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微量硼在12CrNi3MoV调质低合金高强度钢中的作用

EFFECT OF BORON IN 12CrNi3MoV QUENCHED AND TEMPEREDHIGH STRENGTH LOW ALLOY STEEL

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【作者】 章洪涛; 杨薇; 祖荣祥; 郭曼玖; 李定秀; 王彪;

【Author】 Zhang Hongtao;Yang Wei;Zu Rongxiang;Guo Manjiu;Li Dingxiu;Wang Biao Central Iron & Steel Research Institute

【机构】 钢铁研究总院; 钢铁研究总院;

【摘要】 本文研究不同硼含量对12CrNi3MoV钢力学性能的影响及其作用机制。如酸溶硼含量Bsol<0.001%时,钢的韧性有所改善;而Bsol>0.001%时,钢的韧性随硼含量的增加而逐渐下降,这是由于Fe23(CB)6等碳硼化物的析出而引起的。

【Abstract】 The influence of various boron contents on the properties of 12CrNi3MoV steel and its me-chanism were studied. When soluble boron (Bsol) is less than 0.001%, toughness of the steel isimproved in some extent. However, when Bsol is more than 0.001% toughness of the steel dec-reases gradually as the Bsol increases. The decrease of toughness is a consequence of precipi-tation of boron carbides such as Fe23(CB)6.

  • 【文献出处】 钢铁 ,Gangtie , 编辑部邮箱 ,1989年04期
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