Overview
Molybdenum substrate is a high-performance material prized for its exceptional thermal and mechanical properties. Composed primarily of molybdenum (Mo), it is widely used in industries requiring materials that can withstand extreme temperatures and corrosive environments. Due to its high melting point and excellent thermal conductivity, molybdenum substrate is a preferred choice for applications in electronics, aerospace, and industrial manufacturing. Its ability to maintain structural integrity under stress makes it invaluable for critical components.
Physical and Chemical Properties
Molybdenum substrate exhibits a unique combination of physical and chemical properties that make it suitable for demanding applications. Its high density (10.28 g/cm³) and melting point (2,623°C) ensure stability under extreme conditions. The material is also known for its low thermal expansion coefficient, which minimizes dimensional changes during temperature fluctuations. Chemically, molybdenum is resistant to many acids and alkalis, though it can dissolve in concentrated nitric acid or sulfuric acid.
Main Applications
Molybdenum substrate is extensively used in the semiconductor industry for manufacturing wafers and sputtering targets. Its high thermal conductivity ensures efficient heat dissipation in electronic devices. In aerospace, it is employed in components like rocket nozzles and turbine blades due to its ability to withstand high temperatures. Industrial applications include heating elements, furnace parts, and glass melting electrodes, where its durability and resistance to thermal shock are critical.
Safety and Storage
While molybdenum substrate is generally stable, precautions should be taken to avoid inhalation of dust or fumes during machining. Proper ventilation and protective equipment, such as gloves and masks, are recommended. Storage should be in a dry, cool environment, away from oxidizing agents to prevent surface oxidation. Handling should be done with care to avoid scratching or damaging the surface, which could affect performance in precision applications.
B2B Procurement Guide
When procuring molybdenum substrate, key factors to consider include purity (typically 99.95% or higher), thickness, and surface finish. Specifications should align with the intended application, whether for semiconductor manufacturing or aerospace components. Suppliers should provide certifications for material composition and mechanical properties. Bulk purchases may offer cost advantages, but ensure storage conditions are met to prevent degradation. Lead times can vary, so plan procurement accordingly.
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