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Influence of Oxygen Pressure on the Performance of the AgSnO2 Contact Prepard by Powder Pre-oxidation
Author(s): 
Pages: 13-17
Year: Issue:  2
Journal: Electrical Engineering Materials

Keyword:  预氧化氧压AgSn合金粉AgSnO2;
Abstract: 对AgSn合金粉进行了不同氧压条件下(氧压<1.5MPa)的氧化试验,并对氧化后粉体的形貌、材料的拉拔加工性能、产品的物理性能及电性能进行了比较.结果表明,在不同的氧压条件下,AgSn合金粉的预氧化并非氧压越高第二相氧化物就分布越均匀、材料的加工性能就越好,而是存在一个较低范围的氧压,在该氧压下氧化才能保证材料既具有良好的物理性能,又具有良好的加工性能和优良的电性能.
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