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논문 기본 정보

자료유형
학술저널
저자정보
Yong‑You Kim (Chosun University) Hee‑Soo Kim (Chosun University)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.25 No.2
발행연도
2019.1
수록면
465 - 472 (8page)

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The grain structure of a thin bronze slab produced by horizontal continuous casting was investigated using heat-transfercalculation and cellular automaton (CA). The composition of the bronze was Cu–22wt%Sn, which has been widely used inKorean history. The solid form of Cu–22wt%Sn was assumed as a single phase for simplicity. To simulate the macrostructureof the alloy, the heat transfer in the horizontal continuous casting was calculated as a steady-state one-dimensional lumpedsystem. The CA was used for simulating the grain structure. Since the temperature profile was in the steady state, the cellinformation was shifted along the casting direction at a rate of one cell per time step during the simulation. The grainswere nucleated at the slab surface and grown as columnar grains. The effects of the process parameters, such as initial melttemperature and casting speed, on the grain structure of the slab were investigated. It was found that the casting speed is acritical factor determining the angle between the columnar grains and the casting direction.

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