Acta Metallurgica Sinica (English Letters) ›› 1990, Vol. 3 ›› Issue (10): 252-257.
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JIANG Guochang XU Kuangdi DENG Jianxiong Shanghai University of Technology,Shanghai,ChinaGUO Zhancheng GUAN Yulong Beiiing University of Science and Technology,Beijing,China Jiang Guochang Associate Professor,The Institute of Metallurgy and Materials,Shanghai University of Technology,Shanghai 200072,China