Feasibility of semi-solid die casting of ADC12 aluminum alloy

被引：33

作者：

Janudom, S. ^{[1
]}

Rattanochaikul, T. ^{[1
]}

Burapa, R. ^{[2
]}

Wisutmethangoon, S. ^{[3
]}

Wannasin, J. ^{[1
]}

机构：

[1] Prince Songkla Univ, Fac Engn, Dept Min & Mat Engn, Hat Yai 90112, Songkhla, Thailand

[2] Rajamangala Univ Technol Srivijaya, Fac Engn, Dept Ind Engn, Songkhla 90000, Thailand

[3] Prince Songkla Univ, Fac Engn, Dept Mech Engn, Hat Yai 90112, Songkhla, Thailand

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2010年 / 20卷 / 09期

关键词：

ADC12 aluminum alloys; semi-solid die casting; gas induced semi-solid (GISS); rheocasting; DEFECTS; PARAMETERS; POROSITY;

D O I：

10.1016/S1003-6326(09)60370-8

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The feasibility of semi-solid die casting of ADC12 aluminum alloy was studied. The effects of plunger speed, gate thickness, and solid fraction of the slurry on the defects were determined. The defects investigated are gas and shrinkage porosity. In the experiments, semi-solid slurry was prepared by the gas-induced semi-solid (GISS) technique. Then, the slurry was transferred to the shot sleeve and injected into the die. The die and shot sleeve temperatures were kept at 180 degrees C and 250 degrees C, respectively. The results show that the samples produced by the GISS die casting give little porosity, no blister and uniform microstructure. From all the results, it can be concluded that the GISS process is feasible to apply in the ADC12 aluminum die casting process. In addition, the GISS process can give improved properties such as decreased porosity and increased microstructure uniformity.

引用

页码：1756 / 1762

页数：7

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