在试验的焊接条件下，WCX355超细晶钢在热影响粗晶区未有明显脆化，在回火区也未发生软化现象。
Under the experiment's welding condition, WCX355 ultrafine grained steels didn't distinctly embrittle in CGHAZ and didn't soften in tempering zone either.
要包括中间的软化退火和精加后的淬火及回火。
To include the quenching and tempering intermediate softening annealing and finishing after.
硬度能做到61——65hrc成熟工艺是：铸造后软化退火，便于加工，加工后空冷淬火加低温去应力回火。
Hardness can do 61 — 65hrc maturation process is: annealing, softening after casting machining, machining of air cooling after quenching and low temperature stress tempering.
对锻轧机辊环的化学成分进行了科学设计，对辊环的离心铸造工艺、软化退火工艺、淬火工艺和回火工艺进行了深入研究。
In this papers, the composition of forging and rolling machine roll sleeve is scientifically designed, the centrifugal casting and heat treatment process of roll sleeve are researched.
结果表明，随回火温度的升高，45钢组织的大幅度软化导致耐磨性明显下降。
The results show that the microstructure of 45 steel is substantially softened, the wear resistance rapidly decreases with the tempering temperature rising.
高温回火后，马氏体的分解软化以及铁素体中位错密度减小是导致双相钢性能恶化的主要原因。
The decomposition of martensite and decrease of dislocation density in ferrite are the main reasons of deteriorating the mechanical properties of dual phase steel.
高温回火后，马氏体的分解软化以及铁素体中位错密度减小是导致双相钢性能恶化的主要原因。
The decomposition of martensite and decrease of dislocation density in ferrite are the main reasons of deteriorating the mechanical properties of dual phase steel.
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