Li Zhou, Fang Liu, Changsheng Liu, Dale Sun, and Lisong Yao, High temperature oxidation behavior of high speed steel for hot rolls material, J. Univ. Sci. Technol. Beijing, 12(2005), No. 2, pp. 166-171.
Cite this article as:
Li Zhou, Fang Liu, Changsheng Liu, Dale Sun, and Lisong Yao, High temperature oxidation behavior of high speed steel for hot rolls material, J. Univ. Sci. Technol. Beijing, 12(2005), No. 2, pp. 166-171.
Materials

High temperature oxidation behavior of high speed steel for hot rolls material

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  • Corresponding author:

    Li Zhou    E-mail: zhouli-neu@sohu.com

  • Received: 27 February 2004
  • The oxidation characteristics of high speed steel (HSS) were studied at 500 to 800°C. The non-isothermal oxidation and isothermal oxidation (500, 575, 650, 725, 800°C) of HSS were investigated by thermo-gravimetric analysis (TGA). The microstructure, morphology and oxide scale thickness of the isothermal oxidation samples were analyzed by optical microscope (OM), electron probe micro analyzer (EPMA), X-ray diffraction spectrum (XRD) and scanning electron microscope (SEM). The results indicate that the oxidation rate of HSS is very slow at 500 to 650°C, increasing gradually at 650 to 750°C, and drastically at 750 to 800°C, because the phase transformation happens at about 750°C.
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