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冷速和变形对700MPa超级钢组织和性能的影响
Effect of cooling rates and deformation on microstructure and mechanical properties of 700MPa super steel
【摘要】 采用Gleeble 1 5 0 0热模拟实验机及Instron试验机研究并分析了 70 0MPa超级钢的连续冷却转变曲线 (CCT曲线 )及冷却和变形工艺对实验钢性能的影响。结果表明 ,热变形显著加速钢的相变过程 ,随着冷却速度的提高 ,钢的抗拉强度提高 ,屈服强度降低
【Abstract】 CCT curves and effect of cooling rates and deformation on properties of a 700MPa super steel were studied by using hot simulator(Gleeble 1500) and Instron testing machine. The results showed that the transformation of the steel was accelerated by hot deformation, it was also shown that tensile strength increased, and the yield strength decreased with the increase of cooling rates in the super steel.
【基金】 国家重点基础研究发展计划“973”(G19980 615 0 9);辽宁省自然科学基金项目 (No .2 0 0 110 10 2 1)
- 【文献出处】 材料与冶金学报 ,Journal of Materials and Metallurgy , 编辑部邮箱 ,2003年01期
- 【分类号】TG142.1
- 【被引频次】1
- 【下载频次】208