摘要
在常规工艺的基础上增加亚温淬火,改善了大锻件内部组织,细化了晶粒,提高了45#钢拖轮轴锻件的冲击韧性。
Adding sub-critical temperature quenching to the base of general process to improve the internal organization and refine the grain size as well as increase the impact strength.
出处
《大型铸锻件》
2010年第5期16-17,共2页
Heavy Casting and Forging
关键词
拖轮轴
热处理
亚温淬火
tug shaft
heat treatment
sub-critical temperature quenching