JP2013174261A - ディスクロータ - Google Patents
ディスクロータ Download PDFInfo
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- JP2013174261A JP2013174261A JP2012037695A JP2012037695A JP2013174261A JP 2013174261 A JP2013174261 A JP 2013174261A JP 2012037695 A JP2012037695 A JP 2012037695A JP 2012037695 A JP2012037695 A JP 2012037695A JP 2013174261 A JP2013174261 A JP 2013174261A
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- graphite
- disc rotor
- disk rotor
- cast iron
- rotor
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Classifications
-
- 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
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
-
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/34—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in more than one step
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
-
- 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
-
- 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
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
- F16D2065/132—Structure layered
-
- 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
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0008—Ferro
- F16D2200/0013—Cast iron
-
- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0038—Surface treatment
- F16D2250/0046—Coating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Braking Arrangements (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
【解決手段】黒鉛含有鋳鉄製のディスクロータであって、脱黒鉛処理によって表面近傍の黒鉛を除去した後、ガス軟窒化処理によって表面に窒化物層4と酸窒化物層3とを順に積層してあるディスクロータ。ディスクロータ表面の黒鉛が窒化物層4と酸窒化物層3によって十分被覆されている。従って、ディスクロータが水に晒された場合でも、水がディスクロータ表面の黒鉛に到達し難く、錆びの発生を防止することができ、耐食性が高い。
【選択図】図3
Description
ここでは、溶融塩浸漬による化学的洗浄法によって表面から黒鉛を除去した後、塩浴窒化処理を施すことによって、黒鉛含有鋳鉄製部材の耐食性を向上させている。
従って、本発明の目的は、耐食性の高い黒鉛含有鋳鉄製のディスクロータを提供することにある。
本構成によれば、脱黒鉛処理によって表面近傍の黒鉛を除去した後、ガス軟窒化処理によって表面に窒化物層と酸窒化物層とを順に積層してあるため、ディスクロータ表面の黒鉛が窒化物層及び酸窒化物層によって十分に被覆されている。従って、ディスクロータが水に晒された場合でも、水がディスクロータ表面の黒鉛に到達し難く、錆の発生を防止することができ、耐食性が高い。
本構成によれば、面粗度調整処理よって、ディスクロータの面粗度(摩擦係数)を適度なものに調節することができると共に、表面をある程度滑らかにすることができるため見栄えも向上する。
本発明に係るディスクロータは、車両のディスクブレーキの部品の一つを構成する円板状の部材であり、ディスクブレーキの制動力を発生させる際に、摩擦材と裏板とを備えるブレーキパッドが側面に押し付けられる。
本発明に係るディスクロータを、図1に示す製造フローに従って作製した。
黒鉛含有鋳鉄として片状黒鉛鋳鉄を用い、鋳造によりディスクロータの鋳造素材を製造し、機械加工によって所定の円板形状に加工した後、前洗浄を行った。
(1)比較例1(未処理):上述の実施例と同様に、黒鉛含有鋳鉄として片状黒鉛鋳鉄を用い、鋳造によりディスクロータの鋳造素材を製造し、機械加工によって所定の円板形状に加工して前洗浄を行ったが、後の脱黒鉛処理、ガス軟窒化処理、及び面粗度調整処理を実施しなかったもの。
(2)比較例2(ガス軟窒化処理のみ):上述の実施例と同様に黒鉛含有鋳鉄として片状黒鉛鋳鉄を用い、鋳造によりディスクロータの鋳造素材を製造し、機械加工によって所定の円板形状に加工して前洗浄を行った後、ガス軟窒化処理のみを実施したもの。
(3)比較例3(塩浴窒化処理):上述の実施例と同様に黒鉛含有鋳鉄として片状黒鉛鋳鉄を用い、鋳造によりディスクロータの鋳造素材を製造し、機械加工によって所定の円板形状に加工して前洗浄を行った後、米国特許出願公開第2008/0000550号明細書に記載される塩浴窒化処理を実施したもの。
ここで、ディスクブレーキにおけるディスクロータとブレーキパッドとが固着するメカニズムについて説明する。
図10に示すように、ディスクロータの表面に錆が発生したとき、ディスクブレーキの制動力を発生させる際に、ブレーキパッドの摩擦材がディスクロータの側面に押し付けられると、錆を含んだ摩耗粉が摩擦材表面の隙間に入り込む。この状態でディスクブレーキが水に晒されると、水が摩擦材表面の隙間に入り込んだ摩耗粉に吸収され、摩耗粉を起点として錆発生が促進されるため、ディスクロータとブレーキパッドとが固着する。
従って、ディスクロータの表面における錆発生が促進すると、ディスクロータに対してブレーキパッドの摩擦材が貼り付き易くなるため、実車における貼り付きトルクが上昇すると共に、貼り付き時の音レベルも高くなる。
1回目の評価は以下(1)〜(5)を順に実施し、2回目以降の評価は以下(6)〜(10)を繰り返して実施した。
(1)すり合わせ、
(2)水掛け、
(3)数回制動、
(4)屋外放置
(5)貼り付きトルク及び音レベル測定
(6)すり合わせ、
(7)水掛け、
(8)数回制動、
(9)屋外放置
(10)貼り付きトルク及び音レベル測定
また、図13に示すように、比較例1では試験開始直後から高い音レベルが測定されたが、本発明の実施例では音レベルの上昇はほぼ見られなかったことからも、比較例1では錆が生じ易く、本発明の実施例では錆が生じ難いことが示唆された。
2 黒鉛
3 酸窒化物層
4 窒化物層
5 ブレーキパッド
6 摩擦材
Claims (2)
- 黒鉛含有鋳鉄製のディスクロータであって、
脱黒鉛処理によって表面近傍の黒鉛を除去した後、ガス軟窒化処理によって表面に窒化物層と酸窒化物層とを順に積層してあるディスクロータ。 - 前記ガス軟窒化処理後に面粗度調整処理を実施した請求項1に記載のディスクロータ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012037695A JP2013174261A (ja) | 2012-02-23 | 2012-02-23 | ディスクロータ |
US14/372,682 US20140360820A1 (en) | 2012-02-23 | 2013-02-21 | Disc rotor |
DE112013001135.2T DE112013001135T5 (de) | 2012-02-23 | 2013-02-21 | Scheibenrotor |
CN201380010020.0A CN104126080A (zh) | 2012-02-23 | 2013-02-21 | 盘形转子 |
PCT/JP2013/054329 WO2013125633A1 (ja) | 2012-02-23 | 2013-02-21 | ディスクロータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012037695A JP2013174261A (ja) | 2012-02-23 | 2012-02-23 | ディスクロータ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2013174261A true JP2013174261A (ja) | 2013-09-05 |
Family
ID=49005810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012037695A Pending JP2013174261A (ja) | 2012-02-23 | 2012-02-23 | ディスクロータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20140360820A1 (ja) |
JP (1) | JP2013174261A (ja) |
CN (1) | CN104126080A (ja) |
DE (1) | DE112013001135T5 (ja) |
WO (1) | WO2013125633A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016164439A (ja) * | 2015-03-06 | 2016-09-08 | 株式会社アドヴィックス | ディスクロータの製造方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102324761B1 (ko) * | 2017-05-23 | 2021-11-10 | 현대자동차주식회사 | 이종재질 브레이크 디스크 제조방법 및 이를 이용하여 제조된 이종재질 브레이크 디스크 |
CA3153579A1 (en) * | 2019-10-09 | 2021-04-15 | Rolf HEINECKE | Method to produce cast iron brake discs with high corrosion and wear resistance |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04193963A (ja) * | 1990-11-27 | 1992-07-14 | Hitachi Metals Ltd | 鋳鉄材料の複合表面処理方法 |
JP2000337410A (ja) * | 1998-06-30 | 2000-12-05 | Tokico Ltd | ディスクブレーキ用ロータ |
JP2010534807A (ja) * | 2007-07-26 | 2010-11-11 | フェデラル−モーグル コーポレイション | 二重に被覆された鋳鉄製ブレーキロータおよび製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2938790A (en) * | 1955-11-08 | 1960-05-31 | Bendix Aviat Corp | Friction lining compositions |
US3712427A (en) * | 1970-11-05 | 1973-01-23 | Goodyear Tire & Rubber | Graphite and/or carbon disk with removable wear faces |
US3800392A (en) * | 1970-11-05 | 1974-04-02 | Goodyear Tire & Rubber | Graphite and/or carbon disk with removable wear faces |
JPS5530061B2 (ja) * | 1973-11-01 | 1980-08-08 | ||
FR2816636B1 (fr) * | 2000-11-16 | 2003-07-18 | Snecma Moteurs | Grenaillage des sommets des aubes refroidies |
JP5088318B2 (ja) * | 2006-04-14 | 2012-12-05 | トヨタ自動車株式会社 | チタン製の部材に対して行う貴金属めっき |
US20090272041A1 (en) * | 2006-04-21 | 2009-11-05 | Cornelius Johannes Pretorius | Method of making a cbn compact |
JP2010053926A (ja) * | 2008-08-27 | 2010-03-11 | Toyota Motor Corp | ディスクブレーキロータ及びその製造方法 |
DE102009008114A1 (de) * | 2009-02-09 | 2010-08-12 | Daimler Ag | Verfahren zur Herstellung einer Bremsscheibe |
US20110079326A1 (en) * | 2009-10-07 | 2011-04-07 | Gm Global Technology Operations, Inc. | Method to increase corrosion resistance in ferritic nitrocarburized treated cast iron substrates |
US8893538B2 (en) * | 2010-12-08 | 2014-11-25 | Fuji Kihan Co., Ltd. | Instantaneous heat treatment method for metal product |
-
2012
- 2012-02-23 JP JP2012037695A patent/JP2013174261A/ja active Pending
-
2013
- 2013-02-21 WO PCT/JP2013/054329 patent/WO2013125633A1/ja active Application Filing
- 2013-02-21 DE DE112013001135.2T patent/DE112013001135T5/de not_active Withdrawn
- 2013-02-21 CN CN201380010020.0A patent/CN104126080A/zh active Pending
- 2013-02-21 US US14/372,682 patent/US20140360820A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04193963A (ja) * | 1990-11-27 | 1992-07-14 | Hitachi Metals Ltd | 鋳鉄材料の複合表面処理方法 |
JP2000337410A (ja) * | 1998-06-30 | 2000-12-05 | Tokico Ltd | ディスクブレーキ用ロータ |
JP2010534807A (ja) * | 2007-07-26 | 2010-11-11 | フェデラル−モーグル コーポレイション | 二重に被覆された鋳鉄製ブレーキロータおよび製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016164439A (ja) * | 2015-03-06 | 2016-09-08 | 株式会社アドヴィックス | ディスクロータの製造方法 |
WO2016143712A1 (ja) * | 2015-03-06 | 2016-09-15 | 株式会社アドヴィックス | ディスクロータの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20140360820A1 (en) | 2014-12-11 |
CN104126080A (zh) | 2014-10-29 |
WO2013125633A1 (ja) | 2013-08-29 |
DE112013001135T5 (de) | 2014-11-06 |
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