叶呈武,张绪虎,王亮,贾文军,郎泽保

• 1:航天材料及工艺研究所

摘要(Abstract)：

研究了二次热等静压(HIP)工艺对不同起始组织HIP态TC4合金显微组织的影响。结果表明,二次HIP主要通过扩散进行组织的致密化,致密化过程中形成等轴块状α相填充孔洞,同时原始致密组织中片状α相层片间距增大。与首次HIP相比,二次HIP的致密化过程相对较慢,孔隙尺寸较大体积分数高的初始组织,经二次HIP后会形成不均匀组织,为了获得细小均匀的致密组织,应尽量在首次HIP时完成致密化。

关键词(KeyWords)： 热等静压;钛合金;显微组织;致密化

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 叶呈武,张绪虎,王亮,贾文军,郎泽保

DOI: 10.13289/j.issn.1009-6264.2013.06.021

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