Shock-induced plasticity and fragmentation phenomena during alumina deposition in the vacuum kinetic spraying process

Title
Shock-induced plasticity and fragmentation phenomena during alumina deposition in the vacuum kinetic spraying process
Author
이창희
Keywords
Vacuum kinetic spraying (VKS) process; Shock wave; Ceramic plasticity; Fragmentation; Deposition mechanism
Issue Date
2015-04
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
SCRIPTA MATERIALIA, v. 100, Page. 44-47
Abstract
In a vacuum kinetic spraying system, plasticity and fragmentation have been considered as the main deposition mechanisms because the deposited layer exhibits a flattened morphology with nanosized grains. In this research, Al2O3 film was fabricated, and the microstructure was analyzed using Auto-dyn simulation to investigate the deposition mechanism. Plasticity was generated in a ceramic particle by shock loading, and the particle impact intensity affected the fragmentation behavior and consolidation of a previously deposited layer. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S1359646214005296http://hdl.handle.net/20.500.11754/23581
ISSN
1359-6462
DOI
10.1016/j.scriptamat.2014.12.008
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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