Formation of (α + β) titanium welds by friction stir welding using heat-resistant alloy tool

In the present paper the possibility of butt friction stir welding of titanium alloy Ti-6Al-4V by a tool from heat-resistant alloy ZhS6U on the nickel base is investigated. Metallography research was carried out to study the structure of joints. Mechanical tensile tests were carried out to study the...

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Bibliographic Details
Main Authors: Amirov, A. I., Chumaevskii, A. V., Vorontsov, A. V.
Format: Conference Proceeding
Language:English
Subjects:
Butt welding
Friction stir welding
Heat resistant alloys
Heat resisting alloys
Metallography
Nickel base alloys
Tensile tests
Titanium alloys
Titanium base alloys
Welded joints
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Summary:In the present paper the possibility of butt friction stir welding of titanium alloy Ti-6Al-4V by a tool from heat-resistant alloy ZhS6U on the nickel base is investigated. Metallography research was carried out to study the structure of joints. Mechanical tensile tests were carried out to study the strength properties of the joints. The researches have shown good applicability of ZhS6U alloy for friction stir welding of titanium alloy Ti-6Al-4V. The results of the research show that the part of welding tool had been stirred in the structure of the weld. However, nickel base alloy tool had passed about 690 mm of weld, before starting to wear out.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0034654