WO1991013183A1 - Halbzeug aus kupfer oder einer kupferlegierung mit kohlenstoffzusatz - Google Patents
Halbzeug aus kupfer oder einer kupferlegierung mit kohlenstoffzusatz Download PDFInfo
- Publication number
- WO1991013183A1 WO1991013183A1 PCT/EP1991/000356 EP9100356W WO9113183A1 WO 1991013183 A1 WO1991013183 A1 WO 1991013183A1 EP 9100356 W EP9100356 W EP 9100356W WO 9113183 A1 WO9113183 A1 WO 9113183A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- maximum
- semi
- finished product
- copper
- product according
- 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.)
- Ceased
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
Definitions
- the invention relates to semi-finished products made of copper or a copper alloy according to the preamble of claim 1.
- Semi-finished products made of copper alloys with zinc and lead are widely used for the production of parts in which cutting work, such as turning, drilling and milling, has to be carried out. These alloys usually contain between 5 and 40% zinc, as well as between 0.1 and 4% lead, the rest copper.
- the lead content acts as a chip breaker and facilitates the economical processing of semi-finished products in the form of tubes, rods, sheets or strips made of the above-mentioned alloys into small parts.
- the object of the invention is therefore to provide a semifinished product of the type mentioned made of a copper material suitable for machining work, which is hygienically perfect and, in particular, can also be produced economically.
- the copper or copper alloy contains 0.01-10% carbon, preferably 0.01-2% carbon (the percentages relate to the weight). It has surprisingly been found that the addition of lead can be dispensed with entirely if carbon is added to the usual copper alloys instead of lead. It is known that carbon admixtures have a favorable influence on the sliding behavior of sintered bodies based on copper, but all previously known carbon-containing alloys have not been developed for use as semi-finished products but only for use as sliding elements such as sliding bearings, sliding rails and the like (cf. DE-PS 2.545.876 Only processes of powder metallurgy are mentioned as production processes for these mixtures - such as producing a powder mixture, pressing and sintering this mixture to produce individual parts. This route is expensive and is only suitable for a few special products, but not for such mass products, as they are made today from the lead-containing brass materials in large numbers and variety.
- the copper or the copper alloy contains the carbon in the form of graphite or soot particles, the size of which is preferably in the range from approximately 0.01 to 1500 ⁇ m.
- the lower grain size range is preferably covered by soot, the upper by graphite. If soot is used in pre-agglomerated form, the average size of the agglomerates is between about 10 and 1500 ⁇ m.
- brass and bronze alloys are preferably used for machining work, but the application of the invention to other copper alloys is readily possible if required.
- a brass alloy contains in particular 1 to 45% zinc, aluminum (maximum 10%), nickel (maximum 20%), tin (maximum 6%) silicon (maximum 4%), iron (maximum 2%) are recommended as optional components or in combination. ), Manganese (maximum 8%).
- Other optional components that can be added individually and in combination to achieve special strength properties are chromium, zirconium, titanium, magnesium, phosphorus, antimony (in each case a maximum of 1%).
- a bronze alloy contains in particular 0.1 to 12% tin, al optional components individually or in combination, such as zinc (maximum 6%), nickel (maximum 5%), iron (maximum 4%) and other optional components for setting special properties the elements phosphorus, chrome, zirconium, titanium, magnesium (each up to a maximum of 1%).
- An aluminum bronze contains in particular 1 to 10% aluminum and, as optional components, individually or in combination iron (maximum 5%), nickel (maximum 8%), silicon (maximum 4%), mang (maximum 5%), tin (maximum 3%) as well as other optional components chrome, titanium, zircon, magnesium, phosphorus, up to a maximum of 1% individually or in combination.
- a low-alloy copper alloy contains either individually or in combination phosphorus (maximum 0.5%), iron (maximum 4%), tin (maximum 3%), nickel (maximum 4%), silicon (maximum 2%), chromium (maximum 2%), cobalt (maximum 2%), berylliu (maximum 2%) and, as further optional components, titanium, zirconium, magnesium, manganese, arsenic, zinc up to a maximum of 1% individually or in combination.
- the above-mentioned semifinished products according to the invention can then be produced with the hot and cold forming equipment available in many semifinished factories if the blanks required for the production, that is to say pressing bolts for the shaping on extrusion presses or slabs for hot rolling, are produced economically Prepress stage ready.
- the spray compacting method is preferably used for this preliminary stage (cf. EP-OS 0.198.613).
- a melt is broken down into droplets by a gas jet in a suitable nozzle, and the drops are collected on a base to form a solid body.
- Dispersion particles can be introduced into the melt droplet jet and solid bolts and slabs with dispersed particles can be produced in this way.
- a protective gas or gas mixture protecting against oxidation is preferably used.
- carbon particles are blown into the melt droplet jet of a carbon-free copper or a carbon-free copper alloy directed onto a base.
- the particles can consist of carbon black or graphite powder.
- Pre-agglomeration of the soot particles into a more free-flowing spherical shape is particularly useful in the case of soot.
- the soot or graphite particles are metered into the auxiliary gas jet either via a mechanical metering device (eg screw) or via a vibrating trough.
- a protective gas or a gas mixture protecting against oxidation is expediently used again as the carrier gas for the particles.
- a certain inclination of the central line of the jet cones formed with respect to one another is important.
- the angle of inclination between the two central lines of the beam cone is between 10 ° and 90 °, preferably between 20 "and 70 °.
- the carbon particles can also be introduced by mechanical means into the melt droplet jet of a carbon-free copper or a carbon-free copper alloy directed onto a base.
- the semifinished products according to the invention are preferably used for the production of parts in which machining work has to be carried out. These include in particular drilling, turning or milling parts such as fittings, threads, clock parts, pins, etc.
- Fig. 1 shows the principle of spray compacting
- a spray compacting chamber 1 On the top of a spray compacting chamber 1 is a crucible with a copper-zinc melt 3, which contains 30% zinc, the rest copper contains in addition to the technically usual impurities, set and introduced the melt 3 through a stopper valve 2 'in a nozzle 4.
- the atomizing gas 5 hits the melt 3 and breaks down the spray into a conical droplet jet 6.
- the droplet jet 6 hits a rotating base 7, which can be part of a bolt, for example, and solidifies there. 8 kg of melt per hour are passed through the nozzle 4.
- a jet 10 of spherically agglomerated soot particles with an average particle size of 200 ⁇ m is blown into the trajectory of the droplet jet 6 via a metering nozzle 8 (two possible positions are shown) through a gas stream 9.
- the auxiliary gas jet 10 transports 4 kg of soot particles per hour into the atomization chamber 1.
- a bolt is then formed, which contains 0.36% carbon
- FIG. 2 shows the angle of inclination ⁇ between the center line 6 'of the melt droplet jet 6 and the center line 10' of the particle jet 10 (auxiliary gas jet).
- the blanks in the form of bolts or slabs explained using the example still have a certain residual porosity of at most 5%.
- This residual porosity is reduced by the subsequent hot and cold forming steps (such as extrusion, hot rolling, cold rolling and drawing), so that in relation to the known sintered bodies with high porosity, a dense, mechanically highly stressable semi-finished product is produced.
- the usual admixtures are sawn to the required length after removal from the compression device and pressed in a continuous press, for example to form a brass rod.
- the pressing temperature is chosen between 650 and 750 ° C.
- the brass rod has an outer diameter of 20 mm, for example. When pressed, the rod has strength values between 320 and 400 N / mm 2 and a Brinell hardness of approximately 72 to 105 HB.
- a section of the bar is subjected to a forehead turning test on a lathe with a conventional swivel chair. This creates short, tangy chips.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI915154A FI915154A0 (fi) | 1990-03-01 | 1991-02-26 | Halvfabrikat av koppar eller kopparlegering innehaollande kol. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4006410A DE4006410C2 (de) | 1990-03-01 | 1990-03-01 | Halbzeug aus Kupfer oder einer Kupferlegierung mit Kohlenstoffzusatz |
| DEP4006410.7 | 1990-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1991013183A1 true WO1991013183A1 (de) | 1991-09-05 |
Family
ID=6401191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP1991/000356 Ceased WO1991013183A1 (de) | 1990-03-01 | 1991-02-26 | Halbzeug aus kupfer oder einer kupferlegierung mit kohlenstoffzusatz |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0471048A1 (de) |
| JP (1) | JPH04505482A (de) |
| CA (1) | CA2054755A1 (de) |
| DE (1) | DE4006410C2 (de) |
| FI (1) | FI915154A0 (de) |
| WO (1) | WO1991013183A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012104426A2 (en) | 2011-02-04 | 2012-08-09 | Swissmetal Industries Ltd | Cu-ni-zn-mn alloy |
| EP2476765A4 (de) * | 2009-09-07 | 2015-10-07 | Shirogane Co Ltd | Kupferlegierung und herstellungsverfahren dafür |
| EP3434335A1 (de) * | 2017-07-28 | 2019-01-30 | Bayer Aktiengesellschaft | Apparat zur handhabung von schüttgut |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0751567B1 (de) * | 1995-06-27 | 2007-11-28 | International Business Machines Corporation | Kupferlegierungen für Chipverbindungen und Herstellungsverfahren |
| EP1251186A1 (de) * | 2001-04-19 | 2002-10-23 | Wieland-Werke AG | Kupfer-Nickel-Mangan-Legierung und deren Verwendung |
| DE50106520D1 (de) * | 2001-04-19 | 2005-07-21 | Wieland Werke Ag | Verwendung einer sprühkompaktierten Kupfer-Nickel-Mangan-Legierung |
| RU2224920C2 (ru) * | 2001-09-18 | 2004-02-27 | Сергей Михайлович Романов | Антифрикционный материал романит-н, способ его получения и элемент узла трения |
| UA52478C2 (en) * | 2002-06-14 | 2004-09-15 | Serhii Mykhailovych Romanov | Antifriction material "romanit-s", a method for obtaining thereof and friction unit element made of antifriction material |
| UA60888C2 (en) * | 2003-03-26 | 2006-08-15 | Serhii Mykhailovych Romanov | An antifriction material romanit-st, a method for obtaining thereof and friction unit element |
| UA61751C2 (en) * | 2003-04-11 | 2006-11-15 | Serhii Mykhailovych Romanov | ôROMANIT - VVLö ANTIFRICTION MATERIAL, PROCESS FOR ITS PREPARATION AND FRICTION SUBUNIT |
| JP2007211325A (ja) * | 2006-02-13 | 2007-08-23 | Sanbo Copper Alloy Co Ltd | 半融合金鋳造用原料アルミニウム青銅合金 |
| CN111299347B (zh) * | 2019-12-19 | 2022-10-18 | 中国航空制造技术研究院 | 一种宽幅带筋薄壁板的挤压成形方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2810641A (en) * | 1954-12-22 | 1957-10-22 | Iii John S Roberts | Precipitation hardenable copper, nickel, aluminum, zirconium alloys |
| US3374126A (en) * | 1965-10-08 | 1968-03-19 | Int Nickel Co | Bright annealing of tubular metal articles |
| BE757506A (fr) * | 1969-10-14 | 1971-04-14 | Int Nickel Ltd | Alliages de nickel et de zinc |
| BE791870A (fr) * | 1971-11-26 | 1973-03-16 | Ver Deutsche Metallwerke Ag | Alliage de petrissage a base de cuivre-nickel |
| JPS556695B2 (de) * | 1974-12-28 | 1980-02-19 | ||
| DE3207247C2 (de) * | 1982-02-25 | 1984-07-26 | Mannesmann AG, 4000 Düsseldorf | Verfahren zur Verbesserung der Schweißeignung einer Kupfer-Nickel-Legierung |
| DE3321438A1 (de) * | 1983-06-14 | 1985-03-07 | Hilti Ag, Schaan | Reaktionslot auf kupferbasis |
-
1990
- 1990-03-01 DE DE4006410A patent/DE4006410C2/de not_active Revoked
-
1991
- 1991-02-26 FI FI915154A patent/FI915154A0/fi unknown
- 1991-02-26 WO PCT/EP1991/000356 patent/WO1991013183A1/de not_active Ceased
- 1991-02-26 EP EP91904195A patent/EP0471048A1/de not_active Withdrawn
- 1991-02-26 JP JP3504226A patent/JPH04505482A/ja active Pending
- 1991-02-26 CA CA002054755A patent/CA2054755A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| Patent Abstracts of Japan, Band 6, Nr. 154 (C-119)(1032), 14 August 1982; & JP-A-5773149 (HITACHI KASEI KOGYO K.K.) 7. Mai 1982 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2476765A4 (de) * | 2009-09-07 | 2015-10-07 | Shirogane Co Ltd | Kupferlegierung und herstellungsverfahren dafür |
| WO2012104426A2 (en) | 2011-02-04 | 2012-08-09 | Swissmetal Industries Ltd | Cu-ni-zn-mn alloy |
| EP3434335A1 (de) * | 2017-07-28 | 2019-01-30 | Bayer Aktiengesellschaft | Apparat zur handhabung von schüttgut |
| WO2019020557A1 (de) * | 2017-07-28 | 2019-01-31 | Bayer Aktiengesellschaft | Verwendung von funkenarmen werkstoffen bei der handhabung von schüttgut |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4006410A1 (de) | 1991-09-05 |
| JPH04505482A (ja) | 1992-09-24 |
| DE4006410C2 (de) | 1994-01-27 |
| FI915154A7 (fi) | 1991-10-31 |
| CA2054755A1 (en) | 1991-09-02 |
| FI915154A0 (fi) | 1991-10-31 |
| EP0471048A1 (de) | 1992-02-19 |
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