EP1099000B1 - Gleitlagerwerkstoff auf aluminiumbasis - Google Patents
Gleitlagerwerkstoff auf aluminiumbasis Download PDFInfo
- Publication number
- EP1099000B1 EP1099000B1 EP99936571A EP99936571A EP1099000B1 EP 1099000 B1 EP1099000 B1 EP 1099000B1 EP 99936571 A EP99936571 A EP 99936571A EP 99936571 A EP99936571 A EP 99936571A EP 1099000 B1 EP1099000 B1 EP 1099000B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- iron
- mass
- silicon
- manganese
- aluminum
- 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
- C22C21/00—Alloys based on aluminium
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
Definitions
- the invention relates to a plain bearing material
- Aluminum base comprising an aluminum alloy with 10 up to 25% by mass tin, 0.8 to 1.2% by mass iron and components due to contamination.
- An aluminum alloy known under the short name AlSn20 usually also includes impurities in iron, which the manufacturers usually give as less than 0.7%. In fact, the iron content due to contamination is usually in the range from 0.3 to 0.4% by mass. According to popular belief, iron is rather undesirable in aluminum alloys, since the intermetallic phases that form, such as Al 3 Fe or in the presence of silicon FeSiAl 5 , have an embrittling effect and thus reduce fatigue strength and have a negative impact on formability. Iron aluminide crystallizes in the form of bars or needles or forms thin plates that form potential breakage nuclei and hinder forming. Efforts are therefore made to keep the iron content of the aluminum alloy forming the plain bearing material as low as possible, which limits the use of secondary aluminum or return scrap for the production of the plain bearing material and increases the manufacturing costs.
- the present invention is the Task based on a plain bearing material of the beginning described way to improve that he on the one hand shows good forming behavior and high Has fatigue strength and also hard phases forming additives, but not embrittling Show effect, with the plain bearing material should be inexpensive to manufacture.
- the disadvantageous morphology of the iron aluminides described at the outset can be improved by the targeted addition of either manganese and silicon or cobalt or molybdenum.
- Intermetallic compounds of iron, manganese, aluminum and silicon or iron cobalt or iron molybdenum mixed aluminides are then formed, the morphology of which is suitable in terms of good formability and high fatigue strength for the production of a plain bearing material, since it is not as a needle or can be called plate-shaped, but is rather characterized by spherical, homogeneously distributed phases, so that one can speak of a globular excretion.
- Examples include the addition of manganese and silicon, or primary (FeMn) 3 Si 2 Al 15 at higher contents. When cobalt or molybdenum is added, globular precipitates of the type (CoFe) 2 A 19 or MoFeAl x are formed.
- iron excretions become like this modified that they can be used to increase hardness let insert. So with the invention proposed that existing in secondary aluminum Not to reduce iron content in a complex manner, but consciously the iron contained in it to use the manner described above by the Iron content is increased to the specified range and the amounts of either manganese and Silicon or cobalt or molybdenum can be added. There is the lower limit of the manganese and silicon content in the ratio of iron content referred to above Sufficient formation of undesirable iron aluminides Prevent dimensions or largely. In terms of Improvement in the morphology of iron excretions was made the addition of manganese and silicon or alternatively cobalt or molybdenum recognized as equivalent in principle.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Sliding-Contact Bearings (AREA)
Description
oder durch Legierungszusätze in Form von
Claims (4)
- Gleitlagerwerkstoff auf Aluminiumbasis, umfassend eine Aluminiumlegierung mit 10 bis 25 Masse-% Zinn, 0,8 bis 1,2 Masse-% Eisen und Legierungszusätzen vonsowie verunreinigungsbedingten Bestandteilen und Rest Aluminium.a) 0,4 - 0,6 Masse-% Mangan und 0,4 - 0,6 Masse-% Silizium, wobei die masseprozentualen Anteile von Mangan und Silizium jeweils wenigstens die Hälfte des masseprozentualen Anteils des Eisens betragen,
oderb) 0,1 bis 0,5 Masse-% Cobalt oder Molybdän, - Gleitlagerwerkstoff nach Variante b) von Anspruch 1, gekennzeichnet durch 0,1 bis 0,3 Masse-% Cobalt.
- Gleitlagerwerkstoff nach Variante b) von Anspruch 1, gekennzeichnet durch 0,1 bis 0,3 Masse-% Molybdän.
- Gleitlagerwerkstoff nach einem der vorstehenden Ansprüche, gekennzeichnet durch 10 bis 14 Masse-% Zinn.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833200 | 1998-07-23 | ||
| DE19833200A DE19833200A1 (de) | 1998-07-23 | 1998-07-23 | Gleitlagerwerkstoff mit Aluminiumbasis |
| PCT/EP1999/005152 WO2000005427A1 (de) | 1998-07-23 | 1999-07-20 | Gleitlagerwerkstoff auf aluminiumbasis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1099000A1 EP1099000A1 (de) | 2001-05-16 |
| EP1099000B1 true EP1099000B1 (de) | 2002-12-04 |
Family
ID=7875081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99936571A Expired - Lifetime EP1099000B1 (de) | 1998-07-23 | 1999-07-20 | Gleitlagerwerkstoff auf aluminiumbasis |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6673168B1 (de) |
| EP (1) | EP1099000B1 (de) |
| JP (1) | JP2002521565A (de) |
| AT (1) | ATE229089T1 (de) |
| BR (1) | BR9909145A (de) |
| DE (2) | DE19833200A1 (de) |
| ES (1) | ES2186388T3 (de) |
| WO (1) | WO2000005427A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3857503B2 (ja) * | 2000-07-26 | 2006-12-13 | 大同メタル工業株式会社 | アルミニウム系軸受合金 |
| GB2366531B (en) * | 2000-09-11 | 2004-08-11 | Daido Metal Co | Method and apparatus for continuous casting of aluminum bearing alloy |
| DE102011004133B4 (de) * | 2011-02-15 | 2015-11-19 | Federal-Mogul Wiesbaden Gmbh | Verfahren zur Herstellung eines bleifreien, plattierten Aluminiumgleitlagers |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69936C (de) | B. MÜNSBERG in Berlin O., Mühlenstrafse 8 | Mikrophon, bei welchem der Stromschlufstheil durch verkohlte Faser gebildet wird | ||
| GB623486A (en) | 1947-05-02 | 1949-05-18 | Rupert Martin Bradbury | A bearing alloy |
| US4278740A (en) | 1978-07-11 | 1981-07-14 | Taiho Kogyo Co., Ltd. | Aluminum-tin base bearing alloy and composite |
| JPS6055582B2 (ja) | 1979-08-30 | 1985-12-05 | 大豊工業株式会社 | アルミニウム軸受材料 |
| US4471032A (en) * | 1981-10-15 | 1984-09-11 | Taiho Kogyo Co., Ltd. | Aluminum base bearing alloy and bearing composite |
| JPS6058774B2 (ja) * | 1982-02-01 | 1985-12-21 | 大豊工業株式会社 | アルミニウム軸受合金 |
| GB2182348B (en) * | 1985-09-13 | 1989-08-23 | Nippon Dia Clevite Co | Aluminium alloy and its use in a two-layer bearing material |
| JP2810057B2 (ja) * | 1988-08-05 | 1998-10-15 | 日産自動車株式会社 | アルミニウム系軸受合金 |
| JP3298635B2 (ja) * | 1990-04-27 | 2002-07-02 | 大豊工業株式会社 | アルミニウム系軸受合金 |
| CN1056888C (zh) * | 1996-07-18 | 2000-09-27 | 吉林工业大学 | 铸造铝铅合金滑动轴承材料及其制备工艺和设备 |
-
1998
- 1998-07-23 DE DE19833200A patent/DE19833200A1/de not_active Withdrawn
-
1999
- 1999-07-20 DE DE59903668T patent/DE59903668D1/de not_active Expired - Fee Related
- 1999-07-20 ES ES99936571T patent/ES2186388T3/es not_active Expired - Lifetime
- 1999-07-20 AT AT99936571T patent/ATE229089T1/de not_active IP Right Cessation
- 1999-07-20 WO PCT/EP1999/005152 patent/WO2000005427A1/de not_active Ceased
- 1999-07-20 EP EP99936571A patent/EP1099000B1/de not_active Expired - Lifetime
- 1999-07-20 BR BR9909145-3A patent/BR9909145A/pt not_active Application Discontinuation
- 1999-07-20 JP JP2000561373A patent/JP2002521565A/ja active Pending
- 1999-07-20 US US09/700,887 patent/US6673168B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1099000A1 (de) | 2001-05-16 |
| DE59903668D1 (de) | 2003-01-16 |
| ATE229089T1 (de) | 2002-12-15 |
| ES2186388T3 (es) | 2003-05-01 |
| WO2000005427A1 (de) | 2000-02-03 |
| DE19833200A1 (de) | 2000-01-27 |
| BR9909145A (pt) | 2000-12-05 |
| US6673168B1 (en) | 2004-01-06 |
| JP2002521565A (ja) | 2002-07-16 |
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