The measuring methods of D C TIG welding arc anodesheet surface current density split sheet method and probe (made by ourselves) method were analysed and compared.
对直流TIG电弧阳极板表面电流密度的测量方法——分离极板法和探针（自制）法进行了分析比较。
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Results show that the oxygen content is dependant on the impurity oxygen content of the in Ta powder and is related to the anodesheet compaction, sintering and property.
In view of the importance of anode oxide film in ta electrolytic capacitor, comparative analysis is made of the influence of oxygen content in ta anodesheet. Related influence mechanism is described.