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New Spheroidizing Technique of Ultra-High Carbon Steel With Aluminum Addition

机译:添加铝的超高碳钢球化新工艺

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摘要

A new spheroidizing process of ultra-high carbon steel(UHCS)containing C 1.55%,Cr 1.45%,and Al 1.5% in mass percent has been proposed.The effect of processing parameters on the microstructure was analyzed.The UHCS produced by this new process has a microstructure with recrystallized ferrite matrix and fine and uniform carbide particles.After this spheroidizing,the UHCS exhibits good mechanical properties at ambient temperature,for example sigma_b=1100 MPa,sigma_s= 915 MPa,delta=8% and high ratio of sigma_s/sigma_b.
机译:提出了质量分数为C 1.55%,Cr 1.45%,Al 1.5%的超高碳钢球化工艺。分析了工艺参数对超高碳钢球化的影响。球化后,UHCS在环境温度下表现出良好的机械性能,例如sigma_b = 1100 MPa,sigma_s = 915 MPa,δ= 8%和sigma_s的比率高/ sigma_b。

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