Acta Metallurgica Sinica (English Letters) ›› 1992, Vol. 5 ›› Issue (4): 269-271.
• Research paper • Previous Articles Next Articles
LI Pei'en Shanghai Jiaotong University,Shanghai,ChinaYE Baorui ZHANG Junshan WANG Fugang JIN Junze Dalian University of Technology,Dalian,China