Shape retention of W-30Cu composites prepared by 20 wt% Cu melt infiltration into W-10Cu green parts made via BJ3DP
Source abstract
Abstract
In this work, W-30Cu, W-10Cu, and W green parts were fabricated using BJ3DP, and then 0 wt% Cu, 20 wt% Cu, and 30 wt% Cu were infiltrated to prepare W-30Cu composites, respectively. The effects of Cu infiltration content (0–30 wt%) on the shape retention and properties of W-30Cu composites were studied. The experimental results showed that when the Cu infiltration content was 20 wt%, the W-30Cu composite prepared by 20 wt% Cu melt infiltration into W-10Cu green part had the best shape retention, its shrinkage was within 0.5%, and the relative density and thermal conductivity were 97.75% and 218 W·m −1·K −1 , respectively. In this work, a high-shape-retention W-30Cu composite was obtained by treating W-10Cu green part prepared by BJ3DP using a combination of sintering technology and infiltration technology, while also providing a high-shape-retention method for other composites.
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