J Mater Sci Technol ›› 1998, Vol. 14 ›› Issue (2): 188-190.
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Hong LU;Tiancheng ZHANG and Wuyng CHU(Dept. of Material Physics, University of Science & Technology Beijing, 100083 Beijing, China)Wanxu ZHU; Xunqing SHI and Baochen LIU( Dept. of Surface Science & Corrosion Engineering, University of Science & Technology