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Elastic moduli and tensile and physical properties of heat-treated and quenched powder metallurgical Ti-6Al-4V alloy

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An Erratum to this article was published on 01 May 1991

Abstract

Elastic moduli and tensile and physical properties were measured at room temperature on texture-free powder metallurgical (PM) Ti-6Al-4V alloy as a function of heat treatment and quenching (HTQ) from temperatures between 600 °C and 1200 °C. The elastic moduli and other physical properties, which are often regarded to be constant, were found to depend strongly on heat treatment. The property variations are interpreted on the basis of the phases and phase volume fractions which are controlled by HTQ. For example, soft metastable (beta/alpha′) phase formed by 800 °C HTQ induces the lowest values of yield strength and Young’s modulus. Alpha + beta microstructures are associated with a low Poisson’s ratio of 0.27, while alpha′ microstructures have a high Poisson’s ratio between 0.35 and 0.36. Several other mechanical and physical properties are derived from the measured properties.

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Authors and Affiliations

  1. Department of Materials Research, Korea Institute of Machinery and Metals, 66, Sangnam-dong, Changwon, Korea

    Y. T. Lee (Head)

  2. Institute for Materials Research, German Aerospace Research Establishment, D-5000, Cologne 90, Federal Republic of Germany

    M. Peters (Senior Scientist)

  3. Department of Materials Science and Engineering, Case Western Reserve University, 44106, Cleveland, OH

    G. Welsch (Associate Professor)

Authors
  1. Y. T. Lee
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  2. M. Peters
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  3. G. Welsch
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Formerly Research Associate, Institute for Materials Research, German Aerospace Research Establishment

An erratum to this article is available at http://dx.doi.org/10.1007/BF02661110.

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Lee, Y.T., Peters, M. & Welsch, G. Elastic moduli and tensile and physical properties of heat-treated and quenched powder metallurgical Ti-6Al-4V alloy. Metall Trans A 22, 709–714 (1991). https://doi.org/10.1007/BF02670293

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  • DOI: https://doi.org/10.1007/BF02670293

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