摘要
研究了不同氮含量对真空熔炼的Ｆｅ３８Ｍｎ 合金７７Ｋ 冲击韧性及断口形貌的影响。结果表明：适当氮含量可以显著提高Ｆｅ３８Ｍｎ 合金的低温冲击性能，其断口形貌由沿晶断裂断口转变为准解理断口。
The influence of various nitrogen content on 77K impact toughness and the morphology of fracture of austenitic steel Fe 38Mn melted by vacuum induction furnace were investigated. The results show that the available nitrogen content can obviously improve the cryogenic impact toughness of steel to modify the fracture morphology from intergranular fracture to quasi cleavage fracture.
出处
《特殊钢》
EI
北大核心
2000年第1期14-15,共2页
Special Steel
基金
国家自然科学基金
关键词
高锰奥氏体钢
氮
低温冲击韧性
High Mn Austenitic Steel, Nitrogen, Cryogenic Impact Toughness
