JP2023510623A - ブレーキ本体及び制動装置 - Google Patents
ブレーキ本体及び制動装置 Download PDFInfo
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- JP2023510623A JP2023510623A JP2022543583A JP2022543583A JP2023510623A JP 2023510623 A JP2023510623 A JP 2023510623A JP 2022543583 A JP2022543583 A JP 2022543583A JP 2022543583 A JP2022543583 A JP 2022543583A JP 2023510623 A JP2023510623 A JP 2023510623A
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- 239000011247 coating layer Substances 0.000 claims abstract description 157
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 112
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims abstract description 56
- 229910052742 iron Inorganic materials 0.000 claims abstract description 49
- 239000000843 powder Substances 0.000 claims description 47
- 239000000956 alloy Substances 0.000 claims description 45
- 229910045601 alloy Inorganic materials 0.000 claims description 44
- 230000008878 coupling Effects 0.000 claims description 29
- 238000010168 coupling process Methods 0.000 claims description 29
- 238000005859 coupling reaction Methods 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 15
- 229910052758 niobium Inorganic materials 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 229910052796 boron Inorganic materials 0.000 claims description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 21
- 238000000034 method Methods 0.000 description 25
- 238000000576 coating method Methods 0.000 description 20
- 239000000203 mixture Substances 0.000 description 19
- 238000005260 corrosion Methods 0.000 description 17
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- 230000002829 reductive effect Effects 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
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- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
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- 229910000831 Steel Inorganic materials 0.000 description 3
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- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
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- -1 ferrous metals Chemical class 0.000 description 1
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- 238000007654 immersion Methods 0.000 description 1
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- 230000000670 limiting effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- 229910052895 riebeckite Inorganic materials 0.000 description 1
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- 230000003313 weakening effect Effects 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/127—Discs; Drums for disc brakes characterised by properties of the disc surface; Discs lined with friction material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major constituent
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/067—Metallic material containing free particles of non-metal elements, e.g. carbon, silicon, boron, phosphorus or arsenic
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/129—Flame spraying
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/123—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/125—Discs; Drums for disc brakes characterised by the material used for the disc body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/027—Compositions based on metals or inorganic oxides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/003—Making ferrous alloys making amorphous alloys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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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- Plasma & Fusion (AREA)
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- Braking Arrangements (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
0.9≦b/a≦1
実施例1~実施例8:鉄系非晶質合金粉末を用いたブレーキ本体の製造
下記表1のような成分と重量比(weight ratio)の組成で、窒素ガス雰囲気下のアトマイザー内に供給した後、溶融状態でアトマイズさせ、下記表1に記載の冷却速度で冷却して実施例1~実施例8の鉄系非晶質合金粉末を製造した。
[条件]Gun type:Hybrid、エアキャップ:2701、LPG流量(LPG Flow)160 SCFH、LPG圧(LPG Pressure)90 PSI、酸素流量(Oxygen flow)550 SCFH、酸素圧(Oxygen Pressure)150 PSI、気流量(Air flow)900 SCFH、気流圧(Air Pressure)100 PSI、窒素流量(Nitrogen flow)28 SCFH、窒素圧(Nitrogen Pressure)150 PSI、Gun speed:100m/min、ガンピッチ(Gun pitch):3.0mm、フィーダ速度(Feeder rate)45g/min、隔離距離(Stand-off distance):250mm
比較例1~比較例7:鉄系合金粉末を用いたブレーキ本体の製造
下記表2のような成分及び重量比の組成で、窒素ガス雰囲気下のアトマイザー内に供給した後、溶融状態でアトマイズさせ、表2に示す冷却速度で冷却して比較例1~比較例7の鉄系合金粉末を製造した。
実験例1:コーティング層の硬度評価
実施例3、4、6、7及び8と比較例1~4について、HVS-10デジタル低負荷ビッカース硬度試験機(HVS-10 digital low load Vickers Hardness Tester Machine)を用いて、コーティング層試片の断面に対する微小硬度(Miro-hardness)試験を行い、その結果を下記表3に示した。
実施例6~8及び比較例1~3の組成と同じ組成の非晶質合金試料を製造して熱膨張係数を測定し、制動部の素材としては、一般的に多数使用される鋳鉄を基準として、コーティング層と制動部との熱膨張係数を比較し、鋳鉄の熱膨張係数は10.2ppm/℃を基準とした。
摩擦力(摩擦係数)を評価するために、上記実施例1、4、5、7、8及び比較例1~3と同じ合金組成で形成されたコーティング層について、潤滑油条件下の金属リング-ランプ(ring-lump)テストを通じて摩耗幅(wear width)を得たのであり、具体的に、リング-ランプテストは、L-MM46抵抗摩擦ハイドロマティック(hydromantic)の潤滑油のあるMR-H3A高速リング-ランプ摩耗機械を用いたのであり、テスト媒介変数(parameters)は50N、5min→100N、25min→1000N、55minの順に進行した。得られた摩擦係数及び摩耗幅を下記表5及び表6にまとめた。
図3は、本発明に係る実施例2、5、7の鉄系非晶質合金粉末を用いた溶射コーティング層試片の非腐食/腐食した断面を光学顕微鏡で観察したイメージであって、(a)~(c)はそれぞれ実施例2、5、7試片の観察イメージであり、図4は、比較例5、6、7の合金粉末を用いた溶射コーティング層試片の非腐食/腐食した断面を光学顕微鏡で観察したイメージであって、(a)~(c)はそれぞれ比較例5、6、7試片の観察イメージである。
20:摩擦手段
100:制動部
110:コーティング層
120:ロータ
200:結合部
Claims (15)
- 制動装置に備えられるブレーキ本体であって、
前記ブレーキ本体は、駆動軸に連結される結合部;及び
前記結合部の外周面に連結されるロータと、前記ロータの表面に備えられるコーティング層を有する制動部;を含み、
前記コーティング層は非晶質合金を含み、熱膨張係数が前記ロータの熱膨張係数の1.0倍~1.4倍である、ブレーキ本体。 - 前記非晶質合金はFeを含み、
Cr、Mo及びCoからなる群から選択される少なくともいずれか一つ以上である第1成分;及び
B、C、Si及びNbからなる群から選択される少なくともいずれか一つ以上である第2成分;を含む、請求項1に記載のブレーキ本体。 - 前記ロータは鉄系合金を含む、請求項2に記載のブレーキ本体。
- 前記コーティング層は、100Nの条件で測定した平均摩擦係数が0.001~0.08である、請求項1に記載のブレーキ本体。
- 前記コーティング層のビッカース硬度は700~1,200Hvである、請求項1に記載のブレーキ本体。
- 前記コーティング層は気孔率が0.1%~1.0%である、請求項1に記載のブレーキ本体。
- 前記コーティング層の厚さは50μm~400μmである、請求項1に記載のブレーキ本体。
- 前記コーティング層は、前記ロータの表面に鉄系非晶質合金粉末を溶射して備えられる、請求項3に記載のブレーキ本体。
- 前記ロータはディスク型であり、前記ディスクの少なくとも一側の表面に前記コーティング層が備えられる、請求項1から8のいずれか一項に記載のブレーキ本体。
- 前記ロータはドラム型であり、前記ロータの内周面に前記コーティング層が備えられる、請求項1から8のいずれか一項に記載のブレーキ本体。
- 駆動軸を含んで駆動される機械を制動する制動装置であって、
駆動時に前記駆動軸と結合して回転する結合部と、前記結合部の外周面に連結される制動部とを有するブレーキ本体;及び
前記制動時に前記ブレーキ本体に向かって変位して前記ブレーキ本体と接触し、前記制動部と摩擦する摩擦手段;を含み、
前記制動部は、前記結合部と連結されるロータ及び前記ロータの表面に備えられるコーティング層を含み、
前記コーティング層の熱膨張係数は、前記ロータの熱膨張係数の1.0倍~1.4倍であり、非晶質合金を含む、制動装置。 - 前記非晶質合金は、
Feを含み、
Cr、Mo及びCoからなる群から選択される少なくともいずれか一つ以上である第1成分;及び
B、C、Si及びNbからなる群から選択される少なくともいずれか一つ以上である第2成分;を含む、請求項11に記載の制動装置。 - 前記ロータは鉄系合金を含む、請求項12に記載の制動装置。
- 前記ロータはディスク型であり、前記ロータの少なくとも一側の表面に前記コーティング層が備えられる、請求項11から13のいずれか一項に記載の制動装置。
- 前記ロータはドラム型であり、前記ロータの内周面に前記コーティング層が備えられる、請求項11から13のいずれか一項に記載の制動装置。
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