通过合并磨削热模型和回火效应，可以预测工件磨削后的表面硬度变化。
Combining the tempering behaviour with the thermal model of grinding, the change in surface hardness due to grinding heat can be predicted.
通过合并磨削热模型和回火效应可以预测工件磨削后的表面硬度变化。
Combining the tempering behavior with the grinding thermal model, the change in surface hardness due to grinding heat could be predicted.
钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向，并使耐热钢的热强性降低。
The residual deleterious elements in steel lead to products occurring red brittleness surface crack and temper brittleness, and lead to hot strength of heat resistant steel decreasing.
磨削热导致回火引起淬硬钢磨削后表面硬度变化。
Tempering resulting from grinding heat caused surface hardness changes of hardened steels after grinding.
钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向，并使耐热钢的热强性降低。
The residual deleterious elements in steel lead to the products occurring red surface brittleness crack and temper brittleness, and lead to the hot strength of heat resistant steel decreasing.
钢的热处理工序包括硬化、回火、退火和表面硬化。
The procedures of heat treatment of steel include hardening tempering annealing and case hardening.
结果表明：回火索氏体是最佳的组织形态；微观硬度的不均匀性显著影响钢的表面加工质量。
The results indicated that the tempered sorbite was the optimum microstructure, the inhomogeneous distribution of micro hardness affected markedly the finish quality of the steel surface.
随着加工温度升高，工件表面逐渐产生回火马氏体，这是造成工件表面硬度下降的主要原因。
Tempered martensite was gradually generated as the cutting temperature increased, which is the main cause of the decrease in the hardness.
研究了渗碳热处理过程中淬火冷却和回火状况以及磨削加工对渗碳淬火汽车齿轮表面残余应力的影响。
The influences of carburizing heat treatment process and grinding process on surface residual stress of automobile gears are studied.
主要原因与热处理回火温度、表面加工缺陷以及材料化学成分有关。
The cause of fracture is related with tempering temperature, machining defects on the surface and chemical composition of the fracture bolt.
研究了H13钢的锻造、预备热处理、淬火回火、表面热处理对其性能和模具寿命的影响。
The effects on the properties and die lifespan of forging, conditioning heat treatment, quenching ami tempering, surface heat treatment are researched.
钢的热处理工序包括硬化、回火、退火和表面硬化。
The procedures of heat treatment of steel include hardening, tempering, annealing and case hardening.
钢的热处理工序包括硬化、回火、退火和表面硬化。
The procedures of heat treatment of steel include hardening, tempering, annealing and case hardening.
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