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Microstructural and Performance Analysis of (TiAl)_95-xCu₅Ni_x Coatings Prepared via Laser Surface Cladding on Ti-6Al-4V Substrates. [PDF]

Materials (Basel)
Jia W, Song X, Zhu Y, Jiang D, Liu M, Ji Y, Zhou D, Wang Y.   +7 more
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Advanced Intermetallic TiAl Alloys

Materials Science Forum, 2016
Challenging issues concerning energy efficiency and environmental politics require novel approaches to materials design. A recent example with regard to structural materials is the emergence of lightweight intermetallic TiAl alloys. Their excellent high-temperature mechanical properties, low density, and high stiffness constitute a profile perfectly ...
Helmut Clemens, Svea Mayer
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Cyclic-oxidation behavior of TiAl and of TiAl alloys

Oxidation of Metals, 1993
The cyclic-oxidation behavior of (in w/o) Ti-36Al, Ti-35Al-0.1C, Ti-35Al-1.4V-0.1C and Ti-35Al-5Nb-0.1C was studied between 800 and 1000° C in air. A few experiments were also performed in oxygen. Scale spallation after oxidation in air occurs during cooling on TiAl, TiAl-C, and TiAl-V at or close to the metal/scale interface when a critical scale ...
S. Becker, M. Sch�tze, A. Rahmel
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Crystal growth of TiAl alloys

Intermetallics, 1998
Abstract The growth of TiAl alloys over a range of Al concentrations has been considered for ingots processed by the floating zone technique. For Al-rich alloys, single crystals of γ-TiAl cannot be grown for compositions below Ti-54 at% Al since a banded microstructure forms due to the limitations imposed by the L + α → γ peritectic reaction. However,
D.R. Johnson, H. Inui, M. Yamaguchi
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Forming of γ-TiAl-Alloys

MRS Proceedings, 1992
The forging and rolling behavior of binary Ti-48Al and ternary Ti-48Al-2Cr (at-%) on laboratory and industrial scale is investigated. Arc-melted and cast ingots are used for forging operations. In order to enable the determination of optimized forging and rolling conditions the plastic flow behavior was examined for low ( −2 s −1 ) and high (1 s −1 ...
K. Wurzwallner, H. Clemens, P. Schretter, A. Bartels, C. Koeppe   +4 more
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Mechanical Properties of TiAl and TiAl-Base Alloys

1996
Titanium forms three intermetallic compounds with aluminum. They are Ti3AI, TiAl and Al3Ti with crystal structures of the DO19, L10 and D022 types, respectively. They are superlattice structures based on geometrically close-packed h.c.p. and f.c.c. structures.
Kyosuke Kishida, Shigenobu Yokoshima, David R. Johnson, Haruyuki Inui, Masaharu Yamaguchi   +4 more
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Superconductivity of α-TiAl alloys

Physica C: Superconductivity, 2000
Abstract The superconducting transition temperature Tc of α TiAl alloys has been measured up to 10 atomic percentage of Al. Tc monotonously increases with a tendency to saturation for high Al content.
Liu Shumei, Jing Xiunian, Lu Li, Li Shanlin, J.J. Lin, Zhang Dian-lin   +5 more
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Isothermal oxidation of TiAl alloy

Metallurgical and Materials Transactions A, 2001
Isothermal oxidation behavior of Ti-48.6 at. pct Al alloy was studied in pure dry oxygen over the temperature range 850 °C to 1000 °C. The oxidation was essentially parabolic at all temperatures with significant increase in the rate at 1000 °C. Effective activation energy of 404 kJ/mol was deduced. The oxidation products were a mixture of TiO2 (rutile)
R. G. Reddy, X. Wen, M. Divakar
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