Micro-process of Cube Texture Formation in High Purity Electronic Aluminum Foils
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摘要: 采用EBSD微取向分析方法,通過分析高純鋁箔冷軋后退火的再結晶初期立方取向晶核的形成過程及立方取向晶粒的長大行為,探討了高純鋁箔中立方織構形成的微觀過程.結果表明,在高純鋁箔軋制基體上沒有發現立方取向{001}<100>的晶核優先形成,但是再結晶完成以后卻會出現較強的立方織構,因此高純鋁箔立方織構的形成主要是借助于立方取向晶粒的取向生長機制實現的.立方取向晶核容易在S取向{123}<634>的形變晶粒之間產生.Abstract: The micro-process of cube texture formation in high purity electronic aluminum foils was investigated by EBSD (Electron Back Scattering Diffraction) technique in StM and the related analysis of crystal orientation. The nucleation and growth behavior of cube orientation grains in the early stage of recrystallization were discussed and analyzed during the annealing of cold rolled aluminum foils. The results show that the nuclei of cube orientation {001}<100> are not frequently observed in the rolled matrix, however, high purity aluminum foils hold strong cube texture after recrystallization. Cube texture formation abides by the mechanism of preferred growth, and the nuclei of cube orientation frequently form in the deformed matrix with S orientation grains {123}<634>.
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Key words:
- high purity aluminum foil /
- cube texture /
- EBSD /
- recrystallization
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