Autors: Kaleicheva, J. A.
Title: Structure and properties of high-speed steels after austempering
Keywords: Bainitic ferrite; Carbides; High-speed steel; Retained auste

Abstract: Some special features of the kinetics and mechanism of the bainitic transformation in high-speed steel HS18-0-1 have been studied. Austempering has been performed at temperatures 300°C and 270°C for 10-360 min, after heating up to 1100°C, 1200°C, and 1280°C. Optical metallographic analysis, electron-microscope analysis, X-ray phase analysis and testing of Rockwell hardness have been carried out. The bainitic transformation at temperatures 270°C and 300°C takes place according to the scheme: α + A(c). The temperature of heating (1100°C, 1200°C, 1280°C) does not influence the mechanism of bainitic transformation. It changes the kinetic process parameters only.

References

    Issue

    International Journal of Microstructure and Materials Properties, vol. 2, issue 1, pp. 16-23, 2007, Switzerland, Inderscience Publishers, doi:10.1504/IJMMP.2007.012934

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    Вид: статия в списание, публикация в издание с импакт фактор, публикация в реферирано издание, индексирана в Scopus