摘要
对成品ZGMn13-4高锰钢衬板进行再次水韧处理,对比处理前后试验钢微观组织及力学性能,分析试验高锰钢衬板水韧处理的不足。试验ZGMn13-4高锰钢的组织中存在大量块状、片状碳化物,其在奥氏体晶界处聚集形成网状结构,冲击吸收能量为41.7 J,硬度在230 HB以上;经再次水韧处理后组织中碳化物消失,为单一奥氏体组织,冲击吸收能量提高到114.8 J,硬度降低到200 HB以下,获得了较好的性能配比。高锰钢经适当水韧处理后可获得理想的力学性能。
Once again water toughening was carried out on a commercial ZGMnl3-4 high manganese steel, microstructure and mechanical properties of the tested steel before and after reheat treatment were tested and compared, and defects of the original water toughening process was analyzed. The results showed that the massive carbides existed in austenite grain boundaries as a network structure in microstructure of the steel and its impact absorbed energy was 41.7 J and the hardness was above 230 HB. After reheat treatment, the mierostructure was an austenite single phase structure only and the carbides disappeared, and a preferable mechanical property match was obtained with the impact absorbed energy of 114.8 J and the hardness below 200 HB.
出处
《金属热处理》
CAS
CSCD
北大核心
2014年第2期112-115,共4页
Heat Treatment of Metals
关键词
高锰钢
衬板
水韧处理
碳化物
冲击吸收能量
high manganese steel
lining plate
water toughening
carbides
impact absorbed energy
