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Effect of Stain Rate on Microstructure Evolution and Compressive Deformation Behavior of High-Strength Aluminum Coating Materials Fabricated by the Kinetic Spray Process

Title
Effect of Stain Rate on Microstructure Evolution and Compressive Deformation Behavior of High-Strength Aluminum Coating Materials Fabricated by the Kinetic Spray Process
Author
이창희
Keywords
kinetic spray process; strain rate; compressive deformation; microstructure
Issue Date
2015-07
Publisher
JAPAN INST METALS
Citation
MATERIALS TRANSACTIONS, v. 56, no. 4, Page. 605-609
Abstract
The effects of strain rates on compressive deformation behavior and microstructure evolution of kinetic sprayed pure aluminum were investigated. The initial microstructure showed a highly deformed structure with high-dislocation density. This material exhibited higher yield strengths from 200 to 224 MPa with different strain rates and low strain rate sensitivity (0.012) compared to those of conventional pure aluminum. Strain softening occurred at lower strain rates, even at room temperature, and strain hardening at high strain rates.
URI
https://www.jstage.jst.go.jp/article/matertrans/56/4/56_M2014371/_articlehttp://hdl.handle.net/20.500.11754/26226
ISSN
1345-9678; 1347-5320
DOI
10.2320/matertrans.M2014371
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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