Superplasticity in magnesium-alloy and deformation mechanism maps for Mg alloys for elevated temperatures
- Authors
- Kim, WJ; Chung, SW; Chung, CS; Kum, DW
- Issue Date
- 2001
- Publisher
- JAPAN INST METALS
- Keywords
- superplasticity; Mg alloy; deformation mechanism map
- Citation
- PRICM 4: FORTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, VOLS I AND II, pp.2031 - 2034
- Journal Title
- PRICM 4: FORTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, VOLS I AND II
- Start Page
- 2031
- End Page
- 2034
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/28027
- Abstract
- Rolling processes of fabricating thin AZ61 and AZ31 alloy sheets adequate for superplastic forming have been developed. Superplastic behavior of the sheets was evaluated in the temperature range of 573K-693K and compared with the initial materials with relatively coarse grains. Existing deformation mechanism maps for f.c.c. and b.c.c. metals were reviewed and found to be deficient in predicting the deformation behavior of Mg alloys with h.c.p crystal structure. Using the experimental data for a number of Mg alloys, which are associated with various deformation mechanisms competing at elevated temperatures, deformation mechanism maps for Mg alloys could be constructed. Excellent prediction capability of the maps was verified. at temperatures of 573K-673K.
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Collections - Graduate School > Materials Science and Engineering > 1. Journal Articles
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