he effect of Al content on chromaticity of 18K Au-Cu-Al cast alloy has been studied by adopting of modern chromaticity system and X-ray analyse. It is found that Al content changes the color of Au-Cu-Al alloy. and play the role of bleaching.
殷京瓯,郑汉,黄拔帆. Al对18K Au－Cu－Al铸态合金色度的影响[J].稀有金属材料与工程,1996,(1).[Yin Jingou, Zhen Han, Huang Bafan. Effect of Al Content on Chromaticity of 18K An-Cu-Al Cast Alloy[J]. Rare Metal Materials and Engineering,1996,(1).] DOI：[doi]