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The influence of martensite and ferrite on the properties of two-phase stainless steels having microduplex structures

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Abstract

The mechanical properties of a series of stainless steels ranging in composition from 16.5 pct Cr, 5.5 pct Ni to 23.9 pct Cr, 2.9 pct Ni have been determined. The series of alloys lie along an approximate 1700°F tie line with room temperature microstructures ranging from 100 pct martensite to 100 pct ferrite. Yield and tensile strengths increased directly with increasing martensite content. In alloys containing on the order of 40 to 60 pet martensite, the presence of a fine dispersion of tougher, albeit stronger, martensite was quite effective in lowering the ductile-to-brittle impact transition temperature.

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Authors and Affiliations

  1. The International Nickel Co., Inc., Paul D. Merica Research Laboratory, Sterling Forest, N.Y., Suffern

    H. W. Hayden (Research Associate) & S. Floreen (Research Associate)

Authors
  1. H. W. Hayden
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  2. S. Floreen
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Hayden, H.W., Floreen, S. The influence of martensite and ferrite on the properties of two-phase stainless steels having microduplex structures. Metall Trans 1, 1955–1959 (1970). https://doi.org/10.1007/BF02642795

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  • DOI: https://doi.org/10.1007/BF02642795

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