Titanium Diboride Ceramic Target
Overview
Titanium Diboride (TiB2) Ceramic Target is a specialized material primarily used in thin-film deposition technologies like PVD and CVD. Composed of titanium and boron, it exhibits a unique combination of properties, including extreme hardness, high melting point, and excellent electrical conductivity. These characteristics make it indispensable for industrial applications requiring durable and conductive coatings. TiB2 targets are manufactured through powder metallurgy or hot pressing, ensuring high density and structural integrity. Their performance is critical in sectors such as electronics, aerospace, and tooling, where precision and durability are paramount.
Physical and Chemical Properties
TiB2 is a covalent ceramic with a hexagonal crystal structure, contributing to its remarkable hardness (25-35 GPa) and stiffness. Its thermal conductivity (~60 W/m·K) and low thermal expansion coefficient make it stable under high-temperature conditions, ideal for coating applications in harsh environments. Chemically, TiB2 is inert to most acids and alkalis but reacts with oxidizing agents at elevated temperatures. Its electrical resistivity is low (~10-30 μΩ·cm), enabling its use in conductive thin films. These properties are tailored by adjusting sintering conditions and purity levels during production.
Main Applications
TiB2 targets are widely used to deposit wear-resistant coatings on cutting tools, molds, and engine components, significantly extending their service life. In the semiconductor industry, they serve as diffusion barriers or conductive layers in microelectronic devices. Another key application is in aluminum smelting, where TiB2-coated cathodes improve energy efficiency. The material’s compatibility with high-temperature processes also makes it valuable for aerospace components and advanced ceramic composites.
Safety and Storage
While TiB2 is generally stable, its fine powder form poses inhalation risks. Handling requires dust masks, gloves, and ventilation. Storage should be in sealed containers under inert gas or vacuum to prevent oxidation, which degrades performance. Spills should be cleaned promptly with non-sparking tools. Disposal must comply with local regulations for ceramic materials. For industrial-scale use, regular air quality monitoring is recommended to ensure workplace safety.
B2B Procurement Guide
When sourcing TiB2 targets, prioritize suppliers with ISO-certified manufacturing processes. Key specifications include purity (≥99.5% for most applications), density (≥95% theoretical), and dimensions tailored to your deposition equipment. Bulk purchases (10+ targets) often reduce costs by 15-20%. Lead times vary; confirm availability if custom sizes are needed. For prototyping, request small batches to validate performance. Quality certifications (e.g., RoHS, REACH) are essential for electronics applications.
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