Electropolishing removal of the layer of small equiaxed randomly oriented grains of tungsten initially deposited during the hydrogen reduction of WF6 eliminates variance in subsequent grain-growth behavior in the overlying columnar crystals.
Electropolishing removal of the layer of small equiaxed randomly oriented grains of tungsten initially deposited during the hydrogen reduction of WF6 eliminates variance in subsequent grain-growth behavior in the overlying columnar crystals.