JP2022533198A - 自動車の摩擦ブレーキ用の摩擦制動体、摩擦ブレーキおよび摩擦制動体を製造する方法 - Google Patents
自動車の摩擦ブレーキ用の摩擦制動体、摩擦ブレーキおよび摩擦制動体を製造する方法 Download PDFInfo
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Abstract
Description
自動車用の摩擦ブレーキは、一般に、摩擦制動体として、ブレーキディスクと、ブレーキパッドを備えた少なくとも1つの制輪子とを有する。制輪子は、制動作用を得るために、ブレーキディスクに押し付けられる。ブレーキディスクは、一般に、自動車の車輪に相対回動不能に結合されており、制輪子は、車体に取り付けられて変位可能に配置されている。制輪子がブレーキディスクに押し付けられると、制輪子とブレーキディスクとの間の摩擦接触に基づきブレーキディスクに擦傷が生じて、ブレーキディスクの摩耗ならびにブレーキ粉塵を発生させ、ブレーキ粉塵は周囲環境に達してしまう。この摩耗を低減するために、摩擦制動体の、少なくとも制輪子との接触領域に、摩耗防護層を設けることが知られている。例えば、摩擦制動体の、ねずみ鋳鉄から作製された基体に、超硬合金または炭化物を基礎とする摩耗防護層を被着することが知られている。さらに、摩耗防護層と基体との間に、特にこの摩耗防護層と基体との間の定着剤および防食層として働く中間層を設けることが知られている。
請求項1の特徴を有する本発明に係る摩擦制動体は、中間層への摩耗防護層の付着、ならびに摩擦制動体の耐亀裂性および耐食性が改善されるという利点を有する。このためには、中間層が、本発明によれば、金属製の中間層であり、レーザ肉盛溶接によって基体に被着されている。
Claims (12)
- 自動車の摩擦ブレーキ用の摩擦制動体(1)、特にブレーキディスク(2)であって、
特にねずみ鋳鉄から作製された基体(3)と、
前記基体(3)に被着された少なくとも1つの摩耗防護層(5)と、
前記摩耗防護層(5)と前記基体(3)との間に位置する少なくとも1つの中間層(6)と、
を備える、摩擦制動体(1)において、
前記中間層(6)は、レーザ肉盛溶接によって被着された金属製の中間層(6)であることを特徴とする、摩擦制動体(1)。 - 前記中間層(6)は、ニッケル系合金、コバルト系合金または鉄系合金であることを特徴とする、請求項1記載の摩擦制動体。
- 前記中間層(6)は、少なくとも2相の組織を有することを特徴とする、請求項1または2記載の摩擦制動体。
- 各々の前記相は、前記中間層(6)の少なくとも5体積%を構成することを特徴とする、請求項1から3までのいずれか1項記載の摩擦制動体。
- 前記摩耗防護層(5)は、溶射またはレーザ肉盛溶接によって前記中間層(6)に被着された摩耗防護層(5)であることを特徴とする、請求項1から4までのいずれか1項記載の摩擦制動体。
- 前記中間層(6)の前記摩耗防護層(5)側の表面が、熱的に前処理されていることを特徴とする、請求項1から5までのいずれか1項記載の摩擦制動体。
- 前記摩耗防護層(5)は、セラミック製のコーティングとして形成されているか、または炭化物、酸化物、窒化物もしくはホウ化物から成る硬質材料粒子が挿入された鉄系合金として形成されていることを特徴とする、請求項1から6までのいずれか1項記載の摩擦制動体。
- 前記中間層(6)の層厚さが、前記摩耗防護層(5)に挿入された前記硬質材料粒子の平均粒径の少なくとも2倍に相当することを特徴とする、請求項1から7までのいずれか1項記載の摩擦制動体。
- 自動車用の摩擦ブレーキであって、
少なくとも1つのブレーキディスク(2)と、
前記ブレーキディスク(2)に対応配置された変位可能な少なくとも1つの制輪子と、
を備える、摩擦ブレーキにおいて、
前記ブレーキディスク(2)は、請求項1から8までのいずれか1項記載の摩擦制動体(1)として形成されていることを特徴とする、摩擦ブレーキ。 - 自動車の摩擦ブレーキ用の摩擦制動体(1)を製造する方法であって、
特にねずみ鋳鉄から作製された基体(3)に、少なくとも1つの摩耗防護層(5)と、該摩耗防護層(5)と前記基体(3)との間に位置する少なくとも1つの金属製の中間層(6)と、を設ける、方法において、
前記中間層(6)をレーザ肉盛溶接によって前記基体(3)に被着することを特徴とする、方法。 - 前記中間層(6)を、該中間層(6)が少なくとも2相の組織を有するように、前記基体(3)に被着することを特徴とする、請求項10記載の方法。
- 前記中間層(6)を、該中間層(6)の層厚さが、前記摩耗防護層(5)に挿入された硬質材料粒子の平均粒径の少なくとも2倍に相当するように、前記基体(3)に被着することを特徴とする、請求項10または11記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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DE102019207292.5A DE102019207292A1 (de) | 2019-05-18 | 2019-05-18 | Reibbremskörper für eine Reibbremse eines Kraftfahrzeugs, Reibbremse und Verfahren zum Herstellen eines Reibbremskörpers |
DE102019207292.5 | 2019-05-18 | ||
PCT/EP2020/063588 WO2020234144A1 (de) | 2019-05-18 | 2020-05-15 | Reibbremskörper für eine reibbremse eines kraftfahrzeugs, reibbremse und verfahren zum herstellen eines reibbremskörpers |
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JP (1) | JP7309921B2 (ja) |
CN (1) | CN113811699B (ja) |
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DE102019207291A1 (de) * | 2019-05-18 | 2020-11-19 | Robert Bosch Gmbh | Reibbremskörper für eine Reibbremse, Reibbremse und Verfahren zur Herstellung |
EP4029966A1 (de) * | 2021-01-15 | 2022-07-20 | Ford Global Technologies, LLC | Verfahren zur herstellung einer beschichteten grauguss-bremsscheibe |
US20230093175A1 (en) * | 2021-09-23 | 2023-03-23 | Goodrich Corporation | Systems and methods for manufacturing wear pads |
DE102021214946A1 (de) | 2021-12-22 | 2023-06-22 | Volkswagen Aktiengesellschaft | Bremsscheibe für eine Reibungsbremse eines Kraftfahrzeugs und Verfahren zur Herstellung derselben |
DE102022202786A1 (de) | 2022-03-22 | 2023-09-28 | Psa Automobiles Sa | Verfahren zum Aufarbeiten einer durch Abrieb abgenutzten Bremsscheibe für ein Fahrzeug sowie Bremsscheibe |
DE102022203016A1 (de) | 2022-03-28 | 2023-09-28 | Volkswagen Aktiengesellschaft | Bremsscheibe für eine Reibungsbremse eines Kraftfahrzeugs und Verfahren zur Herstellung derselben |
DE102022205963A1 (de) | 2022-06-13 | 2023-12-14 | Volkswagen Aktiengesellschaft | Oberflächenschicht für einen Grundkörper aus Grauguss oder einem ferritischen Stahl, Grundkörper mit einer solchen Oberflächenschicht sowie Verfahren zur Herstellung eines Bremskörpers für eine Reibungsbremse eines Kraftfahrzeugs |
DE102022213333A1 (de) | 2022-12-09 | 2024-06-20 | Stellantis Auto Sas | Verfahren zum Bereitstellen einer beschichteten Reibscheibe |
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DE102019207292A1 (de) | 2020-11-19 |
CN113811699A (zh) | 2021-12-17 |
CN113811699B (zh) | 2024-01-16 |
US11867243B2 (en) | 2024-01-09 |
WO2020234144A1 (de) | 2020-11-26 |
EP3973204A1 (de) | 2022-03-30 |
JP7309921B2 (ja) | 2023-07-18 |
US20220221015A1 (en) | 2022-07-14 |
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