the secondary hardening 二次硬化的
secondary hardening steel 二次硬化钢的
secondary hardening material 二次硬化材料
high secondary hardening steel 二次硬化钢
low-temperature secondary hardening 低温二次硬化
secondary-hardening martensite steel 二次硬化马氏体时效钢
high alloy secondary-hardening steel 高合金二次硬化钢
It is not yet very known especially of the mechanical behaviour after secondary hardening such as torsion - tension - tension and tension - torsion - tension.
特别是在扭转-拉伸-拉伸和拉伸-扭转-拉伸等二次硬化后的A3钢的力学性能还不甚了解。
参考来源 - 预应变A3钢的力学性能实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Series models: glass chemical thinning can be customized according to process requirements, OGS secondary hardening, glass etching AG corrosion equipment.
系列机型可根据工艺要求定制用于玻璃化学减薄、OGS二次强化、玻璃ag蚀刻等腐蚀装备。
The authors suggest that the primary factors of the reheat embrittlement are precipitation of coarse carbide along the grain boundary and secondary hardening in the grain.
出现再热脆性的主要原因是晶界粗大碳化物的析出和晶内二次硬化。
As a result of the coaction of abovementioned factors, the bainite has superior secondary hardening effect, thermal strength and structural stability to martensite formed by straight tempering.
以上诸因素的共同作用，使贝氏体具有比直接淬火所获得的马氏体更高的二次硬化效应、热强性和组织稳定性。
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