JP2016044122A - 成形体を生成するための方法および成形体 - Google Patents
成形体を生成するための方法および成形体 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 68
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 66
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 49
- 239000011159 matrix material Substances 0.000 claims abstract description 36
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 21
- 239000010703 silicon Substances 0.000 claims abstract description 21
- 239000011230 binding agent Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 15
- 238000000197 pyrolysis Methods 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 238000005229 chemical vapour deposition Methods 0.000 claims description 5
- 239000004643 cyanate ester Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000007849 furan resin Substances 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920005573 silicon-containing polymer Polymers 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 238000005979 thermal decomposition reaction Methods 0.000 abstract description 3
- 239000007767 bonding agent Substances 0.000 abstract 2
- 238000010304 firing Methods 0.000 description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229920001568 phenolic resin Polymers 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002289 liquid silicon infiltration Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Abstract
【解決手段】シリコンカーバイド支持マトリックス50と一体のカーボン構造とを有する成形体22を生成するための方法および成形体に関し、シリコンカーバイド50またはシリコンとカーボンとを含有する粉末混合物53と結合剤51とに基づく基体が生成的な方法で層状に形成され、結合剤51が硬化された後に成形体を実現するために基体の熱分解56が行なわれ、カーボン構造のカーボン含有量は、結合剤51の熱分解によって、および、粉末混合物53のカーボン含有量、または、シリコンカーバイド支持マトリックス50中ヘのカーボン材料の浸透によって調整される。
【選択図】図8
Description
粉末混合物が0.5〜100μmの平均粒径Ds50の粒子を有するSiC粒子画分を与える場合には、特に完全に混合された粉末混合物が得られる。また、成形体の望ましい物理特性を容易に調整できる。
平均粒径Ds50が2〜60μmであれば特に良好な結果を得ることができる。
本発明によれば、成形体は、シリコンカーバイドまたはシリコンとカーボンとを含有する粉末混合物と結合剤とに基づいて生成的な方法で層状に形成される基体を有する、シリコンカーバイド支持マトリックスと一体のカーボン構造とを与え、この場合、成形体は重量10〜30%のカーボン含有量を有する。
特に好ましい実施形態では、成形体がシェル状となるように構造化され、それにより、例えば電気的に加熱され得るベアリングシェルとして或いはスリーブ状加熱素子としての形態を意味する、技術的用途に適合される成形体の形態が可能となる。
Claims (22)
- シリコンカーバイド支持マトリックス(21)と一体のカーボン構造(23)とを有する成形体(22、40)を生成するための方法であって、シリコンカーバイドまたはシリコンとカーボンとを含有する粉末混合物(50)と結合剤(51)とに基づく基体が生成的な方法で層状に形成され、前記結合剤が硬化された後に前記成形体を実現するために前記基体の熱分解(56)が行なわれ、前記カーボン構造のカーボン含有量は、前記結合剤の熱分解によって、および、前記粉末混合物のカーボン含有量、または、前記シリコンカーバイド支持マトリックス中ヘのカーボン材料の浸透によって調整される、方法。
- 前記粉末混合物(50)が重量0〜30%のカーボン含有量を有することを特徴とする請求項1に記載の方法。
- 前記粉末混合物(50)が重量10〜20%のカーボン含有量を有することを特徴とする請求項2に記載の方法。
- 前記粉末混合物(50)は、0.5〜100μmの平均粒径Ds50の粒子を有するSiC粒子画分を与えることを特徴とする請求項1から3のいずれか一項に記載の方法。
- 前記平均粒径Ds50が2〜60μmであることを特徴とする請求項4に記載の方法。
- 前記平均粒径Ds50が3〜10μmであることを特徴とする請求項5に記載の方法。
- 前記成形体(22、40)のカーボン含有量を調整するために、前記基体の前記熱分解(56)後に、前記シリコンカーバイド支持マトリックス(21)にポリマーを浸透させ、前記ポリマーは、その後の熱分解の助けによってカーボンへと変換されることを特徴とする請求項1から6のいずれか一項に記載の方法。
- 前記ポリマーとして、特にシロキサン、シラザン、カルボシロキサン、カルボシラザン、カルボシランなどのシリコン含有ポリマーまたはシリコンカーバイド含有ポリマーが使用されることを特徴とする請求項7に記載の方法。
- 前記ポリマーとして、特にポリイミド、シアン酸塩エステル樹脂などのプレポリマーが使用されることを特徴とする請求項7に記載の方法。
- 前記ポリマーとして、フェノール樹脂、フラン樹脂、シアン酸塩エステル樹脂が使用されることを特徴とする請求項7に記載の方法。
- 前記熱分解(56)後に前記シリコンカーバイド支持マトリックス(21)にシリコンが浸透されることを特徴とする請求項1から10のいずれか一項に記載の方法。
- 前記熱分解(56)後に前記シリコンカーバイド支持マトリックス(21)にシリコンカーバイドが浸透されることを特徴とする請求項1から10のいずれか一項に記載の方法。
- シリコンカーバイドの蒸着によって前記シリコンカーバイド支持マトリックス(21)にシリコンカーバイドが浸透されることを特徴とする請求項12に記載の方法。
- シリコンカーバイドの前記蒸着がCVI法及び/又はCVD法で行なわれることを特徴とする請求項13に記載の方法。
- シリコンカーバイド支持マトリックス(21)と一体のカーボン構造(23)とを有する成形体(22、40)であって、シリコンカーバイドまたはシリコンとカーボンとを含有する粉末混合物(50)と結合剤(51)とに基づいて生成的な方法で層状に形成される基体を有し、前記成形体が重量10〜30%のカーボン含有量を有する、成形体(22、40)。
- 前記成形体(22、40)を実現するための材料は、150〜800マイクロオームの比抵抗を有することを特徴とする請求項15に記載の成形体。
- 前記成形体(22、40)を実現するための材料は、300〜600マイクロオームの比抵抗を有することを特徴とする請求項15に記載の成形体。
- シェル状の実現を特徴とする請求項15から17のいずれか一項に記載の成形体。
- 格子構造(45)としての実現を特徴とする請求項15から17のいずれか一項に記載の成形体。
- 抵抗加熱素子としての使用を特徴とする請求項15から19のいずれか一項に記載の成形体。
- スタティックミキサーとしての使用を特徴とする請求項15から19のいずれか一項に記載の成形体。
- 軸受体としての使用を特徴とする請求項15から19のいずれか一項に記載の成形体。
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WO2018196965A1 (en) * | 2017-04-26 | 2018-11-01 | Università Degli Studi Di Pavia | Manufacture of ceramic objects by 3d-printing |
DE102017110362A1 (de) * | 2017-05-12 | 2018-11-15 | Psc Technologies Gmbh | Verfahren zur Herstellung von siliciumcarbidhaltigen dreidimensionalen Objekten |
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DE102017217358A1 (de) * | 2017-09-28 | 2019-03-28 | Sgl Carbon Se | Verfahren zur Herstellung von komplexen geometrischen Bauteilen enthaltend Kohlenstoff oder Siliziumkarbid |
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DE102018208427B4 (de) * | 2018-05-28 | 2022-03-17 | Brembo Sgl Carbon Ceramic Brakes Gmbh | Verfahren zur Herstellung eines Bauteils, das Bauteil selber und dessen Verwendung |
FR3086286B1 (fr) * | 2018-09-20 | 2021-07-02 | Commissariat Energie Atomique | Procede de fabrication d'une piece densifiee consolidee en ceramique ou en carbone. |
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EP2987779A1 (de) | 2016-02-24 |
CN105367129B (zh) | 2018-03-20 |
DE102014216433A1 (de) | 2016-02-25 |
CN105367129A (zh) | 2016-03-02 |
KR20160022263A (ko) | 2016-02-29 |
US20160052829A1 (en) | 2016-02-25 |
US9926237B2 (en) | 2018-03-27 |
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