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ADVANCES OF NONDESTRUCTIVE TESTING OF COMPOSITE MATERIALS Ge, B., Yang, T., Gao, D. B., Li, M. Fiber Reinforced Plastics/Composites    2009, 205 (6): 67-71.   Abstract （4286）      PDF （873KB）（4887）       Knowledge map    Save Detected composite materials technology plays an important role in the production and application of composite materials. This article describes different methods of the detection of composite materials at home and abroad， including the traditional methods as detection technology of sound， light， electromagnetic waves and new detection techniques that relatively rapid developed in recent years， briefly elaborates the signal processing methods in detect the process of composite materials. Reference | Related Articles | Metrics

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APPLICATION OF RESIN BASED ABSORBING COMPOSITES IN AERONAUTICS  AND ASTRONAUTICS Zhai, Q. X., Huang, Y., Miao, L., Chen, Y. Fiber Reinforced Plastics/Composites    2009, 205 (6): 72-76.   Abstract （3133）      PDF （1150KB）（2938）       Knowledge map    Save The types of resin based absorbing composites were presented， such as carbon/thermoplastic resin based composite， fiber reinforced resin composites， resin based nanocomposite.With the research of material， characterization methods of the absorption properties were presented.Finally the application in aircraft， tactical missiles were discussed. Reference | Related Articles | Metrics

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APPLICATIONS AND DEVELOPMENT OF COMPOSITES IN RAILWAY TRANSPORTATION Jiang, J. H., Chen, J. J. Fiber Reinforced Plastics/Composites    2009, 205 (6): 81-85.   Abstract （3505）      PDF （837KB）（2884）       Knowledge map    Save The paper estimated main properties of composites，introduced the applications and development in railway transportation at home and abroad. Reference | Related Articles | Metrics

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STRUCTURAL ANALYSIS AND LAMINATION OPTIMUM DESIGN OF  WIND TURBINE ROTOR BLADE Li, C. L., C. C. Fiber Reinforced Plastics/Composites    2009, 205 (6): 50-53.   Abstract （3582）      PDF （1063KB）（2668）       Knowledge map    Save Structural analysis of wind turbine blade is an important part in the process of blade design. Structural dynamics and statics analysis are performed for 750kW blade with finite element method in this paper, lamination has been optimum designed on the basis of analysis. Compare with the results of structural analysis before and after optimization, the effectiveness and reliability of structural optimization has been proved, it has some reference value for the largerscale wind turbine blade on structural analysis and lamination optimum design. Reference | Related Articles | Metrics

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THE FATIGUE ANALYSIS OF UAV COMPOSITE WING BASED ON ANSYS/FESAFE Jiang, N. C., Xie, Q. W., Dai, Y., Zhang, Z. Q. Fiber Reinforced Plastics/Composites    2009, 205 (6): 3-4.   Abstract （3920）      PDF （784KB）（2640）       Knowledge map    Save The static strength of UAV composite wing has been computed. Meanwhile， the fatigue life of UAV composite wing has been analyzed based on ANSYS/FESAFE software. The rainflow method and fatigue damage cumulative theory have been applied to the formation of load spectrum. Further more， a new way of computing fatigue life of UAV composite wing has been provided. Reference | Related Articles | Metrics

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EXPERIMENTAL STUDY ON ULTRASONIC EVALUATION OF CARBON/EPOXY 3D BRAIDED COMPOSITES Wang, G. J., Sun.Y, Li, J. L. Fiber Reinforced Plastics/Composites    2009, 205 (6): 39-42.   Abstract （2818）      PDF （929KB）（2486）       Knowledge map    Save Ultrasonic echo Ascan method was used to scan carbon/epoxy 3D braided composites. Defects areas located by using ultrasonic scanning were anatomized microscopically to investigate the relationships between the ultrasonic pulse wave characteristics and micromorphology of defects. Based on the experimental identification method depended on wave analysis method,the ultrasonic attenuation of 3D braided composites was discussed from the point of the distribution of carbon filaments and the interfaces between carbon fiber bundles and resin. The experimental results show that the characteristics of ultrasonic propagation and attenuation in the composites are related to the microstructure and some defects within the 3D braided composites. The characterization of ultrasonic Ascan signal can be used to nondestructive inspection and defects assessment. Reference | Related Articles | Metrics

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VARIATIONS OF MOISTURE ABSORPITION AND MECHANICAL PROPERTIES OF DIFFERENT COMPOSITES WITH IMMERSION TIME IN WATER Lei, W., S. C. Q., X. Y. Fiber Reinforced Plastics/Composites    2009, 205 (6): 19-24.   Abstract （4672）      PDF （1277KB）（2251）       Knowledge map    Save Unsaturated polyester resin(UPR) is used as matrix， glass fiber cloth， ramie fiber cloth and/or basic magnesium sulfated whisker are used as reinforcement to form composites by compression molding process.The variations of moisture absorption and mechanical properties of different composites with immersion time in water at 30℃ and 50℃ respectively were studied. The results show that， the water uptakes of all the composites increase with immersion time in water， the composites absorb water much fast from 0h to 8h， then relaxedly or unchanged.The water uptakes at 50℃ are always more than those at 30℃|the reinforcement of glass fiber cloth on UPR is far better than ramie cloth| hybrid with whisker will decrease the tensile and impact strengths of the composites containing either glass cloth or ramie cloth， but increase their flexural strengths and tensile moduli. With the prolong of immersion time in water， the tensile strengths of the composites reinforced with glass cloth along or glass cloth and whisker together at 30℃ and 50℃ will decrease| the impact strengths of the composites reinforced with ramie cloth reach the maxima of 49.1kJ/m2  and 48.8 kJ/m2 at 30℃ and 50℃ respectively when immersed in water for 16h， accordingly 98.78% and 97.57% increased from those before immersion， and the impact strengths of the composites reinforced with the hybrid of ramie cloth and whisker increase monotonously with time at the two temperatures through the whole water immersion test. Reference | Related Articles | Metrics

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STUDY OF THE CFRP CYLINDER UNDER EXTERNAL HYDROSTATIC PRESSURE XIAO Wen-Gang, WANG Rong, QIAO Ren-Hai Fiber Reinforced Plastics/Composites    2009, 209 (4): 11-13.   Abstract （3423）      PDF （317KB）（2143）       Knowledge map    Save A general design methodology was presented for CFRP cylinder for deep ocean applications under external hydrostatic pressure.  The formula method and FEA  were comparable with the experimental results. Reference | Related Articles | Metrics

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PERMEABILITY OF THICK LAYUP OF GLASSFIBER FABRIC IN VARTM PROCESS  AND PROCESS OPTIMIZATION Gao.Y.T Li.W Luo.Y.K Fiber Reinforced Plastics/Composites    2009, 205 (6): 54-5.   Abstract （3275）      PDF （899KB）（2109）       Knowledge map    Save The permeability of different thick layup of glassfiber fabrics was investigated in VARTM with radial flow method. Flow characteristics in top and bottom layer and in 3D was also analyzed.The process optimization programmes were referred， and the feasibility were testified， which can provide solution for making thick layup components. Reference | Related Articles | Metrics

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INFLUENCE OF INTERFACIAL MODIFICATION ON MECHANICAL PROPERTIES IF FIBER GLASS FEINFORCED POLYPROPYLENE Chen, X. J., Yue, Y. L., Yu, X. J., Zhu, Y. M. Fiber Reinforced Plastics/Composites    2008, 203 (1): 14-16.   Abstract （2297）      PDF （427KB）（2075）       Knowledge map    Save The influence of coupling agents of GF and grafting modification of matrix on the mechanical properties of GF was studied.The interface bonding state was also investigated using SEM.The results show that the silanized GF can not form an effective interfacial adhesion with the unmodified PP,however it can form an effective interfacial adhesion with the maleic-anhydridegrafting modified PP.And the latter can efficiently improve the mechanical properties of composite.Furthermore,the type of coupling agent can also affect the properties of composite to some extent. Related Articles | Metrics

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CHEMORHEOLOGICAL BEHAVIOR AND CURE KINETICS OF  SILICONRYLACETYLENECONTAINING RESIN FOR RESIN TRANSFER MOLDING Q.H.M W.C.L G.J.M Fiber Reinforced Plastics/Composites    2009, 205 (6): 62-65.   Abstract （2769）      PDF （1300KB）（2063）       Knowledge map    Save Siliconarylacetylenecontaining resin (PSAR) is applied in aerospace and electrical industries， which is suitable for resin transfer molding with hightemperature resistant， excellent dielectric constant， hightemperature mechanical property and processability. The cure kinetics of PSAR resin was analyzed by using dynamic differential scanning calorimetry(DSC)， and it was found that the cure of PSAR resin followed an nthorder reaction mechanism. The reaction order was nearly two with activation energy of 110kJ·mol1. The chemorheological behavior of PSA R resin was studied with parallel plate viscosity spectrometer. A rheological mode based on the dual Arrhenius equation was estabilished and used to simulate the rheological behavior of PSAR resin. The model prediction determined from the dualArrhenius equation was in good agreement with experimental data. Reference | Related Articles | Metrics

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THE ROLE OF TEMPERATURE ON IMPACT PROPERTIES OF  KEVLAR/FIBERGLASS COMPOSITE LAMINATES Liu, H. Y., Liu, D. Q. Fiber Reinforced Plastics/Composites    2009, 205 (6): 25-27.   Abstract （3471）      PDF （619KB）（2036）       Knowledge map    Save This paper demonstrated results of an experimental study on Kevlar/fiberglass composite laminate subjected to impact loading at variable temperaturesThe effect of temperature on maximum energy， elastic energy， maximum deflection after impact was studied at several low velocity impact energy levels(8J， 15J and 25J) The  temperatures considered were in the range of -50℃ to 120℃ Results indicated that impact performance of these composites was affected over the range of temperature considered. Reference | Related Articles | Metrics

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STUDY ON THE PREPARATION AND MECHANICAL PROPERTIES OF  CARBON FIBER REINFORCED CEMENT COMPOSITES Zheng, Z. Q., Yu, Y., Yan, X. Fiber Reinforced Plastics/Composites    2009, 205 (6): 31-34.   Abstract （3528）      PDF （785KB）（1985）       Knowledge map    Save Sodium Carbonxymethyl Cellulose (CMC) and Fine Silicon Fumes (SF) were used as composite dispersants of PAN based carbon fiber for fabricating carbon fiber reinforced cement composites (CFRCC) in this paper. The effect of the mixture ratio of composite dispersant on the mechanical properties of CFRCC and the relationship between mechanical properties and the content of carbon fiber as well as water cement ratio were studied. The results showed that it was a good way for the dispersion of carbon fiber， it was found that the flexural strength and compressive strength of CFRCC could be improved by 31.22% and 41.25% in 7 days respectively， when the content of carbon fiber in cement was 1%， CMC and fine silicon fumes were 0.05% and 15%， the watercement ratio was 0.3 to 0.32. Reference | Related Articles | Metrics

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RESEARCH ON RESIDUAL STRESS OF SEAL EDGE IN VACUUM PLATE GLAZING Wang, M. Y., Zhang, R. H., Zhang, J. F., Miao, H. Fiber Reinforced Plastics/Composites    2009, 205 (6): 58-61.   Abstract （3132）      PDF （892KB）（1985）       Knowledge map    Save Based on vacuum flat glass by a laboratory sample preparation， the residual stress field of seal edge of vacuum flat glass was researched by the electric measuring， it successfully tested the distribution of residual stress field of seal edge. Residual stress field of seal edge of vacuum flat glass was analyzed by numerical analysis method. By this method， the law of the stress distribution was obtained. The theoretical calculation results were basically consistent with the experimental results. It was explored that the linear expansion coefficient of seal edge having an influence on the residual stress of vacuum glass， and analyzed the stress coupling of seal edge having an influence on the residual stress of vacuum glass too. Using the residual stress as the basic parameters of assessing the failure of vacuum glass， to reveal the relationship between the residual stress intensity and elasticity modulus， and create the new failure calculation method based on the residual stress of vacuum flat glass. The contents of above mentioned study provided a theoretical basis for the allowable analysis of the seal edge residual stress of vacuum glass. Reference | Related Articles | Metrics

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POLYURETHANE/CARBON NANOTUBE COMPOSITES PREPARED BY SOLUTION  MIXING AND THEIR PROPERTIES Wang, J. R., Xie, H. Q. Fiber Reinforced Plastics/Composites    2009, 205 (6): 35-38.   Abstract （3452）      PDF （1076KB）（1976）       Knowledge map    Save Carbon nanotubes were treated with acid， and their structures and dispersion stability were further investigated. Polyurethane/carbon nanotube composites were prepared by solution mixing and their structures were characterized by FTIR. The mechanical properties， elastic recovery behavior and thermal stabilization of the composites were analyzed. It indicated that the carboxylic acid groups were added onto the carbon nanotubes and the dispersion stability of CNTs in DMAc was improved. The CNTs were hydrogen bonded onto the polyurethane matrix. Consequently， the mechanical and thermal properties of the composites were both enhanced， while the elastic recovery behavior was little affected. Reference | Related Articles | Metrics

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ZHANG Na, TAO Shu-Yan, MA Ju, ZHANG Heng Fiber Reinforced Plastics/Composites    2009, 209 (4): 24-26.   Abstract （3199）      PDF （418KB）（1975）       Knowledge map    Save Related Articles | Metrics

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MECHANICAL PROPERTIES AND MANUFACTURING PROCESS OF LATTICE REINFORCED SANDWICH COMPOSITES FANG Hai, LIU Wei-Qiang, WAN Li Fiber Reinforced Plastics/Composites    2009, 209 (4): 67-69.   Abstract （3044）      PDF （441KB）（1950）       Knowledge map    Save The vacuum infusion molding process (VIMP) is becoming popular as a new type for largescale/unusual composites. Selecting H60 PVC foam, fouraxis Eglass nonwoven fabric and vinyl resin, a type of innovative reinforced sandwich composite as lattice reinforced sandwich (LRS) are fabricated by VIMP. The fabrication results show that VIMP is a highspeed and costeffective manufacturing method because of the resin flow channel provided by the acuminate grooves in both sides of foam core. The lattice in LRS along core’s height assure an even flow on both sides of core that can complete the filling process in a short time. The shear, flatwise compression and flexural behavier of LRS are enhanced compared with the traditional sandwich. The flexural ultimate bearing capacity of LRS are studied which can be used as reference to engineering practice. Reference | Related Articles | Metrics

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191# UNSATURATED POLYESTER/GFRP ARTIFICIAL ACCELERATED AGING RESEARCH WANG Yun-Yang, ZHAO Qing, MENG Jiang-Yan, ZHU Chun-Ya Fiber Reinforced Plastics/Composites    2009, 209 (5): 53-56.   Abstract （2872）      PDF （1145KB）（1923）       Knowledge map    Save The aging behavior of 191# unsaturated polyester resin and its GFRP have been studied by artificial thermooxidation aging and artificial xenon arc lamp aging. The morphology and glossiness of specimens were investigated by microscope and glossmeter respectively. The yellowness index (YI) was tested by differential colorimeter. The unsaturated polyester resin was analysed by FTIR and DMA. The tensile strength and bend strength of the specimens were measured. With aging evolving, the appearance of the specimens changed more and more yellow, its glossiness reduced, and appeared some crack on the sample’s surface. These changes were related to the aging mode. The DMA showed that after xenon arc lamp aged 90d, Tg of the resin was from 84℃ to 88℃, and to 83℃after aged 240d, and its storage energy decreased gradually. Mechanical strength of the specimens increased at first then decreased. The aging of the resin and its composites were more susceptible to xenon arc lamp than thermooxidation. Reference | Related Articles | Metrics

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TENSION STRENGTH AND SHEAR STRESS DISTRIBUTION OF GFRP STRENGTHENING CONCRETE BEAM Ge, X. X., Zhang, D. H., Wang, L. M. Fiber Reinforced Plastics/Composites    2009, 205 (6): 5-11.   Abstract （3254）      PDF （1817KB）（1913）       Knowledge map    Save To investigate the tension strength of glass fiber， axial tension experiments were carried out for five specimens with or without impregnating compounds. The experiments indicated that the epoxy resin could not only stick and protect glass fiber plates， but also increase its tensile strength. To deeply understand mechanical behavior of GFRP strengthening concrete structure ， nine specimens were tested by beams′ fourpoint bending experiments. One of the specimens was stick with strain gauges for tracking the failure process. Then， the damage process curves of the experiments and strain values were obtained. Comparison with two kinds of experiments， axial tension strength of glass fiber plates was greater than the strength of fourpoint bending test. Through the test data of concrete beam with GFRP and mechanics model analysis， the axis force and shear stress distribution of GFRP were analyzed respectively. Reference | Related Articles | Metrics

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CURRENT DEVELOPMENT OF COMPOSITE WIND TURBINE BLADES AND PROPOSALS TO SEVERAL PROBLEMS Dai, C. H., Liu, J., Ceng, J. C., Bian, L. P. Fiber Reinforced Plastics/Composites    2008, 203 (1): 53-56.   Abstract （2004）      PDF （610KB）（1896）       Knowledge map    Save The application and production of composites in wind turbine blades were presented in this paper,as well as the structure,material system,manufacturing craft and development trend of wind blades.Proposals or solution ideas were also given to some problems in producing large composite wind turbine blades.It is indicated that large-composite-combined mold with heating equipment,improved VIP craft and recyclable thermoplastic blades would possibly be greatly researched and developed in the following years since the wind turbine blades were becoming larger and larger. Related Articles | Metrics

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THE USING OF MALEK AND FLYNNWALLOZAWA EQUATION IN CURING REACTION OF TDE85/MENA EPOXY RESIN SYSTEM Guo, J. J., Sun, J. L., Ren, M. S., Bai, R. C. Fiber Reinforced Plastics/Composites    2009, 205 (6): 12-15.   Abstract （3059）      PDF （767KB）（1884）       Knowledge map    Save The kinetics of the cure reaction for a system of TDE85/MeNA epoxy resin was monitored by the differential scanning calorimetry(DSC) and investigated by the constant heating methods. According to the DSC graphs， the Tβ graph extrapolation was used to get the characteristic curing process temperatures， and to confirm the technical parameters of the molding process of the resin system. The kinetic parameters of the curing reaction of TDE85/MeNA epoxy resin such as the overall activation energy Ea， the frequency factor A and the reaction equation were obtained， the results were that : E=67.05kJ/mol， A=5.05×109s1.The curing reaction was calculated accurately by using the correct kinetic model，and was set up by using Malek and FlynnWallOzawa equation. The result of comparing the heating flow graph from the kinetic model and the examination was in harmony ， it illuminated that the kinetic model could be used to depict the curing reaction of the TDE 85/MeNA epoxy system. Reference | Related Articles | Metrics

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STUDIES ON THE LONGTERM MECHANICAL PROPERTIES OF FRP TENDONS Zhan, J. D., Du, X. L., Wang, Z. H. Fiber Reinforced Plastics/Composites    2009, 205 (6): 77-80.   Abstract （3129）      PDF （612KB）（1880）       Knowledge map    Save Because of excellent corrosive resistance， FRP has been taken as an attractive alternative reinforcing material for steel to the corrosion problem. At the same time， FRP provides a high strength， good fatigue properties， low relaxation and creep rates， etc. Based on extensive reading of references at home and abroad， this paper describes the newest research work on the long term mechanical properties of FRP tendons. Reference | Related Articles | Metrics

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FORCED RESPONSE ANALYSIS OF COMPOSITE MATERIAL BARREL Xu, E. D., Q. L. F., C. L. M. Fiber Reinforced Plastics/Composites    2009, 205 (6): 16-18.   Abstract （2883）      PDF （1079KB）（1870）       Knowledge map    Save In order to evaluate the dynamic property of composite material barrel， the forced response analysis is conducted by using mode superposition method on the basis of modal analysis and damping analysis. The muzzle vibration status of the composite material barrel is obtained and compared with which of the steel barrel. The results show that the response amplitude and frequency of composite material barrel is less than the response of steel barrel. The dynamic property of the composite material barrel is much more excellent. Reference | Related Articles | Metrics

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STUDY ON THE PREPARATION AND PROPERTIES OF HEMP/POLYETHYLENE COMPOSITES Zhuang.X.M Zhang.H.P Yan.X Fiber Reinforced Plastics/Composites    2009, 205 (6): 43-44.   Abstract （3143）      PDF （949KB）（1841）       Knowledge map    Save Hemp fabric reinforced polyethylene composites were prepared in this paper. The effects of processing parameters on the tensile and impact properties were investigated. The influence of hemp fibre content on the properties of the composites was discussed. The fracture surface morphology was investigated by using scanning election microscopy. The results showed that optimum processing conditions of the composites were obtained. Reference | Related Articles | Metrics

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Zhou, L. L., Li, W., Luo, Y. K. Fiber Reinforced Plastics/Composites    2009, 205 (6): 28-30.   Abstract （2725）      PDF （810KB）（1837）       Knowledge map    Save Reference | Related Articles | Metrics

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RESEARCH ON MODIFIED CYANATE ESTER RESIN SYSTEM FOR FILAMENT WINDING Tian.J ZHang. S.P Fiber Reinforced Plastics/Composites    2009, 205 (6): 45-47.   Abstract （2697）      PDF （523KB）（1822）       Knowledge map    Save  Cyanate ester(CE) resin was modified with epoxy resin in this paper and a modified cyanate ester resin system for wet winding was developed. The curing properties of this system were studied in the gel test and DSC test. The trend of the modified CE resin viscosity changing with temperature and time was got， so that some parameters such as process temperature， winding speed， and the working life of modified CE system were determined. Meanwhile， the thermal， dielectric， mechanical properties and the interfacial performances of the modified CE matrix with glass fibers or carbon fibers were also studied. Reference | Related Articles | Metrics

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STUDY SITUATION OF THE UNDERWATER SOUND-ABSORBING MATERIALS Feng, C. M., Guo, W., Xu, W. Fiber Reinforced Plastics/Composites    2007, 196 (6): 53-58.   Abstract （1166）      PDF （2014KB）（1820）       Knowledge map    Save Acoustic sound absorption materials are commonly used in the underwater navigation surfaces.The underwater acoustic stealth design is of great significance in the military applications and gets extensive attention.Polymeric materials like rubber and polyurethane have been extensively applied because of their unique molecular structures.The structural design of sound-absorbing material also has great affection on their performances.In this paper,the main systems and sound absorption material structures were reviewed on the basis of the acoustic absorption mechanisms. Related Articles | Metrics

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STUDY ON GEL TIME CONTROL TECHNOLOGY OF VINYL ESTER RESIN Tang, Z. H., Lv, X., Guan, L. L. Fiber Reinforced Plastics/Composites    2010, 210 (1): 32-35.   Abstract （1494）      PDF （563KB）（1768）       Knowledge map    Save In this paper, based on vinyl ester resin curing reaction for free radical polymerization characteristics，it took proper polymerization inhibitor or other additives with the polymerization inhibition action,which extended room temperature gel time of vinyl ester resin and controlled in a relatively wide range. The operable time of vinyl ester resin was greatly extended, which facilitated its wide application. Reference | Related Articles | Metrics

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OVERVIEW OF THE DEVELOPMENT FOR FIBER REINFORCE COMPOSITE  WIND TURBINE BLADE GAO Hui-Huan Fiber Reinforced Plastics/Composites    2009, 209 (4): 104-108.   Abstract （2942）      PDF （813KB）（1758）       Knowledge map    Save The current development of the wind powergeneration and the fiber reinforce composite wind turbine blade at home and aboard is briefly introduced, then the blade material, structural and aerodynamics design, and molding of the technology are also elaborated. Finally  the development of turbine blade is described. Reference | Related Articles | Metrics

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THE DESIGN OF POLYMER COMPOSITE MOLDING WITH PRESSURE Bi, X. J., Li.Z.H., Tang, Z. H., Li, W. Fiber Reinforced Plastics/Composites    2010, 210 (1): 86-88.   Abstract （2164）      PDF （503KB）（1755）       Knowledge map    Save This article introduces the advantages of some traditional composite moldings after adding pressure. Related Articles | Metrics

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DEVELOPMENT STATUS AND TREND OF LARGE-SCALE WIND TURBINE ROTOR BLADE Li, J. X., Xue, Z. M., Wang, J. H., Feng, B. C. Fiber Reinforced Plastics/Composites    2008, 203 (1): 48-52.   Abstract （1935）      PDF （712KB）（1743）       Knowledge map    Save This paper presents the technology of shape design,structure design and materials of the current wind turbine blades and analyses performed on the development trend of airfoil,structure design,material and new design concepts of blades. Related Articles | Metrics

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PROGRESS OF STUDIES ON DURABILITY OF FIBER REINFORCED POLYMER Fiber Reinforced Plastics/Composites    2009, 209 (2): 78-81.   Abstract （1797）      PDF （666KB）（1742）       Knowledge map    Save Fiber reinforced polymer（FRP) has a widely application in civil engineering used as reinforced material.Based on the relative research results in domestic and overseas,the durability of FRP under multifarious environmental conditions,such as temperature,humidity,drywet circle,chemical corrosion and natural aging,is summarized in this paper.In addition,some urgent study aspects on durability of FRP are presented which can provide the direction for further research. Reference | Related Articles | Metrics

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EXPERIMENT STUDY ON TENSILE FAILURE MECHANISMS OF BONDING INTERFACE FOR GFRP/STEEL COMPOUND STRUCTURE ZHANG Ying-Jun, MEI Zhi-Yuan, ZHU Xi Fiber Reinforced Plastics/Composites    2009, 209 (3): 45-48.   Abstract （2056）      PDF （489KB）（1718）       Knowledge map    Save The strength of tensile failure mechanisms of interface for GFRP/steel compounded structures was studied. The adhesive and epoxy was modified by different additive, and the structure specimen were made by different technics. According to experimental results, the strength of structure’s tensile failure was found and three kinds of typical tensile failure modes were built up, then the failure mechanism was analyzed. Reference | Related Articles | Metrics

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COMPOSITES AND WIND TURBINE BLADES Chen, S. J., Shen, Z. H., Xu, H. S. Fiber Reinforced Plastics/Composites    2008, 198 (2): 42-46.   Abstract （2081）      PDF （729KB）（1718）       Knowledge map    Save Introduces the research trend and development of wind turbine blades,presents the design,materials,manufacturing,analysis and testing technologies for composite blades.Gives the situation and potential use of carbon fiber and new technologies about blades.Puts forward the suggestions on developing technologies of blades in China. Related Articles | Metrics

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COMPOSITE PROCESSING DECISION RULES MINING METHOD BASED ON KNOWLEDGE DEPENDENCE WANG Gong-Dong, BANG Gao-Liang, CHEN Pan-Hai Fiber Reinforced Plastics/Composites    2009, 209 (3): 3-5.   Abstract （1831）      PDF （435KB）（1705）       Knowledge map    Save In order to make composite process decision knowledge mine automatically，based on analyzing decision knowledge of the resin composite process，a composite process data mining model is established based on rough set.A composite decision mining method based on knowledge dependence is presented，which uses knowledge dependence algorithm to preprocess and reduce the process data，the process decision tree is established at the same time.The efficiency of decision tree generation can be improved by using the method.At last，an example is illustrated to verify the validity of the method，and the composite process decision rules may obtained automatically. Reference | Related Articles | Metrics

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FAILURE ANALYSIS ON SILICON SANDWICHED OF FIBER REINFORCED PLASTIC PIPE MA Xiao-Meng, DU Juan, LIAO Shi-Xin Fiber Reinforced Plastics/Composites    2009, 209 (5): 61-64.   Abstract （1834）      PDF （1219KB）（1697）       Knowledge map    Save According to a bursting accident of silicon sandwiched FRP pipe in petrochemical process water system, this paper analyzes failure mechanism of FRP pipe based on the mechanical property test, macroscopic and microscopic observation. The countermeasures for selection and operation are put forward. Reference | Related Articles | Metrics

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STUDY ON HIGH-TEMPERATURE RESISTANCE OF SILICONE RESIN/SILICA FIBERS COMPOSITES IN ANTENNA MASK ZHANG Xiao-Jie, ZHANG Jun-Ying, XIAO Zhi-Gang, HAN Yan-Ming Fiber Reinforced Plastics/Composites    2008, 198 (6): 24-27.   Abstract （1527）      PDF （547KB）（1692）       Knowledge map    Save The tensile property,high-temperature resistance and dielectric property of silicone resin/silica fiber composites were studied.Results showed that pretreatment methods of fiber had important influence on the tensile property of fiber and composites.Agent on the surface of fiber could be removed completely by way of dipping in tol- uene and then heating at 350℃for 400 seconds,meanwhile keeping an acceptable tensile strength of silica fiber. The composites could keep excellent mechanical and dielectric properties after high temperature heat treatment.The tensile strength of the composites was over 360MPa and the dielectric constant was below 3.30,which met the re- quirements of antenna mask. Related Articles | Metrics

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CONSTITUTIVE EQUATION OF THERMOPLASTIC COMPOSITES AND ITS APPLICATIO Wang, C. M. Fiber Reinforced Plastics/Composites    2008, 198 (2): 3-6.   Abstract （1310）      PDF （414KB）（1670）       Knowledge map    Save Many new type of composites come forth continuously recently,such as thermosetting composites and thermoplastic composites.These materials are widely used in aviation,spaceflight and architecture.As a result,the research of mechanical properties has attracted much attention at home and abroad.In this paper,elasticity theory has been employed,according to condition of incompressibility in fluid mechanics,analyzed mechanical properties for the thermoplastic composites.Constitutive relationships of anisotropic viscous materials,transversely isotropic materials were obtained.Viscosity parameters η11,η12,η22,η23 were determined by the micromechanics analysis.According to the research of laminates deformation,the constitutive equation and viscosity parameters′ijare obtained.Then these results are discussed. Related Articles | Metrics

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STATEOFTHEART ON SHEAR BEHAVIORS OF CONCRETE BEAMS  WITH FRP TENDONS Wang, Z. H., Du, X. L., Zhan, J. D., Deng, Z. C. Fiber Reinforced Plastics/Composites    2010, 210 (1): 82-85.   Abstract （2202）      PDF （646KB）（1663）       Knowledge map    Save Compare with ordinary steel rebars, FRP tendons have the characteristics of high tensile strength, noncorrosive, light weight and low elastics modulus, etc, which have been taken as an attractive alternative reinforcing material for steel to the corrosion problem However, FRP’s transverse strength is very low, studies on shear behaviors of concrete structures with FRP tendons have been emphasized in engineering structure field This paper briefly introduces the main progresses in the studies on shear behaviors from nonprestressed and prestressed concrete beams with FRP tendons Finally, advices for advanced research are proposed Related Articles | Metrics

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THE STUDY ON RHEOLOGY BEHAVIORS OF BENZOCYCLOBUTENETERMINATED IMIDE ZHANG Yang-Jiang, XU Yao-Min, ZHENG Kang-Sheng Fiber Reinforced Plastics/Composites    2009, 209 (4): 49-52.   Abstract （2666）      PDF （471KB）（1652）       Knowledge map    Save The chemorheology behaviors of curing reaction of benzocyclobuteneterminated imide were studied with rheometer.The curing process was investigated by dynamic heating and isothermal methods,and three curing stages were found.Apparent physical activation energy of flow calculated by Arrhenius equation was 195.9kJ/mol.Apparent chemical activation energy of flow and apparent curing reaction activation energy were calculated by Roller equation, respectively.The results show that the viscosity characteristic of resin follows the Roller equation very well, and viscosity characteristic of resin can be predicted by the Roller equation in the whole curing process. Related Articles | Metrics