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.
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.
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.
微观组织观察表明，在锻造或高温轧制状态下获得了以低碳马氏体为主，含少量贝氏体和残余奥氏体的复合组织。
Observations showed that the micro-structure of the steel after forging or high temperature rolling was composed of low-carbon martensite, a little part of bainite and residual austenite.
研究了低碳奥氏体—马氏体双相不锈钢在不同回火温度下硬度变化规律。
This paper has studied hardness changing law of low carbon austenite-martensite double phases stainless steel at different tempering temperatures.
应用透射电子显微术研究低碳及中碳合金钢回火马氏体的形变位错结构随拉伸加载过程的演变。
The evolution of deformation dislocation structure during the tensile loading was examined by transmission electron microscopy in the tempered martensite of low and middle carbon alloy steels.
含碳量达到2.3%后，基体以马氏体为主，耐磨性比低碳的高钒高速钢大幅提高。
After the carbon content reached 2.3%, the matrix is martensite primarily and the impact wear resistance performance enhanced largely compared with the low-carbon high vanadium high-speed steel.
结果表明：加镍低碳高合金钢无论退火态还是淬火回火态，其组织均为单相板条马氏体；
The results show that as-annealed microstructure and as-quenched-tempered microstructure of the low carbon high alloy steel added nickel are both single-phase lath martensite.
结果表明：加镍低碳高合金钢无论退火态还是淬火回火态，其组织均为单相板条马氏体；
The results show that as-annealed microstructure and as-quenched-tempered microstructure of the low carbon high alloy steel added nickel are both single-phase lath martensite.
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