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Elastic constants of martensite

  • Mechanical Behavior
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Abstract

The elastic constants of Fe−Ni−C martensite are increased by retained austenite. Also, nickel markedly decreases the elastic constants of such martensite. Therefore, to properly evaluate the effect of carbon on the elastic constants of Fe−Ni−C martensite, it is necessary to first correct for both retained austenite and nickel content. When these corrections are made, both the Young's modulus and the shear modulus of Fe−Ni−C martensites. decrease with increasing carbon content, in agreement with earlier work on Fe−C martensites. thus, an increased lattice stiffness cannot be used to explain the high strength of martensite.

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Authors and Affiliations

  1. Research Laboratory, United States Steel Corporation, 15146, Monroeville, Pa

    G. R. Speich (Senior Scientist)

  2. Department of Materials and Metallurgical Engineering, University of Michigan, 48104, Ann Arbor, Mich

    W. C. Leslie (Professor)

Authors
  1. G. R. Speich
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  2. W. C. Leslie
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Speich, G.R., Leslie, W.C. Elastic constants of martensite. Metall Trans 4, 1873–1875 (1973). https://doi.org/10.1007/BF02665415

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  • DOI: https://doi.org/10.1007/BF02665415

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