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Abstract <p>The superplasticity temperature range of VIT-1 orthorhombic titanium alloy is investigated; its forging and stamping temperatures are established. In this alloy, dynamic recrystallization under tension is accompanied by pseudoamorphization due to vacancy (pore) expansion. As a result, the mechanism of shear deformation switches to viscous flow, with the formation of microcracks along the grain boundaries in forging and stamping.</p>

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Superplasticity Temperatures and Forging of Orthorhombic Titanium Alloys

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • A. K. Onishchenko

摘要

Abstract

The superplasticity temperature range of VIT-1 orthorhombic titanium alloy is investigated; its forging and stamping temperatures are established. In this alloy, dynamic recrystallization under tension is accompanied by pseudoamorphization due to vacancy (pore) expansion. As a result, the mechanism of shear deformation switches to viscous flow, with the formation of microcracks along the grain boundaries in forging and stamping.