Deformation of a Ti-Nb alloy containing α"-martensite and omega phases
Abstract
Microscopic deformation of a Ti-17at. %Nb alloy with high fractions of α"-martensite and ω phases was studied by in-situ synchrotron X-ray diffraction. Textures, phase fractions, individual lattice strains, and peak intensities during deformation were studied. It is found that, to accommodate the external tensile strain, some of the α" and ω grains were first transformed to the β-phase, which then continuously transformed to the α"-phase with chosen variants that effectively accommodate the deformation strain. Here, a strong (010)α" fiber texture was formed at the expense of the (001)α" and (111)α" fiber textures. Above 400 MPa applied stress, (110)α" deformation twinning was triggered with a simultaneous stress relaxation in the (110)α" family and a slight increase in its texture strength in the loading direction.
- Authors:
-
- Fort Wayne Metals Research Products Corp., Fort Wayne, IN (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1239623
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Applied Physics Letters
- Additional Journal Information:
- Journal Volume: 106; Journal Issue: 13; Journal ID: ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Cai, S., Schaffer, J. E., and Ren, Yang. Deformation of a Ti-Nb alloy containing α"-martensite and omega phases. United States: N. p., 2015.
Web. doi:10.1063/1.4916960.
Cai, S., Schaffer, J. E., & Ren, Yang. Deformation of a Ti-Nb alloy containing α"-martensite and omega phases. United States. https://doi.org/10.1063/1.4916960
Cai, S., Schaffer, J. E., and Ren, Yang. 2015.
"Deformation of a Ti-Nb alloy containing α"-martensite and omega phases". United States. https://doi.org/10.1063/1.4916960. https://www.osti.gov/servlets/purl/1239623.
@article{osti_1239623,
title = {Deformation of a Ti-Nb alloy containing α"-martensite and omega phases},
author = {Cai, S. and Schaffer, J. E. and Ren, Yang},
abstractNote = {Microscopic deformation of a Ti-17at. %Nb alloy with high fractions of α"-martensite and ω phases was studied by in-situ synchrotron X-ray diffraction. Textures, phase fractions, individual lattice strains, and peak intensities during deformation were studied. It is found that, to accommodate the external tensile strain, some of the α" and ω grains were first transformed to the β-phase, which then continuously transformed to the α"-phase with chosen variants that effectively accommodate the deformation strain. Here, a strong (010)α" fiber texture was formed at the expense of the (001)α" and (111)α" fiber textures. Above 400 MPa applied stress, (110)α" deformation twinning was triggered with a simultaneous stress relaxation in the (110)α" family and a slight increase in its texture strength in the loading direction.},
doi = {10.1063/1.4916960},
url = {https://www.osti.gov/biblio/1239623},
journal = {Applied Physics Letters},
issn = {0003-6951},
number = 13,
volume = 106,
place = {United States},
year = {Fri Apr 03 00:00:00 EDT 2015},
month = {Fri Apr 03 00:00:00 EDT 2015}
}
Web of Science
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Works referencing / citing this record:
Twinning behavior of orthorhombic-α” martensite in a Ti-7.5Mo alloy
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