Correlation Between Microstrain and Crystallite Size in Alumina

Abstract

Abstract: The evolution of microstrain and crystallite size in Al₂O₃ subjected to high-energy ball milling was studied by X-ray diffraction
analysis. As expected, the ball milling produced a noticeable increase in microstrain and a decrease of the original crystallite size. A mathematical
linear correlation between microstrain and the reciprocal of crystallite size was obtained, and double-n phenomenon was observed in the ε～ 1/D relationship. The
mechanism of microstrain increase for different milling period, which could be reflected from variation of the slope in the ε～ 1/D relationship, was suggested.

Key words: high energy ball milling, alumina, microstrain, crystallite size

CLC Number:

TQ133

LIU Xin-Kuan,MA Ming-Liang,XI Sheng-Qi,ZHOU Jing-En,XIE Qing-Yun. Correlation Between Microstrain and Crystallite Size in Alumina[J]. Journal of Inorganic Materials.

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Correlation Between Microstrain and Crystallite Size in Alumina

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