JP6952120B2 - セラミック接合体およびその製造方法 - Google Patents
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Description
11 第1焼結体
12 第2焼結体
13 接合層
14 凸部
Claims (7)
- 第1の酸化アルミニウム質焼結体と、第2の酸化アルミニウム質焼結体と、前記第1の酸化アルミニウム質焼結体と前記第2の酸化アルミニウム質焼結体との間に位置する酸化アルミニウム質接合層と、該酸化アルミニウム質接合層に繋がる酸化アルミニウム質凸部と、を有するセラミック接合体であって、
該酸化アルミニウム質凸部の閉気孔の平均径が、1.5μm以下であるとともに前記第1の酸化アルミニウム質焼結体および前記第2の酸化アルミニウム質焼結体のそれぞれの閉気孔の平均径の0.8倍以上1.5倍以下である、セラミック接合体。 - 前記酸化アルミニウム質凸部の閉気孔の平均径が、前記第1の酸化アルミニウム質焼結体および前記第2の酸化アルミニウム質焼結体のそれぞれの閉気孔の平均径よりも小さい、請求項1に記載のセラミック接合体。
- 前記酸化アルミニウム質凸部の閉気孔の重心間距離の歪度Skの絶対値が前記第1の酸化アルミニウム質焼結体および前記第2の酸化アルミニウム質焼結体のそれぞれの重心間距離の歪度Skの絶対値よりも小さい領域を有する、請求項1または請求項2に記載のセラミック接合体。
- 前記酸化アルミニウム質凸部の閉気孔の重心間距離の平均値から前記酸化アルミニウム質凸部の閉気孔の平均径を差し引いた値が、前記第1の酸化アルミニウム質焼結体の閉気孔の重心間距離の平均値から前記第1の酸化アルミニウム質焼結体の閉気孔の平均径を差し引いた値の0.4倍以上であり、前記第2の酸化アルミニウム質焼結体の閉気孔の重心間距離の平均値から前記第2の酸化アルミニウム質焼結体の閉気孔の平均径を差し引いた値の0.4倍以上である、請求項1乃至請求項3のいずれかに記載のセラミック接合体。
- 前記酸化アルミニウム質凸部の閉気孔の円相当径の歪度Skは、前記酸化アルミニウム質凸部の閉気孔の重心間距離の歪度Skよりも大きい、請求項1乃至請求項4のいずれかに記載のセラミック接合体。
- 前記酸化アルミニウム質凸部の閉気孔の円形度の平均値が0.78以上である、請求項1乃至請求項3のいずれかに記載のセラミック接合体。
- 請求項1乃至6のいずれかに記載のセラミック接合体の製造方法であって、
酸化アルミニウムを主成分とする粉末と樹脂とを含有する第1成形体と、酸化アルミニウムを主成分とする粉末と樹脂とを含有する第2成形体とを準備する工程と、
酸化アルミニウムを主成分とする粉末とセルロース系多糖類と溶媒とを含有するペーストを準備する工程と、
前記第1成形体および前記第2成形体のいずれかの表面に前記ペーストを存在させる工程と、
前記第1成形体と前記第2成形体との間である接合領域から前記ペーストが突出するように前記第1成形体および前記第2成形体を合わせて複合成形体とする工程と、前記複合成形体を焼成する工程とを、有する、セラミック接合体の製造方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017163995 | 2017-08-29 | ||
| JP2017163995 | 2017-08-29 | ||
| PCT/JP2018/031950 WO2019044906A1 (ja) | 2017-08-29 | 2018-08-29 | セラミック接合体およびその製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JPWO2019044906A1 JPWO2019044906A1 (ja) | 2020-08-27 |
| JP6952120B2 true JP6952120B2 (ja) | 2021-10-20 |
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| Country | Link |
|---|---|
| US (1) | US11999660B2 (ja) |
| JP (1) | JP6952120B2 (ja) |
| KR (1) | KR102387056B1 (ja) |
| WO (1) | WO2019044906A1 (ja) |
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| JP7325543B2 (ja) * | 2020-01-10 | 2023-08-14 | 京セラ株式会社 | セラミック接合体、セラミック接合体の製造方法、流路切替弁用ステータおよび流路切替弁 |
| KR102884308B1 (ko) * | 2020-12-09 | 2025-11-11 | 교세라 가부시키가이샤 | 기포율 센서, 이것을 사용한 유량계 및 극저온 액체 이송관 |
| KR102895539B1 (ko) * | 2021-01-29 | 2025-12-04 | 교세라 가부시키가이샤 | 기포율 센서, 이것을 사용한 유량계 및 극저온 액체 이송관 |
| TW202321604A (zh) * | 2021-11-22 | 2023-06-01 | 美商摩特股份有限公司 | 多孔流量限制器及其製造方法 |
| JP7727050B1 (ja) * | 2024-05-23 | 2025-08-20 | 神島化学工業株式会社 | セラミックス部材接合体の製造方法、セラミックス部材接合体及びセラミックス部材 |
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| JP4476557B2 (ja) * | 2003-03-25 | 2010-06-09 | 日本碍子株式会社 | セラミックス構造体の接合方法 |
| WO2007111380A1 (en) * | 2006-03-24 | 2007-10-04 | Ngk Insulators, Ltd. | Method for producing sintered body, and sintered body |
| US8349111B2 (en) * | 2006-08-14 | 2013-01-08 | Ceramatec, Inc. | Method for joining ceramic components |
| WO2008096851A1 (ja) * | 2007-02-08 | 2008-08-14 | Ngk Insulators, Ltd. | 接合材組成物及びその製造方法並びに接合体及びその製造方法 |
| JPWO2009095982A1 (ja) * | 2008-01-28 | 2011-05-26 | イビデン株式会社 | ハニカム構造体 |
| JP5761636B2 (ja) * | 2011-02-18 | 2015-08-12 | 国立研究開発法人産業技術総合研究所 | アルミナ接合体及びアルミナ焼結体の接合方法 |
| JP6066644B2 (ja) | 2012-09-26 | 2017-01-25 | 日本特殊陶業株式会社 | セラミックス接合体の製造方法 |
| JP6196492B2 (ja) * | 2013-07-31 | 2017-09-13 | 日本特殊陶業株式会社 | アルミナセラミックス接合体の製造方法 |
| JP6263351B2 (ja) | 2013-08-30 | 2018-01-17 | 日本特殊陶業株式会社 | セラミックス焼結体およびその製造方法 |
| JP6305310B2 (ja) * | 2014-10-17 | 2018-04-04 | 日本特殊陶業株式会社 | アルミナセラミックス接合体及びその製造方法 |
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- 2018-08-29 JP JP2019539586A patent/JP6952120B2/ja active Active
- 2018-08-29 KR KR1020207003257A patent/KR102387056B1/ko active Active
- 2018-08-29 WO PCT/JP2018/031950 patent/WO2019044906A1/ja not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019044906A1 (ja) | 2019-03-07 |
| JPWO2019044906A1 (ja) | 2020-08-27 |
| KR102387056B1 (ko) | 2022-04-15 |
| US11999660B2 (en) | 2024-06-04 |
| KR20200024910A (ko) | 2020-03-09 |
| US20200346984A1 (en) | 2020-11-05 |
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