CA141载重车发动机缸体灰铸铁激光处理工艺参数优化及组织分析  

Parameter Optimizing and Microstructure Analysis of Laser Treated Gray Cast Iron for CA141 Engine Body

作　　者：王红颖[1] 姚远[1] 胡建东[1] 郭作兴[1] 刘臻杰[1] 

机构地区：[1]吉林大学材料科学与工程学院教育部汽车材料重点实验室,吉林长春130025

出　　处：《热加工工艺》2004年第5期39-40,43,共3页Hot Working Technology

摘　　要：用CO2激光器对用于CA141发动机缸体的灰铸铁材料表面进行激光处理,研究了激光功率和扫描速度等工艺参数对硬化层硬度和表面粗糙度的影响,从而优化了工艺参数,并对激光处理区的显微组织进行了观察分析。Grey cast iron of engine body of CA141 truck was treated by CO_2 laser.Parameters of laser surface hardening such as laser power and scanning rate on hardness and roughness of hardening surface were optimized, and microstructure of laser treated region was analyzed.

关 键 词：灰铸铁 激光硬化 显微组织 

分 类 号：TG156.99[金属学及工艺—热处理] TG143.2[金属学及工艺—金属学]