After tempering treatment at different conditions, the tempering stability of Fe-base hardfacing layer containing multiple alloying element was investigated.
研究了高碳高铬铸铁型硬质合金堆焊层在不同热处理工艺条件下的组织、硬度与耐磨性。
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。
Tempering of the machine bed is carried out twice to ensure stability. The tempering process changes the internal structure of the iron making it more durable and rigid.
机床整体床身重，同时床身制造过程中采用二次淬火工艺，从而改变了铁的内部结构，使之更加耐冲压，刚性上有显著提高。
Structure stability: Industrial production models, heavy-duty full steel welding, -tempering processing, solid and non-deformed.
结构稳定：工业生产机型，重型全钢结构焊接，矢效处理，坚固不变形。
Structure stability: Industrial production models, heavy-duty full steel welding, -tempering processing, solid and non-deformed.
结构稳定：工业生产机型，重型全钢结构焊接，矢效处理，坚固不变形。
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