Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.msea.2019.138252
Title: Stress corrosion cracking behavior in 2297 Al-Cu-Li alloy at different grain orientations
Authors: ZHANG JIAYI 
Wang, Bin
Yi, Danqing
Keywords: Science & Technology
Technology
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Science & Technology - Other Topics
Materials Science
2297 Al-Cu-Li alloy
Stress corrosion cracking
Ductility
Annealing
Texture
HYDROGEN-INDUCED CRACKING
CRYSTALLOGRAPHIC TEXTURE
BOUNDARY-CHARACTER
ANODIC-DISSOLUTION
PIPELINE STEEL
SUSCEPTIBILITY
STRENGTH
RECRYSTALLIZATION
MICROSTRUCTURE
RESISTANCE
Issue Date: 9-Sep-2019
Publisher: ELSEVIER SCIENCE SA
Citation: ZHANG JIAYI, Wang, Bin, Yi, Danqing (2019-09-09). Stress corrosion cracking behavior in 2297 Al-Cu-Li alloy at different grain orientations. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 764. ScholarBank@NUS Repository. https://doi.org/10.1016/j.msea.2019.138252
Abstract: © 2019 Elsevier B.V. The effect of annealing and aging on mechanical properties, texture and stress corrosion cracking (SCC) susceptibility of 2297 Al–Cu– Li alloy after cold rolling was studied. Alloy annealed at 380 °C/60 min (sample B), which showed the best performance of SCC resistance, had an SCC index of only 3.8%. After aging at 175 °C for 31 h, the fracture surface of sample B had the finest dimples, which corresponded to the best ductility (elongation, 12.8%). The textures of the alloys treated by different annealing processes varied significantly, and grains gradually transferred from deformed to recrystallized textures during the aging process. Cracks tended to propagate along the grain boundaries with {100}//RP orientation grains, whereas the grain boundaries related to {111}//RP and {110}//RP orientation grains hindered SCC of the alloy.
Source Title: MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
URI: https://scholarbank.nus.edu.sg/handle/10635/162226
ISSN: 09215093
DOI: 10.1016/j.msea.2019.138252
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