STRUCTURAL TRANSFORMATION AND ITS REVERSIBILITY IN LIQUID Al-13%Si ALLOY AT HIGH TEMPERATURES

来源期刊：中国有色金属学报(英文版)1998年第2期

论文作者：Wang Weimin Bian Xiufang Qin Jingyu Ye Yifu S. I. Sljusarenko

文章页码：230 - 234

Key words：Al-13%Si alloy;　structural transformation;　X-ray diffraction analysis

Abstract: Using high temperature X-ray diffraction analysis, the liquid structures of Al-13%Si alloy at 625~1 250℃ on heating and those at 675℃ after overheating of various temperatures were presented. It is shown that the atomic density and coordination number of the melt increased slightly at first, then decreased greatly at 775~875℃. The liquid structure of the melt at 675℃ and the morphology of the solidified alloy had no obvious change after overheating at various temperatures. These results indicate that structural transformation happens in liquid Al-13%Si and it is reversible.