1) tempered troostite
回火屈氏体
1.
With the same condition of 850 ℃quenching temperature,the hysteresis property of tempered troostite spring element is less than that of tempered martensite and tempered sorbite.
结果表明,下贝氏体组织弹误差体滞后误差最小;850℃相同淬火温度条件下,回火屈氏体组织弹性体的滞后性小于回火马氏体和回火索氏体组织弹性体的;亚温淬火和高温淬火增大弹性体的滞后性。
2) quenched troostite
淬火屈氏体
3) tempered martensite
回火马氏体
1.
The result shows that tempered martensite has apparent lath character when temper is between 740℃~780℃,and the hardness of welded joint is 264~237HV,which can get better performance of the welded joint.
结果表明,在740~780℃之间回火,焊缝硬度为264~237HV,回火马氏体板条特征明显,可以获得优良的焊接接头性能;回火温度超过780℃,焊缝板条马氏体特征消失,母材回火索氏体中碳化物产生偏聚,硬度、塑性明显降低。
2.
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.
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。
3.
The carbides precipitated in the isothermal lower bainite and the tempered martensite in 38Si2Mn2Mo steel were studied using TEM.
表明下贝氏体具有碳过饱和度 ,ε 碳化物是从贝氏体铁素体中析出的 ,具有与回火马氏体相似的切变特征。
4) tempered sorbite
回火索氏体
1.
The lath character of martensite in welded joint disappears,and the carbide in the tempered sorbite of the base metal will aggregate when temper temperature is above 780℃,and the hard.
结果表明,在740~780℃之间回火,焊缝硬度为264~237HV,回火马氏体板条特征明显,可以获得优良的焊接接头性能;回火温度超过780℃,焊缝板条马氏体特征消失,母材回火索氏体中碳化物产生偏聚,硬度、塑性明显降低。
2.
Martensite lath changes into fine tempered sorbite w.
材料经高温回火得到细小回火索氏体,力学性能优良。
3.
ferrite-pearlite pipeline steel,acicular ferrite pipeline steel,bainite-martensite pipeline steel and tempered sorbite pipeline steel.
根据材料的显微组织将管线钢分为四种类型,即铁素体-珠光体管线钢、针状铁素体管线钢、贝氏体-马氏体管线钢和回火索氏体管线钢;并以此为线索介绍了该四类管线钢的化学成分、显微组织和性能,综述了管线钢的发展历程。
5) martensite tempered content
马氏体回火
补充资料:回火马氏体
temperedmartensite:淬火时形成的片状马氏体(晶体结构为体心四方)于回火第一阶段发生分解—其中的碳以过渡碳化物的形式脱溶—所形成的、在固溶体基体(晶体结构已变为体心立方)内弥散分布着极其细小的过渡碳化物薄片(与基体的界面是共格界面)的复相组织;这种组织在金相(光学)显微镜下即使放大到最大倍率也分辨不出其内部构造,只看到其整体是黑针(黑针的外形与淬火时形成的片状马氏体(亦称“α马氏体”)的白针基本相同),这种黑针称为“回火马氏体”。
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参考词条