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Interface modification of Al_(18)B_4O_(33)w/6061Al composite by CuO coating on whisker surface

Interface modification of Al_(18)B_4O_(33)w/6061Al composite by CuO coating on whisker surface
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摘要 Copper coating was deposited on the surface of aluminum borate whisker(denoted by Al18B4O33w) by an electroless plating method.The result of X-ray diffraction(XRD) of whisker sintered at 850 ℃ indicates that CuO peaks can be found clearly.This method was used to modify the interface properties of the Al18B4O33w reinforced 6061Al matrix composite.Scanning electron microscope(SEM) observation indicates that the uniform coating can be obtained on the whisker surface.Transmission electron microscope(TEM) observation indicates the brittle spinel product(MgAl2O4) between Al18B4O33w and 6061Al matrix,the structure continuity of the whisker are greatly destroyed after the squeeze-casting process and heat treatment.Although copper coating can not totally hinder the spinel reaction,it effectively constrains the spinel reaction and preserves the structure integrity of the Al18B4O33w. Copper coating was deposited on the surface of aluminum borate whisker(denoted by Al18B4O33w) by an electroless plating method.The result of X-ray diffraction(XRD) of whisker sintered at 850 ℃ indicates that CuO peaks can be found clearly.This method was used to modify the interface properties of the Al18B4O33w reinforced 6061Al matrix composite.Scanning electron microscope(SEM) observation indicates that the uniform coating can be obtained on the whisker surface.Transmission electron microscope(TEM) observation indicates the brittle spinel product(MgAl2O4) between Al18B4O33w and 6061Al matrix,the structure continuity of the whisker are greatly destroyed after the squeeze-casting process and heat treatment.Although copper coating can not totally hinder the spinel reaction,it effectively constrains the spinel reaction and preserves the structure integrity of the Al18B4O33w.
出处 《Rare Metals》 SCIE EI CAS CSCD 2007年第S1期46-50,共5页 稀有金属(英文版)
关键词 aluminum borate whisker aluminum matrix composite CuO coating interfacial reaction aluminum borate whisker aluminum matrix composite CuO coating interfacial reaction
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