Corrosion fatigue of iron-chromium-nickel alloys: Fracture mechanics, microstructure and chemistry

Technical Report · Sun Jan 24 23:00:00 EST 1993

DOI:https://doi.org/10.2172/7035451· OSTI ID:7035451

Wei, R P

Phase transformation and cracking during RT aging of charged, high-purity Fe18Cr12Ni alloy and commerical 304 ss were examined; results show that [epsilon]* (hcp) hydride formed on Fe18Cr12Ni upon charging, and it decomposed rapidly to form first [epsilon] and then [alpha]' martensite. Morphology of fracture surfaces of Fe18Cr12Ni produced by corrosion fatigue in NaCl solutions and in hydrogen was found to be identical. Effort was made to examine the approaches and methodologies used in service life predictions and reliability analyses.

• Research Organization: Lehigh Univ., Bethlehem, PA (United States). Dept. of Mechanical Engineering and Mechanics
• Sponsoring Organization: DOE; USDOE, Washington, DC (United States)
• DOE Contract Number: FG02-88ER45354
• OSTI ID: 7035451
• Report Number(s): DOE/ER/45354-5; ON: DE93007971
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
360105* -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
AQUEOUS SOLUTIONS
AUSTENITIC STEELS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CHROMIUM-NICKEL STEELS
CORROSION FATIGUE
CORROSION RESISTANT ALLOYS
DISPERSIONS
DOCUMENT TYPES
ELEMENTS
FAILURES
FATIGUE
FRACTURES
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
HIGH ALLOY STEELS
HYDRIDATION
HYDROGEN
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS
MECHANICAL PROPERTIES
MIXTURES
NICKEL ALLOYS
NONMETALS
PROGRESS REPORT
SALTS
SOLUTIONS
STAINLESS STEEL-304
STAINLESS STEELS
STEEL-CR19NI10
STEELS
SURFACES