Journal
MATERIALS LETTERS
Volume 298, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.130003
Keywords
Titanium alloys; Equal-channel angular pressing (ECAP); Microstructure; Texture; Electron backscatter diffraction (EBSD)
Funding
- RFBR [20-38-70105]
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The microstructural characterization of the Ti-5.7Al-3.8Mo-1.2Zr-1.3Sn alloy after equal channel angular pressing (ECAP) showed that the spheroidization process was governed by the conventional boundary splitting mechanism, with a nearly-Burgers orientation relationship between the spheroidized a-and b phases. This suggests a high cooperation in slip activity between the phases.
In this work, electron backscatter diffraction (EBSD) was applied for microstructural characterization of the advanced Ti-5.7Al-3.8Mo-1.2Zr-1.3Sn alloy subjected to equalchannel angular pressing (ECAP). It was found that the spheroidization process induced by ECAP was governed by the conventional boundary splitting mechanism. The nearly-Burgers orientation relationship between the spheroidized a-and b phases was revealed. This intriguing result can be attributed to the very high cooperation in slip activity between the phases. (c) 2021 Elsevier B.V. All rights reserved.
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