J Mater Sci Technol ›› 1998, Vol. 14 ›› Issue (2): 143-146.
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Guofa MT; Zhou LI; Shifan TIAN; Xanguo ZHAO and Zhiping LUO (Institute of Aeronautical Materials, Beijing 100095, China)Songyan ZENG and Qingchun LI(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)