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日本冈田拓也经过研究,提出氧化铝质坯体采用低温加压工艺进行直接氮化的方法:将氧化铝质坯件在比氧化铝的融点低580℃～600℃下采用1及4MPa的加压的N_2气氛中进行了完全氮化。得到的氮化氧化铝质的结构在反应
Japanese Okuda extension has also been studied, put forward the alumina green body by low temperature pressurization process for direct nitriding: alumina blanks lower than the melting point of alumina 580 ℃ ~ 600 ℃ with 1 and 4MPa plus Pressurized N 2 atmosphere was completely nitrided. The resulting nitrided alumina structure is in reaction