THE STUDY OF EFFECTS OF STACKING STRUCTURE ON THE INTERLAMINAR SHEAR STRENGTH OF COMPOSITES

Fiber Reinforced Plastics/Composites ›› 2016, Vol. 0 ›› Issue (9): 44-48.

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THE STUDY OF EFFECTS OF STACKING STRUCTURE ON THE INTERLAMINAR SHEAR STRENGTH OF COMPOSITES

ZHOU Lei¹, LI Da-sheng², HOU Rui-gang^1*

1.College of Material Science and Engineering, East China University of Science and Technology, Shanghai 200237,China;
2.East China Electric Power Design Institute, Shanghai 200237, China

Received:2016-04-08 Online:2016-09-28 Published:2016-09-28

Abstract

Abstract: An investigation was conducted to study the effects of stacking sequence and unidirectional glass fiber relative volume fraction on the interlaminar shear strengths (ILSS) of laminated composites. The six laminated composites with different stacking sequence follow as: (UF)₅, (UF, CSM, UF, CSM, UF), (CSM, UF, CSM, UF, CSM), (UF, CSM, CSM, CSM, UF), (CSM, UF, UF, CSM, CSM), (CSM)₅, and they were 100%, 60%, 40%, 40%, 40%, 0%, respectively. Experimental results indicated that the unidirectional glass fiber relative volume fraction has a huge effect on ILSS, and the ILSS of (UF)₅ reaches 40.768 MPa and the ILSS of (CSM)₅ only reaches 15.867 MPa. On the contrary, the stacking sequence has little influence on ILSS. Meanwhile, the failure modes were studied with a newly mathematical statistics method-"The Rank-Sum Test", which found that even the ILSS present a larger scatter because of different failure modes in the same type stacking sequence, the sample values can still be analyzed as a entirety.

Key words: double-notch shear test, polymer-matrix composites, ILSS, rank-sum test

CLC Number:

TB332

ZHOU Lei, LI Da-sheng, HOU Rui-gang. THE STUDY OF EFFECTS OF STACKING STRUCTURE ON THE INTERLAMINAR SHEAR STRENGTH OF COMPOSITES[J]. Fiber Reinforced Plastics/Composites, 2016, 0(9): 44-48.

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THE STUDY OF EFFECTS OF STACKING STRUCTURE ON THE INTERLAMINAR SHEAR STRENGTH OF COMPOSITES

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