JP7012911B1 - 複合セラミックス材料の製造方法 - Google Patents
複合セラミックス材料の製造方法 Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 108
- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 105
- 238000004519 manufacturing process Methods 0.000 title claims description 43
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 134
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 88
- 239000011159 matrix material Substances 0.000 claims abstract description 80
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 75
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000010703 silicon Substances 0.000 claims abstract description 57
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 57
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 33
- 229910000676 Si alloy Inorganic materials 0.000 claims abstract description 21
- 239000012783 reinforcing fiber Substances 0.000 claims description 81
- 239000002994 raw material Substances 0.000 claims description 76
- 238000005245 sintering Methods 0.000 claims description 60
- 239000000835 fiber Substances 0.000 claims description 51
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 45
- 230000008595 infiltration Effects 0.000 claims description 36
- 238000001764 infiltration Methods 0.000 claims description 36
- 238000000465 moulding Methods 0.000 claims description 36
- 239000007833 carbon precursor Substances 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 24
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 21
- 239000004917 carbon fiber Substances 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 13
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 8
- 239000012784 inorganic fiber Substances 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 38
- 239000000463 material Substances 0.000 description 29
- 229920005989 resin Polymers 0.000 description 28
- 239000011347 resin Substances 0.000 description 28
- 229910002804 graphite Inorganic materials 0.000 description 16
- 239000010439 graphite Substances 0.000 description 16
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 15
- 239000000126 substance Substances 0.000 description 8
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- 239000012778 molding material Substances 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
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- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 239000011800 void material Substances 0.000 description 5
- 238000009770 conventional sintering Methods 0.000 description 4
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- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
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- 229910000531 Co alloy Inorganic materials 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- ZEASXVYVFFXULL-UHFFFAOYSA-N amezinium metilsulfate Chemical compound COS([O-])(=O)=O.COC1=CC(N)=CN=[N+]1C1=CC=CC=C1 ZEASXVYVFFXULL-UHFFFAOYSA-N 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
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- 238000012710 chemistry, manufacturing and control Methods 0.000 description 1
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Abstract
Description
図1は、実施の形態1に係る複合セラミックス材料10のマトリックス11の構成を示す断面図である。図2は、実施の形態1に係る複合セラミックス材料10の構成を示す断面図である。図1及び図2を用いて複合セラミックス材料10の構成について説明する。
以下、実施例により本開示のマトリックス11の詳細を説明するが、これらによって本開示の内容が限定されるものではない。なお実施例に用いた各原料は、上述した市販品である。まず、炭化ホウ素粉末と、炭素プリカーサの樹脂と、マトリックス充填剤である炭化ケイ素と、の各原料を重量比37:15:3で混合した後、混合物を金型に充填し、150℃まで加熱して硬化させて成形体を得た。
図3は、実施の形態2に係る複合セラミックス材料10の製造方法のフローを示す図である。なお、実施の形態1に係る複合セラミックス材料10と同一の構成要素については、同一の符号を付してその説明を省略する。図3を用いて、複合セラミックス材料10の製造方法について説明する。
以下、実施例により本開示の複合セラミックス材料10の製造方法の詳細を説明するが、これらによって本開示の内容が限定されるものではない。実施例で用いた原料は、炭化ホウ素に3M社製のボロンカーバイド粉末F500を用い、炭素プリカーサに群栄化学工業社製のPG-9400を用いた。また、実施例で用いた原料は、黒鉛に三菱ケミカル株式会社製のK6371Mを用い、及び、マトリックス充填剤の炭化ケイ素に太平洋ランダム株式会社製のGMF1000H2を用いた。
図4は、実施の形態3に係る複合セラミックス材料10において強化繊維1をロッドの芯に複合化する成形プロセスのフローを示す図である。なお、実施の形態1及び実施の形態2に係る複合セラミックス材料10と同一の構成要素については、同一の符号を付してその説明を省略する。図4を用いて、成形工程(ステップS2)を中心に、強化繊維1を複合化する方法の一例について説明する。
実施例で用いた原料は、炭化ホウ素に3M社製のボロンカーバイド粉末F500を用い、炭素プリカーサに群栄化学工業社製のPG-9400を用いた。また実施例で用いた原料は、黒鉛に三菱ケミカル株式会社製のK6371Mを用い、及び、マトリックス充填剤の炭化ケイ素に太平洋ランダム株式会社製のGMF1000H2を用いた。
Claims (4)
- 炭化ホウ素粉末と、粉末のフェノール樹脂を含む炭素プリカーサと、マトリックス充填剤とを混合し、混合原料を生成する混合工程と、
成形型に前記混合原料と強化繊維とを充填し、前記混合原料を加熱及び加圧して成形体を成形する成形工程と、
前記成形体を不活性雰囲気中又は真空中で加熱処理し、前記炭素プリカーサを炭化させて焼成体を得る熱処理工程と、
前記焼成体を不活性雰囲気中又は真空中で加熱し、金属シリコン又はシリコン合金を溶融して前記焼成体に含侵させる溶浸工程と、
前記焼成体に含侵した前記金属シリコン又は前記シリコン合金を、前記焼成体の炭素と反応させて炭化ケイ素を生成させ、前記焼成体を焼結させる反応焼結工程と、
を有し、
前記マトリックス充填剤の一部が炭化ケイ素粉末である複合セラミックス材料の製造方法。 - 前記熱処理工程と前記溶浸工程との間に、前記焼成体を部品形状に加工してサブストレートを形成する加工工程を有し、
前記加工工程を有する場合には、前記溶浸工程及び前記反応焼結工程における前記焼成体は、前記サブストレートである請求項1に記載の複合セラミックス材料の製造方法。 - 前記強化繊維が、炭素繊維、ボロン繊維、無機繊維のいずれか1つ、または、炭素繊維、ボロン繊維、無機繊維のいずれか2つ以上を組み合わせたものである請求項1又は2に記載の複合セラミックス材料の製造方法。
- 前記混合原料における粉末原料の平均粒度分布が、2水準以上異なる分布である請求項1~3のいずれか1項に記載の複合セラミックス材料の製造方法。
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