机车内燃机涡轮增压器导向叶轮的故障分析与激光修复  

The Failure Analysis and Laser Repair of the Turbocharger Compressor Wheel of A Locomotive Internal Combustion Engine

作　　者：陈江[1] 朴新欣[1] 张静波[1] 董志宏[2] 

机构地区：[1]沈阳大陆激光技术有限公司,辽宁沈阳110136 [2]中国科学院金属研究所金属腐蚀与防护国家重点实验室,辽宁沈阳110016

出　　处：《应用激光》2014年第1期15-20,共6页Applied Laser

摘　　要：对某机车内燃机涡轮增压器导向叶轮的故障进行了分析,提出了采用激光熔覆法修复受损叶轮。通过对激光熔覆样品的拉伸与疲劳性能测试,验证了激光熔覆法修复该机车内燃机增压器导向叶轮的可行性。The failure analysis of the turbocharger compressor wheel of a locomotive internal combustion engine was carried out and a laser cladding method has been presented to repair the wheel. According to the tensile and fatigue testing of the laser cladding samples, the laser repairing for the wheel was feasible.

关 键 词：涡轮增压器 叶轮 疲劳断裂 激光修复 

分 类 号：TG17[金属学及工艺—金属表面处理] TK476[金属学及工艺—金属学]