The effects of heat treatment on the microstructure and mechanical property of laser melting deposition γ-TiAl intermetallic alloys

Materials and Design

Volumn 31, Issue 4, 2010, Pages 2201-2210

  Qu, H P ^a   Li, P ^a   Zhang, S Q ^a   Li, A ^a   Wang, H M ^a  

^a BEIHANG UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

AFTER-HEAT TREATMENT; COLUMNAR GRAIN; CR ALLOYS; EFFECTS OF HEAT TREATMENT; FULLY LAMELLAR; HEAT-TREATED SPECIMENS; INTERMETALLIC ALLOYS; LASER MELTING DEPOSITION; LONGITUDINAL DIRECTION; MANUFACTURING PROCESS; MICROSTRUCTURE AND MECHANICAL PROPERTIES; ROOM TEMPERATURE; SEM; SUB-SURFACES; TEM; TENSILE ELONGATION; TENSILE FRACTURES; TIAL INTERMETALLIC ALLOY;

ALLOYS; CHROMIUM; CHROMIUM ALLOYS; FRACTURE; HEAT TREATMENT; LASER PULSES; LIGHT TRANSMISSION; MECHANICAL PROPERTIES; MICROSTRUCTURE; OPTICAL MICROSCOPY; SCANNING ELECTRON MICROSCOPY; STRESS-STRAIN CURVES; TENSILE STRENGTH; THERMAL EFFECTS; TITANIUM ALLOYS; TITANIUM COMPOUNDS; TRANSMISSION ELECTRON MICROSCOPY; VICKERS HARDNESS; X RAY DIFFRACTION;

ALUMINUM;

EID: 72749119219     PISSN: 02641275     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.matdes.2009.10.045     Document Type: Article

References (20)

1. Liu C.T., Schneibel J.H., Maziasz P.J., Wright J.L., and Easton D.S. Tensile properties and fracture toughness of TiAl alloys with controlled microstructures. Intermetallics 4 (1996) 429-440
2. Liu C.T., and Maziasz P.J. Microstructural control and mechanical properties of dual-phase TiAl alloys. Intermetallics 6 (1998) 653-661
3. Kim Y.W., Karthikeyan S., Viswanathan G.B., Gouma P.I., Vasudevan V.K., and Mills M.J. Mechanisms and effect of microstructure on creep of TiAl-based alloys. Mater Sci Eng A 329 (2002) 621-630
4. Novoselova T., Malinov S., and Sha W. Experimental study of the effects of heat treatment on microstructure and grain size of a gamma TiAl alloy. Intermetallics 11 (2003) 491-499
5. Yamaguchi M., Kishida K., Inui H., and Yao K.F. Plastic deformation of V- and Zr-alloyed PST TiAl in tension and compression at room temperature. Acta Metall Mater 43 (1995) 1075-1086
6. Sun Z.M., and Hashimoto H. Fabrication of TiAl alloys by MA-PDS process and the mechanical properties. Intermetallics 11 (2003) 825-834
7. Sun Z.M., Hashimoto H., Wang Q., Tada S., and Toshihiko A. Synthesis and consolidation of TiAl by MA-PDS process from sponge-Ti and chip-Al. Intermetallics 11 (2003) 63-69
8. Wen C.E., Yasue K., and Yamada Y. Fabrication of TiAl by blended elemental powder semisolid forming. J Mater Sci 36 (2001) 1741-1745
9. Jakob A., and Speidel M.O. Microstructure and tensile properties of TiAl compounds formed by reactive foil metallurgy. Mater Sci Eng A 189 (1994) 129-136
10. Zhang X.D., Brice C., Mahaffey D.W., Zhang H., Schwendner K., Evans D.J., et al. Direct laser deposition of alloys from elemental powder blends. Scripta Mater 44 (2001) 2419-2424
11. Wang H.M., Zhang L.Y., Li A., Cai L.X., and Tang H.B. Rapid solidification laser processing and forming of advanced aeronautical metallic materials. J Beijing Univ Aeronaut Astronaut 30 (2004) 962-967
12. McCullough C., Valencia J.J., Levi C.G., and Mehrabian R. Solidification microstructure of supercooled Ti-Al alloys containing intermetallic phases. Acta Metall Mater 37 (1989) 1321-1336
13. Griffith M.L., Schlienger M.E., Harwell L.D., Oliver M.S., Baldwin M.D., Ensz M.T., et al. Understanding thermal behavior in the LENS process. Mater Des 20 (1999) 107-113
14. Wang J.N., and Xie K. Refining of coarse lamellar microstructure of TiAl alloys by rapid heat treatment. Intermetallics 5 (2000) 545-548
15. Cao G.X., Fu L.F., Lin J.G., Zhang Y.G., and Chen C.Q. The relationships of microstructure and properties of a fully lamellar TiAl alloy. Intermetallics 5 (2000) 647-653
16. Koeppe C., Bartels A., Clemens H., Schretter P., and Glatz W. Optimizing the properties of TiAl sheet material for application in heat protection shields or propulsion systems. Mater Sci Eng A 201 (1995) 182-193
17. Gerling R., Bartels A., Clemens H., Kestler H., and Schimansky F.P. Structural characterization and tensile properties of a high niobium containing gamma TiAl sheet obtained by powder metallurgical processing. Intermetallics 12 (2004) 275-280
18. Kumpfert J., Kim Y.W., and Dimiduk D.M. Effect of microstructure on fatigue and tensile properties of the gamma TiAl alloy Ti-46.5Al-3.ONb-2.1Cr-0.2W. Mater Sci Eng A 192 (1995) 465-473
19. Gerling R., Schimansky F.P., Stark A., Bartels A., Kestler H., Cha L., et al. Microstructure and mechanical properties of Ti-45Al-5Nb + (0-0.5C) sheets. Intermetallics 16 (2008) 689-697
20. Liu C.T., Wright J.L., and Deevi S.C. Microstructures and properties of a hot-extruded TiAl containing no Cr. Mater Sci Eng A 329 (2002) 416-423