Tungsten copper embedded block is manufactured by powder metallurgy, which is a kind of typical sweating material. Even if at high temperature (3000℃), the copper evaporation will take away the most part of heat and effectively reduce the surface temperature and keep the strength. In addition, it has perfect conductivity and plasticity, which is beneficial for improving the mechanical properties of the embedded part.
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Tungsten copper embedded block not only has high melting point (3410℃), low CTE (Coefficient of Thermal Expansion) of W, but also has high conductivity of Cu. So it can control the performance by adjusting the material content.