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The FeCu pre-alloyed diamond tools drills were fabricated and characterized using microwave hot press sintering (MHPS) and conventional hot press sintering (CHPS). The characteristic of densification, microstructure and mechanical properties of samples were assessed. Compared to the CHPS, the MHPS showed evident advantages, including more uniform element distribution, shorter sintering time, lower...
The preparation of coating material of welding electrode from marine placer via carbothermic reduction with added aluminum (Al) was systematically investigated. The reduction behavior and phase transformation of the marine placer–coal mixture with Al were checked by TG/DTG/DSG, XRD and SEM/EDS analysis. The additional Al can obviously increase the metallization rate of the mixtures, and the corresponding...
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