JP7030773B2 - SiC複合材セラミックスの製造方法 - Google Patents
SiC複合材セラミックスの製造方法 Download PDFInfo
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- JP7030773B2 JP7030773B2 JP2019501544A JP2019501544A JP7030773B2 JP 7030773 B2 JP7030773 B2 JP 7030773B2 JP 2019501544 A JP2019501544 A JP 2019501544A JP 2019501544 A JP2019501544 A JP 2019501544A JP 7030773 B2 JP7030773 B2 JP 7030773B2
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- silicon carbide
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- 239000002131 composite material Substances 0.000 title claims description 56
- 239000000919 ceramic Substances 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 claims description 142
- 239000000835 fiber Substances 0.000 claims description 141
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 70
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 61
- 230000008569 process Effects 0.000 claims description 60
- 238000010438 heat treatment Methods 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 36
- 239000002243 precursor Substances 0.000 claims description 30
- 238000000576 coating method Methods 0.000 claims description 27
- 239000011248 coating agent Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 24
- 238000005229 chemical vapour deposition Methods 0.000 claims description 23
- 239000002244 precipitate Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 239000012159 carrier gas Substances 0.000 claims description 12
- 238000005253 cladding Methods 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000009954 braiding Methods 0.000 claims description 4
- 239000005055 methyl trichlorosilane Substances 0.000 claims description 4
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000003758 nuclear fuel Substances 0.000 claims description 3
- 238000001652 electrophoretic deposition Methods 0.000 claims description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 claims 7
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- 229910052799 carbon Inorganic materials 0.000 description 3
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- 238000009792 diffusion process Methods 0.000 description 3
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- 229910052582 BN Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 230000000712 assembly Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 239000003733 fiber-reinforced composite Substances 0.000 description 1
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- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- 238000007740 vapor deposition Methods 0.000 description 1
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Description
本発明は、エネルギー省との契約第DE-NE0008222号の下で政府支援を受けてなされたものである。米国政府は、本発明に対して一定の権利を有している。
Claims (18)
- 原子燃料棒被覆管用のセラミック複合材構造体を製造する方法であって、
繊維の間に空隙が確定され、内側部分と外側部分を有する結晶質炭化ケイ素繊維の管体を提供するステップと、
随意的に別個の容器内で当該結晶質炭化ケイ素繊維の管体に界面被膜を施すステップと、
当該炭化ケイ素繊維の管体を800℃~1300℃の範囲内である第1の温度以下の温度に加熱することを、(i)加熱された容器の中で当該繊維を加熱すること、(ii)当該第1の温度に加熱されたガスを当該繊維の上に流すこと、および(iii)当該繊維の中に加熱素子を挿入し、当該繊維の内側部分を外側部分より高い温度に加熱することのうちの1つにより行うステップと、
第1の容器の中で、当該繊維の空隙に結晶質炭化ケイ素の析出物を均等に浸透させることを、当該第1の温度で且つ第1の圧力で、化学気相含浸法、電気泳動蒸着法およびそれらの組み合わせのうちの1つにより行うステップと、
均等に浸透済みの当該繊維を、当該第1の容器からそれとは別個の分離された第2の容器へ移送するステップとを含み、当該第1および第2の容器は、一方の容器の状態が他方の容器の状態に影響しないように、互いに分離されており、
当該方法はさらに、
当該別個の分離された第2の容器の中で、浸透済みの当該繊維に当該炭化ケイ素複合材の被膜を施すことによって、被膜付き結晶質炭化ケイ素複合材の構造体を形成するステップを含み、当該被膜は非晶質の物質が10%未満で密度が炭化ケイ素の理論密度の95%超である耐浸食性の緻密な結晶質の外部障壁被膜であり、
当該被膜の形成は、当該第1の温度より高くて1200℃~1800℃の範囲内である第2の温度で且つ当該第1の圧力より高い第2の圧力で化学蒸着法により、被膜形成ステップの前駆体ガスおよび被膜形成ステップのキャリアガスを浸透済みの当該繊維の上に流すことにより行われ、
浸透済みの当該繊維に被膜を施すのに先立って、当該第1の温度より高いが最高で当該第2の温度である温度に浸透済みの当該繊維を均等に加熱する
方法。 - 前記浸透ステップに先立って、前記繊維を前記第1の温度から25℃以内の温度に加熱する、請求項1の方法。
- 前記結晶質炭化ケイ素繊維の管体は、少なくとも1つの型体の外部表面に結晶質炭化ケイ素繊維の上被を施し、当該上被が施された型体を加熱することにより形成される、請求項1の方法。
- 前記少なくとも1つの型体を、前記繊維の内側部分の温度が外側部分の温度より高くなるように加熱する、請求項3の方法。
- 前記浸透ステップが、浸透ステップのキャリアガスに同伴される浸透ステップの前駆体ガスを前記第1の容器に注入し、当該前駆体ガスおよび当該キャリアガスを加熱されている前記繊維の上に流すことから成る、請求項1の方法。
- 前記浸透ステップの前駆体ガスはメチルトリクロロシランであり、前記浸透ステップのキャリアガスは水素である、請求項5の方法。
- 前記第1の温度が1000℃~1200℃の範囲内である、請求項1の方法。
- 前記浸透ステップの前に別個の容器内で界面被膜を施すステップは随意的ではない、請求項1の方法。
- 浸透済みの前記繊維を前記第2の容器へ移送する前記ステップが中間容器へ移送することを含む、請求項1の方法。
- 浸透済みの前記繊維を、前記中間容器の中で、前記第1の温度より高いが最高で前記第2の温度である温度に加熱する、請求項9の方法。
- 前記被膜形成ステップの前駆体ガスはメチルトリクロロシランであり、前記被膜形成ステップのキャリアガスは水素である、請求項1の方法。
- 前記被膜形成プロセスの後に被膜付きの前記複合材構造体を冷却する、請求項1の方法。
- 前記第2の温度が1300℃~1500℃の範囲内である、請求項1の方法。
- 前記上被を施すステップが、前記型体の周りへのセラミック繊維の編組みおよび巻回のうちから選択される、請求項3の方法。
- 複数の炭化ケイ素繊維の管体が一括処理される、請求項1の方法。
- 前記型体が、前記浸透ステップの後に取り外される取外し可能な型体である、請求項14の方法。
- 前記型体が、前記繊維の内側部分を気密封止するSiC管である、請求項14の方法。
- 原子燃料棒被覆管用のセラミック複合材構造体を製造する方法であって、
少なくとも1つの型体の外部表面に、繊維の間に空隙が確定される結晶質炭化ケイ素繊維の上被である繊維上被を施すステップと、
随意的に別個の容器内で当該結晶質炭化ケイ素繊維の管体に界面被膜を施すステップと、
当該炭化ケイ素繊維の管体を800℃~1300℃の範囲内である第1の温度から25℃以内の低さにある温度に加熱することを、加熱された容器の中で当該繊維上被を加熱すること、当該第1の温度に加熱されたガスを当該繊維上被の上に流すこと、および当該繊維上被の中に加熱素子を挿入し、当該繊維上被の内側部分を外側部分より高い温度に加熱することのうちの1つにより行うステップと、
第1の容器に、第1のキャリアガスに同伴される第1の前駆体ガスを当該第1の温度で且つ第1の圧力で注入し、当該前駆体ガスおよび当該キャリアガスを当該加熱された繊維上被の上に流すことにより、当該繊維上被の空隙に結晶質炭化ケイ素の析出物を浸透させるステップと、
当該第1の容器とは別個の分離された第2の容器の壁を冷却するステップとを含み、当該第1および第2の容器は、一方の容器の状態が他方の容器の状態に影響しないように、互いに分離されており、
当該方法はさらに、
浸透済みの当該繊維上被を、当該第1の容器から当該第2の容器へ移送するステップと、
当該別個の分離された第2の容器の中で、浸透済みの当該繊維上被を当該第1の温度より高いが1200℃~1800℃の範囲内である第2の温度以下である温度に均等に加熱するステップと、
加熱された浸透済みの当該繊維上被の上に第2の前駆体ガスおよび第2のキャリアガスを流して、当該繊維上被の上に緻密で結晶質の外部障壁被膜を析出させることにより、被膜が施された結晶質炭化ケイ素複合材の構造体を形成するステップとを含み、当該緻密で結晶質の外部障壁被膜は非晶質の物質が10%未満で密度が炭化ケイ素の理論密度の95%超である
方法。
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| US15/245,933 US10899671B2 (en) | 2016-08-24 | 2016-08-24 | Process for manufacturing SiC composite ceramics |
| US15/245,933 | 2016-08-24 | ||
| PCT/US2017/047263 WO2018039021A1 (en) | 2016-08-24 | 2017-08-17 | Process for manufacturing sic composite ceramics |
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| JP (1) | JP7030773B2 (ja) |
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| JP2020029373A (ja) * | 2018-08-20 | 2020-02-27 | 株式会社フェローテックホールディングス | SiC繊維を内包する管状体 |
| US12006605B2 (en) | 2019-09-25 | 2024-06-11 | Free Form Fibers, Llc | Non-woven micro-trellis fabrics and composite or hybrid-composite materials reinforced therewith |
| EP4363630A4 (en) * | 2021-06-29 | 2025-07-09 | Free Form Fibers Llc | EMBED-WIRE CHEMICAL VAPOR DEPOSITION (EWCVD) |
| CN115231926B (zh) * | 2022-07-20 | 2023-10-27 | 洛阳理工学院 | 一种微波制备莫来石结合碳化硅陶瓷的方法 |
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- 2017-08-17 KR KR1020197008415A patent/KR102438454B1/ko active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008501977A (ja) | 2004-06-07 | 2008-01-24 | ウエスチングハウス・エレクトリック・カンパニー・エルエルシー | 原子力発電所における燃料格納容器障壁等に使用される多層セラミックチューブ |
| JP2009210266A (ja) | 2008-02-29 | 2009-09-17 | Ibiden Co Ltd | 管状体 |
| JP2016013950A (ja) | 2014-07-02 | 2016-01-28 | イビデン株式会社 | 管状体の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019531996A (ja) | 2019-11-07 |
| EP3504353B1 (en) | 2022-10-05 |
| WO2018039021A1 (en) | 2018-03-01 |
| US10899671B2 (en) | 2021-01-26 |
| EP3504353A4 (en) | 2020-04-22 |
| EP3504353A1 (en) | 2019-07-03 |
| KR20190035933A (ko) | 2019-04-03 |
| KR102438454B1 (ko) | 2022-08-30 |
| CN109496241B (zh) | 2021-10-22 |
| ES2932438T3 (es) | 2023-01-19 |
| CN109496241A (zh) | 2019-03-19 |
| US20180057413A1 (en) | 2018-03-01 |
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