1. Zhang Yongzhong, Zhang Kui, Fan Jianzhong, et al. Special Casting & Nonferrous Alloys, 1999, 3: 54~57. In Chinese.
2. Bai fang, Gong Zhongsheng. Modern Components, 2011, 12: 48~51. In Chinese.
3. Ruden TJ, Albright DL. Advanced Materials & Processes, 1998, 145(6): 28~32.
4. K.H. Ma. Beijing: Science Press, 1999, 120.
5. Liu Zuoshi, Xie Xuhong. Light Metals, 1999(1):55. In Chinese.