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RESEARCH PAPERS

An Improved Basis for Formulating Acceptance Criteria for Structural Welds

[+] Author and Article Information
B. R. Ellingwood

Naval Ship Research and Development Center, Bethesda, Md.; National Bureau of Standards, Washington, D.C.

J. Pressure Vessel Technol 100(1), 85-90 (Feb 01, 1978) (6 pages) doi:10.1115/1.3454439 History: Received August 04, 1977; Online October 25, 2010

Abstract

Improvements in current weld acceptance criteria can be achieved if the standards are derived from structural reliability and integrity considerations. These criteria require an assessment of the effect on expected service performance of defects remaining in the weld. The inherent randomness in many of the parameters affecting weld reliability requires that the acceptance criteria have a probabilistic basis. Performance criteria can then be formulated which are consistent with levels of uncertainty and desired reliability.

Copyright © 1978 by ASME
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