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Microwave Assisted Processing of Ceramics

机译：微波辅助陶瓷加工

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摘要

Microwave heating can provide cost and time effective processing routes for ceramic systems. Microwave heating assisted drying of green compacts, low temperature sintering of certain oxides, and partial or complete nitridization, carburization or reduction of hemi-oxides have been attempted recently. Using a multi-mode microwave cavity, we were able to reduce MeO_x (where Me = Cu and Ag) to their sub-oxides or base metal at close to room temperature within minutes. The product sub-oxides or metals were identified and characterized for their crystallinity and phase purity. The results suggest that the microwave heating can provide an alternative, cost effective route for alloying for certain metals. The criteria for effectiveness of microwave heating and the coupling between the materials and the electromagnetic wave are discussed.
机译：微波加热可以为陶瓷系统提供节省成本和时间的有效处理途径。最近尝试了微波加热辅助生坯的干燥，某些氧化物的低温烧结以及半氧化物的部分或全部氮化，渗碳或还原。使用多模式微波腔，我们能够在数分钟内将MeO_x（其中Me = Cu和Ag）还原为它们的低价氧化物或贱金属。鉴定产物亚氧化物或金属并表征其结晶度和相纯度。结果表明，微波加热可以为某些金属的合金化提供另一种经济高效的途径。讨论了微波加热的有效性标准以及材料与电磁波之间的耦合。

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