In Situ Synchrotron Radiation Study of TiH2-6Al-4V and Ti-6Al-4V: Accelerated Alloying and Phase Transformation, and Formation of an Oxygen-Enriched Ti4Fe2O Phase in TiH2-6Al-4V

被引：0
|
作者：
Ming Yan
M. S. Dargusch
C. Kong
J. A. Kimpton
S. Kohara
M. Brandt
M. Qian
机构：
[1] RMIT University,Centre for Additive Manufacturing, School of Aerospace, Mechanical and Manufacturing Engineering
[2] The University of Queensland,Queensland Centre for Advanced Materials Processing and Manufacturing
[3] University of New South Wales,Electron Microscopy Unit
[4] Australian Synchrotron,undefined
[5] SPring-8/JASRI,undefined
来源：
Metallurgical and Materials Transactions A | 2015年 / 46卷
关键词：
Powder Metallurgy; Powder Mixture; Al3Ti; High Heating Rate; Titanium Hydride;
D O I：
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中图分类号：
学科分类号：
摘要：
In situ heating, synchrotron radiation X-ray diffraction has been used to study the alloying and phase transformation behavior of TiH2-6Al-4V and Ti-6Al-4V alloys. Accelerated alloying and phase transformation were observed in the powder compact of the TiH2-6Al-4V alloy subjected to a high heating rate. In addition, an oxygen-stabilized Ti4Fe2O phase, which is present as sub-micron or nanoscaled particles, has been identified in the TiH2-6Al-4V alloy. The implications of these experimental findings have been discussed in terms of alloying, improved densification and oxygen scavenging in titanium and titanium alloys.
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页码：41 / 45
页数：4
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