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

钢铁研究学报(英文版), 2006, 13(3): 9-13.

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1.School of Material Science and Engineering, Hebei University of Technology, Tianjin 300132, China

2.School of Material Science and Engineering, Hebei University of Technology, Tianjin 300132, China

3.School of Materials Science and Engineering, Beijing University of Technology, Beijing 100022, China

4.School of Material Science and Engineering, Hebei University of Technology, Tianjin 300132, China

5.School of Material Science and Engineering, Hebei University of Technology, Tianjin 300132, China

基金项目: 河北省自然科学基金(500023)

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

Keywords： ultra-high carbon steel

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 σb=1 100 MPa, σs=915 MPa, δ=8% and high ratio of σs/σb.

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

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