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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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机械合金化Ag-3OCr合金在0.1MPa纯氧气中的氯化
, PP. 995-998
Keywords: 机械合金化,Ag—Cr合金,氧化
Abstract:
采用机械合金化方法制备了Cr含量为30％(质量分数)的两相颗粒极细的Ag—Cr合金，在700℃，800℃及0．1MPa纯氧气中氧化时，机械合金化Ag-30Cr合金外层为Ag层，其下方为复合氧化物AgCrO2，最内层为连续的Cr2O3，这一结构不同于粗晶粒粉末冶金Ag—Cr合金的复杂的混合氧化膜。这主要是由于晶粒的细化加快了Cr颗粒的溶解，加速了Cr从合金到膜的扩散，从而有效地促进Cr2O3层的形成.
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