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Dependence of dynamic fracture resistance on crack velocity in tungsten: Part 1. single crystals

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An Erratum to this article was published on 01 August 1984

Abstract

The dependence of dynamic fracture resistance on crack propagation velocity on (100) in tungsten has been examined. A correlation is obtained between the measured local crack velocity with the surface and subsurface deformations. Based on the experimental results on one pass, two passes, and prestrained, electron beam zone refined single crystals, a discussion is given on the slip modes activated at the crack tip, the contributions to the dynamic fracture resistance from dislocations and surface features, and from the preexisting deformed microstructure.

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Authors and Affiliations

  1. Materials Evaluations Branch (R34), Naval Surface Weapons Center, 20910, Silver Spring, MD

    John M. Liu

  2. Semi-Conductor Processing Laboratory, Texas Instruments, Inc., 75215, Dallas, TX

    B. W. Shen

Authors
  1. John M. Liu
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  2. B. W. Shen
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Formerly with the State University of New York at Stony Brook

Formerly with the State University of New York at Stony Brook

A correction to this article is available at http://dx.doi.org/10.1007/BF02657804

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Liu, J.M., Shen, B.W. Dependence of dynamic fracture resistance on crack velocity in tungsten: Part 1. single crystals. Metall Trans A 15, 1247–1251 (1984). https://doi.org/10.1007/BF02644718

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