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HomeMaterials Science ForumMaterials Science Forum Vol. 927Effect of Heat Treatment on the Structure and...

Effect of Heat Treatment on the Structure and Properties of Titanium Alloy VT22 Welded Joints Produced by TIG-Welding with Flux-Cored Wire

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Abstract:

An important part in affecting the properties of the titanium alloy VT22 is a heat treatment (HT). Annealing of welded joints of the alloy also works as strengthening HT. Depending on the heating temperature, duration of annealing and the cooling rate, different combinations of strength and ductility could be obtained. Annealing is carried out in the VT22 alloy two-phase region (750 - 850 °C) followed by direct or stepwise cooling. This heat treatment results in a maximum heterogeneity of the structure with nearly an equal amount of α and β phases. It also provides a tensile strength of 1100 - 1300 MPa.

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Materials and Processing Technology II

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Periodical:

Materials Science Forum (Volume 927)

Pages:

119-125

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.927.119

Citation:

Cite this paper

Online since:

July 2018

Authors:

V.P. Prilutsky, S.V. Akhonin, S.L. Schwab, I.K. Petrychenko

Keywords:

(α+β)- Titanium Alloy VT22, Flux-Cored Titanium Filler Wire, Heat Treatment, TIG-Welding

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