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采用真空烧结方法,在不同烧结温度下制备Ti-Mo(9∶1)多孔合金,对材料的表面形貌和微观结构进行研究。结果表明,随着温度升高,样品由松散颗粒逐渐烧结形成多孔合金。高分辨透射电镜(HRTEM)观察发现,870和890℃烧结的样品中都有α相从β相中析出,同时还可以观察到β/βremain分解为β1+β2两相。随后的室温吸氢性能测试结果表明,大量β相的析出利于提高Ti-Mo样品的吸气性能。
Ti-Mo (9: 1) porous alloy was prepared by vacuum sintering at different sintering temperature, and the surface morphology and microstructure of the material were studied. The results show that as the temperature increases, the sample gradually sintered by the loose particles to form a porous alloy. High-resolution transmission electron microscopy (HRTEM) observation showed that α phase was precipitated from β phase in samples sintered at 870 ℃ and 890 ℃, and β / βremain was also observed to be β1 + β2 phase. Subsequent hydrogen absorption test results at room temperature showed that the precipitation of a large amount of β phase is conducive to improving the gettering performance of Ti-Mo samples.