DIFFRACTION MEASUREMENTS ON CPF STEEL FATIGUE SAMPLES

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Authors
  1. Clark, P.
  2. Holden, T.
  3. Porter, J.F.
  4. Yee, R.
Corporate Authors
Atomic Energy of Canada Ltd, Chalk River ONT (CAN) Chalk River Nuclear Labs;Defence Research Establishment Atlantic, Dartmouth NS (CAN)
Abstract
In an effort to develop a non-destructive means of quantifying fatigue damage in cyclically loaded marine materials, prior to the formation of a detectable fatigue crack, a series of hourglass shaped specimens were fabricated from 350WT steel, cyclically loaded to various percentages of their fatigue crack initiation life, and examined via neutron diffraction methods. Diffraction line parameters were observed which varied strongly with distance from the waist of each specimen. These parameters correlated with the degree of induced fatigue damage. Comparisons were made between these experiments and earlier less successful similar experiments conducted on HY80 samples. The limitations and potential for the application of diffraction technologies to non-destructively define the remaining fatigue life in marine components and structures is reviewed.
Report Number
DREA-NAMT-95-6-PAP-2 — CONTAINED IN 99-00779
Date of publication
30 May 1995
Number of Pages
15
DSTKIM No
99-00807
CANDIS No
510371
Format(s):
Hardcopy;Document Image stored on Optical Disk

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