稀土镁球墨铸铁凸轮轴激光热处理的研究与应用  

Research and application of the laser heat treatment for cam-shafts of the rare earth magnesium nodular graphite cast iron

作　　者：刘宏[1] 郭荣新 张金东[3] 

机构地区：[1]山东轻工业学院机电工程系,济南250100 [2]淄博市新材料研究所,山东淄博255040 [3]山东轻工业学院金工实习厂,济南250100

出　　处：《山东轻工业学院学报（自然科学版）》2001年第1期43-46,54,共5页Journal of Shandong Polytechnic University

摘　　要：本文对稀土镁球墨铸铁凸轮轴激光热处理硬化层的组织耐磨性进行了探讨 ,并分析了磨损机理。研究结果表明 :激光处理后的凸轮轴 ,变形小 ,而且具有良好的耐磨性。The paper makes a research into the microstructure and the wear resistance of the hardened layers by laser heat treatment for cam-shafts of the rare earth magnesium nodular graphite cast iron and analyzes the wear mechanism.The research results show that the cam-shafts after laser heat treatment deforms little and have good wear resistance.This is of great significance for the practical application of the laser heat mtreatment for cam-shafts of the rare earth magnesium nodular graphite cast iron.

关 键 词：稀土镁球墨铸铁 凸轮轴 激光热处理 耐磨性 

分 类 号：TG156.99[金属学及工艺—热处理] TG164.2[金属学及工艺—金属学]