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连续玻璃纤维增强聚丙烯层合板非等温拉伸成型质量研究 被引量:1

Study on non-isothermal stretch forming quality of continuous glass-fiber-reinforced polypropylene laminates
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摘要 采用自行设计的模具,对双层玻璃纤维增强聚丙烯(GFRTP)复合材料单向层合板进行了半球形非等温拉伸成型试验,结合显微观察等手段,就复合材料单向层合板预热温度、拉伸速率等对制件厚度分布、成型质量的影响进行了研究。结果表明,提高预热温度可导致制件变薄;提高拉伸速率可改善制件的表面质量,当拉伸速率超过150 mm/min时制件会产生拉裂和脱层的缺陷。 A self-designed mold was used to conduct hemispherical non-isothermal deep drawing tests for the double-layer glass-fiber-reinforced polypropylene composite unidirectional laminates.The effects of preheating temperature and drawing speed of composite unidirectional laminates on the thickness distribution and forming quality of the part were investigated through microscopic observation and other methods.The results indicated that an increase in preheating temperature resulted in the formation of the thinner laminates.The surface quality of the laminates was improved with an increase in drawing speed.The laminates presented cracks and delamination defects with a drawing speed of over 150 mm/min.
作者 刘小锐 赵丰 王秀梅 郭巍 毛华杰 闫宏旭 邓景文 LIU Xiaorui;ZHAO Feng;WANG Xiumei;GUO Wei;MAO Huajie;YAN Hongxu;DENG Jingwen(GAC HONDA Automobile Research&Development Co,Ltd,Guangzhou 510000,China;Wuhan University of Technology,Wuhan 430070,China;Hubei Key Laboratory of Advanced Technology for Automotive Components,Wuhan University of Technology,Wuhan 430070,China;Hubei Collaborative Innovation Center for Automotive Components Technology,Wuhan University of Technology,Wuhan 430070,China;Institute of Advanced Materials and Manufacturing Technology,Wuhan University of Technology,Wuhan 430070,China)
出处 《中国塑料》 CAS CSCD 北大核心 2021年第12期58-62,共5页 China Plastics
关键词 玻璃纤维 聚丙烯 复合材料 层合板 半球形 非等温拉伸成型 拉伸速率 glass fiber polypropylene composite laminate hemisphere non-isothermal deep drawing drawing rate
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