1. M. German,Powder Injection Molding, Metal Powder Industries Federation, Princeton, NJ (1990).
2. Y. M. Li, Q. Xuanhui, H. Baiyun, and Q. Guanghan,Trans. Nonferrous Met. Soc. China 7, 103 (1997).
3. R. P. Koseskia, P. Suria,et al., Mater. Sci. Eng. A 390, 171 (2005).
4. Y. M. Li, X. H. Qu, L. Zhilin, and H. Baiyun,Trans. Nonferrous Met. Soc. China 8, 576 (1998).
5. Y. M. Li, Q. X. Hui, and H. Baiyun,Ph.D. Thesis, Powder Metallurgy Institute, Central South University, Changsha, Human, P. R. China (1998).