JPH01205042A - Composite material for sliding member - Google Patents
Composite material for sliding memberInfo
- Publication number
- JPH01205042A JPH01205042A JP2980788A JP2980788A JPH01205042A JP H01205042 A JPH01205042 A JP H01205042A JP 2980788 A JP2980788 A JP 2980788A JP 2980788 A JP2980788 A JP 2980788A JP H01205042 A JPH01205042 A JP H01205042A
- Authority
- JP
- Japan
- Prior art keywords
- composite material
- sliding member
- alloy
- alumina
- volume
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 13
- 239000000314 lubricant Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 9
- 230000013011 mating Effects 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 229910002804 graphite Inorganic materials 0.000 abstract description 4
- 239000010439 graphite Substances 0.000 abstract description 4
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 abstract description 3
- 229910018182 Al—Cu Inorganic materials 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910018134 Al-Mg Inorganic materials 0.000 abstract 1
- 229910018131 Al-Mn Inorganic materials 0.000 abstract 1
- 229910018125 Al-Si Inorganic materials 0.000 abstract 1
- 229910018467 Al—Mg Inorganic materials 0.000 abstract 1
- 229910018461 Al—Mn Inorganic materials 0.000 abstract 1
- 229910018520 Al—Si Inorganic materials 0.000 abstract 1
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 229910052961 molybdenite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012783 reinforcing fiber Substances 0.000 description 3
- 239000012779 reinforcing material Substances 0.000 description 3
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- 229910009367 Zn M Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はアルミナ系短繊維を強化繊維とし、固体潤滑剤
粉末をアルミニウムまたはアルミニウム合金に同時複合
した摩耗特性を改善した摺動部材用複合材料に関するも
のである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides a composite material for sliding members with improved wear characteristics, in which short alumina fibers are used as reinforcing fibers and solid lubricant powder is simultaneously combined with aluminum or aluminum alloy. It is related to.
無機質繊維を強化材として金属特にアルミニウム合金に
複合した材料は繊維強化金属（ＦＲＭ）として知られて
いる。特に短繊維もしくはウィスカーを強化材とする短
繊維型ＦＲＭは複合方法が比較的に容易であると共に成
形された複合材料は塑性加工性を有し種々の部品形状に
加工が可能であるなど工業的に優位な特性を有している
ため多くの期待を集めている材料である。A material in which inorganic fiber is used as a reinforcing material and is composited with a metal, particularly an aluminum alloy, is known as fiber reinforced metal (FRM). In particular, short fiber type FRM, which uses short fibers or whiskers as reinforcing materials, is relatively easy to composite, and the molded composite material has plastic workability and can be processed into various parts shapes, making it suitable for industrial use. It is a material that is attracting a lot of expectations because it has superior properties.
アルミナ系短繊維を強化材とした複合材料は上記の如き
短繊維型ＦＲＭの一つであるが、これは低熱膨張性と耐
摩耗性に優れ摺動材料として好適である。しかしながら
この材料は良好な耐摩耗性と共に過大な相手攻撃性を示
す場合があり、この相手攻撃性の低減が重要な技術課題
とされている。A composite material using alumina short fibers as a reinforcing material is one of the above-mentioned short fiber type FRMs, and is suitable as a sliding material because of its low thermal expansion and abrasion resistance. However, in addition to good wear resistance, this material sometimes exhibits excessive aggressiveness, and reducing this aggressiveness is an important technical issue.
相手攻撃性の低減には黒鉛粉、二硫化モリブデン、窒化
ホウ素などの固体潤滑粉末を複合材料中に同時複合、均
一分散させて摺動過程における摩耗低減を図ることが行
なわれている。To reduce the aggressiveness of the material, solid lubricant powders such as graphite powder, molybdenum disulfide, and boron nitride are simultaneously mixed and uniformly dispersed in the composite material to reduce wear during the sliding process.
しかし上記のような固体潤滑材粉末を添加した複合材料
は添加する固体潤滑剤粉末の量や種類によって所期の摩
耗特性が発現しないという問題があった。However, composite materials to which solid lubricant powder is added as described above have a problem in that desired wear characteristics may not be exhibited depending on the amount and type of solid lubricant powder added.
本発明は上記の問題について検討の結果、固体潤滑剤の
量と粒度を特定することにより耐摩耗性に優れ、かつ相
手材の摩耗損傷を低減する摺動部品に好適な複合材料を
開発したものである。As a result of studying the above problems, the present invention has developed a composite material suitable for sliding parts that has excellent wear resistance and reduces wear damage to mating materials by specifying the amount and particle size of the solid lubricant. It is.
〔課題を解決するための手段および作用〕本発明はアル
ミナ系短繊維の複合量を２〜３０体積％、固体潤滑剤粉
末の複合量を０．２〜１０体積％とし、アルミニウムま
たはアルミニウム合金に複合してなる摺動部材用複合材
料である。[Means and effects for solving the problem] The present invention sets the combined amount of alumina short fibers to 2 to 30% by volume, and the combined amount of solid lubricant powder to 0.2 to 10% by volume, and applies them to aluminum or aluminum alloy. This is a composite material for sliding members.
すなわち本発明はアルミニウムまたはアルミニウム合金
中にアルミナ系短繊維を体積％で２〜３０％と固体潤滑
剤粉末を０．２〜１０％の範囲で同時に複合させること
により耐摩耗性が優れており、しかも相手材の摩耗を軽
減する特性を有する摺動部材用複合材料が得られるもの
である。That is, the present invention has excellent wear resistance by simultaneously combining 2 to 30% by volume of alumina short fibers and 0.2 to 10% of solid lubricant powder in aluminum or aluminum alloy. Moreover, a composite material for a sliding member can be obtained which has the property of reducing wear of the mating material.
しかして本発明に用いるアルミナ系短繊維とは例えばア
ルミナ短繊維、アルミナ、シリカ短繊維でありその組成
としてはＡｎ、０，４５〜１００％、ＳｉＯ！０〜５５
％で繊維１〜５−のものが用いられる。この複合量を２
〜３０体積％としたのはこの範囲外では所期の強度およ
び耐摩耗性が得られない。The alumina-based short fibers used in the present invention are, for example, alumina short fibers, alumina, and silica short fibers, and have a composition of An, 0.45 to 100%, SiO! 0-55
% fibers are used. This composite amount is 2
The reason for setting the content to 30% by volume is that outside this range, the desired strength and wear resistance cannot be obtained.
また固体潤滑剤としては、黒鉛粉、二硫化モリブデン、
窒化ホウ素などであり０．２〜１０体積％が適当である
。０．２％未満でも１０％を越えても強度もしくは耐摩
耗性が低下する。また上記の固体潤滑剤粉末の粒径は６
−以上が好ましく、これ未満であると良好な耐摩耗性が
得られない。また母材金属としては純アルミニウム或い
はＡｌ−Ｃｕ系、Ａ／！−Ｍｎ系、Ａｌ−８ｌ系、ＡＩ
！、−Ｍｇ系、Ａ１−Ｍｇ−３ｉ系、Ａｌ２−Ｚｎ−Ｍ
ｇ系などが使用できる。なお製造方法としては溶湯鍛造
、粉末冶金法などが適用できる。In addition, solid lubricants include graphite powder, molybdenum disulfide,
It is boron nitride, etc., and 0.2 to 10% by volume is suitable. If it is less than 0.2% or more than 10%, the strength or wear resistance will decrease. In addition, the particle size of the solid lubricant powder mentioned above is 6
- or more is preferable, and if it is less than this, good wear resistance cannot be obtained. In addition, the base metal is pure aluminum or Al-Cu type, A/! -Mn-based, Al-8l-based, AI
! , -Mg series, A1-Mg-3i series, Al2-Zn-M
g series etc. can be used. Note that as a manufacturing method, molten metal forging, powder metallurgy, etc. can be applied.
以下に本発明の一実施例について説明する。 An embodiment of the present invention will be described below.
実施例１
化学組成８０％Ａ２□０１．２０％ＳｉＯ２の結晶質ア
ルミナ短繊維（α−アルミナ、ムライ日銭維系約３−お
よび５０％Ａ Ｑ ｚ Ｏｓ、５０％５１０２の非晶質
アルミナ、シリカ短繊維（繊維系３−）を強化繊維とし
てＡＮ−３ｉ系展伸合金（ＪＩＳ ４０３２）を母材金
属とするＦＲＭに平均粒径１０−の鱗片状黒鉛粉を最大
２．０体積％まで添加した複合材料を作製した。強化繊
維の体積分率はアルミナ短繊維が１２体積％、アルミナ
シリカ短繊維が１０体積％である。複合材の作製は、先
ず強化繊維に少量の無機バインダー液（コロイダル、シ
リカ）と所定量の黒鉛粉を添加混練し、粘性状にした後
、この混練物を内径６０ｍｍφのキャビティを有する片
押し方式の金型に投入し、圧縮成形して得られた円柱状
成形体を乾燥して黒鉛添加型アルミナ系短繊維プリフォ
ームを得た。このプリフォームを予熱し、別に予熱した
プランジャ一方式の金型に配置、固定し、７２０“Ｃに
加熱した４０３２合金溶湯を注湯し、ポンチにより溶湯
を加圧してプリフォーム中に含浸せしめた後、１ｔｏｎ
／ｃ４の圧力で加圧保持を行ない合金溶湯の凝固終了ま
で維持して複合材料を作製した。この複合材料からブロ
ック状試験片を採取し、これに合金母材の最高強度を得
る熱処理（Ｔ６処理）を施して摩耗試験を行なった。摩
耗試験は第１図に示すように回転する鋳鉄リング（１）
（ＦＣ２５相当）に上記の複合材でブロックに所定前垂
下で接触、摺動させる方式の摩耗試験装置により第１表
に示す試験条件により行なった。摩耗試験結果を第２図
に示す。Example 1 Crystalline alumina staple fibers of chemical composition 80%A2□01.20%SiO2 (alpha-alumina, Murai Nissen fiber system approx. 3- and 50%AQzOs, amorphous alumina of 50%5102 Up to 2.0% by volume of flaky graphite powder with an average particle size of 10- is added to FRM using silica short fibers (fiber type 3-) as reinforcing fibers and AN-3i-based expanded alloy (JIS 4032) as the base metal. The volume fraction of the reinforcing fibers is 12% by volume of alumina short fibers and 10% by volume of alumina-silica short fibers.To create the composite material, first, a small amount of an inorganic binder liquid ( After adding and kneading a predetermined amount of graphite powder (colloidal, silica) and making it viscous, this kneaded material was put into a single-pressing mold with a cavity of 60 mm in internal diameter, and compression molded into a cylindrical shape. The molded body was dried to obtain a graphite-added alumina-based short fiber preform. This preform was preheated, placed and fixed in a separately preheated plunger-type mold, and molten 4032 alloy heated to 720"C. After pouring the molten metal and pressurizing the molten metal with a punch to impregnate it into the preform, 1 ton
A composite material was produced by maintaining the pressure at a pressure of /c4 until the molten alloy solidified. A block-shaped test piece was taken from this composite material, subjected to heat treatment (T6 treatment) to obtain the highest strength of the alloy base material, and subjected to an abrasion test. The wear test was performed using a rotating cast iron ring (1) as shown in Figure 1.
The tests were carried out under the test conditions shown in Table 1 using an abrasion testing device in which the above-mentioned composite material (equivalent to FC25) was brought into contact with a block at a predetermined angle and slid against the block. The wear test results are shown in Figure 2.
第 １ 表
第２図から明らかなように黒鉛の含有量が０．２体積％
の程度付近より複合材料自身の体摩耗性の向上と相手材
（ＦＣ−２５）の摩耗減量の低減が可能となるが、これ
より多量に含有せしめてもさらに耐摩耗性が向上するこ
とはなく１０体積％越えると押出し等の塑性加工性゛が
顕著に低下するとともに引張り特性の低下も生じた。As is clear from Table 1 and Figure 2, the graphite content is 0.2% by volume.
It is possible to improve the wear resistance of the composite material itself and reduce the wear loss of the mating material (FC-25) near this level, but even if it is contained in a larger amount than this, the wear resistance will not further improve. When the amount exceeded 10% by volume, plastic workability such as extrusion was significantly reduced, and tensile properties were also reduced.
実施例２
化学組成５０％Ａ ＩＩ Ｏｓ、５０％Ｓ ｉ Ｏ！の
繊維系的３−の非晶質アルミナ、シリカ短繊維を強化繊
維として、Ａｆｆｉ−３ｉ系展伸合金（ＪＩＳ ４０３
２）を母材とするＦＲＭに粒度５，６．１０−と変化さ
せた鱗片状黒鉛粉を５体積％添加した複合材料を実施例
１と同様にして作製し、実施例１と同様の方法および条
件により摩耗試験を行なった。この摩耗試験結果を第３
図示す。Example 2 Chemical composition 50% A II Os, 50% S i O! Affi-3i type wrought alloy (JIS 403
A composite material in which 5% by volume of flaky graphite powder with a particle size of 5,6.10- was added to FRM using 2) as a base material was prepared in the same manner as in Example 1, and by the same method as in Example 1. A wear test was conducted under different conditions. The results of this abrasion test were
Illustrated.
第３図より明らかなようにブロック状試験片の摩耗減量
も、相手材として用いた鋳鉄（ＦＣ−２５）を材質とす
るリング状試験片の摩耗減量も添加した黒鉛の平均粒径
が大きくなる程減少し、良好な耐摩耗性を示す、また黒
鉛の平均粒径が６μより小さいと良好な耐摩耗性が得ら
れないことが判る。As is clear from Figure 3, the average particle size of added graphite increases both in the abrasion loss of the block-shaped specimen and the abrasion loss of the ring-shaped specimen made of cast iron (FC-25) used as a mating material. It can be seen that if the average particle size of graphite is smaller than 6μ, good abrasion resistance cannot be obtained.
（効果）
以上に説明したように本発明によれば、耐摩耗性に優れ
、かつ相手部材の摩耗も低減することが可能な摺動部材
用複合材料が得られるもので工業上顕著な効果を奏する
ものである。(Effects) As explained above, according to the present invention, it is possible to obtain a composite material for sliding parts that has excellent abrasion resistance and can reduce the wear of mating members, which has a remarkable effect in industry. It is something to play.
第１図は本発明の一実施例に用いた摩耗試験装置の概略
図、第２図および第３図は本発明の一実施例にかかる複
合材料の摩耗特性を示す図である。FIG. 1 is a schematic diagram of a wear test apparatus used in an embodiment of the present invention, and FIGS. 2 and 3 are diagrams showing the wear characteristics of a composite material according to an embodiment of the present invention.
Claims (2)
体潤滑剤粉末の複合量を０．２〜１０体積％とし、アル
ミニウムまたはアルミニウム合金に複合してなる摺動部
材用複合材料。(1) A composite material for a sliding member, which is made by combining aluminum or an aluminum alloy with a composite amount of alumina-based short fibers of 2 to 30 volume % and a composite amount of solid lubricant powder of 0.2 to 10 volume %.
求項１記載の摺動部材用複合材料。(2) The composite material for a sliding member according to claim 1, wherein the solid lubricant powder has an average particle size of 6 μm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2980788A JPH01205042A (en) | 1988-02-10 | 1988-02-10 | Composite material for sliding member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2980788A JPH01205042A (en) | 1988-02-10 | 1988-02-10 | Composite material for sliding member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01205042A true JPH01205042A (en) | 1989-08-17 |
Family
ID=12286293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2980788A Pending JPH01205042A (en) | 1988-02-10 | 1988-02-10 | Composite material for sliding member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01205042A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0897994A2 (en) * | 1997-08-20 | 1999-02-24 | Inco Limited | Cast-aluminia metal matrix composites |
| CN107641738A (en) * | 2017-09-28 | 2018-01-30 | 哈尔滨工业大学 | A kind of molybdenum disulfide/aluminium composite material and preparation method thereof |
-
1988
- 1988-02-10 JP JP2980788A patent/JPH01205042A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0897994A2 (en) * | 1997-08-20 | 1999-02-24 | Inco Limited | Cast-aluminia metal matrix composites |
| EP0897994A3 (en) * | 1997-08-20 | 2000-03-01 | Inco Limited | Cast-aluminia metal matrix composites |
| CN107641738A (en) * | 2017-09-28 | 2018-01-30 | 哈尔滨工业大学 | A kind of molybdenum disulfide/aluminium composite material and preparation method thereof |
| CN107641738B (en) * | 2017-09-28 | 2019-04-26 | 哈尔滨工业大学 | A kind of preparation method of molybdenum disulfide/aluminium composite material |
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