2. Experimental
Element powders of Cu (D50 ¼ 10 mm), Ti (Wuyi Co. Ltd.,
D50 ¼ 45 mm) and W (Aladdin Co. Ltd., D50 ¼ 12 mm) were used as
raw materials. The morphology of the powders were observed
using a scanning electron microscope (SEM, ZEISS, EVO 10) and
shown in Fig. 1. In sample preparation, the Cu powders were
blended with 1 wt % alloying element (Ti or W) in a turbular mixer
for 2 h. Subsequently, the powder mixtures were cold-compacted
in a floating cylinder die under a pressure of 650 MPa. Finally, the
green compacts were sintered under flowing argon at 950 C for 2 h
for further consolidation.
2. ExperimentalElement powders of Cu (D50 ¼ 10 mm), Ti (Wuyi Co. Ltd.,D50 ¼ 45 mm) and W (Aladdin Co. Ltd., D50 ¼ 12 mm) were used asraw materials. The morphology of the powders were observedusing a scanning electron microscope (SEM, ZEISS, EVO 10) andshown in Fig. 1. In sample preparation, the Cu powders wereblended with 1 wt % alloying element (Ti or W) in a turbular mixerfor 2 h. Subsequently, the powder mixtures were cold-compactedin a floating cylinder die under a pressure of 650 MPa. Finally, thegreen compacts were sintered under flowing argon at 950 C for 2 hfor further consolidation.
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