The Paton Welding Journal, 2015, №02



2015 №02 (08)

DOI of Article 10.15407/tpwj2015.02.09

2015 №02 (10)

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The Paton Welding Journal, 2015, #2, 48-51 pages  

MANUFACTURE OF RODS OF SINTERED TITANIUM ALLOYS BY USING DIFFERENT METHODS OF WELDING (Review)

A.V. Ovchinnikov

Zaporozhie National Technical University. 64 Zhukovsky Str., 69063, Zaporozhie, Ukraine. E-mail: glotka87@ukr.net
 
 
Abstract
Presented is the state-of-the-art of production of semi-products and products of titanium and its alloys in Ukraine. The rod of titanium and its alloy is one of the mostly demanded semi-products. In Ukraine the titanium rods are not manufactured in principle. For its mass production it is necessary to reduce the cost of technology for their production. The production of rod semi-products by using methods of powder metallurgy in applying of powders with the developed surface and welding was grounded. Peculiarities of application of different methods of welding were considered, the application of pressure welding was shown as challenging. The optimum one is the rotation friction welding for production of rod semi-products. The main problems, which may occur in friction welding of sintered semi-products, were considered, the need in further investigations of weldability of the given semi-products was shown. 51 Ref.
 
 
Keywords: titanium, powder metallurgy, pressing, sintering, welding, semi-product, rod
 
 
Received:                15.12.14
Published:               01.04.15
 
 
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