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A platform for research: civil engineering, architecture and urbanism
HEAT TREATED CERAMIC SUBSTRATE HAVING CERAMIC COATING AND HEAT TREATMENT TO COATED CERAMIC
PROBLEM TO BE SOLVED: To provide a ceramic article having a ceramic substrate and a ceramic coating having initial porosity and initial amount of cracks.SOLUTION: A ceramic article containing a ceramic substrate, a non-sintered ceramic coating containing an yttrium-containing solid solution on the ceramic substrate and having a composition different from the ceramic substrate, and a transition layer containing a first element derived from the ceramic coating reacted with a second element derived from the ceramic substrate and having thickness of 1 micron to 5 micron is heat treated at one or more temperature in a temperature range between about 1000°C to about 1800°C with run plate of about 0.1°C/min. to about 20°C/min. for maximum about 24 hr., then cooled with the ran plate to obtain a ceramic article in which porosity of the ceramic coating and amount of cracks are reduced.SELECTED DRAWING: Figure 2B
【課題】セラミック基板と、初期空隙率及び初期量のクラックを有するセラミックコーティングと、を有するセラミック物品の提供。【解決手段】セラミック基板と、セラミック基板上のイットリウム含有固溶体を含む非焼結セラミックコーティングであり、セラミック基板とは異なる組成を有するセラミックコーティングと、セラミック基板とセラミックコーティングとの間に、セラミック基板由来の第２の元素と反応したセラミックコーティング由来の第１の元素を含み、１ミクロン〜５ミクロンの厚さを有する遷移層とを含むセラミック物品を、約０．１℃／分から約２０℃／分のランプレートで、約１０００℃から約１８００℃の間の温度範囲の一以上の温度で、最大約２４時間の期間熱処理し、その後、上記ランプレートで冷却することにより、上記セラミックコーティングの空隙率、及びクラックの量が減少したセラミック物品を得る。【選択図】図２Ｂ
HEAT TREATED CERAMIC SUBSTRATE HAVING CERAMIC COATING AND HEAT TREATMENT TO COATED CERAMIC
PROBLEM TO BE SOLVED: To provide a ceramic article having a ceramic substrate and a ceramic coating having initial porosity and initial amount of cracks.SOLUTION: A ceramic article containing a ceramic substrate, a non-sintered ceramic coating containing an yttrium-containing solid solution on the ceramic substrate and having a composition different from the ceramic substrate, and a transition layer containing a first element derived from the ceramic coating reacted with a second element derived from the ceramic substrate and having thickness of 1 micron to 5 micron is heat treated at one or more temperature in a temperature range between about 1000°C to about 1800°C with run plate of about 0.1°C/min. to about 20°C/min. for maximum about 24 hr., then cooled with the ran plate to obtain a ceramic article in which porosity of the ceramic coating and amount of cracks are reduced.SELECTED DRAWING: Figure 2B
【課題】セラミック基板と、初期空隙率及び初期量のクラックを有するセラミックコーティングと、を有するセラミック物品の提供。【解決手段】セラミック基板と、セラミック基板上のイットリウム含有固溶体を含む非焼結セラミックコーティングであり、セラミック基板とは異なる組成を有するセラミックコーティングと、セラミック基板とセラミックコーティングとの間に、セラミック基板由来の第２の元素と反応したセラミックコーティング由来の第１の元素を含み、１ミクロン〜５ミクロンの厚さを有する遷移層とを含むセラミック物品を、約０．１℃／分から約２０℃／分のランプレートで、約１０００℃から約１８００℃の間の温度範囲の一以上の温度で、最大約２４時間の期間熱処理し、その後、上記ランプレートで冷却することにより、上記セラミックコーティングの空隙率、及びクラックの量が減少したセラミック物品を得る。【選択図】図２Ｂ
HEAT TREATED CERAMIC SUBSTRATE HAVING CERAMIC COATING AND HEAT TREATMENT TO COATED CERAMIC
セラミックコーティングを有する熱処理されたセラミック基板及びコートされたセラミックスへの熱処理
JENNIFER Y SUN (author) / DUAN REN-GUAN (author) / BIRAJA R KANUNGO (author) / DMITRY LUBOMIRSKY (author)
2018-03-29
Patent
Electronic Resource
Japanese
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