I-powder metallurgy tungsten ivamise ukuba nokusanhlamvu okuhle, okungenalutho kwayo kuvame ukukhethwa yizinga lokushisa eliphezulu lokubumba kanye nendlela yokugoqa, izinga lokushisa ngokuvamile lilawulwa phakathi kuka-1500 ~ 1600 ℃.Ngemva kokungenalutho, i-tungsten ingaphinde igoqwe, ifojiwe noma iphothwe.Abezindaba...
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