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Nondestructive Evaluation of Hardening Depth on Cylindrical Surface Using Dispersive Rayleigh Wave

  • M. Hirao
  • N. Tanimoto
  • H. Fukuoka
Chapter
Part of the Review of Progress in Quantitative Nondestructive Evaluation book series

Abstract

Surface hardening is a usual treatment to increase the tolerance for fatigue, fretting corrosion, and wear of steel parts such as gears and axles. Typical operation is the induction hardening, in which the surface is heated using a high-frequency AC current and then quenched to form a “hard” layer of martensite on the surface. At the same time, the volume expansion associated with the martensite transformation generates the compressive residual stress, which works to restrain the crack initiation and progression.

Keywords

Dispersion Curve Rayleigh Wave Vickers Hardness Compressive Residual Stress Master Curve 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • M. Hirao
    • 1
  • N. Tanimoto
    • 1
  • H. Fukuoka
    • 1
  1. 1.Faculty of Engineering ScienceOsaka UniversityToyonaka, Osaka 560Japan

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