Deformation properties of AlTi{sub 2}C particle containing Ti-46Al-2Cr-2Nb alloys at 1,000 to 1,200 K
Journal Article
·
· Scripta Metallurgica et Materialia
- Max-Planck-Inst. fuer Metallforschung, Stuttgart (Germany). Inst. fuer Werkstoffwissenschaft
- Marko Materials Inc., North Billerica, MA (United States)
This paper reports the 1,000--1,200 K slow plastic deformation properties of TiC-modified Ti-48Al-2Cr-2Nb materials and compares their values with those of other TiAl-based alloys. Ti-46Al-2Cr-2Nb has been alloyed with TiC in an attempt to improve the 1,000--1,200 K strength by the formation of AlTi{sub 2}C precipitates in a lamellar matrix. While the addition of 6 wt.% TiC does improve strength under lower temperature or faster test conditions, at higher temperatures or lower strain rates the base Ti-46Al-2Cr2Nb alloy has better properties than the TiC modifications.
- OSTI ID:
- 116080
- Journal Information:
- Scripta Metallurgica et Materialia, Journal Name: Scripta Metallurgica et Materialia Journal Issue: 9 Vol. 33; ISSN SCRMEX; ISSN 0956-716X
- Country of Publication:
- United States
- Language:
- English
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