低碳马氏体

1
low-carbon martensite
... low-carbon ferronickel ==> 低碳镍铁 low-carbon martensite ==> 低碳马氏体 low-carbon martensitic steels ==> 低碳马氏体钢 ...

短语

1
堆焊层显微组织为低碳马氏体和碳化物。
The microstructure of surfacing metal is lath martensite and carbide.
2
为适应变截面汽车板簧用材所需，研制了一种低碳马氏体型弹簧钢。
A low carbon martensitic spring steel has been developed to meet the requirements of variable-cross-section plate spring for trucks.
3
研究了淬火、回火工艺对低碳马氏体型高强度高韧性非调质钢的组织和性能的影响。
The effect of hardening and tempering process on the organization and performance of high-strength and high-toughness non-hardened-and tempered steel of low carbon martensite is researched.

低碳马氏体
低碳马氏体也称板条马氏体、位错马氏体、块状马氏体、立方马氏体、高温马氏体，其硬度为45-50HRC，屈服强度达1000-1300MPa，抗拉强度达1200-1600MPa，具有好的塑性（A≧10%,Z≧40%)、韧性(Akv≧59J），以及良好的冷加工性、可焊性和热处理畸变小等优点。凡是含碳量小于0.25%的非合金钢（碳素钢）或低碳低合金结构钢经强烈淬火，获得80%以上甚至100%的低碳马氏体组织，这类钢统称为低碳马氏体钢。一般情况下，含碳量在0.15%-0.25%范围内的钢淬火强化效果好，综合力学性能高。

点击反馈