文章摘要
工艺参数对20MnSi热轧棒材力学性能的影响
Technological Parameter Influence on Mechanical Property of 20MnSi Hot-rolled Bar
Received:July 19, 2011  Revised:January 10, 2012
DOI：
中文关键词: 20MnSi  热轧棒材  力学性能
英文关键词: 20MnSi  hot-rolled bar  mechanical property
基金项目:
Author NameAffiliation
HE Gang 1.Shenyang Technology University School of Materials Science and Engineering, Shenyang 110159, China
2.Liaoning Vocational and Technical Metallurgy College, Benxi 117022, China 
DENG Zi-yu Shenyang Technology University School of Materials Science and Engineering, Shenyang 110159, China 
REN Ge Benxi iron & steel (group) Co., LTD., Benxi 117000, China 
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中文摘要:
      通过研究规格为14 mm的20MnSi热轧棒材工艺参数，指出在终轧温度为850 ℃左右时，以0.5~2.0 ℃/s的速度冷却至650 ℃，得到的20MnSi热轧成品棒材组织晶粒更细小、力学性能更高。和常规轧制相比，对20MnSi热轧棒材参数进行控制，抗拉强度提高60 MPa，晶粒直径平均缩小2.2 μm。
英文摘要:
      Technological parameter of the 20MnSi hot-rolled bar(the specification：14 mm) after the research indicates that 20MnSi grain size is smaller and the mechanical property is higher when finish rolling temperature is at 850 ℃ or so, cooling to 650 ℃ at 0.5~2.0 ℃/S. Compared with the routine rolling, the tensile strength is enhanced by 60 MPa, average grain diameter reduction is 2.2 μm, when 20MnSi hot rolled bar process are controlled.
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