【摘要】 叙述了国际上测定金属粉末中氧含量的几种常用方法,各种方法所得结果及其在工艺上的作用。详细介绍了《金属粉末中可被氢还原氧含量的测定》国家标准(GB4164)与现行国际及各国相应标准的比较。GB4164—84具有能消除碳干扰、应用范围广、氢气净化效果好及测定速度快的优点。更多还原

【Abstract】 Several conventional and international methods for determinating oxygen contents in metal powders the values obtained by these methods and their effects on technology have been described. A detail comparison has bean made between the national standard GB 4164-84《Determination of Reducible Oxygen Contents by Hydrogen in Metal Powders and the current international and corresponding standards in various countries. GB4164-84 has the advantages of eliminating interference from carbon, wide range of applications, good efficiency of purification of hydrogen gas and rapid determination.更多还原