Semi-solid gravity sand casting using gas induced semi-solid process

来源期刊:中国有色金属学报(英文版)2010年第z3期

论文作者:T. CHUCHEEP R. BURAPA S. JANUDOM S. WISUTMETHANGOON J. WANNASIN

文章页码:981 - 987

Key words:gravity sand casting; semi-solid sand cast; Al7Si0.3MgFe; gas induced semi-solid

Abstract: The semi-solid metal forming using high pressures has been applied for several years. In contrast, low pressure casting, such as gravity sand casting, has not been widely studied even though it may help reduce porosity defects and offer a better casting yield. A semi-solid gravity sand casting process using the Gas Induced Semi-Solid process was investigated. The results show that the process can produce complete parts with no observable defects. The ultimate tensile strength and elongation data of semi-solid cast samples are higher than those of the liquid cast samples. In addition, the semi-solid sand casting process gives a better casting yield. It can be concluded that the semi-solid sand casting of an aluminum alloy using the GISS process is a feasible process.

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