Overview
Yttrium rods are cylindrical forms of high-purity yttrium metal, valued for their unique physicochemical properties. As a rare-earth element, yttrium exhibits exceptional stability under high temperatures and resistance to oxidation, making it indispensable in advanced technological applications. These rods are typically produced through vacuum arc melting or electron beam melting to achieve purities exceeding 99.9%. The standardized diameters and lengths cater to industrial requirements, with common diameters ranging from 5mm to 50mm.
Physical and Chemical Properties
Yttrium rods display a characteristic silvery luster and maintain structural integrity up to 1522°C (melting point). Their low neutron absorption cross-section and high thermal neutron transparency make them ideal for nuclear applications. The metal forms a protective oxide layer when exposed to air, preventing further corrosion. It reacts slowly with water and dissolves in mineral acids. Notably, yttrium's electrical conductivity and ductility allow for precision machining into components for electronic devices.
Main Applications
In the electronics industry, yttrium rods serve as sputtering targets for thin-film deposition in semiconductor manufacturing. They're crucial for producing yttrium aluminum garnet (YAG) lasers used in medical equipment and cutting tools. The aerospace sector utilizes yttrium-containing superalloys for jet engine components due to their high-temperature strength. In nuclear reactors, yttrium rods act as neutron moderators and cladding materials for fuel rods.
Safety and Storage
Despite being relatively stable, yttrium rods require storage in argon-filled containers or vacuum-sealed packaging to prevent surface oxidation. Moisture exposure can lead to hydrogen gas formation through slow hydrolysis. Workers should use dry powder extinguishers for fire emergencies, as water reacts with burning yttrium. Proper ventilation is recommended during machining to avoid inhalation of fine metallic particles, which may irritate respiratory systems.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with ISO-certified production facilities capable of providing traceable material certificates (e.g., ASTM B954). Key specifications include chemical composition (especially iron and other rare earth impurities), dimensional tolerances, and surface finish requirements. For prototype development, consider purchasing small-diameter rods (5-10mm) from specialized metallurgy companies. Bulk orders for manufacturing typically require 3-8 weeks lead time, with pricing tiers at 1kg, 10kg, and 100kg quantities. Always confirm MOQs and custom cutting services.
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