黄志涛,锁红波,杨光,杨帆,董伟

• 1:北京航空制造工程研究所高能束流加工技术重点实验室

摘要(Abstract)：

利用电子束熔丝成形技术制备了TC18钛合金试样,研究了热处理工艺对TC18钛合金显微组织性能的影响。结果表明,经热等静压处理后,宏观组织为典型的沿堆积高度方向生长的粗大β柱状晶;β晶粒内部显微组织具有网篮状组织特征;片层状初生α相随着固溶温度升高而逐渐减少,固溶温度为830℃时全部消失;随固溶温度的升高,试样对应的显微硬度值增大;相同固溶处理条件下,随时效温度的升高,β转变组织中次生α相片层宽度明显增大,对应的显微硬度值降低。

关键词(KeyWords)： TC18钛合金;电子束熔丝成形;热处理;显微组织

Abstract:

Keywords:

基金项目(Foundation): 国家预研基金(51318030203)

作者(Author): 黄志涛,锁红波,杨光,杨帆,董伟

DOI: 10.13289/j.issn.1009-6264.2015.12.009

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