SYMPOSIA PAPER Published: 01 January 1983
STP44814S

Corrosion-Fatigue Crack Initiation in an Iron-Caustic System

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Trends in stress corrosion and fatigue behavior are reviewed and a postulate for a general physical model of the corrosion fatigue process is advanced. Essential features of the postulate are surface reactions and degradation, pit formation, and stress corrosion cracking (SCC), with provision for an incubation period for pitting to become effective and for SCC to develop. Data related to surface degradation, fractography, and material fatigue resistance are presented for an iron-caustic system and discussed with respect to the postulate. The results suggest that surface degradation and SCC are the essential aspects of the corrosion-fatigue process for the iron-caustic system.

Author Information

Leis, BN
Battelle Columbus Laboratories, Columbus, Ohio
Rungta, R
Battelle Columbus Laboratories, Columbus, Ohio
Mayfield, ME
Battelle Columbus Laboratories, Columbus, Ohio
Beavers, JA
Battelle Columbus Laboratories, Columbus, Ohio
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Details
Developed by Committee: E08
Pages: 197–228
DOI: 10.1520/STP44814S
ISBN-EB: 978-0-8031-4867-3
ISBN-13: 978-0-8031-0245-3