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《Acta Materiae Compositae Sinica》 2001-04
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DU Xin kang, WANG Jian jiang, ZHAO Zhong min, YE Ming hui, WEN Jin hua, ZHANG Long (Ordnance Engineering College, Advanced Material Institute, Shijiazhuang 050003,China)  
Based on gravitational separation thermit(G T) self propagating high temperature synthesis(SHS) technique, ceramic lined composite gun pipes respectively with the base of 20 carbon steel, Cr25Ni20 heat resisting steel and 1Cr18Ni9Ti stainless steel were produced. It was obtained that interface bonding between metal and ceramics in composite gun pipes was mainly achieved with mechanical combination. In 1Cr18Ni9Ti composite pipes, except for stronger interlocking, solution and infiltration bond type was formed to some extent due to accumulation at the interface and spreading to the ceramic layer of Ti element. After use in industry, the bonding mechanism in 1Cr18Ni9Ti composite pipe had been gradually transferred to diffusion bonding, and tendency of partial interface reaction bonding was presented as results of Ti and C element accumulating at the interface area, intermediate areas between ceramics and metal being widened and TiC new phase in ceramics appearing. While it remained mechanical combination at interface of 20 carbon steel and Cr25Ni20 steel composite pipes.
【Fund】: 国家自然科学基金资助项目 ( 5 9972 0 43)
【CateGory Index】: TB39
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