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Volume 15 Issue 4
Aug.  2008
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Li Zhou, Dale Sun, Changsheng Liu, Chunguang Li,  and Lisong Yao, Scratch behavior of high speed steels for hot rolls, J. Univ. Sci. Technol. Beijing, 15(2008), No. 4, pp. 402-406. https://doi.org/10.1016/S1005-8850(08)60076-6
Cite this article as:
Li Zhou, Dale Sun, Changsheng Liu, Chunguang Li,  and Lisong Yao, Scratch behavior of high speed steels for hot rolls, J. Univ. Sci. Technol. Beijing, 15(2008), No. 4, pp. 402-406. https://doi.org/10.1016/S1005-8850(08)60076-6
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Materials

Scratch behavior of high speed steels for hot rolls

  • 通讯作者:

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

  • The scratch behaviors of two high speed steels (HSS) for hot rolls were studied by a Micro-combi Tester, and the emphasis was placed on researching the relations between the microstructure and the scratch resistance property of different HSS. The experimental results indicate that during the scratch process, the carbides are embedded into the matrix, the penetration depth of different HSS is closely related with the matrix hardness, i.e., the higher the matrix hardness, the better the scratch resistance property; and in the matrix, the fine, dispersive carbides are beneficial to form steady friction between the indenter and the scratched materials, but the coarser carbides are easier to fall into pieces.
  • Materials

    Scratch behavior of high speed steels for hot rolls

    + Author Affiliations
    • The scratch behaviors of two high speed steels (HSS) for hot rolls were studied by a Micro-combi Tester, and the emphasis was placed on researching the relations between the microstructure and the scratch resistance property of different HSS. The experimental results indicate that during the scratch process, the carbides are embedded into the matrix, the penetration depth of different HSS is closely related with the matrix hardness, i.e., the higher the matrix hardness, the better the scratch resistance property; and in the matrix, the fine, dispersive carbides are beneficial to form steady friction between the indenter and the scratched materials, but the coarser carbides are easier to fall into pieces.
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