汽车制动鼓的成型工艺与失效分析研究现状及进展  

Research Status and Progress of Forming Technology and Failure Analysis of Automobile Brake Drum

作　　者：雷宇 张忠明[1] 王嘉河 胡博[2] 徐春杰[1] LEI Yu;ZHANG Zhongming;WANG Jiahe;HU Bo;XU Chunjie(School of Materials Science and Engineering,Xi’an University of Technology,Xi’an 710048,China;CSIC No.12 Research Institute,Xingping 713102,China)

机构地区：[1]西安理工大学材料科学与工程学院,陕西西安710048 [2]中国船舶重工集团公司第十二研究所,陕西兴平713102

出　　处：《铸造技术》2021年第4期320-323,共4页Foundry Technology

基　　金：陕西省大学生创新创业训练计划项目(S202010700098);西安理工大学研究生教育教学改革研究项目(20200901)。

摘　　要：制动鼓是商用车的关键部件,对于车辆的安全行驶有着至关重要的作用。制动鼓的健全性、致密度及显微组织均匀性均影响制动效果。主要从制动鼓材质、成型方式、铸造方法及铸造工艺等方面总结了制动鼓的发展现状;分析了制动鼓的失效形式及失效原因,并介绍了在制动鼓的疲劳寿命预测方面的研究进展。Brake drum is a key component of commercial vehicle,which plays a vital role in the safe running of the vehicle.The soundness,density and microstructure uniformity of the brake drum all affect the braking effect.The development status of brake drum was summarized from the aspects of brake drum material,molding way,casting method and casting technology.The failure modes and reasons of brake drums were analyzed,and the research progress in fatigue life prediction of brake drums was reviewed.

关 键 词：制动鼓 铸造工艺 失效 疲劳寿命预测 

分 类 号：TG250[金属学及工艺—铸造]