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Student Class

2029

Student Affiliation

Thayer School First Year Research in Engineering

Author ORCID Identifier

https://orcid.org/my-orcid?orcid=0009-0003-9415-3998

https://orcid.org/my-orcid?orcid=0009-0004-4862-6843

First Advisor

Ian Baker

First Advisor Department

Department of Engineering Sciences—Thayer School of Engineering

Second Advisor

Russ Taylor

Second Advisor Department

Department of Engineering Sciences—Thayer School of Engineering

Abstract

Titanium alloy TiAl6V4 is the most ubiquitous titanium alloy used for dental care, aerospace manufacturing, and for high performance vehicles. The material typically undergoes a thermal heat  treatment, but electropulse annealing is another process that involves sending current through the material to heat it up at a quicker rate. The rate of post-annealing cooling is high, and around the material's critical point, its two components, alpha and beta phase, change in relative concentration. After testing multiple current densities and temperatures, in general, as the current density that the sample received during electropulse annealing decreased, both the alpha and beta phases stabilized, increasing microhardness. Therefore, by stabilizing the composition of both phases, the alloy was strengthened.

Publication Date

Spring 5-26-2026

Keywords

Annealing, Materials, XRD, EPT, Microscopy

Disciplines

Mechanical Engineering | Mechanics of Materials | Metallurgy | Structural Materials

Electropulse Annealing: Phase Composition of TiAl6v4

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