Effect of Si addition on phase evolution and microstructure in Y2O3 dispersed tungsten (W) and W-based alloys synthesized via mechanical alloying and consecutive …
The present research reports the fabrication of nano-scale yttria (0.3 wt%) dispersed pure W,
W-10Ni, W-10Ni-3Co, W-1Si, W-10Ni-1Si, and W-10Ni-3Co-1Si alloys by mechanical
alloying (MA) of W, Ni, Co, Y 2 O 3, and Si powders for 10 h and consecutive consolidation
via conventional sintering under H 2 gas atmosphere at 1500° C for 2 h. It has been found
that the addition of 1 wt% Si causes a faster reduction in particle size and results in more fine
and uniform particles. The X-Ray diffraction (XRD) and transmission electron microscopy …
W-10Ni, W-10Ni-3Co, W-1Si, W-10Ni-1Si, and W-10Ni-3Co-1Si alloys by mechanical
alloying (MA) of W, Ni, Co, Y 2 O 3, and Si powders for 10 h and consecutive consolidation
via conventional sintering under H 2 gas atmosphere at 1500° C for 2 h. It has been found
that the addition of 1 wt% Si causes a faster reduction in particle size and results in more fine
and uniform particles. The X-Ray diffraction (XRD) and transmission electron microscopy …
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