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Molybdenum Copper Alloy

Molybdenum copper alloy (MoCu alloy) is an alloy of molybdenum and copper. Tungsten and molybdenum are refractory alloy (tungsten melting point 3410 ℃, molybdenum melting point 2615 ℃) and they have very similar chemical properties and similar application fields. The two biggest differences between two of them is the density (density tungsten 19.3g / cm3, molybdenum density of 10.2 g / cm3), so copper tungsten materials is suitable for heavy materials. On the other hand, molybdenum copper has light quality. Besides, the coefficient of thermal expansion of molybdenum copper is low, with high electrical and thermal conductivity properties, so it often applies to aerospace industrial as aircraft instrument accessories.

Mo-Cu also has a special high-temperature performance. Molybdenum melting point is 2610 and the melting point of copper is 1083. Besides, molybdenum copper alloy has good strength properties and plasticity at ordinary temperatures. Used as a missile in the aerospace industry, the nozzle throat insert of rocket, gas vane’s components, air rudder, hood and counterweight and so on. Molybdenum copper also has low gas content and good vacuum performance. Either molybdenum or copper, which is easy to recover oxides and other N, H, C, and other impurities, can easily be removed as well, thus ensuring full use of the performance of the vacuum. What’s more molybdenum copper has good machinability. Due to the high strength and brittleness, it is difficult to be machined pure molybdenum. Mo-Cu alloy, since copper is added, the hardness decreased and ductility increases, so it is more beneficial to the processing, and can be processed into complex shaped parts.

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