摘要
低碳贝氏体钢钢锭加热到1450℃均热1 h后分别空冷到1200℃淬火、800℃淬火,将淬火与未淬火样进行了TEM观察,1200℃淬火时,主要是氧化物析出,复合很少量的硫化物和氮化物;800℃淬火析出物有分别以MnS、CuxS、富单质Cu为主,复合少量TiN的三种复合析出物,析出物颗粒较大;钢锭中的硫化物析出相基本为CuS,复合少量MnS、(Ti,Nb)(C,N),析出物颗粒细小。
Bainitic steel ingots were heated to 1 450℃ with holding 1 h, cooled in air, and then quenched respectively at 1200℃, 800℃. The ingots with quenching were investigated to compare the ingots without quenching by TEM. The results show that the oxide is found in the ingot quenched at 1 200 ℃ attached with a little of sulfide and Nitride. MnS, Cu, S and copper precipitate in large size attached with TiN in ingot quenched at 800℃. In ingot, CuS precipitates combined with little MnS and （Ti,Nb）（C,N） in fine size.
出处
《钢铁研究学报》
CAS
CSCD
北大核心
2010年第3期56-60,共5页
Journal of Iron and Steel Research
关键词
硫化铜
贝氏体
析出
copper sulfide
bainite
precipitation
