Interior Deformation Markings in Copper Fatigue Specimens

  • An Erratum to this article was published on 27 October 1956

Abstract

A METALLOGRAPHIC investigation of several fractured low-stress rotating cantilever specimens of low-oxygen copper was carried out, employing various etchants, in an attempt to detect metallographically any evidence of deformation in the interior. Average composition of the specimens was 0.0027 per cent oxygen, 0.0007 per cent nitrogen, 0.8 c.c./100 gm. hydrogen, 99.95 per cent copper.

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References

  1. 1

    Wadsworth, N. J., and Thompson, N., Phil. Mag., 45 (7), 223 (1954).

  2. 2

    Samuels, L. E., J. Inst. Metals, 83, 359 (1955).

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