Loading Mode (Mode I/Mode III) Testing for Stress Corrosion Cracking

AW Thompson; IM Bernstein

doi:10.1520/STP34430S

SYMPOSIA PAPER Published: 01 January 1984

STP34430S

Loading Mode (Mode I/Mode III) Testing for Stress Corrosion Cracking

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The use of loading mode variation (Modes I and III) to identify the mechanisms of stress corrosion cracking is reviewed and evaluated, and some recent results on 7075 and 7090 aluminum are presented. It is concluded that the conventional interpretation (that anodic dissolution dominates when results in Modes I and III are similar, and hydrogen embrittlement dominates when the Mode III response is essentially zero) is likely correct. This separation of processes can serve as one means to verify that accelerated laboratory tests do in fact simulate service conditions and service failures.

Author Information

Thompson, AW

Carnegie-Mellon University, Pittsburgh, Pa.

Bernstein, IM

Carnegie-Mellon University, Pittsburgh, Pa.

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Details

Developed by Committee: G01

Pages: 114–127

DOI: 10.1520/STP34430S

ISBN-EB: 978-0-8031-4894-9

ISBN-13: 978-0-8031-0264-4

Loading Mode (Mode I/Mode III) Testing for Stress Corrosion Cracking

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