The splat boundary coalescence fraction of electric arc spray formed low carbon steel (Fe-0.06%C steel)

Title
The splat boundary coalescence fraction of electric arc spray formed low carbon steel (Fe-0.06%C steel)
Authors
석현광P.S. Grant이재철이호인
Keywords
electric arc spray forming; microscopic model; thermal condition; splat boundary coalescence; Fe-0.06%C steel
Issue Date
2000-11
Publisher
대한금속 . 재료학회지; Journal of the Korean Institute of Metals and Materials
Citation
VOL 38, NO 8, 1084-1092
Abstract
During the electric arc spray forming(EASF) including Osprey forming, thermal spray forming and plasma spray forming, critical is the thermal condition of the deposit, especially at the deposition domain (footprint), where droplets impinge on a substrate or surface to form a deposit. Many experimentals show that the microstructure of the deposit depends on the thermal conditions at the footprint. In thin paper, microscopic model was presented to describe the splat boundary coalescence at the footprint, which estimates the fractional quantity of splat boundary coalescence at the footprint under the assumptions of average droplet size impinging on the deposit surface. This model was adopted to describe the microstructural evolution of the Fe-0.06%C steel ring EAS formed with a law substrate rotation velocity. The contents of splat boundary coalescence of the deposit, EAS formed on the substrate with a high rotation velocity or on the stationary substrate, were also estimated using the quantitative model.
URI
http://pubs.kist.re.kr/handle/201004/13332
ISSN
1738-8228
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KIST Publication > Article
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