Microstructure changes in the Ti-48 at. % Al-2 at. % Nb alloy upon various heat treatments

Physics of Metals and Metallography

Volumn 90, Issue 4, 2000, Pages 387-392

  Volkova, T V ^a   Melikhov, V D ^a   Roman'kov, S E ^a  

^a Physicotechnical Institute   (Kazakhstan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0034343348     PISSN: 0031918X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. Povarova, K.G. and Bannykh, O.A., The Principles of Creation of Structural Materials Based on Intermetallic Compounds, Materialovedenie, 1999, no. 2, pp. 29-37.
2. Barinov, V.I., Intermetallic Compounds, Prikl. Fiz., 1996, no. 4, pp. 33-61.
3. Bannykh, O.A., Braslavskaya, G.S., Povarova, K.B., and Rubina, E.B., On the Determination of Positions Taken by an Alloying Element in the Crystal Lattice of γ-TiAl, Izv. Ross. Akad. Nauk. Met., 1994, no. 6, pp. 134-141.
4. Povarova, K.B., Bannykh, O.A., Burov, I.V., Zavarzina, E.K., Titova, T.F., Zavarzin, I.I., and Ivanova, V.I., The Structure and Some Properties of Cast Alloys on the Base of TiAl Doped with V, Nb, Ta, Hf, Zr, Izv. Ross. Akad. Nauk, Met., 1998, no. 3, pp. 31-41.
5. Pol'kin, I.S., Kolachev, B.A., and Il'in, A.A., Titanium Aluminides and Related Alloys, Tekhnol. Legk. Splavov, 1997, no. 3, pp. 32-38.
6. Tian, H.H., Huang, Z., and Chen, C.Q., Stability of Lamellar Structure in a Ti-47.8 at. % Al Alloy, Scr. Metall. Mater., 1994, vol. 30, no. 2, pp. 165-168.
7. Takeyama, M., Kumagai, T., Nakamura, M., and Kikuchi, M., Cooling Rate Dependence of the α/γ Phase Transformation in Titanium Aluminides and Its Application to Alloy Development, Structural Intermetallics (1st Int. Symp. on the Structural Initermetallics), Warrendale, Pa.: The Metallurgized Society, 1993, pp. 167-170.
8. Shao, G., Tsakiropoulos, P., and Miodownik, A.P., Role of Nucleation in Phase Competition in Binary Ti-Al Alloys, Mater. Sci. Technol., 1997, vol. 13, no. 10, pp. 797-805.
9. McCullough, C., Valencia, J.J., Levi, C.G., and Mehrabian, R., Phase Equilibria and Solidification in Ti-Al Alloys, Acta Metall., 1989, vol. 37, no. 5, pp. 1321-1336.
10. Hall, E.L. and Huang S.-C., Microstructures of Rapidly Solidified Binary Ti-Al Alloys, Acta Metall. Mater., 1990, vol. 38, no. 4, pp. 539-549.
11. Kattner, U.R. and Boettinger, W.J., Thermodynamic Calculation of the Ternary Ti-Al-Nb System, Mater. Sci. Eng., A, 1992, vol. 152, pp. 9-17.
12. Li, Y.G. and Loretto, M.H., Microstructure Evolution of Ti-48Al-xNb γ Intermetallics, Acta Metall. Mater., 1994, vol. 42, no. 6, pp. 2009-2017.
13. 2, β, and γ Phase in Ternary Ti-Al-X Systems at Elevated Temperatures, Titanium'95: Science and Technology, 1995, pp. 294-301.
14. Nakamura, H., Takeyama, M., Yamabe, Y., and Kikuchi, M., Phase Equilibria in Ti-Al Alloys Containing 10 and 20 at. % Nb at 1473 K, Scr. Metall. Mater., 1993, vol. 28, no. 8, pp. 997-1002.
15. Chen, Z., Jones, I.P., Saunders, N., and Small, C.J., Characterization of Phase in Ti-42Al-8Nb Alloy at 1200°C, Scr. Metall. Mater., 1994, vol. 30, no. 11, pp. 1403-1408.
16. Kim, Y.-W., Microstructural Evolution and Mechanical Properties of a Forged Gamma Titanium Aluminide Alloy, Acta Metall. Mater., 1992, vol. 40, no. 6, pp. 1121-1134.
17. 2 Ti-Al-Based Alloys, Titanium'92: Sci. and Technol. (Proc. 7th World Titanium Conf.), San Diego, Calif., Warrendale, Pa., 1992, pp. 1017-1024.
18. Ramanujan, R.V. and Maziasz, P.J., The Mechanism of Formation of a Fine Duplex Microstructure in Ti-48Al-2Mn-2Nb Alloys, Metall. Mater. Trans. A, 1996, vol. 27, no. 6, pp. 1661-1673.
19. Valencia, J.J., McCullough, C., Levi, C.G., and Mehrabian, R., Solidification Microstructure of Supercooled Ti-Al Alloys Containing Intermetallic Phases, Acta Metall., 1989, vol. 37, no. 9, pp. 2517-2530.
20. Sudareva, S.V., Antonova, O.V, Boyarshinova, T.S., Greenberg, B.A., Romanov, E.A., and Shorokhov, E.V., Analysis of Heterophase Structures of Titanium Aluminides Prepared by the Spherical Shock-Wave Method: II. Electron-Microscopic Study of the TiAl Structure, Phys. Met. Metallogr., 1997, vol. 83, no. 6, pp. 633-639.
21. Melikhov, V.D. and Skakov, M.K., Radiatsionno-indutsirovannye prevrashcheniya intermetallidov (Irradiation-Induced Transformations of Intermetallic Compounds), Almaty: Nauka, 1996, p. 326.