Some aspects of thermomechanical fatigue of AISI 304L stainless steel; Part 1: Creep-fatigue damage
- Babcock Rohrleitungsbau GmbH, Oberhausen (Germany)
- Univ. of Siegen (Germany). Inst. of Materials Technology
- Univ. of Erlangen-Nuernberg (Germany). Inst. for Materials Science
Thermomechanical fatigue (TMF) tests on the austenitic stainless steel AISI 304L have been conducted under true' plastic-strain control in vacuum. This report considers the damage occurring during TMF loading. It is shown how the temperature interval and the phasing (in phase, out-of-phase) determine the mechanical response and the lifetime of the specimens. If creep-fatigue interaction takes place during in-phase cycling, the damage occurs inside the material, leading creep-induced damage, and no lifetime reduction occurs, even if the material is exposed periodically to temperature in the creep regime. A formula is proposed which allows prediction of the failure mode, depending on whether creep-fatigue damage occurs or not. At a given strain rate, the formula is able to estimate the temperature of transition between pure fatigue and creep-fatigue damage.
- OSTI ID:
- 5160392
- Journal Information:
- Metallurgical Transactions, A (Physical Metallurgy and Materials Science); (United States), Vol. 25:2; ISSN 0360-2133
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
STAINLESS STEEL-304L
THERMAL FATIGUE
EXPERIMENTAL DATA
MECHANICAL TESTS
SERVICE LIFE
STRAIN AGING
AGING
ALLOYS
AUSTENITIC STEELS
CHROMIUM ALLOYS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
DATA
FATIGUE
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
HIGH ALLOY STEELS
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
LIFETIME
LOW CA
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
NICKEL ALLOYS
NUMERICAL DATA
STAINLESS STEELS
STEEL-CR19NI10-L
STEELS
TESTING
360103* - Metals & Alloys- Mechanical Properties