Advanced powder-metallurgy technology has led to the development of the CermeTi ® family of titanium metalmatrix composites. Reinforcing the titanium alloy matrix with titanium carbide or titanium boride particles results in superior properties. These discontinuously reinforced titanium composites have excellent room-and elevated-temperature properties and are exceptionally wear resistant. High quality, near-net shape CermeTi composite components are being produced commercially and are being evaluated for potential applications in military vehicles, commercial automotive engines, sporting goods, industrial tooling, and biomedical devices.
Advanced powder-metallurgy (P 1M) technology provides the key to a new class of low-CX)St,high-performance titanium-matrix composites known as CermeTi. Titanium carbide, the most successful particulate addition to date, imparts both strengthening effects and enhancement of the bulk modulus of elasticity when added to a titanium-alloy matrix. This article describes the process development and properties of these materials and describes the transfer of this technology from its early success in cost-effective defense applications to commercialization in highly competitive applications.
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