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Supervisor：Jiangxi University Of Science And Technology
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Jiangxi Nonferrous Metals Society
ISSN：1674-9669
CN：36-1311/TF
CODEN YJKYA9
Volume 7 Issue 5
Oct.  2016
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Luo Di-qiang, Lai Chao-bin, Peng Yuan-long, Xie Fei-ming, Wang Yan-lin, Zhang Qin. Phase transformations research on 51CrV4 spring steels[J]. Nonferrous Metals Science and Engineering, 2016, 7(5): 61-66. DOI: 10.13264/j.cnki.ysjikx.2016.05.011
Citation: Luo Di-qiang, Lai Chao-bin, Peng Yuan-long, Xie Fei-ming, Wang Yan-lin, Zhang Qin. Phase transformations research on 51CrV4 spring steels[J]. Nonferrous Metals Science and Engineering, 2016, 7(5): 61-66. DOI: 10.13264/j.cnki.ysjikx.2016.05.011
shu

Phase transformations research on 51CrV4 spring steels

  • 1.

    School of Metallurgical and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

  • 2.

    Fangda Special Steel Technology Co., Ltd., Nanchang 330012, China

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  • Received Date: December 28, 2015
  • Published Date: October 30, 2016
    Graphical Abstract
    • Abstract
  • The static continuous cooling transformation (CCT) curves were measured using thermal expansion method, in a Gleeble-3800 thermo-mechanical simulator for 51CrV4 steel.The expansion curves of supercooled austenite during continuous cooling under different cooling rate were determined, simultaneously. With metallographic microhardness method, the effect of different cooling rate on microstructure and performance of 51CrV4 steel was analyzed. The results shows that, with the cooling at 0.5 ℃/s, the phases resulted from the cooling transformation are ferrite and pearlite. With the cooling rate at 1 ℃/s, the bainite is obtained. The cooling rate region for getting martensite is between 2 to 30 ℃/s. When cooling rate is up to 12 ℃/s, the product of the cooling transformation is only martensite.
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    • References (19)
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