Copper tungsten alloy commonly contains from 10 to 50 wt. % of copper, the remaining portionbeing substantially all tungsten. The typical properties of the alloy depend on its composition, which is of less wt.% of copper has higher density, higher hardness and higher resistivity. The typical density of CuW90 alloy, with 10% of copper tungsten is 16.75g/cm3 and 11.85g/cm3 for CuW50 alloy. CuW90 has higher hardness and resistivity of 260 HB kgf/mm2 and 6.5 µΩ.cm than CuW50.
Copper tungsten alloy combines the properties of both metals, resulting in a material that is heat-resistant, ablation-resistant, highly thermally and electrically conductive, and easy to machine. Parts are made from the WCu alloy by pressing the tungsten particles into a desired shape, sintering the compacted part, then infiltrating with molten copper. Sheets, rods and bars of the alloy are available as well.
|Chemical Composition %||Tungsten Copper Alloy Mechanical Properties|
|Cu||Impurity||W||Density (g/cm3 )||Hardness (HB )||RES(cm)||Conductivity||TRS(Mpa)|
|CuW(55)||45+ 2.0||0.5||Balance||12.30||125||3.5||49 IACS%|
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