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Some important considerations in the development of stress corrosion cracking test methods.Discussion of some of the precaution needs the development of fracture-mechanics based test methods for studying stress corrosion cracking involves. Following a review of pertinent analytical fracture mechanics considerations and of basic test methods, the implications for test corrosion cracking studies of the time-to-failure determining kinetics of crack growth and life are examined. It is shown that the basic assumption of the linear-elastic fracture mechanics analyses must be clearly recognized and satisfied in experimentation and that the effects of incubation and nonsteady-state crack growth must also be properly taken into account in determining the crack growth kinetics, if valid data are to be obtained from fracture-mechanics based test methods.
Document ID
19720057247
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Wei, R. P.
(Lehigh University Bethlehem, Pa., United States)
Novak, S. R.
(United States Steel Corp. Research Laboratory, Pittsburgh, Pa., United States)
Williams, D. P.
(NASA Ames Research Center Materials Science Branch, Moffett Field, Calif., United States)
Date Acquired
August 6, 2013
Publication Date
September 1, 1972
Publication Information
Publication: Materials Research and Standards
Volume: 12
Subject Category
Materials, Metallic
Accession Number
72A40913
Funding Number(s)
CONTRACT_GRANT: N00014-68-A-0514
Distribution Limits
Public
Copyright
Other

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