碳纤维复合材料汽车保险杠横梁碰撞的力学性能研究  

Mechanical properties study of the collision of carbon fiber composite car bumpers

作　　者：张瑞[1] 施伟辰[1] Zhang Rui;Shi Weichen(Shanghai maritime university, Shanghai 201306)

机构地区：[1]上海海事大学,上海201306

出　　处：《汽车实用技术》2017年第13期74-76,共3页Automobile Applied Technology

摘　　要：汽车工业中节能减排已成为各个汽车制造公司追求的重大目标,而轻量化研究对汽车的节能减排有着极为重要的意义。如今,新材料的应用让汽车轻量化的发展进入一个新的时代。在国外,碳纤维复合材料在汽车保险杠上的应用有着较多的研究。文章讨论一种由碳纤维复合材料制造的一种汽车保险杠在受到冲击时表现出的力学性能,通过UG建立汽车保险杠与摆锤碰撞的模型,用ansys对模型进行前处理,利用IS-DYNA进行求解计算,通过lsprepost分析保险杠横梁在碰撞过程中的时间-位移曲线和应力应变云图,得出碳纤维复合材料汽车保险杠横梁在碰撞时的力学性能,为其优化设计提供依据。Energy conservation and emission reduction in automobile industry has become the major goals of automobilemanufacturing company,and lightweight research of automobile energy conservation and emissions reduction has veryimportant significance.Nowadays,the application of new materials for the development of the automotive lightweightinginto a new era.Abroad,the application of carbon fiber composite materials in the bumper with more research.This paperdiscusses a kind of carbon fiber composite material made of a car bumper showed the mechanical properties during theimpact,through the establishment of bumper and UG pendulum collision model,pretreatment with ansys model,use IS tosolve anti-blasting calculations,by analyzing lsprepost bumper beams in the process of collision time-displacement curveand stress strain contours,carbon fiber composite bumper beams at the collision when the mechanical performance,providethe basis for the optimization design.

关 键 词：碳纤维复合材料 保险杠 碰撞 轻量化 

分 类 号：U465[一般工业技术—材料科学与工程]