Phase Transformation in Binary Titanium-Base Alloys with Metals of the I, IV−VIII Groups

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Martensitic β→α′(α″) transformation, β→ω transformation and eutectoid decomposition in a series of Ti-base alloys with d transition metals of Groups I, IV-VIII have been investigated using the techniques of X-ray diffraction, optical and transmission electron microscopy. Phase and structural information is given on the non-equilibrium and metastable modifications occurring in these alloys after quenching from high-temperature β-field and aging. The conditions of the orthorhombic α″-phase, ω-phase and metastable β-phase formation in binary titanium–base alloys with d-metals of V-VIII groups were investigated. It was established that the position of the alloying metal in the Periodic Table defines the presence or absence of the α″-phase in the alloy after quenching and the minimum concentration of the alloying metal necessary for formation of the α″-phase, ω-phase and metastable β-phase.

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Periodical:

Materials Science Forum (Volumes 546-549)

Edited by:

Yafang Han et al.

Pages:

1349-1354

Citation:

A.V. Dobromyslov "Phase Transformation in Binary Titanium-Base Alloys with Metals of the I, IV−VIII Groups", Materials Science Forum, Vols. 546-549, pp. 1349-1354, 2007

Online since:

May 2007

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$38.00

[1] P. Duwez. Trans. ASM, 45, 934 (1953).

[2] H. Kaneko, Y.C. Huang, J. Japan Inst. Metals, 27, 387 (1963).

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