对钒在珠光体组织转变中的作用进行了研究,结果表明:钒在PD3钢中可起到细化珠光体,使渗碳体片变得不规则的作用,但钒对珠光体团大小影响较小.当PD3钢中钒含量增加到0.33 %时,碳氮化钒将大量析出,并使珠光体片间距反常粗化,对韧性不利.
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