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B元素对Ti-46Al和Ti-46A1-5Nb(原子分数,%)合金的柱状晶组织均有明显的细化作用,且对后者的细化效果更显著.这一现象可归结为:B元素在Ti-46Al-5Nb合金中的溶解度较低,硼化物析出量增加,柱状晶组织进一步细化.
B元素对Ti-46Al和Ti-46Al-5Nb合金柱状晶组织的影响
【摘 要】
：
B元素对Ti-46Al和Ti-46A1-5Nb(原子分数,%)合金的柱状晶组织均有明显的细化作用,且对后者的细化效果更显著.这一现象可归结为:B元素在Ti-46Al-5Nb合金中的溶解度较低,硼化物
【机 构】
：
哈尔滨工业大学金属精密热加工国家重点实验室
【出 处】
：
金属学报
【发表日期】
：
2004年期
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