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| EFFECT OF SURFACE TREATMENTS OF SiC FIBER ON THE INTERFACE STRENGTH BETWEEN SiC FIBER AND AI MATRIX |
| ZHU Zuming; SHI Nanlin; WANG Zhongguang; LIANG Yong (State Key Laborato ry of Fatigue and Fracture for Materials; Institute of Metal Research; Chinese Acad emy of Sciences; Shenyang 110015) |
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Cite this article:
ZHU Zuming; SHI Nanlin; WANG Zhongguang; LIANG Yong (State Key Laborato ry of Fatigue and Fracture for Materials; Institute of Metal Research; Chinese Acad emy of Sciences; Shenyang 110015). EFFECT OF SURFACE TREATMENTS OF SiC FIBER ON THE INTERFACE STRENGTH BETWEEN SiC FIBER AND AI MATRIX. Acta Metall Sin, 1996, 32(9): 1003-1008.
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Abstract Acoustic emission(AE) behaviors of SiC_w /Al composites in which the surface of SiC fiber was and not treated by SiO_2 and C respectively, have been studied during tensile testing. The fiber strength and the interface shear strength between fiber and matrix have been measured by AE technique. It is found that the interface shear strength and the fiber fracture strength as well as the interface properties are sensitive to the surface treatments of fiber. The SiC_w / Al composite made of SiC treated by SiO_2 possesses the better interface properties, whereas, the composite made of SiC treated by C has the brittle interface.
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Received: 18 September 1996
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| 1OchiaiS,MurakamioY．JMaterSci,1979;14:8312OcbiaiS,MurakumioY．ZMetallk,1981;72:8273EvansAC,LuMC,SchmauderS,RuhleM．ActaMetall,1986;34:16434ChuaPS,PiggottMR．ComposSciTechnol,1985,22:335ChuaPS,PiggottMR．ComposSciTechnol,1985;22:1856NetraveliAN,TopoleskiLT,SachseWH,PhoenixSL,ComposSciTechnol,1989;35:137朱祖铭,石南林,王中光,梁勇．金属学报,1996;32(9):998 |
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