SYMPOSIA PAPER Published: 01 January 1979
STP38109S

Evaluation of Slow Strain-Rate Stress Corrosion Tests Results

Source

Slow strain-rate technique provides a rapid and reliable method to determine stress corrosion cracking (SCC) susceptibility of metals and alloys for a broad range of applications. Procedures are discussed for using the technique to (a) determine if an alloy is susceptible to SCC, (b) express SCC severity quantitatively, (c) rank alloys with respect to SCC susceptibility, and (d) evaluate the consequences of SCC susceptibility. Metallography or fractography is essential to confirm the presence or absence of SCC. Once SCC is confirmed, a number of parameters are available to express SCC severity quantitatively. Slow strain-rate technique is a conservative measure in that alloys exhibiting SCC in the test can be acceptable in service if stresses are controlled; however, no SCC in the test indicates no SCC in service under the conditions tested.

Author Information

Payer, JH
Battelle's Columbus Laboratories, Columbus, Ohio
Berry, WE
Battelle's Columbus Laboratories, Columbus, Ohio
Boyd, WK
Battelle's Columbus Laboratories, Columbus, Ohio
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Details
Developed by Committee: G01
Pages: 61–77
DOI: 10.1520/STP38109S
ISBN-EB: 978-0-8031-5548-0
ISBN-13: 978-0-8031-0579-9