90W10Cu tungsten copper alloy mainly used to suppress the high-speed production technology to prepare, and then in 1400 ℃ high temperature hydrogen furnace infiltrated get 90W-10Cu composite.
Research repression affect the quality of the pyrometer compacts green density
and microstructure of. The results of surface, with the suppression of the
temperature rise, the compact density, high-speed suppression obtained at 950 ℃ relative density greater
than 80.65% of W skeleton dense tungsten particles connection, distribution,
pore connectivity is good. Compacts increases quality, due to the applied
energy density is reduced, leading to the green density decreases. By twice the
height of repression, the green density further increases; the relative density
of 99.5% 90W10Cu materials, thermal conductivity 175W / (mK), tungsten copper
alloy 90W10Cu indicators have reached the requirements of the appropriate heat
sink material.
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