1. Y. Kang, W. Mao and Z. Hu: The theory and technology in semi-solid process of metal materials, (Chinese), Science Press (2004), p.242.
2. W. Mao.: Semi-solid forming technology, (Chinese), Mechanical Industry Press (2004), pp.4-6.
3. H. Zhang: Study on the technique and simulation of thixo-forming of Aluminum alloy, (Chinese), Doctoral dissertation of Shanghai University, Oct. (2003), pp.85-90.
4. HITACHI Co. Ltd.: Manual of ADSTEAN, (Japanese, 2005), pp.1-2.
5. Japan Foundry Engineering Society: The handbook for foundry engineering, (Japanese, MARUZEN Press, Tokyo, 2002).