浅析中碳Cr-Mo钢的淬火开裂倾向  

Simple Analysis on Trend of Medium-carbon Cr-Mo Steel to Cracking During Quenching

作　　者：陈炜 邵帅 盖登宇 郝建国[1] 包翠敏 马国军[4] 王思倩 刘业超 牛丹 王红 江文佳[1] CHEN Wei;SHAO Shuai;GAI Dengyu;HAO Jianguo;BAO Cuimin;MA Guojun;WANG Siqian;LIU Yechao;NIU Dan;WANG Hong;JIANG Wenjia(Shenyang Turbine Machinery Co.,Ltd.,Shenyang 110869,Liaoning China;Harbin Engineering University,Harbin 150006,Heilongjiang China;Dalian Turbine Machinery Technology Development Co.,Ltd.,Dalian 116033,Liaoning China;Dalian University of Technology,Dalian 116024,Liaoning China)

机构地区：[1]沈阳透平机械股份有限公司,辽宁沈阳110869 [2]哈尔滨工程大学,黑龙江哈尔滨150006 [3]大连透平机械技术发展有限公司,辽宁大连116033 [4]大连理工大学,辽宁大连116024

出　　处：《热处理》2023年第6期49-50,59,共3页Heat Treatment

摘　　要：42CrMo钢是常用的中碳合金钢。生产中发现,42CrMo钢工件淬火易开裂。为能制定合理的42CrMo钢的淬火工艺,减少因工件淬火开裂而造成的经济损失,系统分析了影响42CrMo钢工件淬火开裂倾向的因素,包括原材料的冶金缺陷、原始组织、工件结构、化学成分和淬火工艺等。42CrMo steel is a commonly used medium-carbon alloy steel.It was found in production that 42CrMo steel workpiece is easy to crack during quenching.In order to be capable of establishing reasonable quenching practice for 42CrMo steel and of reducing economic loss caused by workpiece cracking during quenching,the factors influencing trend of 42CrMo steel workpiece to cracking during quenching,involving metallurgical defects of raw material,prior structure,configuration of workpiece,chemical composition,quenching practice and so on,were systematically analyzed.

关 键 词：中碳Cr-Mo钢 淬火 组织应力 热应力 开裂 

分 类 号：TG157[金属学及工艺—热处理]