ELECTRON DIFFRACTION PATTERNS ANALYSIS OF PRECIPITATES IN LD₁₀ ALLOY

来源期刊：中国有色金属学报(英文版)1995年第3期

论文作者：Jin, Tounan Yin, Zhimin

文章页码：119 - 123

Key words：precipitate; simulated diffraction pattern; transformation matrix

Abstract: By means of the available crystal parameters of precipitates and the orientation relationships between the precipitates and the matrix in aluminium alloys, the diffraction patterns of all possible precipitates have been simulated, which agrees with experimental observations in LD₁₀ alloy. The method used was to transform the reciprocal lattice vectors g_p of the precipitate phases into unit normal vector on the matrix lattice, and to check up whether those g_p satisfy the Bragg condition and then to determine the locations of diffraction spots on the matrix diffraction pattern. The method is applicable to any system where the orientation relationships and lattice parameters of matrix and precipitate phase are known.