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Friction Stir Welding of Ti-6Al-4V Alloy
Materials Science Forum, 2014Titanium (Ti) and its alloys are used extensively in aerospace industry where there is a critical need for material with high strength-to–weight ratio and high elevate temperature properties. Friction stir welding (FSW) is a new solid state welding process in which a cylindrical–shouldered tool with an extended pin is rotated and gradually plunged into
P. Leo, CERRI, Emanuela
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Superplastic behavior of Ti–6Al–4V–0.1B alloy
Materials Science and Engineering: A, 2012Abstract The superplastic behavior of Ti–6Al–4V–0.1B sheet was evaluated. The strain rate sensitivity (m) is ≥0.47 in the temperature range 775–900 °C and at strain rate, e ˙ = 10 − 5 to 10 − 3 s − 1 . The material exhibits tensile elongations > 200% in the temperature range 725–950 °C at e ˙ = 3 ×
Sinha, V. +3 more
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Acta Materialia, 2010
The addition of small amounts of B to Ti-6Al-4V alloy reduces the as-cast grain size by an order of magnitude and introduces TiB phase into the microstructure. The effects of these microstructural modifications on both the high cycle fatigue and cyclic stress-strain response were investigated. Experimental results show that B addition markedly enhances
Sen, Indrani +3 more
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The addition of small amounts of B to Ti-6Al-4V alloy reduces the as-cast grain size by an order of magnitude and introduces TiB phase into the microstructure. The effects of these microstructural modifications on both the high cycle fatigue and cyclic stress-strain response were investigated. Experimental results show that B addition markedly enhances
Sen, Indrani +3 more
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Dehydrogenation of Hydrogenated Ti-6Al-4V Alloy
Rare Metal Materials and Engineering, 2014Abstract TG/DSC tests of non-hydrogenated and hydrogenated Ti-6Al-4V alloys were carried out in order to investigate the dehydrogenation behavior of hydrogenated titanium alloys. Results indicate that mass losses of the hydrogenated Ti-6Al-4V alloys are significantly different with that of the non-hydrogenated Ti-6Al-4V alloy when the heating ...
Yuan Baoguo, Liu Dahai, Li Chunfeng
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Surface Properties of Ti-6Al-4V Alloy
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2016Abstract Phospholipids as the principal constituents of biological cell membranes play important roles in cell communication, signal transportation and various intra- and extra-cellular processes. Therefore, they could be prospective modifier for Ti-6Al–4 V alloy used as implants.
Yingdi Yan +2 more
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Constitutive equation for superplastic Ti–6Al–4V alloy
Materials & Design, 2008Abstract Superplasticity is the capability of some materials to exhibit large plastic deformations prior to failure. Structural superplasticity is observed in fine-grained alloys (the average grain size does not exceed 10 μm) under proper conditions of: • high temperature (greater than about one-half the absolute melting point); • a controlled
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The Hammer Forging of Ti-6Al-4V Alloy
Key Engineering Materials, 2015In this paper, the research results of hammer forging process of titanium alloy Ti-6Al-4V are described. It is hard deformable alloy so forming details with complex shape from this alloy requires precise selection of thermomechanical parameters. Proper design of technological forging process of forging from Ti-6Al-4V alloy, taking into account the ...
Aneta Łukaszek-Sołek, Sylwia Bednarek
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Addition of cobalt to the Ti-6Al-4V alloy
JOM, 1968The test data have shown that an addition of 3% cobalt to the Ti-6Al-4V alloy did not have an unfavorable influence on the workability of the alloy. Concerning hardenability, an increase in strength of about 25 kg/mm2 (35.6 ksi) was obtained without affecting ductility. Thermal stability remained unaffected up to temperatures of about 400°C (752°F).
E. Diderrich +3 more
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Laser glazing of Ti-6Al-4V alloy
ICALEO '89: Proceedings of the Materials Processing Conference, 1989The present investigation is undertaken to assert the possibility of improving the surface properties of Ti-6Al-4V alloy through laser glazing, that is by generating a thin layer of refined microstructure on the surface. The studies have been carried out on a 5 KW CW CO2 laser and a 5 axis computer controlled work station.
A. Bharti, D. B. Goel
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Phase Transformation In Ti-6al-4v Alloys
Proceedings, annual meeting, Electron Microscopy Society of America, 1972The Ti-6 wt.% Al-4 wt.% V commercial alloys have exhibited an improved formability at cryogenic temperature when the alloys were heat-treated prior to the tests. The author was interested in further investigating this unusual ductile behavior which may be associated with the strain-induced transformation or twinning of the a phase, enhanced at lower ...
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