JP2606335B2 - High-strength, high-toughness Cu-based sintered alloy with excellent wear resistance - Google Patents
High-strength, high-toughness Cu-based sintered alloy with excellent wear resistanceInfo
- Publication number
- JP2606335B2 JP2606335B2 JP63285214A JP28521488A JP2606335B2 JP 2606335 B2 JP2606335 B2 JP 2606335B2 JP 63285214 A JP63285214 A JP 63285214A JP 28521488 A JP28521488 A JP 28521488A JP 2606335 B2 JP2606335 B2 JP 2606335B2
- Authority
- JP
- Japan
- Prior art keywords
- toughness
- based sintered
- wear resistance
- strength
- sintered 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.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0425—Copper-based alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0021—Matrix based on noble metals, Cu or alloys thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0085—Materials for constructing engines or their parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0085—Materials for constructing engines or their parts
- F02F7/0087—Ceramic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0469—Other heavy metals
- F05C2201/0475—Copper or alloys thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0469—Other heavy metals
- F05C2201/0496—Zinc
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、耐摩耗性にすぐれ、かつ高強度および高
靭性を有し、さらに摩擦係数で評価される相手部材に対
する同期特性にもすぐれ、したがってこれらの特性が要
求される変速機のシンクロナイザリンやエンジンのバル
ブガイド、さらにターボチャージャの軸受などとして用
いるのに適したCu基焼結合金に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention is excellent in wear resistance, has high strength and high toughness, and also has excellent synchronization characteristics with respect to a mating member evaluated by a coefficient of friction. Therefore, the present invention relates to a Cu-based sintered alloy that is suitable for use as a synchronizer zarin for a transmission, an engine valve guide, and a turbocharger bearing that require these characteristics.
従来、上記の各種部材の製造に、重量％で（以下％は
重量％を示す）、Cu−28％Zn−６％Alの代表組成を有す
るCu基焼結合金を用いることが提案されている。Heretofore, it has been proposed to use a Cu-based sintered alloy having a typical composition of Cu-28% Zn-6% Al in terms of% by weight (hereinafter,% indicates% by weight) in the production of the above various members. .
しかし、上記の従来Cu基焼結合金は、焼結体であるた
めに、相手部材に対する同期特性にはすぐれているもの
の、十分な耐摩耗性、強度、および靭性を具備するもの
ではなく、したがって近年の各種機器の小型化および軽
量化、並びに高出力化に対応することができず、より一
段とすぐれた耐摩耗性、高強度および高靭性を具備する
Cu基焼結合金の開発が強く望まれている。However, since the conventional Cu-based sintered alloy described above is a sintered body, it has excellent synchronization characteristics with respect to a mating member, but does not have sufficient wear resistance, strength, and toughness. Inability to cope with miniaturization and weight reduction of various devices in recent years and high output, and has more excellent wear resistance, high strength and high toughness.
The development of Cu-based sintered alloys is strongly desired.
そこで、本発明者等は、上述のような観点から特に上
記の従来Cu基焼結合金に着目し、一段とすぐれた耐摩耗
性、強度、および靭性を有するCu基焼結合金を開発すべ
く研究を行なった結果、 Zn:10〜40％、Al:0.3〜５％未満、 Mn:0.1〜５％、Si:0.6〜３％、 Fe,Ni、およびCoのうちの１種または２種以上:0.1〜５
％、 酸素:0.03〜１％、 を含有し、さらに必要に応じて、 Cr:0.1〜３％、 を含有し、残りがCuと不可避不純物からなる組成、並び
に素地中に酸化アルミニウム（Al2O3）を主体とした微
細な酸化物および金属間化合物が均一に分散した組織を
有するCu基焼結合金は、すぐれた耐摩耗性を有すると共
に、高強度および高靭性を有することから、各種機器の
小型化および軽量化、並びに高出力化に十分対応するこ
とができる構造部材の製造に適用することができるとい
う知見を得たのである。In view of the above, the present inventors have paid particular attention to the conventional Cu-based sintered alloy described above, and have studied to develop a Cu-based sintered alloy having further excellent wear resistance, strength, and toughness. As a result, Zn: 10 to 40%, Al: less than 0.3 to 5%, Mn: 0.1 to 5%, Si: 0.6 to 3%, one or more of Fe, Ni, and Co: 0.1-5
%, Oxygen: 0.03 to 1%, and, if necessary, Cr: 0.1 to 3%, with the balance being Cu and unavoidable impurities, and aluminum oxide (Al 2 O) 3 ) Cu-based sintered alloys with a structure in which fine oxides and intermetallic compounds are dispersed uniformly, mainly composed of 3 ), have excellent wear resistance and high strength and high toughness. It has been found that the present invention can be applied to the manufacture of a structural member which can sufficiently cope with a reduction in size and weight and an increase in output.
この発明は、上記知見にもとづいてなされたものであ
って、この発明のCu基焼結合金は、上記組成によって、
素地中に、１〜40μｍの粒度範囲内に分布したAl2O3を
主体とした酸化物が0.5〜15％の面積率で均一分散し、
かつ同じく１〜25μｍの粒度範囲内に分散した金属間化
合物が１〜10％の面積率で均一分散した組織をもつよう
になり、これら酸化物と金属間化合物によって耐摩耗性
が著しく向上するようになり、特に酸化物の均一分散に
よって耐焼き付性が向上するようになるほか、摩擦面の
耐熱性が向上することと合まって高負荷条件下でもすぐ
れた耐摩耗性を示すようになるものである。The present invention has been made based on the above findings, the Cu-based sintered alloy of the present invention, by the above composition,
In the substrate, oxides mainly composed of Al 2 O 3 distributed within a particle size range of 1 to 40 μm are uniformly dispersed at an area ratio of 0.5 to 15%,
In addition, the intermetallic compound dispersed in the particle size range of 1 to 25 μm has a structure in which the intermetallic compound is uniformly dispersed at an area ratio of 1 to 10%, and the wear resistance is significantly improved by these oxides and the intermetallic compound. In particular, in addition to improving the seizure resistance due to the uniform dispersion of the oxide, the improved heat resistance of the friction surface combined with the improved wear resistance even under high load conditions Things.
つぎに、この発明のCu基焼結合金において、成分組成
を上記の通り限定した理由を説明する。Next, the reason why the component composition of the Cu-based sintered alloy of the present invention is limited as described above will be described.
（ａ） Zn Zn成分には、CuおよびAlと共に素地を形成し、合金の
強度および靭性を向上させる作用があるが、その含有量
が10％未満では前記作用に所望の効果が得られず、一方
その含有量が40％を越えると、前記作用に劣化現象が現
われるようになることから、その含有量を10〜40％と定
めた。(A) Zn The Zn component has a function of forming a matrix together with Cu and Al and improving the strength and toughness of the alloy. However, if the content is less than 10%, the desired effect cannot be obtained in the above-mentioned effect. On the other hand, if the content exceeds 40%, a deterioration phenomenon appears in the above-mentioned action, so the content was set to 10 to 40%.
（ｂ） Al Al成分には、上記の通りCuおよびZnと高強度および高
靭性を有する素地を形成するほか、酸素と結合して酸化
物を形成し、もって常温は勿論のこと、高温条件下での
耐摩耗性を向上させる作用があるが、その含有量が0.3
％未満では前記作用に所望の効果が得られず、一方その
含有量が５％以上になると、素地の靭性が低下するよう
になることから、その含有量を0.3〜５％未満と定め
た。(B) Al In addition to forming a base material having high strength and high toughness with Cu and Zn as described above, the Al component combines with oxygen to form an oxide. Has the effect of improving abrasion resistance, but the content is 0.3
If the content is less than 5%, the desired effect cannot be obtained, while if the content is 5% or more, the toughness of the base material is reduced. Therefore, the content is set to 0.3 to less than 5%.
（ｃ） Mn Mn成分には、Siと結合して、素地中に微細に分散する
金属間化合物を形成し耐摩耗性を向上させると共に、一
部が素地に固溶して、強度を向上させる作用があるが、
その含有量が0.1％未満では前記作用に所望の効果が得
られず、一方その含有量が５％を越えると靭性が低下す
るようになることから、その含有量を0.1〜５％と定め
た。(C) Mn The Mn component combines with Si to form an intermetallic compound that is finely dispersed in the matrix, thereby improving wear resistance, and partially dissolving in the matrix to improve strength. Has an effect,
If the content is less than 0.1%, the desired effect cannot be obtained in the above-mentioned action, and if the content exceeds 5%, the toughness is reduced. Therefore, the content is set to 0.1 to 5%. .
（ｄ） Si Si成分には、上記の通りMnと結合して微細な金属間化
合物を形成するほか、Alと共に微細な複酸化物を形成
し、もって耐摩耗性、特に高負荷条件での耐摩耗性を向
上させ、さらに耐焼き付性および摩擦面の耐熱性を向上
させる作用があるが、その含有量が0.6％未満では前記
作用に所望のすぐれた効果が得られず、一方その含有量
が３％を越えると靭性が低下するようになることから、
その含有量を0.6〜３％と定めた。(D) Si As described above, the Si component combines with Mn to form a fine intermetallic compound, and also forms a fine double oxide with Al, thereby providing abrasion resistance, especially under high load conditions. It has the effect of improving the abrasion resistance and further improving the seizure resistance and the heat resistance of the friction surface. However, if the content is less than 0.6%, the desired excellent effect cannot be obtained in the above-mentioned effect. Exceeds 3%, the toughness decreases.
Its content was determined to be 0.6-3%.
（ｅ） Fe,Ni、およびCo これらの成分には、素地中に分散して合金の強度およ
び靭性を向上させると共に、CuおよびAlと結合し、さら
にCrを含有する場合にはこれとも結合して、素地中に分
散する微細な金属間化合物を形成し、もって耐摩耗性を
向上させる作用があるが、その含有量が0.1％未満では
前記作用に所望の効果が得られず、一方その含有量が５
％を越えると、靭性が低下するようになることから、そ
の含有量を0.1〜５％と定めた。(E) Fe, Ni, and Co These components are dispersed in the base material to improve the strength and toughness of the alloy, and are combined with Cu and Al. To form fine intermetallic compounds dispersed in the base material, thereby improving the abrasion resistance. However, if the content is less than 0.1%, the desired effect cannot be obtained in the above-mentioned effect. Quantity 5
%, The toughness decreases, so the content was set to 0.1 to 5%.
（ｆ） 酸素 酸素には、上記の通りにAlやSi、さらにCrと結合し
て、素地中に微細均一に分散する酸化物を形成し、もっ
て耐摩耗性を向上させ、特に、耐焼き付性および耐熱性
の改善によって高負荷条件下での耐摩耗性を向上させる
作用があるが、その含有量が0.03％未満では酸化物の形
成が少なすぎて所望の耐摩耗性を確保することができ
ず、一方その含有量が１％を越えると酸化物の粒径が40
μｍを越えて粗大化するばかりでなく、面積率で15％を
越えて多くなりすぎ、合金の強度および靭性が低下する
ようになるほか、相手攻撃性も増すようになることか
ら、その含有量を0.03〜１％と定めた。(F) Oxygen As described above, oxygen combines with Al, Si, and Cr to form an oxide that is finely and uniformly dispersed in the substrate, thereby improving wear resistance and, in particular, seizure resistance. Has the effect of improving the wear resistance under high load conditions by improving the heat resistance and heat resistance. However, if the content is less than 0.03%, the formation of oxides is too small to secure the desired wear resistance. On the other hand, if the content exceeds 1%, the particle size of the oxide becomes 40%.
In addition to the coarseness exceeding μm, the area ratio exceeds 15% and becomes too large, which decreases the strength and toughness of the alloy and increases the aggressiveness of the alloy. Was determined to be 0.03 to 1%.
（ｇ） Cr Cr成分には、上記の通り鉄族金属と結合して金属間化
合物を形成するほか、酸化物を形成し、耐摩耗性を一段
と向上させる作用があるので、必要に応じて含有される
が、その含有量が0.1％未満では耐摩耗性に所望の向上
効果が得られず、一方その含有量が３％を越えると靭性
が低下するようになることから、その含有量を0.1〜３
％と定めた。(G) Cr The Cr component has an effect of forming an oxide and further improving wear resistance in addition to forming an intermetallic compound by combining with the iron group metal as described above. However, if the content is less than 0.1%, the desired effect of improving the wear resistance is not obtained, while if the content exceeds 3%, the toughness is reduced. ~ 3
%.
つぎに、この発明のCu基焼結合金を実施例により具体
的に説明する。Next, the Cu-based sintered alloy of the present invention will be specifically described with reference to examples.
原料粉末として、いずれも200mesh以下の粒度を有
し、表面酸化層の層厚を調整することによりO2含有量を
それぞれ４％および２％とした２種のCu−Al合金（Al:5
0％含有）粉末、Cu粉末、Zn粉末、Al粉末、Mn粉末、Si
粉末、Fe粉末、Ni粉末、Co粉末、およびCr粉末を用意
し、これら原料粉末をそれぞれ第１表に示される配合組
成に配合し、ボールミルで72時間湿式粉砕混合し、乾燥
した後、４〜6ton/cm2の範囲内の所定の圧力で圧粉体に
プレス成形し、ついで、露点:0℃〜−30℃のH2ガス雰囲
気中、800〜900℃の範囲内の所定温度に１時間保持の条
件で焼結することにより、圧壊荷重測定用として外径:7
1mm×内径:63mm×厚さ:8mmの寸法をもち、また摩耗試験
用として幅:10mm×厚さ:10mm×長さ:40mmの寸法をも
ち、さらに摩擦係数測定用として外径:10mm×高さ:20mm
の寸法をそれぞれ有し、かついずれも配合組成と実質的
に同一の成分組成をもった本発明Cu基焼結合金１〜14、
比較Cu基焼結合金１〜７、および従来Cu基焼結合金をそ
れぞれ製造した。As the raw material powders, two types of Cu-Al alloys (Al: 5%) each having a particle size of 200 mesh or less and adjusting the layer thickness of the surface oxide layer to have an O 2 content of 4% and 2%, respectively.
0%) powder, Cu powder, Zn powder, Al powder, Mn powder, Si
Powder, Fe powder, Ni powder, Co powder, and Cr powder were prepared, and each of these raw material powders was blended in the blending composition shown in Table 1, wet-pulverized and mixed in a ball mill for 72 hours, dried, and dried. Press molding into a green compact at a predetermined pressure in the range of 6 ton / cm 2 , and then at a predetermined temperature in the range of 800 to 900 ° C. for 1 hour in a H 2 gas atmosphere with a dew point of 0 ° C. to −30 ° C. Outer diameter: 7 for crushing load measurement by sintering under holding conditions
It has dimensions of 1 mm x inner diameter: 63 mm x thickness: 8 mm, and has dimensions of width: 10 mm x thickness: 10 mm x length: 40 mm for wear test, and outer diameter: 10 mm x height for friction coefficient measurement Length: 20mm
The present invention Cu-based sintered alloys 1 to 14, each having the dimensions of, and each having substantially the same component composition as the compounding composition,
Comparative Cu-based sintered alloys 1 to 7 and a conventional Cu-based sintered alloy were produced, respectively.
なお、本発明Cu基焼結合金１〜14は、いずれも微細な
酸化物および金属間化合物が素地中に均一に分散する組
織をもつものであった。Each of the Cu-based sintered alloys 1 to 14 of the present invention had a structure in which fine oxides and intermetallic compounds were uniformly dispersed in the matrix.
また、比較Cu基焼結合金１〜７は、いずれも構成成分
のうちのいずれかの成分含有量（第２表に※印を付した
もの）がこの発明の範囲から外れたものである。Further, the comparative Cu-based sintered alloys 1 to 7 all have any component content (those marked with * in Table 2) out of the scope of the present invention.
つぎに、この結果得られた各種のCu基焼結合金につい
て、強度および靭性を評価する目的で圧壊荷重を測定
し、さらに耐摩耗性を評価する目的で、 試片形状:8mm×8mm×30mm、 相手材：材質がS35C（炭素鋼）にして、外径:30mm×幅:
5mmのリング、 オイル:10Wのエンジンオイル、 油温:85℃、 摩擦速度:10m/sec.、 最終荷重:4kg、 滑り距離:1.5km、 の条件でブロックオンリング摩耗試験を行ない、比摩耗
量を測定し、さらに相手部材に対する同期特性を評価す
る目的で、 試片形状:2.5mmの直径を有するピン、 相手材:S35Cのディスク、 オイル:10Wのエンジンオイル、 油温:85℃、 摩擦速度:10m/sec.、 圧力:2kg、 滑り距離:1.5km、 の条件でピン摩耗試験を行ない、トルクメーターから摩
擦係数を算出した。これらの結果を第1,2表に示した。Next, for the various Cu-based sintered alloys obtained as a result, the crushing load was measured for the purpose of evaluating the strength and toughness, and for the purpose of further evaluating the wear resistance, the specimen shape: 8 mm × 8 mm × 30 mm , Partner material: S35C (carbon steel), outer diameter: 30mm × width:
5mm ring, oil: 10W engine oil, oil temperature: 85 ℃, friction speed: 10m / sec., Final load: 4kg, sliding distance: 1.5km, block-on-ring wear test, specific wear amount The shape of the specimen: a pin having a diameter of 2.5 mm, Material: S35C disc, Oil: 10W engine oil, Oil temperature: 85 ° C, Friction speed: 10m / sec., Pressure: 2kg, Sliding distance: 1.5km The coefficient of friction was calculated. The results are shown in Tables 1 and 2.
第1,2表に示される結果から、本発明Cu基焼結合金１
〜14は、いずれも従来Cu基焼結合金と同等の摩擦係数を
有し、これは相手部材に対する同期特性にすぐれている
ことを示し、また従来Cu基焼結合金に比して一段とすぐ
れた耐摩耗性、強度、および靭性をもつのに対して、比
較Cu基焼結合金１〜７に見られるように、構成成分のう
ちのいずれかの成分含有量でもこの発明の範囲から外れ
ると、耐摩耗性、強度、および靭性のうちの少なくとも
いずれかの性質が劣ったものになることが明らかであ
る。From the results shown in Tables 1 and 2, the Cu-based sintered alloy 1 of the present invention was obtained.
~ 14 have the same coefficient of friction as the conventional Cu-based sintered alloy, indicating that they have excellent synchronization characteristics with the mating member, and are further superior to the conventional Cu-based sintered alloy While having wear resistance, strength, and toughness, as seen in the comparative Cu-based sintered alloys 1 to 7, even if the content of any of the constituents is out of the scope of the present invention, It is evident that at least one of the properties of wear resistance, strength and toughness is inferior.
上述のように、この発明のCu基焼結合金は、すぐれた
耐摩耗性を有し、かつ高強度および高靭性を有し、さら
に相手部材に対する同期特性にもすぐれているので、小
型化および軽量化、並びに高出力化が要求される各種機
器の構造部材としての適用に十分に対応することができ
るものであり、しかも実用に際してはすぐれた性能を長
期に亘って発揮するようになるなど工業上有用な特性を
有するのである。As described above, the Cu-based sintered alloy of the present invention has excellent wear resistance, high strength and high toughness, and also has excellent synchronization characteristics with respect to the mating member, so that the size and size can be reduced. It can sufficiently cope with the application as a structural member of various devices that require light weight and high output, and in practical use it will exhibit excellent performance over a long period of time. It has useful properties.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−206441（ＪＰ，Ａ) 特開 昭60−174843（ＪＰ，Ａ) 特開 昭54−100908（ＪＰ，Ａ) 特開 昭56−20137（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-206441 (JP, A) JP-A-60-174843 (JP, A) JP-A-54-100908 (JP, A) JP-A-56-206 20137 (JP, A)
Claims (2)
％、 酸素:0.03〜１％、 を含有し、残りがCuと不可避不純物からなる組成（以上
重量％）、並びに素地中に酸化アルミニウムを主体とし
た微細な酸化物および金属間化合物が均一に分散した組
織を有することを特徴とする耐摩耗性のすぐれた高強度
高靭性Cu基焼結合金。(1) Zn: 10 to 40%, Al: 0.3 to less than 5%, Mn: 0.1 to 5%, Si: 0.6 to 3%, one or more of Fe, Ni, and Co: 0.1-5
%, Oxygen: 0.03 to 1%, the balance being Cu and unavoidable impurities (more than weight%), and fine oxides and intermetallic compounds mainly composed of aluminum oxide dispersed uniformly in the base material High-strength, high-toughness Cu-based sintered alloy with excellent wear resistance, characterized by having a fine structure.
％、 酸素:0.03〜１％、 を含有し、さらに、 Cr:0.1〜３％、 を含有し、残りがCuと不可避不純物からなる組成（以上
重量％）、並びに素地中に酸化アルミニウムを主体とし
た微細な酸化物および金属間化合物が均一に分散した組
織を有することを特徴とする耐摩耗性のすぐれた高強度
高靭性Cu基焼結合金。2. Zn: 10 to 40%, Al: less than 0.3 to 5%, Mn: 0.1 to 5%, Si: 0.6 to 3%, one or more of Fe, Ni, and Co: 0.1-5
%, Oxygen: 0.03 to 1%, Cr: 0.1 to 3%, the balance being Cu and inevitable impurities (more than weight%), and aluminum oxide in the base material A high-strength, high-toughness Cu-based sintered alloy with excellent wear resistance, characterized by having a structure in which fine oxides and intermetallic compounds are uniformly dispersed.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63285214A JP2606335B2 (en) | 1988-11-11 | 1988-11-11 | High-strength, high-toughness Cu-based sintered alloy with excellent wear resistance |
| PCT/JP1989/001098 WO1990004657A1 (en) | 1988-10-26 | 1989-10-26 | Copper-based sintered alloy |
| US07/474,748 US5114468A (en) | 1988-10-26 | 1989-10-26 | Cu-base sintered alloy |
| EP89911878A EP0407596B1 (en) | 1988-10-26 | 1989-10-26 | Copper-based sintered alloy |
| DE68920575T DE68920575T2 (en) | 1988-10-26 | 1989-10-26 | Sintered copper-based alloys. |
| KR1019890016302A KR940002688B1 (en) | 1988-11-11 | 1989-11-10 | Copper-base sintered alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63285214A JP2606335B2 (en) | 1988-11-11 | 1988-11-11 | High-strength, high-toughness Cu-based sintered alloy with excellent wear resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02133537A JPH02133537A (en) | 1990-05-22 |
| JP2606335B2 true JP2606335B2 (en) | 1997-04-30 |
Family
ID=17688585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63285214A Expired - Lifetime JP2606335B2 (en) | 1988-10-26 | 1988-11-11 | High-strength, high-toughness Cu-based sintered alloy with excellent wear resistance |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2606335B2 (en) |
| KR (1) | KR940002688B1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2186606T3 (en) * | 2000-05-17 | 2003-05-16 | Wieland Werke Ag | COPPER-ZINC-ALUMINUM FORGED MATERIAL AND ITS USE. |
| DE102004058318B4 (en) * | 2004-12-02 | 2006-09-28 | Diehl Metall Stiftung & Co.Kg | Use of a copper-zinc alloy |
| PL2009122T3 (en) * | 2007-06-28 | 2015-03-31 | Wieland Werke Ag | Copper-zinc alloy, method for its manufacture and use |
| DE102013008822A1 (en) * | 2013-05-24 | 2014-11-27 | Wieland-Werke Ag | Mine for pens and use |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60174843A (en) * | 1984-02-21 | 1985-09-09 | Kobe Steel Ltd | Wear resistant copper alloy |
| JPH0788548B2 (en) * | 1987-02-24 | 1995-09-27 | 三菱マテリアル株式会社 | Wear resistant Cu alloy with high strength and toughness |
-
1988
- 1988-11-11 JP JP63285214A patent/JP2606335B2/en not_active Expired - Lifetime
-
1989
- 1989-11-10 KR KR1019890016302A patent/KR940002688B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR900008052A (en) | 1990-06-02 |
| KR940002688B1 (en) | 1994-03-30 |
| JPH02133537A (en) | 1990-05-22 |
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