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Erschienen in: Metal Science and Heat Treatment 5-6/2019

08.11.2019 | WELDED JOINTS

Post Weld Annealing of Welded Joints of Refractory Titanium Alloys VT41 AND VT8-1

verfasst von: O. S. Kashapov, T. V. Pavlova, V. S. Kalashnikov, A. R. Kondrat’eva

Erschienen in: Metal Science and Heat Treatment | Ausgabe 5-6/2019

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Abstract

Mechanical properties and structure of butt welded pseudo-α-(VT41) and (α + β)-(VT8-1) refractory titanium alloys are studied as applied to electron-beam welding of rotor parts of gas turbine engine compressors. Welded joints of VT8-1 + VT8-1, VT8-1 + VT41 and VT41 + VT41 are studied. The effect of post weld annealing on the short-term and long-term strength and impact strength of matrix metal is studied in the operating temperature range. Partial annealing of welded joints is shown to have a favorable effect on matrix metal and weld material strength properties without a substantial reduction in high-temperature strength. Weld metal ductility remains at a low level, while that of the matrix metal hardly decreases.

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Metadaten
Titel
Post Weld Annealing of Welded Joints of Refractory Titanium Alloys VT41 AND VT8-1
verfasst von
O. S. Kashapov
T. V. Pavlova
V. S. Kalashnikov
A. R. Kondrat’eva
Publikationsdatum
08.11.2019
Verlag
Springer US
Erschienen in
Metal Science and Heat Treatment / Ausgabe 5-6/2019
Print ISSN: 0026-0673
Elektronische ISSN: 1573-8973
DOI
https://doi.org/10.1007/s11041-019-00431-0

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