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The effect of reverted austenite on the mechanical properties and toughness of 12 Ni and 18 Ni (200) maraging steels

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Abstract

A study has been made of the effects of reverted austenite on the mechanical properties and toughness of three maraging steels. It is found that reverted austenite has no detrimental effects on the mechanical properties and toughness and even improves these properties when precipitated along martensite lath boundaries. This occurs for underaged specimens. A detrimental effect on toughness is found when reverted austenite precipitates at prior austenitic grain boundaries which occurs for over aged specimens. Overaged precipitates are also responsible for the decrease in toughness in the overaged condition.

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Authors and Affiliations

  1. Research Physicist, Materials Research Center, Allied Chemical Corporation, 07960, Morristown, N. J.

    C. A. Pampillo

  2. Division of Materials Research, National Science Foundation, Washington, D. C.

    H. W. Paxton (Director)

Authors
  1. C. A. Pampillo
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  2. H. W. Paxton
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Additional information

C. A. PAMPILLO, formerly with the Department of Metallurgy and Materials Science, Carnegie-Mellon University, Pittsburgh, Pa.

H. W. PAXTON, on leave from Carnegie-Mellon University

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Pampillo, C.A., Paxton, H.W. The effect of reverted austenite on the mechanical properties and toughness of 12 Ni and 18 Ni (200) maraging steels. Metall Trans 3, 2895–2903 (1972). https://doi.org/10.1007/BF02652858

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