Fatigue life estimates for a notched member in a corrosive environment
Journal Article
·
· J. Pressure Vessel Technol.; (United States)
It is often assumed that the effects of an aggressive environment can be included in fatigue life estimation procedures by determining the material properties in the environment and at the frequency of interest. An analytical and experimental program was conducted to confirm or refute this assumption. Automotive grade aluminum alloy, 5454-H32, in 3 percent NaCl solution and laboratory environment was selected for this study. A simple model where the total fatigue life is the summation of the portion where fatigue damage is best described by the notch strain field, and the portion where nominal stress and crack length dominate damage assessment, was used to estimate fatigue lives for center notched plates. Smooth cylindrical specimens were employed to determine the material properties for initiation.
- Research Organization:
- Dept. of Mechanical and Industrial Engineering, Univ. of Illinois at Urbana-Champaign, Urbana, IL 61801
- OSTI ID:
- 6523498
- Journal Information:
- J. Pressure Vessel Technol.; (United States), Journal Name: J. Pressure Vessel Technol.; (United States) Vol. 109:1; ISSN JPVTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220200* -- Nuclear Reactor Technology-- Components & Accessories
36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
360105 -- Metals & Alloys-- Corrosion & Erosion
ALKALI METAL COMPOUNDS
ALLOYS
ALUMINIUM ALLOYS
BENCH-SCALE EXPERIMENTS
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
CONTAINERS
CORROSION
CORROSIVE EFFECTS
CRACK PROPAGATION
DAMAGE
FATIGUE
HALIDES
HALOGEN COMPOUNDS
MATERIALS
MATERIALS TESTING
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
PLATES
POWER REACTORS
PRESSURE VESSELS
REACTOR MATERIALS
REACTORS
RESEARCH PROGRAMS
SERVICE LIFE
SODIUM CHLORIDES
SODIUM COMPOUNDS
STRAINS
TESTING
220200* -- Nuclear Reactor Technology-- Components & Accessories
36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
360105 -- Metals & Alloys-- Corrosion & Erosion
ALKALI METAL COMPOUNDS
ALLOYS
ALUMINIUM ALLOYS
BENCH-SCALE EXPERIMENTS
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
CONTAINERS
CORROSION
CORROSIVE EFFECTS
CRACK PROPAGATION
DAMAGE
FATIGUE
HALIDES
HALOGEN COMPOUNDS
MATERIALS
MATERIALS TESTING
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
PLATES
POWER REACTORS
PRESSURE VESSELS
REACTOR MATERIALS
REACTORS
RESEARCH PROGRAMS
SERVICE LIFE
SODIUM CHLORIDES
SODIUM COMPOUNDS
STRAINS
TESTING