Journal ArticleDOI
The formation mechanism of the O phase in a Ti3Al–Nb alloy
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In this article, the formation mechanism of the O phase in the Ti-24Al-14Nb-3V-0.5Mo (at%) alloy has been carried out by means of TEM and HRTEM.About:
This article is published in Intermetallics.The article was published on 2000-05-01. It has received 32 citations till now. The article focuses on the topics: Phase (matter) & Niobium.read more
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Phase transformation and microstructure control of Ti2AlNb-based alloys: A review
TL;DR: In this paper, the precipitation mechanisms of O phase, phase transformation and microstructure control of Ti2AlNb-based alloys are reviewed, and the phase diagram as well as coarsening behavior of these alloys in ageing process is also reviewed.
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Microstructural evolution and tensile behavior of Ti2AlNb alloys based α2-phase decomposition
TL;DR: In this article, the formation mechanism of the fine plate-like O-phases within α2phases and tensile behavior of an isothermally forged Ti-22Al-25Nb (at%) orthorhombic alloy at 1040°C during heat treatment were investigated.
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Microstructures and mechanical properties of Ti–24Al–17Nb (at.%) laser beam welding joints
TL;DR: In this article, a laser beam welding of Ti-24Al-17Nb (at.%) alloy was conducted to investigate the microstructures and the mechanical properties of its joints, and the results indicated that the weld microstructure consisted primarily of retained ordered β phase (namely B2 phase) and was independent of the laser welding parameters.
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Transient liquid phase diffusion bonding of Ti–24Al–15Nb–1Mo alloy to TiAl intermetallics
TL;DR: In this paper, transient liquid phase diffusion bonding of a Ti3Al-based alloy and TiAl intermetallics was firstly conducted with Ti-15Cu-15Ni (wt%) interlayer.
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Microstructures and Mechanical Properties of Vacuum Brazed Ti3Al/TiAl Joints Using Two Ti-based Filler Metals
TL;DR: In this article, a new Ti Zr Cu Ni Fe filler alloy was designed, and its wettability on Ti 3 Al and TiAl substrate was studied with the sessile drop method.
References
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A new ordered orthorhombic phase in a Ti3AlNb alloy
TL;DR: An ordered orthorhombic phase has been detected in a Ti-25at.% Al-12.5at. alloy as discussed by the authors, which is one of a family of Ti3Al base alloys under development for high temperature applications.
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Microstructure evolution and its effect on tensile and fracture behaviour of Ti-AI-Nb α2 intermetallics
TL;DR: In this article, the phase transformation sequences and stabilities for the α2 alloy system are discussed. And the correlation of microstructure and dislocation behavior with tensile and fracture properties is presented.
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Overview of research on aerospace metallic structural materials
TL;DR: The sponsored research program of the U.S. Air force Office of Scientific Research (AFOSR) contributes to the fundamental knowledge required for improving the performance, cost and reliability of aerospace structural materials as discussed by the authors.
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TEM observation of the alpha(2)/O interface in a Ti3Al-Nb alloy
TL;DR: In this paper, the microstructures of a Ti-24Al-14Nb-3V-0.5Mo (at%) alloy were analyzed using X-ray diffraction (XRD), transmission electron microscopy (TEM), anc high-resolution electron microscope (HREM).
Journal ArticleDOI
Phase transformations involving the α2 and O phases in TiAlNb alloys
TL;DR: In this article, the authors report preliminary results of isothermal aging study of the [alpha][sub 2]-->O phase transformation, and propose a phase diagram for the Ti-Al-Nb system.