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In situ observation of texture evolution in Ti-10-2-3
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Raghunathan, S. L., Dashwood, R. J., Jackson, Martin, Vogel, Sven and Dye, David (2008) In situ observation of texture evolution in Ti-10-2-3. In: 15th International Conference on Textures of Materials (ICOTOM 15), Pittsburgh, PA, 1-6 June 2008. Published in: Ceramic Transactions, Vol.201 pp. 65-72. ISBN 9780470408353. doi:10.1002/9780470444214.ch7 ISSN 1042-1122.
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Official URL: http://dx.doi.org/10.1002/9780470444214.ch7
Abstract
The near-β titanium alloy. Ti-10V-2Fe-3AI (Ti-10-2-3). is often isothermally forged at 760 °C for aircraft landing gear applications. The microstructural development of this alloy has received much attention but the macrotextures and microtexturcs that evolve during forging have not been investigated to any great extent. The EBSD technique was used to determine the misorientation distributions between the subgrains at a strain of 0.8 and strain rates of 0.1 and 0.01 s-1 The measured distributions were found to be similar. with an average misorientation of 2.2". Time of fight neutron diffraction allowed the macrotexturc evolution to be studied. Interrupted testing was performed at 0.01 s-1 to a strain of 0.2. 0.4. and 0.6 and 0.8. It showed that the moderate cube macrotexture inherited from the parent material was converted into a moderate fibre texture. The major change occurred between strains of 0.4 and 0.6. The in situ synchrotron diffraction studies allowed the orientation evolution of individual grains to be characterised. for 0.1 s-1 a change in behaviour from dispersion of the crystal mosaic at low strains to convergence of the crystal mosaic at larger strains was observed. At lower strain rates. only convergence of the crystal mosaic was observed. These results appear to indicate a change in mechanism between deformation-controlled behaviour during the early stages of deformation and a strain rate of 0.1 -1 and diffusional. recovery-controlled behaviour lower strain rates and higher strains.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | Ceramic Transactions | ||||
Publisher: | John Wiley & Sons, Inc. | ||||
ISBN: | 9780470408353 | ||||
ISSN: | 1042-1122 | ||||
Book Title: | Applications of Texture Analysis | ||||
Official Date: | November 2008 | ||||
Dates: |
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Volume: | Vol.201 | ||||
Page Range: | pp. 65-72 | ||||
DOI: | 10.1002/9780470444214.ch7 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Reuse Statement (publisher, data, author rights): | cited By (since 1996) 0 | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 15th International Conference on Textures of Materials (ICOTOM 15) | ||||
Type of Event: | Conference | ||||
Location of Event: | Pittsburgh, PA | ||||
Date(s) of Event: | 1-6 June 2008 |
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