Molybdenum Copper Alloy Properties
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- Category: Molybdenum knowledge
- Published on 23 September 2013
- Written by 陈桂兰
- Hits: 795
The melting point of molybdenum 2610 ℃, the melting point of copper is only 1083 cC, molybdenum-copper alloy at room temperature and the temperature, both good strength, but also a certain plasticity, and when the temperature exceeds the melting point of copper, the material of the copper can endothermic evaporation liquefaction, play a cooling effect (transpiration cooling). This performance can be used as high-temperature materials for special purposes, such as drug refractory lined combustion temperature nozzle throat, under the action of high temperature electrical arcing contacts and so on.
Molybdenum metal in addition gold, silver, copper and other metals, the conductivity and relatively good thermal conductivity element. Therefore, molybdenum and molybdenum-copper alloy composed of copper has a high electrical conductivity, thermal conductivity.
High coefficient of thermal expansion of copper, molybdenum has a low coefficient of thermal expansion. Therefore, the application can be made of a combination according to different required components low thermal expansion coefficient, so that they can communicate with other material combinations of the thermal expansion coefficient matched to avoid excessive thermal expansion coefficient difference in thermal stress caused damage.
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