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超高强Q&P钢淬火温度对组织和性能的影响 被引量:19

Influence of Quenching Temperature on Microstructure and Mechanical Properties of Q&P Super-high Strength Steel
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摘要 研究了淬火温度对Q&P钢微观组织和力学性能的影响,并通过经验公式及CCE平衡的计算,确定出理论的最佳淬火温度,并与实验结果相对比。结果表明,随淬火温度升高马氏体量降低、奥氏体量升高,使得钢的强度降低,塑性升高,在250℃时能取得较好的强塑积,与计算值较为吻合。 The effects of quenching temperature on microstructure and mechanical properties of the Q&P steel were researched. And through experience formula and calculating the balance of CCE, the best quenching temperature was determined, and compared with the experimental results. The results show that: with the increase of quenching temperature, martensite volume reduces, and austenitic volume increases, the strength of steel decreases, the plastic increases. An excellent strength and ductility quenched at 250℃ is obtained, which is identicalwith the calculated values.
出处 《热加工工艺》 CSCD 北大核心 2009年第12期121-123,152,共4页 Hot Working Technology
基金 国家自然科学基金资助项目(50405015)
关键词 Q&P钢 热处理 淬火温度 板条马氏体 残留奥氏体 Q&P steel heat treatment quenching temperature lath martensite residual austenite
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参考文献6

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