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一种具有密度梯度的飞片材料的制备

, PP. 37-40

Keywords: W-Mo-Ti,密度梯度,飞片材料

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Abstract:

本文作者使用Fe-Al烧结助剂,在1473K的热压烧结条件下成功制备出了整体致密、密度沿厚度方向呈特定分布的W-Mo-Ti体系密度梯度飞片材料。研究表明,低熔点Al的添加,使部分烧结助剂Fe以液态形式存在,提高了Fe的活化烧结能力。W-Mo,Mo-Ti合金的烧结均为液相烧结过程,W-Mo合金主要通过形成少量粘结相和液相来粘结W,Mo晶粒,而Mo-Ti合金则通过形成部分Mo-Ti固溶体来实现致密化。

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