Deformability and microstructure transformation of PM TiAl alloy prepared by pseudo-HIP technology

Transactions of Nonferrous Metals Society of China (English Edition)

Volumn 20, Issue 4, 2010, Pages 547-552

  Zhang, Wei ^a   Liu, Yong ^a   Liu, Bin ^a   Li, Hui Zhong ^a   Tang, Bei ^a  

^a CENTRAL SOUTH UNIVERSITY   (China)

Author keywords

Deformability; Microstructure; Powder metallurgy; Pseudo hot isostatic pressing; Titanium aluminides

Indexed keywords

COMPRESSION STRAIN; COMPRESSION TEMPERATURE; DEFORMABILITY; DEFORMATION PROPERTIES; DUPLEX MICROSTRUCTURES; ELEVATED TEMPERATURE; FULLY LAMELLAR; HIGH-QUALITY PRODUCTS; HOT DEFORMATION; MATRIX DEFORMATION; MECHANICAL TWINNING; MICROSTRUCTURE TRANSFORMATIONS; POWDER PARTICLES; PRE-ALLOYED POWDER; PRESSING TEMPERATURE; SINTERING TEMPERATURES; TIAL ALLOY; TITANIUM ALUMINIDES;

ALLOYS; ALUMINUM POWDER METALLURGY; CHROMIUM; DEFORMATION; HIGH TEMPERATURE ENGINEERING; METALLURGY; MICROSTRUCTURE; SINTERING; STRAIN RATE; TITANIUM; TITANIUM ALLOYS; TITANIUM COMPOUNDS;

HOT ISOSTATIC PRESSING;

EID: 77955383411     PISSN: 10036326     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1003-6326(09)60176-X     Document Type: Article

References (15)

1. CT LIU, YW KIM RT environmental embrittlement in a TiAl alloy [J] Scripta Metall 27 1992 599 603
2. Y LIU, BY HUANG, YH HE, JN WANG Investigation on the microstructure homogenization in a TiAl based alloy prepared by elemental powder metallurgy [J] J Mater Sci Technol 15 1999 527 530
3. U HABEL, BJ McTIERNAN HIP temperature and properties of a gas-atomized γ-titanium aluminide alloy [J] Intermetallics 12 2004 63 68
4. YH WANG, JP LIU, YH HE, YL WANG, GL CHEN Microstructures and mechanical properties of Ti-45Al-8.5Nb-(W, B, Y) alloy by SPS-HIP [J] Mater Sci Eng A 489 2008 511 517
5. G WEGMANN Temperature induced porosity in hot isostatically pressed gamma titanium aluminide alloy: Powders [J] Acta Mater 51 2003 741 752
6. LM HSIUNG, TG NIEH Microstructures and properties of powder metallurgy TiAl alloys [J] Mater Sci Eng A 364 2004 1 10
7. YH WANG, JP LIN, YH HE, YL WANG, GL CHEN Fabrication and SPS microstructures of Ti-45Al-8.5Nb-(W, B, Y) alloying powders [J] Intermetallics 16 2008 215 224
8. K TAGUCHI, M AYADA Near-net shape processing of TiAl intermetallic compounds via pseudo HIP-SHS route [J] Intermetallics 3 1995 91 98
9. X ZAN, Y WANG, YM XIA, YH HE Strain rate effect on the tensile behavior of duplex Ti-46.5Al-2Nb-2Cr intermetallics at elevated temperatures [J] Mater Sci Eng A 498 2008 296 301
10. L ZHAO, J BEDDOES, D MORPHY, W WALLACE Effect of HIP conditions on the microstructure of a near γ-TiAl+W powder alloy [J] Mater Manuf Process 9 1994 695 707
11. ZM SUN, H HASHIMOTO Fabrication of TiAl alloys by MA-PDS process and the mechanical properties [J] Intermetallics 11 2003 825 834
12. MA MORRIS-MUÑOZ, DG MORRIS Microstructure evolution leading to high strains during high temperature deformation of a Ti-Al intermetallic [J] Intermetallics 7 1999 1069 1079
13. DS XU, W HAO, Y RUI, V PATRICK Molecular dynamics investigation of deformation twinning in γ-TiAl sheared along the pseudo-twinning direction [J] Acta Materialia 56 2008 1065 1074
14. S BYSTRZANOWSKI, A BARTELS, H CLEMENS, R GERLING Characteristics of the tensile flow behavior of Ti-46Al-9Nb sheet material - Analysis of thermally activated processes of plastic deformation [J] Intermetallics 16 2008 717 726
15. A DLOUHY, K KUCHAOVÁ, J BEZINA Dislocation slip and deformation twinning interplay during high temperature deformation in γ-TiAl base intermetallics [J] Mater Sci Eng A 319/321 2001 820 826