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Evaluation of Fatigue Damage in Coarse-Grained Aluminum With Scanning X-Ray Energy Dispersive Diffraction Microscope

[+] Author Affiliations
Yoshinori Hosokawa, Hirotaka Tanabe, Yoshio Miyoshi, Tohru Takamatsu

University of Shiga Prefecture, Hikone, Shiga, Japan

Kenichi Oborii

Horiba, Ltd., Kisshoin, Kyoto, Japan

Paper No. PVP2004-2830, pp. 153-157; 5 pages
doi:10.1115/PVP2004-2830
From:
  • ASME/JSME 2004 Pressure Vessels and Piping Conference
  • Recent Advances in Nondestructive Evaluation Techniques for Material Science and Industries
  • San Diego, California, USA, July 25–29, 2004
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4679-2
  • Copyright © 2004 by ASME

abstract

Based on the Berg-Barrett method, Scanning Energy Dispersive X-ray Diffraction Microscopy (SEDXDM) has been developed for nondestructively evaluating both the surface and subsurface of poly-crystallized materials. The SEDXDM includes an X-ray source generating continuous X-ray spectrum as a key component to form a highly resolved 2-D horizontal cross-sectional digital image. This article presents the evaluation of the fatigue damage (e.g., slip line and slip band caused by fatigue deformation) of the coarse-grained aluminum, which is made by means of annealing and has been repeatedly bent to generate the stress and make the slope of the stress created in the thickness direction of the plate specimen, under fully reversed anti-plane bending condition with the SEDXDM.

Copyright © 2004 by ASME

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