Microstructural design and mechanical properties of a cast and heat-treated intermetallic multi-phase γ-TiAl based alloy

Intermetallics - Tập 44 - Trang 128-140 - 2014
Emanuel Schwaighofer1, Helmut Clemens1, Svea Mayer1, Janny Lindemann2,3, Joachim Klose3, Wilfried Smarsly4, Volker Güther5
1Department of Physical Metallurgy and Materials Testing, Montanuniversität Leoben, Roseggerstr. 12, A-8700, Leoben, Austria
2Chair of Physical Metallurgy and Materials Technology, Brandenburg University of Technology, Konrad-Wachsmann-Allee 17, D-03046 Cottbus, Germany
3GfE Fremat GmbH, Lessingstr. 41, D-09599 Freiberg, Germany
4MTU Aero Engines GmbH, Dachauer Str. 665, D-80995 Munich, Germany
5GfE Metalle und Materialien GmbH, Höfener Str. 45, D-90431 Nuremberg, Germany

Tóm tắt

Từ khóa


Tài liệu tham khảo

Tetsui, 2002, A newly developed hot worked TiAl alloy for blades and structural components, Scripta Materialia, 47, 399, 10.1016/S1359-6462(02)00158-6

Appel, 2000, Novel design concepts for gamma-base titanium aluminide alloys, Intermetallics, 8, 1283, 10.1016/S0966-9795(00)00036-4

Appel, 2003, γ-Titanium aluminide alloys: alloy design and properties, 89

Kestler, 2003, Production, processing and applications of γ-TiAl based alloys, 351

Kim, 2008

Clemens, 2011, Light-weight intermetallic titanium aluminides – status of research and development, Advanced Materials Research, 278, 551, 10.4028/www.scientific.net/AMR.278.551

Gaitzenauer, 2012, Eigenschaftsoptimiertes warmumformen einer intermetallischen Titanaluminid-Legierung, BHM Berg- Und Hüttenmännische Monatshefte, 157, 319, 10.1007/s00501-012-0024-9

Chladil, 2006, Charakterisierung einer β-erstarrenden γ-TiAl-Basislegierung, BHM, 151, 356

Clemens, 2008, Design of novel β-solidifying TiAl alloys with adjustable β/B2-phase fraction and excellent hot-workability, Advanced Engineering Materials, 10, 707, 10.1002/adem.200800164

Clemens, 2013, Design, processing, microstructure, properties, and applications of advanced intermetallic TiAl alloys, Advanced Engineering Materials, 15, 191, 10.1002/adem.201200231

Yoshihara, 1995, Effects of Nb addition on oxidation behavior of TiAl, Intermetallics, 3, 357, 10.1016/0966-9795(95)94254-C

Lin, 2011, Effect of Nb on oxidation behavior of high Nb containing TiAl alloys, Intermetallics, 19, 131, 10.1016/j.intermet.2010.08.029

Clemens, 2008, In and ex situ investigations of the β-phase in a Nb and Mo containing γ-TiAl based alloy, Intermetallics, 16, 827, 10.1016/j.intermet.2008.03.008

Wallgram, 2009, Technology and mechanical properties of advanced γ-TiAl based alloys, International Journal of Materials Research, 100, 1021, 10.3139/146.110154

Bartels, 1995, Microstructure and properties of Ti-48Al-2Cr after thermomechanical treatment, Materials Science and Engineering: A., 192-193, 226, 10.1016/0921-5093(94)03251-3

Appel, 2002, Forming, 617

Appel, 2011

Wallgram W, Clemens H, Schloffer M. Method for producing a component and components of a titanium-aluminum base alloy, patent application number 20110277891, 2011.

Wu, 2006, Review of alloy and process development of TiAl alloys, Intermetallics, 14, 1114, 10.1016/j.intermet.2005.10.019

Appel, 2004, Physical aspects of hot-working gamma-based titanium aluminides, Intermetallics, 12, 791, 10.1016/j.intermet.2004.02.042

Appel, 2004, Physical metallurgy of high Nb-containing TiAl alloys, Zeitschrift Fuer Metallkunde/Materials Research and Advanced Techniques, 95, 585

Takeyama, 2005, Physical metallurgy for wrought gamma titanium aluminides: microstructure control through phase transformations, Intermetallics, 13, 993, 10.1016/j.intermet.2004.12.014

Imayev, 2008, Microstructure and mechanical properties of the intermetallic alloy Ti–45Al–6(Nb, Mo)–0.2B, The Physics of Metals and Metallography, 106, 641, 10.1134/S0031918X08120132

Imayev, 2012, Microstructure and mechanical properties of low and heavy alloyed γ-TiAl + α2-Ti3Al based alloys subjected to different treatments, Intermetallics, 26, 91, 10.1016/j.intermet.2012.03.010

Imayev, 2006, New approaches to designing alloys based on γ-TiAl + α2-Ti3Al phases, The Physics of Metals and Metallography, 102, 105, 10.1134/S0031918X06070155

Imayev, 2008, Mechanical properties of the cast intermetallic alloy Ti–43Al–7(Nb, Mo)–0.2B (at %) after heat treatment, The Physics of Metals and Metallography, 105, 484, 10.1134/S0031918X08050098

Yang, 2003, Refining grain size of a TiAl alloy by cyclic heat treatment through discontinuous coarsening, Intermetallics, 11, 971, 10.1016/S0966-9795(02)00126-7

Schwaighofer, 2012, Influence of heat treatments on the microstructure of a multi-phase titanium aluminide alloy, Practical Metallography, 49, 124, 10.3139/147.110142

Cha, 2011, Microstructure evolution and mechanical properties of an intermetallic Ti–43.5Al–4Nb–1Mo–0.1B alloy after ageing below the eutectoid temperature, International Journal of Materials Research (Formerly Z Metallkd), 102, 703, 10.3139/146.110526

Schloffer, 2012, Microstructure development and hardness of a powder metallurgical multi phase γ-TiAl based alloy, Intermetallics, 22, 231, 10.1016/j.intermet.2011.11.015

Schloffer M, Rashkova B, Schoeberl T, Schwaighofer E, Zhang Z, Clemens H, Mayer S. Evolution of ωo-phase in a β-stabilized multi-phase TiAl alloy and its effect on hardness. 2013 Submitted to Acta Materialia.

Güther, 2001, Microstructure and defects in γ-TiAl based vacuum arc remelted ingot materials

Achtermann M, Fürwitt W, Guether V, Nicolai H.-P. Method for producing a γ-TiAl base alloy. Patent EP2010/064306, 2011.

Achtermann, 2011, Production of γ-TiAl based feed stock materials for subsequent investment casting and forging operations

Schmoelzer, 2011, The contribution of high-energy X-rays and neutrons to characterization and development of intermetallic titanium aluminides, Advanced Engineering Materials, 13, 685, 10.1002/adem.201000296

Saunders, 1999, Phase equilibria in multi-component γ-TiAl based alloys, 183

Schloffer, 2011, The characterisation of a powder metallurgically manufactured TNMTM titanium aluminide alloy using complimentary quantitative methods, Practical Metallography, 48, 594, 10.3139/147.110138

Clemens, 2008, Experimental studies and thermodynamic simulations of phase transformations in Ti-(41-45)Al-4Nb-1Mo-0.1B alloys, 115

Schloffer, 2011, Phase transitions and phase equilibria in the TiAl-Nb-Mo system

Hecht, 2008, Grain refinement by low boron additions in niobium-rich TiAl-based alloys, Intermetallics, 16, 969, 10.1016/j.intermet.2008.04.019

Burgers, 1934, On the process of transition of the cubic-body-centered modification into the hexagonal-close-packed modification of zirconium, Physica, 1, 561, 10.1016/S0031-8914(34)80244-3

Oehring, 2013, Microstructural refinement of boron-containing β-solidifying γ-titanium aluminide alloys through heat treatments in the β phase field, Intermetallics, 32, 12, 10.1016/j.intermet.2012.08.010

1970, 633

Watson, 2009, In situ characterization of a Nb and Mo containing γ-TiAl based alloy using neutron diffraction and high-temperature microscopy, Advanced Engineering Materials, 11, 932, 10.1002/adem.200900169

Schwaighofer, 2010

Lindemann J. Unpublished data, 2011.

McCusker, 1999, Rietveld refinement guidelines, Journal of Applied Crystallography, 32, 36, 10.1107/S0021889898009856

Stark, 2011, In situ observation of various phase transformation paths in Nb-rich TiAl alloys during quenching with different rates, Advanced Engineering Materials, 13, 700, 10.1002/adem.201000289

Schwaighofer E, Clemens H, Mayer S. Unpublished data 2009–2012.

Güther, 2010

Koeppe, 1993, General aspects of the thermomechanical treatment of two-phase intermetallic TiAl compounds, Metallurgical Transactions A, 24, 1795, 10.1007/BF02657854

Koeppe, 1995, Optimizing the properties of TiAl sheet material for application in heat protection shields or propulsion systems, Materials Science and Engineering: A., 201, 182, 10.1016/0921-5093(94)09754-2

Viswanathan, 1995, Processing, microstructure and tensile properties of a Ti-48 AT.% Al alloy, Scripta Metallurgica et Materialia, 32, 1705, 10.1016/0956-716X(95)00088-D

Appel, 1998, Microstructure and deformation of two-phase γ-titanium aluminides, Materials Science and Engineering: R: Reports, 22, 187, 10.1016/S0927-796X(97)00018-1

Lin, 1997, Thermal activation processes of tensile deformation in γ-TiAl alloy, Materials Science and Engineering: A., 239–240, 369, 10.1016/S0921-5093(97)00605-9

Appel, 1997, Thermally activated deformation mechanisms in micro-alloyed two-phase titanium amminide alloys, Materials Science and Engineering: A., 233, 1, 10.1016/S0921-5093(97)00043-9

Follansbee, 1988, A constitutive description of the deformation of copper based on the use of the mechanical threshold stress as an internal state variable, Acta Metallurgica, 36, 81, 10.1016/0001-6160(88)90030-2

Schloffer, 2013

Chatterjee, 2002, Creep behavior of γ-TiAl sheet material with differently spaced fully lamellar microstructures, Materials Science and Engineering: A., 329–331, 840, 10.1016/S0921-5093(01)01639-2

Dehm, 2006, Mechanical size-effects in miniaturized and bulk materials, Advanced Engineering Materials, 8, 1033, 10.1002/adem.200600153

Wang, 2000, Creep of a beta phase-containing TiAl alloy, Intermetallics, 8, 737, 10.1016/S0966-9795(00)00009-1