沿Ti9(Ni,Co)4-Zr变电子浓度线设计系列合金成分,用吸铸方法可制备出Ti-Zr-(Ni,Co)准晶,其中Ti42Zr40(Ni,Co)18为形成准晶的最佳成分点,Ti-Zr-(Ni,Co)伪三元准晶系列的准点阵常数介于0.506～0.518nm之间.实验结果表明,Co是形成准晶的不利组元,其含量的增加将促使Ti2Ni、fcc-Zr2Ni和β-Zr(Ti)固溶相的形成,使合金中准晶相的含量大为降低;但适量Si的加入(～2 at%)能促进Ti-Zr-(Ni,Co)准晶的形成.
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