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Formation of Deformation-Induced Products in a Metastable β-titanium Alloy during High Temperature Compression
Bibliographic Information
- Published
- 2018-01-22
- DOI
-
- 10.20944/preprints201801.0204.v1
- 10.3390/met8020100
- Publisher
- MDPI AG
Description
<jats:p>A metastable β-Ti alloy, Ti–10V–3Fe–3Al (wt.%), was subjected to thermos-mechanical processing including the compression test at 725°C, which is below the β transus temperature (780°C), and at strain rate of 10-3s-1. The presence of phases was determined using transmission electron microscopy and X-ray diffraction. Although the dynamic recovery took place together with slip, both deformation-induced α˝ martensite and ω were detected as other operating mechanisms for the first time in metastable-β Ti alloys deformed in α+β region. The volume fraction of stress-induced α˝ was higher than that of the same alloy deformed at room temperature due to higher strain applied. Stress-induced twinning was not operational, which could be related to the priority of slip mechanism at high temperature resulted from thermally-assisted nucleation and lateral migration of kink-pairs.</jats:p>
Journal
-
- Metals
-
Metals 8 100-, 2018-01-22
MDPI AG
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Keywords
- Mining engineering. Metallurgy
- metallurgy
- TN1-997
- high temperature deformation
- metastable-β titanum alloy
- Science and Technology Studies
- slip
- X-ray diffraction
- Engineering
- 669
- stress-induced α”martensite
- transmission electron microscopy
- stress-induced ω
- metastable-β titanum alloy; high temperature deformation; stress-induced ω; stress-induced α”martensite; transmission electron microscopy; slip; X-ray diffraction
Details 詳細情報について
-
- CRID
- 1873398392576689408
-
- ISSN
- 20754701
-
- Data Source
-
- OpenAIRE
