JP2009067989A - 摩擦体の製造方法 - Google Patents
摩擦体の製造方法 Download PDFInfo
- Publication number
- JP2009067989A JP2009067989A JP2008190025A JP2008190025A JP2009067989A JP 2009067989 A JP2009067989 A JP 2009067989A JP 2008190025 A JP2008190025 A JP 2008190025A JP 2008190025 A JP2008190025 A JP 2008190025A JP 2009067989 A JP2009067989 A JP 2009067989A
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- Prior art keywords
- fiber bundle
- friction
- friction layer
- mixture
- matrix
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000000835 fiber Substances 0.000 claims abstract description 190
- 239000002131 composite material Substances 0.000 claims abstract description 101
- 239000011159 matrix material Substances 0.000 claims abstract description 61
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 30
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- 238000000034 method Methods 0.000 claims description 20
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- 239000000463 material Substances 0.000 claims description 17
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
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- 229910033181 TiB2 Inorganic materials 0.000 description 1
- 229910034327 TiC Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
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- 230000009471 action Effects 0.000 description 1
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- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 150000004676 glycans Chemical class 0.000 description 1
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- MELCCCHYSRGEEL-UHFFFAOYSA-N hafnium diboride Chemical compound [Hf]1B=B1 MELCCCHYSRGEEL-UHFFFAOYSA-N 0.000 description 1
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
- C04B35/573—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide obtained by reaction sintering or recrystallisation
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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
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- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/008—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of an organic adhesive, e.g. phenol resin or pitch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
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- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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Abstract
【解決手段】繊維束により強化されセラミックスマトリクスを含む、2以上の複合材料からなる摩擦又は滑り体に関する。第一複合材料は摩擦層として滑り体の外側を形成し、第二複合材料は摩擦層に面接合された支持体を形成する。摩擦層の繊維束長は支持体の繊維束長よりも著しく短い。摩擦層の繊維束は、これに関して表面に対して垂直に整列されている。摩擦層の表面は1.2mm以下の直径を持つ遊離炭素の十分に小さな領域からなり、表面上の遊離炭素領域の総面積は35%以下である。表面は非常に微細なクラック構造であり、摩擦層は実質的に表面近傍に応力を持たない。
【選択図】なし
Description
長の割合は、通常1.35〜7、好適には1.5〜5、特に好適には1.8〜2.3である。
一方(比較例)で、未公開の独国特許願第19944345.9号明細書に記載されたC/SiC複合材料だけからなるブレーキディスクの動作と、他方(実施例)で本発明によるブレーキディスクとして支持体及び支持体の両側に積層された二つの摩擦層が比較試料の複合材料から製造されたブレーキディスクの動作を、両例を参照して以下に比較する。
Claims (5)
- 少なくとも2つの複合材料からなり、これら材料が各々繊維束で強化され、かつセラミックスマトリクスを含む摩擦体の製造方法であって、
第1の複合材料は摩擦体層として摩擦体の外側を形成し、第2の複合材料は支持体として第1の複合材料に面接合されているものにおいて、
これら2つの複合材料の各々を製造するために、繊維束の2つの異なった束が混合プロセスにおいて少なくとも1つの炭化処理可能な結合剤と共に混合され、
摩擦層のための混合物が、混合の後に粒状化処理され、そして
前記混合物が、次いでモールド体を形成すべく加圧下に圧縮され、該モールド体は更なる製造工程において炭化され、そして最後の製造工程において、液体珪素又は鉄、クロム、チタニウム、モリブデン、ニッケル又はアルミニウムの珪素合金の溶浸により珪化処理され、この際
支持体のための混合物内において、混合物の50〜99重量%が繊維束からなり、該繊維束は強化繊維束部と、マトリクス繊維束部を含み、ここで
支持体の強化繊維束部は、混合物内に20〜80%の重量比で存在し、4〜20mmの平均繊維束長と0.02〜5mmの平均繊維束幅を持ち、そして
支持体のマトリクス繊維束は、10〜40%の重量比にて混合物内に存在し、0.2〜5mmの平均繊維束長と、0.02〜2mmの平均繊維束幅を有し、そして
繊維束長は、強化繊維束の平均繊維長と、マトリクス繊維束の平均繊維長との比が1.5〜10となるように選ばれており、更に
摩擦層のための混合物内において、混合物の35〜90重量%が強化繊維束部とマトリクス繊維束部からなっておリ、ここで
摩擦層の強化繊維束部が混合物内に0〜55%の重量比で存在し、そして
0.5〜8mmの平均繊維束長と、0.01〜1.5mmの平均繊維束幅を持っており、更に
摩擦層のマトリクス繊維束部が、混合物内に12〜55%の重量比で存在し、そして前記繊維束部が0.25〜4mmの平均繊維束長と0.001〜0.6mmの平均繊維束幅を持ち、更に
繊維長が、強化繊維束部の平均繊維束長と、マトリクス繊維束部の平均繊維束長との比が1.35〜7であるように選ばれている
ことを特徴とする摩擦体の製造方法。 - 炭化可能なバインダが、熱可塑性樹脂、フェノール樹脂、フラン樹脂、ポリアクリレート樹脂、ポリアミド樹脂、シアネート樹脂およびエポキン樹脂からなる群から選んだ樹脂又はメソファシックピッチ、コールタールピッチおよび石油ピッチからなる群から選んだ固体又は液体のピッチの何れかである請求項1記載の方法。
- 摩擦体のための複合材科が、支持体のためのモールド材料と摩擦層のための粒状物との圧縮により結合される請求項1記載の方法。
- 炭素繊維で強化された炭素体が、支持体および摩擦層のための混合物の縮小化とそれに続く炭化により形成され、前記炭素体は、これらをアレーを形成すべく他の炭素体上に置きそしてこのアレーを炭化することにより結合される請求項1記載の方法。
- 炭化可能なバインダがフェノール樹脂、フラン樹脂、シアネート樹脂、又はエポキシ樹脂を含み、そして
CFKモールド体を形成すべく、圧縮されたモールド体が、モールドされた部品を硬化すべく熱処理され、そして
CFKモールド体が炭化可能な接着剤を用いて結合され、結合された部品が共に炭化されそして最終的に珪化される請求項2記載の方法。
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US (1) | US6703117B2 (ja) |
EP (1) | EP1216213B1 (ja) |
JP (2) | JP2004509792A (ja) |
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US20030003286A1 (en) | 2003-01-02 |
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EP1216213A1 (de) | 2002-06-26 |
US6703117B2 (en) | 2004-03-09 |
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JP2004509792A (ja) | 2004-04-02 |
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