Hamzah, Esah and Kanniah, M. and Harun, Mohamad Kamal (2008) Effect of chromium addition on microstructure and creep strength of as-cast Ti-48Al alloy. Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 483-48 (1-2 C). 555 -559 . ISSN 0921-5093
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Official URL: http://dx.doi.org/10.1016/j.msea.2006.11.168
Abstract
The microstructure and creep behaviour of as-cast gamma titanium aluminide based alloys with nominal composition of Ti-48Al, Ti-48Al-2Cr and Ti-48Al-4Cr (at.%) were investigated. Constant load tensile creep tests were performed at temperature and stress of 800 °C and 150 MPa, respectively. Creep characteristics such as steady-state creep rate, time to 1% creep deformation, creep deformed microstructures and creep fracture was analysed. The effect of Cr addition on creep strength were analysed with respect to solid solution strengthening by Cr in y phase, formation of ß phase and comparison with the base binary Ti-48Al alloy.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | chromium, creep strength, microstructure, Ti-48Al |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Mechanical Engineering |
| ID Code: | 12550 |
| Deposited By: | Liza Porijo |
| Deposited On: | 08 Jun 2011 08:16 |
| Last Modified: | 25 Oct 2017 04:11 |
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