COMPOSITES SCIENCE AND ENGINEERING

RISE AND DEVELOPMENT OF FIBER REINFORCED PLASTICS/COMPOSITE TECHNOLOGY IN CHINA

HE Yu-sheng

2014, 0(9): 5-8.

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The first fiber reinforced plastics product birthed in 1958 by the research term of seven. Guide by defense industry, the technology developed greatly by self reliance, hard struggle and solidarity cooperation.

DEVELOPMENT OF THE COMPOSITES PULTRUSION PROCESSES & APPLICATIONS IN CHINA

CHEN Bo

2014, 0(9): 34-41.

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This article analyzed Chinese developments of composites pultrusion processes, their technology developments, and current applications in markets. While the main achievements are demonstrated,their shortcomings and drew-backs are also pointed out. Finally, some constructive suggestions are proposed for the future developments.

DIFFERENT CHARACTER AND DESIGN PROCESS OF COMPOSITE MATERIALS

ZHANG Ru-guang

2014, 0(9): 71-75.

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Composite materials have a different character compare with conventional materials and essentially should be consider as structures. A design process, most efficiently using such materials, is a process which capable of producing highly integrated structures. In which, one of the most impotent elements is the design of the fiber reinforcement micro-structure based on the understanding of micro-mechanics of composite materials.

FOUR KEY TECHNOLOGIES OF STRUCTURAL COMPOSITES FOR AIRCRAFT APPLICATIONS AND ITS DEVELOPMENT

WANG Shao-kai, MA Xu-qiang, LI Min, GU Yi-zhuo, ZHANG Zuo-guang

2014, 0(9): 76-84.

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Advanced composite material has been widely used in the aviation and aerospace fields due to its advantages of lightweight, superior mechanical performance and outstanding designability. This paper reviewed the development history of composite materials in the application of aircraft structures. The progress and development trend of four key technologies of advanced composites were discussed, including structural design, raw materials, manufacturing processes, and performance evaluation. In addition, as the new generation materials, carbon nanotube (CNT) reinforced nanocomposite and its potential application in aircrafts, especially CNT assemblies with high CNT content were introduced.

METHODS AND TECHNIQUES TO ACHIEVE LIGHT-WEIGHT DESIGN OF COMPOSITE STRUCTURES

JIANG Da-zhi, JU Su, ZHANG Jian-wei, XIAO Jia-yu

2014, 0(9): 85-98.

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The main methods and techniques to achieve light-weight design of structures by using fiber-reinforced polymer composites (FRP) are analyzed and summarized in this paper. Main methods to achieve light-weight design of structures have been pointed out. The first is to develop new FRP with higher mechanical priperties, that is, to further improve the specific strength and modulus of the FRP to achieve further weight save. The second is optimized design for the configuration of the bearing structures, that is, to achieve further weight save by the optimized scheming of the carrying capacity and stress transferring paths of FRP. The third is the integral manufacturing of composite structures with complex configurations, that is, to achieve further weight save by abandoning the extra joint components. Technical approaches to achieve the above three methods of light-weight design are also discussed.

DEVELOPMENT AND APPLICATION OF COMPOSITE IN CIVIL ENGINEERING

FENG Peng

2014, 0(9): 99-104.

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Fiber reinforced polymer (FRP) materials are a relatively new material in civil and structural engineering, but due to their unique physical, chemical, and mechanical characteristics, they have gradually become an important part of the civil engineering materials toolkit. This paper surveys the use of FRP in structural reinforcement, cable elements, and prestressed concrete reinforcement, and discusses the development of FRP both in composite and pure-FRP structural applications. Furthermore, it highlights the development and present state of the various codes pertaining to the use of FRP in structural engineering in China with an eye towards encouraging better understanding and increased use of the material.

DEVELOPMENT AND APPLICATION OF LCM COMPOSITE MOLDING TECHNOLOGY

GAO Guo-qiang

2014, 0(9): 105-108.

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Composite LCM process after years of development, formed RTM, RIM, continuous fiber reinforced thermoplastic prepreg vacuum bag molding method and so on a variety of molding processes. Due to the different characteristics of these processes, the development of the technical content is different, RTM molding process is developing towards the direction of the high-speed , RIM toward larger and more complex structural components molding as a whole, rapid filling flow and automatic laying is the main direction of technology, continuous fiber reinforced thermoplastic prepreg vacuum bagging process need to develop more varieties materials to expand the application fields.

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