Enhancing Wear Resistance of Titanium Alloys: Insights from Tribological Testing

Abstract:

In the aerospace industry, titanium and its alloys have garnered significant attention for their low density, rendering them highly desirable materials. Nonetheless, their wear resistance has posed challenges, prompting extensive research into titanium-based composite materials. This study investigates the tribological performance of various titanium-based metal specimens reinforced with distinct ceramic and intermetallic materials. Specifically, specimens were fabricated to include a 20% volume fraction of pre-alloyed TiAl intermetallics, renowned for their reduced density, while others incorporated 30% boron carbide (B₄C). All specimens were meticulously prepared using Inductive Hot Pressing under optimized conditions. The primary objective is to discern the most effective option in terms of wear resistance. Comprehensive analyses, encompassing mass loss measurements, track width evaluations, wear assessments, and friction coefficient analyses, were conducted to achieve this goal.

• Periodical: Materials Science Forum (Volume 1146)
• Pages: 65-71
• DOI: https://doi.org/10.4028/p-T5vSw3
• Online since: March 2025
• Authors: Isabel Montealegre-Meléndez*, Cristina M. Arévalo, Erich Neubauer, Eva Maria Perez-Soriano
• Keywords: B₄C, Inductive Hot Pressing, Metal Matrix Composite, Titanium

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