Africa-Press – Liberia. According to scientists at Volgograd State Technical University (VolgSTU), the developed technology will increase the strength of titanium alloys by 40 percent and double their service life.
Titanium is one of the most abundant metals on the planet, and it also possesses a sought-after combination of properties for industry, lightness, strength and resistance to corrosion, the Volgograd State Technical University (VolgSTU) said.
The sphere of application of titanium alloys is very wide. They are used in aircraft, ship and automobile construction. Titanium-based alloys are particularly important for creating technical elements that interact with aggressive liquids and water, the university added.
Since the strength under variable loads and resistance to external influences of titanium alloys are of the greatest importance for the industry, VolgSTU researchers have developed a technology to improve these properties.
He added that the selected treatment of the alloy surface results in a special layer that has increased hardness, resistance to wear, and cyclic loads. The operating time before failure of the hardened products increases by 1.5-2 times, whereas the material’s strength increases by 30-40 percent.
The uniqueness of the electromechanical-based technology lies in the simultaneous effect on the material of high temperatures and contact pressures, leading to the formation of a specific structure and enhanced material properties, scientists explained.
According to the specialists, the introduction of the technology into industry will expand the possibilities of using titanium alloys in assemblies working under conditions of intensive friction, wear and tear and repeated alternating loads, for example, in aviation, rocket and space, military equipment and medical products. The results of their study were published in the Metals journal.
The research is part of a VolgSTU strategic project within the framework of the “Priority 2030” program. The university’s development program includes four strategic projects, including the “Center for Digital Scientific and Educational Projects and Developments,” and the “Technologies for Industrial Innovation Cluster.”
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