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《Ordnance Material Science and Engineering》 2008-03
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Unnotched izod impact of short glass fibre reinforced PA6

XIONG Yu-zhu1,2,3,WANG Chao-xian4,LIU Ying4,YU Jie2,TU Ming-jing1 (1. Department of Materials Science and Engineering,Sichuan University,Chengdu 610065,China;2. Department of Materials Science and Metallurgy Engineering, Guizhou University,Guiyang 550003,China;3. National Engineering Research Center for Compounding and Modification of Polymeric Materials,Guiyang 550014,China;4. Beijing Yanshan Petrochemical Research Institute,Beijing 105200,China)  
The impact fracture behavior of short glass fibre reinforced Nylon 6 (SGF-Nylon 6) was studied using an instrumented izod impact approach. The failure mechanism of SGF-Nylon 6 was investigated by analyzing force-time curves and fracture section morphology.The section of specimen is divided into tensile responding area, neutral layer and compressive responding area along the impact direction. In unnotched izod impact test of SGF-Nylon 6, because the plastic deformation of matrix is constrained significantly by fibres, the energy consumed by the debonding of interface and the pulling-out of fibre dominates the impact fracture energy. The distribution quantity of fibre in sample dominates the izod unnotched impact fracture energy of SGF-Nylon 6. The crack origin has a distance from the outer surface because of the stress relax in outer layer by plastic deformation. The plastic deformation in outer layer shows that the surface of some pulling-out glass fibres adhere to much matrix and the wall of left holes are rough in outer layer.
【Fund】: 贵州省自然科学基金项目(2002)3079
【CateGory Index】: TQ327.1
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【References】
Chinese Journal Full-text Database 1 Hits
1 Xiong Yuzhu1,2,3,Tian Yaozhu2,Tu Mingjing1 (1.School of Materials Science and Engineering,Sichuan University,Chengdu 610065,China; 2.School of Materials Science and Metallurgy Engineering,Guizhou University,Guiyang 550003,China; 3.Key Laboratory for Material Strength and Structure of Guizhou Province,Guiyang 550003,China);NOTCHED TENSILE PROPERTY OF SHORT GLASS FIBER REINFORCED PA6[J];Engineering Plastics Application;2009-05
【Co-references】
Chinese Journal Full-text Database 1 Hits
1 ZHANG Kai-zhou1,2,YU Jie1,LUO Zhu1HE Ming1,TAN Hong1,ZHANG Tian-shui1,2(1.Guizhou Materials Technology Innovation Base,Guiyang 550014,China;2.College of Materials Science and Metallurgy Engineering,Guizhou University,Guiyang 550003,China);Study on the Fracture of Glass Fiber Reinforced Polyamide 6[J];Polymer Materials Science & Engineering;2007-02
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