溶解铌对共析转变行为的影响

IF 3.1 2区材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING

Journal of Iron and Steel Research(International) Pub Date : 2017-09-01 DOI:10.1016/S1006-706X(17)30141-3

Qi-long Yong , Zheng-yan Zhang , Xin-jun Sun , Jian-chun Cao , Zhao-dong Li

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引用次数: 3

摘要

研究了溶出铌对近共析高碳钢共晶转变行为的影响。溶解的铌在共晶转变行为中起重要作用。它显著提高了共晶碳含量(每0.00001%溶解铌增加约0.0477%)，显著提高了钢的淬透性，产生更细、更均匀的多角形原共晶铁素体，诱导共晶渗碳体的形态从片层向球状转变，使珠光体集落的错取向角从0°附近集中到60°附近。

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Effect of dissolved niobium on eutectoid transformation behavior

The effect of dissolved niobium on the eutectoid transformation behavior in near-eutectoid high-carbon steels has been studied. Dissolved niobium is important in the eutectoid transformation behavior. It increases the eutectoid carbon content significantly (by ˜0.0477% per 0.00001% dissolved niobium), increases the hardenability of steel markedly, yields finer, more uniform, polygonal proeutectoid ferrite, induces a transition in morphology of eutectoid cementite from lamellar to somewhat spheroidal, and increases the misorientation angle of pearlite colonies from being focused near 0° to near 60°.

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来源期刊

Journal of Iron and Steel Research(International)

CiteScore

4.30

自引率

0.00%

发文量

2879

审稿时长

3.0 months