Influence of pH and specimen orientation on corrosion fatigue behavior of 18% Ni (300) maraging steel in chloride environments
Technical Report
·
· SAMPE Q., v. 7, no. 1, pp. 20-27
OSTI ID:4114664
The combined influence of cyclic stresses and seawater environment has been found to adversely affect the mechanical resistance of 18 percent Ni (300) maraging steel. Results from this investigation indicate that the corrosion fatigue behavior of the maraging steel can be described by an empirical relationship between cyclic stress (s) and time (t) as: t6cs/sup n/, where c and n are the constants. Pronounced effect of specimen orientation and pH on corrosion fatigue behavior of the above maraging steel has been found. Specimens tested with longitudinal orientation show longer fatigue life than specimens with transverse orientation in sodium chloride solutions (pH 7.4). The fatigue life was found to increase when the pH of the seawater was changed from 7.4 to 10.7. (auth)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-33-015231
- OSTI ID:
- 4114664
- Country of Publication:
- United States
- Language:
- English
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