轻量化材料新型连接工艺与应用现状

New Connection Technology and Application Status of Lightweight Materials

随着全球汽车产业低碳化转型,与车身轻量化相关的连接技术挑战不断增加,综合考虑轻量化的成本与效果,合理选用车身材料,搭配不同连接工艺,在满足行业质量标准降低产品重量的前提下为产品设计提供更多思路,已经成为轻量化技术发展的必然趋势。合理运用各类轻量化材料,可以有效减轻车身重量、提高车身性能,对不同的车身轻量化材料的若干新型连接工艺的研究进展进行系统归纳,从冶金连接技术、机械连接技术、粘接技术及复合连接技术四个方面进行综述分析,阐述近年来各种新型工艺及其延伸工艺的研究进展,重点分析各类工艺的技术原理、连接强度准则、工艺优势、局限性及应用现状,以期为汽车轻量化材料新型连接工艺的设计与制造提供有益借鉴,为车身轻量化连接工艺保驾护航。

With the low-carbon transformation of global industrial automobiles,the challenges faced by related connection technologies in the process of body lightweight are increasing.Considering the cost and effect of lightweight,selecting body materials reasonably,matching different connection processes,and providing more ideas for product design stage under the premise of meeting industry quality standards and reducing product weight have become an inevitable trend of lightweight technology development.The rational use of various lightweight materials can effectively reduce the weight of the body and improve the performance of the body.The research progress of several new connection processes for different lightweight materials of the body is systematically summarized.The metallurgical connection technology,mechanical connection technology,bonding technology and composite connection technology are reviewed and analyzed.The research progress of various new processes and their extended processes in recent years is described.The technical principles,connection strength criteria,process advantages,limitations and application status of various processes are analyzed in order to provide useful reference for the design and manufacture of new connection processes for automotive lightweight materials.Protect the body lightweight connection process.