36Mn2V钢制抽油泵轴断裂失效分析及改进措施
Failure Analysis and Modification Measures of Shaft Made in 36Mn2V in Pulling Oil Pump
张迎春1, 宁艳平2
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作者单位：(1. 衡阳财经工业职业技术学院, 湖南 衡阳 421008; 2. 湖南省新邵县酿溪中学, 湖南 新邵 422900)
中文关键字：36Mn2V钢； 疲劳断裂； 显微组织
英文关键字：36Mn2V steel; fatigue fracture; microstructure
中文摘要：通过化学成分分析、力学性能测定、金相组织检验以及断口的宏观、微观分析等方法，对抽油泵轴的断裂原因进行了探讨，从而找出其断裂原因，并对抽油泵轴用管的生产工艺提出了改进意见。
英文摘要：The break causes of shaft in pulling oil pump were analyzed by chemical composition analysis, mechanical properties test, metallographic microstructure examination and macro and micro-fractography. The reasons for the break of the shaft in pulling oil pump were discovered and some modification suggestions about the production technology of the shaft in pulling oil pump were proposed.