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Properties and Applications of Molybdenum Copper Alloys

The main applications of molybdenum-copper alloy are closely related to its good properties.

1. Molybdenum copper (Mo-Cu) is often prepared as a heat sink and heat sink plate, mainly because molybdenum-copper alloy has excellent electrical and thermal conductivity properties.

2. Mo-Cu can also be used as instrument components. Because it has non-magnetic, low and adjustable thermal expansion coefficient, high elastic modulus, high thermal conductivity and other properties which can meet the requirements of some special instruments, so it widely be use as instrument components.

3.Melting point of Molybdenum is 2610℃and copper melting point is 1083℃, therefore molybdenum-copper alloy at room temperature and high temperature not only has good strength, and has a certain plasticity. When the temperature is higher than the melting point of copper, copper alloy will liquefy to play cooling effect. Therefore molybdenum copper alloy can be used as a special high-temperature materials used in aerospace and military fields, such as nozzle throat insert, electrical contacts and rockets, missiles, weapons and other high temperature components.

4. Molybdenum has high hardness and brittleness, it is more difficult to machine. After added copper into Mo-Cu alloy, hardness decreased, plastic increases, so molybdenum copper has good processing performance can be processed into a variety of complex shaped parts, which greatly expanded its field of application.

5. Mo-Cu also contents low gas and has good vacuum performance. First of all, the oxide of molybdenum and copper reduction is simple. Secondly, N, H, C and other impurities in molybdenum and copper remove easily, so it has good vacuum performance.

6. Mo-Cu not only has good thermal conductivity properties, and it also has high melting point, corrosion resistance, low thermal expansion and other properties. So it not only be used in high-voltage ceramic vacuum, used in the microelectronics industry becomes more and more popular , such as molybdenum copper is widely made integrated circuits and heat sink materials.

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