JPH0419430A - Light alloy disk rotor - Google Patents
Light alloy disk rotorInfo
- Publication number
- JPH0419430A JPH0419430A JP12046190A JP12046190A JPH0419430A JP H0419430 A JPH0419430 A JP H0419430A JP 12046190 A JP12046190 A JP 12046190A JP 12046190 A JP12046190 A JP 12046190A JP H0419430 A JPH0419430 A JP H0419430A
- Authority
- JP
- Japan
- Prior art keywords
- grain
- inorganic
- fiber
- aluminum alloy
- magnesium alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001234 light alloy Inorganic materials 0.000 title claims 3
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 16
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 12
- 239000012784 inorganic fiber Substances 0.000 claims abstract description 11
- 239000002783 friction material Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 9
- 239000010954 inorganic particle Substances 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 2
- 239000004917 carbon fiber Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 4
- 150000001875 compounds Chemical group 0.000 abstract 3
- 238000005266 casting Methods 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は自動車などの車輌に用いられるディスクブレー
キロータに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a disc brake rotor used in vehicles such as automobiles.
〔従来の技術及び発明が解決しようとする課題〕従来、
ブレーキ用ロータとしては一般に鋳鉄（ＦＣ２５相当材
）又はステンレスが用いられている。しかしこれら従来
のディスクロータに対しては、ブレーキ特性の向上や軽
量化による燃費の改善さらに乗り心地の改善等か望まれ
ていた。[Problems to be solved by conventional techniques and inventions] Conventionally,
Cast iron (FC25 equivalent material) or stainless steel is generally used as a brake rotor. However, for these conventional disc rotors, improvements in braking characteristics, fuel efficiency due to weight reduction, and riding comfort have been desired.
本発明はこれに鑑み検討の結果、ブレーキ性能の優れ且
つ軽量なロータを提供するものである。In view of this, the present invention provides a lightweight rotor with excellent braking performance.
即ち本発明の一つは、無機繊維又は／及び無機質粒子と
、アルミニウム合金粉末又はマグネシウム合金粉末との
焼結複合体からなる摩擦材料を摩擦摺動面に使用したこ
とを特徴とするものである。That is, one of the present invention is characterized in that a friction material made of a sintered composite of inorganic fibers and/or inorganic particles and aluminum alloy powder or magnesium alloy powder is used for the friction sliding surface. .
そして本発明の他の一つは、無機繊維又は／及び無機質
粒子と、アルミニウム合金粉末又はマグネシウム合金粉
末との焼結複合体からなる摩擦材料と、アルミニウム合
金又はマグネシウム合金材料とからなり、少なくとも摩
擦摺動面を上記摩擦材料で形成したことを特徴とするも
のである。Another aspect of the present invention is a friction material made of a sintered composite of inorganic fibers and/or inorganic particles and aluminum alloy powder or magnesium alloy powder, and an aluminum alloy or magnesium alloy material, It is characterized in that the sliding surface is formed of the above-mentioned friction material.
上記の無機繊維としては、セラミック繊維金属繊維、カ
ーボン繊維等をいい、さらにセラミックウィスカー、カ
ーボンウィスカー等を含む。また無機質粒子としては、
セラミック粒子。The above-mentioned inorganic fibers include ceramic fibers, metal fibers, carbon fibers, etc., and further include ceramic whiskers, carbon whiskers, etc. In addition, as inorganic particles,
ceramic particles.
金属粒子、カーボン粒子等を含む。Contains metal particles, carbon particles, etc.
そしてこれらを用いて本発明のロータを製造するには、
上記の無機繊維又は無機質粒子の何れか１種類又はそれ
以上と、アルミニウム合金粉末又はマグネシウム合金粉
末の何れかと混合した後成形し、加熱して焼結複合体と
する。そしてこの焼結複合体が摩擦面となるようにして
、例えば金型にセットし、予め溶解しておいたアルミニ
ウム合金又はマグネシウム合金で溶湯鋳造法等を用い加
圧して複合化してディスクロータを製造する。なお上記
アルミニウム合金粉末又はマグネシウム合金粉末として
は、アルミニウム粉末又はマグネシウム粉末であっても
よい。In order to manufacture the rotor of the present invention using these,
One or more of the above inorganic fibers or inorganic particles are mixed with either aluminum alloy powder or magnesium alloy powder, then molded and heated to form a sintered composite. Then, this sintered composite becomes a friction surface, and it is set in a mold, for example, and pressed using a molten metal casting method using pre-melted aluminum alloy or magnesium alloy to form a composite and manufacture a disc rotor. do. Note that the aluminum alloy powder or magnesium alloy powder may be aluminum powder or magnesium powder.
そして上記摩擦面となる焼結複合体としては、無機繊維
（ウィスカーを含む）の含有量は５〜３０ｗｔ％、無機
質粒子の含有量は３〜２０ｗ【％が望ましい。In the sintered composite that becomes the friction surface, the content of inorganic fibers (including whiskers) is desirably 5 to 30 wt%, and the content of inorganic particles is desirably 3 to 20 w[%].
次に本発明の実施例について説明する。 Next, examples of the present invention will be described.
１０％のアルミナ繊維、５％のＳｉＣ粒子及び８５％の
アルミ合金粉末を混合攪拌した後、アルミニウム合金材
料に穿設した凹部に充填し、約６００℃に加熱しながら
加圧して複合された本発明の一体型ディスクロータを作
製した。After mixing and stirring 10% alumina fiber, 5% SiC particles, and 85% aluminum alloy powder, the mixture is filled into a recess drilled in the aluminum alloy material and heated to approximately 600°C while pressurized to form a composite book. An inventive integrated disc rotor was fabricated.
このディスクロータ材料を円板状のプレートに加工して
、摩擦材である自動車用ライニングを相手に摩擦試験を
実施した。This disc rotor material was processed into a disc-shaped plate, and a friction test was conducted against an automobile lining, which is a friction material.
なお比較のため、アルミニウム合金中に無機繊維を分散
させた従来ロータＡ及びアルミニウム合金中に無機質粒
子を分散させた従来ロータＢについても、同様の摩擦試
験を実施してその結果を第１図に示した。For comparison, similar friction tests were conducted on conventional rotor A in which inorganic fibers were dispersed in aluminum alloy and conventional rotor B in which inorganic particles were dispersed in aluminum alloy, and the results are shown in Figure 1. Indicated.
第１図に示すように、本発明ロータは従来ロータＡ、Ｂ
に比較してこれらロータのプレート摩耗量が小さく、さ
らに相手材であるライニング摩耗量も小さいことが明ら
かである。As shown in FIG. 1, the rotor of the present invention is different from conventional rotors A and B.
It is clear that the amount of plate wear of these rotors is smaller than that of the rotors, and the amount of wear of the lining, which is the mating material, is also smaller.
このように本発明によれば、ディスクブレーキとしての
ブレーキ特性が向上し、またブレーキの軽量化か実現す
るので燃費が改善される等顕著な効果を奏する。As described above, according to the present invention, the brake characteristics as a disc brake are improved, and the weight of the brake is also reduced, so that remarkable effects such as improved fuel efficiency are achieved.
第１図は本発明ロータと従来ロータとの摩擦試験の結果
を示す実測図である。FIG. 1 is an actual measurement diagram showing the results of a friction test between the rotor of the present invention and a conventional rotor.
Claims (2)
合金粉末又はマグネシウム合金粉末との焼結複合体から
なる摩擦材料を摩擦摺動面に使用したことを特徴とする
軽合金ディスクロータ。(1) A light alloy disc rotor characterized in that a friction material made of a sintered composite of inorganic fibers and/or inorganic particles and aluminum alloy powder or magnesium alloy powder is used for the friction sliding surface.
合金粉末又はマグネシウム合金粉末との焼結複合体から
なる摩擦材料と、アルミニウム合金又はマグネシウム合
金材料とからなり、少なくとも摩擦摺動面を上記摩擦材
料で形成したことを特徴とする軽合金ディスクロータ。(2) A friction material made of a sintered composite of inorganic fibers and/or inorganic particles and aluminum alloy powder or magnesium alloy powder, and an aluminum alloy or magnesium alloy material, and at least the friction sliding surface is made of the above friction material. A light alloy disc rotor characterized by being formed of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12046190A JPH0419430A (en) | 1990-05-10 | 1990-05-10 | Light alloy disk rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12046190A JPH0419430A (en) | 1990-05-10 | 1990-05-10 | Light alloy disk rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0419430A true JPH0419430A (en) | 1992-01-23 |
Family
ID=14786746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12046190A Pending JPH0419430A (en) | 1990-05-10 | 1990-05-10 | Light alloy disk rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005059194A1 (en) * | 2003-12-18 | 2005-06-30 | Shimane Prefectural Government | Metal base carbon fiber composite material and process for producing the same |
-
1990
- 1990-05-10 JP JP12046190A patent/JPH0419430A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005059194A1 (en) * | 2003-12-18 | 2005-06-30 | Shimane Prefectural Government | Metal base carbon fiber composite material and process for producing the same |
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