Abstract
Projection of phase composition of lowcost titanium alloy welded joints by finite element mathematical modeling method
Highlights
Titanium as a structural material has a good set of mechanical and operational properties; allowing it to be used in various industries
To calculate the effect of welding mode parameters on the formation of a weld; a threedimensional mathematical model of thermal processes [7-13] in titanium was built for welding with a scanning heat source; which is based on the differential heat equation: (1)
Welding modes were chosen; in which the complete penetration of the weld metal was absent. This is done to determine the effect of preheating on the forum and the dimensions of the weld metal and HAZ
Summary
Titanium as a structural material has a good set of mechanical and operational properties; allowing it to be used in various industries. One of the factors constraining the widespread use of titanium alloys is a high cost of titanium parts; which is associated with the technology of their manufacture and a relatively high cost of the raw materials used. Reducing the cost of products involves the development of alloys. Using cheap raw materials and such technological processes that provide higher efficiency in the use of consumed energy and materials. The most promising in terms of price reducing is the creation of economically alloyed alloys with improved processability; since for titanium the cost of manufacture accounts for most of the total cost of parts. In recent years; lowcost alloyed titanium alloys are becoming more common; in which expensive alloying elements are replaced by inexpensive and accessible elements; such as iron; carbon; oxygen and nitrogen [1,2,3]
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