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Steel 17-7PH is austenitic-martensitic steel with high strength, hardness, resistance to creep and corrosion. It is designed for use in aerospace components, but can also be used for other applications which require high strength and corrosion resistance, as well as for the leaf spring to operate at temperatures up to 316 ℃. The type of steel is determined by the starting martensite transformation, Ms, and the end of martensitic transformation, Mf. This paper presents the experimental determination of the temperature of martensitic transformation as well as the application of the JMatPro application.

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Martensitic Transformation in Semiaustenitic Stainless Steel 17-7PH with Modified Chemical Composition

  • 会议论文

  • 发表日期：

    2025年

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  • Belma Fakić,
  • Diana Ćubela

摘要

Steel 17-7PH is austenitic-martensitic steel with high strength, hardness, resistance to creep and corrosion. It is designed for use in aerospace components, but can also be used for other applications which require high strength and corrosion resistance, as well as for the leaf spring to operate at temperatures up to 316 ℃. The type of steel is determined by the starting martensite transformation, Ms, and the end of martensitic transformation, Mf. This paper presents the experimental determination of the temperature of martensitic transformation as well as the application of the JMatPro application.