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铌钒复合对高安全性能矿用锚杆钢屈强比的影响

晁月林,周玉丽,程四华,王立峰,崔京玉

Hot Working Technology（2014）

Cited 0|Views6
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Abstract
通过50 kg真空炉冶炼不同含量铌钒复合的矿用锚杆钢,经中试轧制后,研究了铌钒含量对低碳微合金钢的组织及力学性能的影响.结果表明:铌钒复合锚杆钢比钒微合金锚杆钢的屈强比低0.3～0.4,晶粒度高0.5～1级,晶粒细化明显,易出现贝氏体,但经低温轧制+超快冷技术即可达到500MPa级性能要求.采用0.026％铌+0.03％V含量铌钒复合替代0.07％～0.08％oV生产可获得高强度更高安全性能的低碳微合金锚杆钢.
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