Molybdenum sheets are indispensable key materials in modern lighting technology
Molybdenum sheets, as a high-performance metallic material, play a significant role in the lighting industry due to their high melting point, excellent mechanical properties and outstanding thermal stability. It can not only withstand high-temperature environments but also maintain stable performance under complex mechanical and chemical conditions, making it an indispensable key material in modern lighting technology.
The key components of incandescent lamps and halogen lamps
In traditional incandescent lamps and halogen lamps, molybdenum sheets are widely used in filament brackets, lead materials and glass-sealed wires. The high melting point (2623°C) and excellent mechanical properties of molybdenum sheets enable them to support the filament in high-temperature environments, ensuring the stable position of the filament while guaranteeing the smooth transmission of current. In addition, the coefficient of thermal expansion of molybdenum sheets is similar to that of quartz glass, which can be firmly combined with glass and is used to make wires sealed with quartz glass. This characteristic makes it particularly important in halogen lamps and high-intensity discharge lamps (HID), as these lamps operate at relatively high temperatures. Molybdenum sheets are also used as mirror materials for automotive halogen lamps, which can minimize the "dazzle" caused to oncoming drivers to the greatest extent.
Important materials in gas discharge lamps and LED lamps
In gas discharge lamps (such as xenon lamps and hydrogen lamps), molybdenum sheets are used as electrode materials and can withstand high voltage and strong current conditions. Its high-temperature resistance and good oxidation resistance enable it to remain stable during frequent switching operations. In highly efficient and energy-saving LED lamps and other solid-state lighting devices, molybdenum sheets can be used as part of mirrors or heat sinks. The high thermal conductivity of molybdenum sheets can effectively conduct heat, improve the light output efficiency and extend the service life. In addition, molybdenum sheets are used as filament supports and grid materials in vacuum tubes due to their high-temperature strength and mechanical stability.
Application in special lamps
Molybdenum sheets are also used in the covers of special lamps, such as the headlights of cars and motorcycles. It can reduce the brightness of lamps while providing good corrosion resistance and oxidation resistance. In these applications, the high-temperature stability and mechanical properties of molybdenum sheets enable them to work stably for a long time, ensuring the safety and reliability of the lamps.
The wide application of molybdenum sheets in the lighting industry is attributed to their outstanding physical and chemical properties. Its high melting point, low coefficient of thermal expansion, excellent oxidation resistance and corrosion resistance enable it to maintain stable performance in high-temperature and complex environments. The high strength and good ductility of molybdenum sheets also enable them to adapt to various complex processing and assembly requirements. With the continuous development of lighting technology, the application scope of molybdenum sheets is expected to further expand.
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