The grain size and distribution during reduction of rare earth powder and
tungsten powder will also influence the quality of rare earth tungstenelectrode. Because of adding rare earth nitrate into APT, its reduction
temperature is higher than the APT itself. The grain size is mainly controlled
by the boat loading capacity and temperature difference in the reduction
furnace. Good control of the temperature can reduce out better size of rare
earth doped tungsten powder.
More details, please feel free to contact us by email sales@chinatungsten.com.
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