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Processing titanium aluminide foils
JOM, 1989In an effort to extend the available manufacturing technologies for Ti3Albase aluminides, the potential success of a new hot-rolling process for the production of high-quality foils has been investigated. Processing of Super-α2 aluminide foils approximately 0.15 mm thick takes full advantage of the combined benefits of controlled rolling and a unique ...
Corrado Bassi +2 more
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JOM, 1995
The first international symposium on gamma titanium aluminides (ISGTA) was held in conjunction with the TMS `95 Annual Meeting, 13--16 February 1995, Las Vegas, under the sponsorship of the TMS Structural Materials Division--Titanium Committee. The selected papers cover almost the entire aspects of the current gamma technology such as fundamentals ...
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The first international symposium on gamma titanium aluminides (ISGTA) was held in conjunction with the TMS `95 Annual Meeting, 13--16 February 1995, Las Vegas, under the sponsorship of the TMS Structural Materials Division--Titanium Committee. The selected papers cover almost the entire aspects of the current gamma technology such as fundamentals ...
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Gamma Titanium Aluminide Alloys
2011Preface INTRODUCTION CONSTITUTION The Binary Ti-Al Phase Diagram Ternary and Multicomponent Alloy Systems THERMOPHYSICAL CONSTANTS Elastic and Thermal Properties Point Defects Diffusion PHASE TRANSFORMATIONS AND MICROSTRUCTURES Microstructure Formation on Solidification Solid State Transformations DEFORMATION BEHAVIOR OF SINGLE-PHASE ALLOYS Single ...
Fritz Appel +2 more
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Oxidation subscale of γ-titanium aluminide
Acta Materialia, 1996The subscale formed during high temperature rapid oxidation of gamma-titanium aluminum is revealed by transmission electron microscopy and microanalysis to consist of two phases: one hexagonal with unit cell dimensions a = 0.58 nm, c = 0.47 nm (+/- 0.005 nm), and a composition close to Ti6Al3O4; the other simple cubic with a = 0.69 nm (+/-0.005 nm) and
Beye, R. +3 more
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Twin toughening in titanium aluminide
Acta Metallurgica et Materialia, 1991Abstract The mechanical behavior of a γ-TiAl that exhibits mechanical twinning has been investigated. This material has been shown to have a relatively high toughness compared with that of other γ-TiAl materials, which do not twin. The tough material forms a wide twin process zone upon crack propagation.
H.E. Dève, A.G. Evans
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Materials & Design, 1991
Abstract Trials at TWI have demonstrated means of joining titanium aluminides, materials which are arousing considerable interest in the aerospace industry for use in gas-turbine engines and in high-performance military airframes.
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Abstract Trials at TWI have demonstrated means of joining titanium aluminides, materials which are arousing considerable interest in the aerospace industry for use in gas-turbine engines and in high-performance military airframes.
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Advanced grinding of titanium aluminides
International Journal of Manufacturing Technology and Management, 2007In aerospace industry, titanium alloys are used for turbine components. The material properties and the specific grinding kinematics enhance the risk of thermally damaging these components. Speed stroke grinding represents an alternative to common grinding strategies while reducing machining time and production cost but simultaneously enhancing the ...
Fritz Klocke +2 more
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Hydrogenation Of The Titanium Aluminides
MRS Proceedings, 2008AbstractThe hydrogen absorption properties of the Ti-Al-Nb system intermetallics subjected by ball milling were studied. It was found that the hydrogenation of the titanium aluminides during ball milling in hydrogen atmosphere could occur at room temperature without any special requirements to the quality of hydrogen.
Nataiya Kazantseva +4 more
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Materials Science and Engineering: A, 1992
Abstract Importance of creep properties in evaluating heat resistant characteristics of intermetallics is first demonstrated. Compressive creep behavior of single-phase γ-TiAl polycrystals (50–53.4 mol.% Al, 20–200 μm) at 1000–1200 K under 100–400 MPa is summarized. Creep behavior can be classified into two types, and minimum creep rates are shown as
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Abstract Importance of creep properties in evaluating heat resistant characteristics of intermetallics is first demonstrated. Compressive creep behavior of single-phase γ-TiAl polycrystals (50–53.4 mol.% Al, 20–200 μm) at 1000–1200 K under 100–400 MPa is summarized. Creep behavior can be classified into two types, and minimum creep rates are shown as
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Titanium Aluminides - An Overview
MRS Proceedings, 1984The object of this paper is to describe a coordinated research and development program which has been pursued by an Air Force-Industry-University team for more than twelve years. The focus of our attention has been on the development, processing, and engine testing of alloys based on intermetallic compounds, specifically on the aluminides of titanium ...
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