Abstract
γ-based titanium aluminides are attractive candidate structural matèrials for a number of high temperature applications. Plasma arc melting of Ti-48Al, Ti-48Al-2Mn-2Nb and Ti-52Al alloys (all compositions in atomic percent) has been successfully carried out. The macrostructure resulting from the production of ingots, powder and tubes of these alloys is discussed and the impact of the macrostructure on mechanical property measurements in as-cast alloys is emphasized. The microstructure of these alloys can be altered significantly by heat treatment and diffusional and composition invariant phase transformations have been observed in these alloys. Continuous and discontinuous coarsening of the lamellar structure has also been studied. An outline of the systematics of the phase transformations in these alloys is presented.
| Original language | English |
|---|---|
| Title of host publication | Advances in Physical Metallurgy |
| Publisher | CRC Press |
| Pages | 232-239 |
| Number of pages | 8 |
| ISBN (Electronic) | 9781000944044 |
| ISBN (Print) | 9782884492102 |
| DOIs | |
| Publication status | Published - Jan 1 2023 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 1996 by OPA (Overseas Publishers Association). All rights reserved.
ASJC Scopus Subject Areas
- General Engineering
- General Materials Science