以高纯钨粉、钛粉和TA2钛片为原料,分别采用液相烧结法和熔渗法制备了Ti含量为10%的W-Ti合金;测量了W-10%Ti合金的密度和杂质(C、N和O)含量,研究了不同方法制备的W-Ti合金的相组成和微观形貌.结果表明,熔渗法制备的W-Ti合金致密度达94%以上,相结构由含有较多富Ti相的固溶体β(W/Ti)组成;液相烧结的合金致密度为90%左右,组织相对均匀;两种方法制备的合金杂质(C、N和O)含量均较低.探讨了液相烧结制备W-10%Ti合金时固溶体扩散形成的机理.
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