万庆峰,田苗,陈林,赵兵,马跃忠

• 1:宁夏东方钽业股份有限公司

摘要(Abstract)：

通过显微组织观察、烧结折丝及抗氧脆性测试,研究了不同退火温度下,掺杂元素(Ge和Ce)和掺杂量对钽丝微观组织以及烧结折丝、抗氧脆性的影响。研究表明:随着Ge或Ce掺杂量的增加,钽丝的再结晶温度升高,组织晶粒细化,其中掺Ce比掺Ge细化效果更加明显;钽丝烧结折丝次数随着掺Ge或Ce量的增加而递增;在同样条件下,随着钽粉氧含量的增加,钽丝抗氧脆性变差。掺Ge和Ce的钽丝比仅掺Ge的钽丝抗氧脆性要好,而在钽粉氧含量(≤1500(10-6,质量分数))不很高时,掺Ge钽丝又要比纯钽丝的抗氧脆性要好。

关键词(KeyWords)： 钽丝;掺杂;组织;烧结折丝;抗氧脆性

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 万庆峰,田苗,陈林,赵兵,马跃忠

DOI: 10.13289/j.issn.1009-6264.2013.09.027

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