EFFECT OF MILLING INTENSITY ON STRUCTURAL CHANGES OF MIXED Al-Fe-Ni POWDERS IN MECHANICAL ALLOYING PROCESS

来源期刊：中国有色金属学报(英文版)1996年第3期

论文作者：Liu Zuyan Liang Guoxian Wang Erde

文章页码：143 - 145

Key words：Al-Fe-Ni powder;　structural change;　milling intensity;　mechanical alloying

Abstract: Mixed elemental aluminium, nickel and iron powders in the composition of Al-4.9 Fe-4.9Ni were mechanically alloyed under various milling intensities. The results showed that milling causes refinement of the microstructure. The powders with grain size(GS) of the nanometer order were produced after milling. The increasing of ball to powder weight ratio(BPR) and rotational velocity(RV) accelerates the refinement of the grain and the particle of iron and nickel in aluminium matrix, and an approximate formula has been put forward according to the experimental results to quantitatively describe the change of GSversus BPR and RV.