Features of the structural phase state of a weld produced by electron-beam welding in the submicrocrystalline grade 2 titanium alloy

Kirill Kurgan, Vasily Klimenov, Anatoly Klopotov, Sergey Gnyusov, Yuri Abzaev, Alexander Potekaev, Mikhail Marzol

Research output: Contribution to journalArticle

Abstract

This paper presents the results of structural studies for a welded joint of the Grade 2 titanium alloy in submicrocrystalline and microcrystalline states produced by electron beam welding when joining 2-mm-thick plates. Microhardness distribution patterns of the Grade-2 titanium alloy in micro- and submicrocrystalline states are identified in the weld zone and heat-affected zone. These patterns reflect a difference in structural phase states. It is assumed that one of the key factors affecting both the structural state and microhardness distribution in the weld zone and heat-affected zone during electron-beam welding is high concentration of oxygen atoms embedded into the crystal lattice of α-Ti-based solid solution.

Original languageEnglish
Article number03011
JournalMATEC Web of Conferences
Volume143
DOIs
Publication statusPublished - 8 Jan 2018

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Electron beam welding
Titanium alloys
Welds
Heat affected zone
Microhardness
Crystal lattices
Joining
Solid solutions
Oxygen
Atoms

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Engineering(all)

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Features of the structural phase state of a weld produced by electron-beam welding in the submicrocrystalline grade 2 titanium alloy. / Kurgan, Kirill; Klimenov, Vasily; Klopotov, Anatoly; Gnyusov, Sergey; Abzaev, Yuri; Potekaev, Alexander; Marzol, Mikhail.

In: MATEC Web of Conferences, Vol. 143, 03011, 08.01.2018.

Research output: Contribution to journalArticle

Kurgan, Kirill ; Klimenov, Vasily ; Klopotov, Anatoly ; Gnyusov, Sergey ; Abzaev, Yuri ; Potekaev, Alexander ; Marzol, Mikhail. / Features of the structural phase state of a weld produced by electron-beam welding in the submicrocrystalline grade 2 titanium alloy. In: MATEC Web of Conferences. 2018 ; Vol. 143.
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