Acta Metallurgica Sinica (English Letters) ›› 1999, Vol. 12 ›› Issue (4): 566-572.
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B.Z. Li1) ,Y.P. Song1) ,K.U. Kainer2) , H. Zhang3) , J.P.Xie1) and R.Xiang4) 1) Department of Materials Engineering ,Luoyang Institute of Technology ,Luoyang 471039 ,China2) Institute of Material Science and Technology ,TU Clausthal,D 38678 Clausthal Zellerfeld ,Germany 3) Institute of Mechanicaland Electrical Engineering ,Zengzhou University,Zengzhou 450052 ,China 4) Luoyang Steeland Iron Group Corp ,Luoyang 471023 ,China