EP0926251B1 - Procédé pour la production et l'utilisation d'un alliage comprenant étain, titane et cuivre - Google Patents

Procédé pour la production et l'utilisation d'un alliage comprenant étain, titane et cuivre Download PDF

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Publication number
EP0926251B1
EP0926251B1 EP98123159A EP98123159A EP0926251B1 EP 0926251 B1 EP0926251 B1 EP 0926251B1 EP 98123159 A EP98123159 A EP 98123159A EP 98123159 A EP98123159 A EP 98123159A EP 0926251 B1 EP0926251 B1 EP 0926251B1
Authority
EP
European Patent Office
Prior art keywords
forming
semi
finished product
weight
tin
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
Application number
EP98123159A
Other languages
German (de)
English (en)
Other versions
EP0926251A1 (fr
Inventor
Andreas Dr. Bögel
Stephan Dr. Hansmann
Uwe Dr. Hofmann
Hilmar R. Dr. Müller
Joachim Dr. Riedle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wieland Werke AG
Original Assignee
Wieland Werke AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wieland Werke AG filed Critical Wieland Werke AG
Publication of EP0926251A1 publication Critical patent/EP0926251A1/fr
Application granted granted Critical
Publication of EP0926251B1 publication Critical patent/EP0926251B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
    • 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
    • C22C9/00—Alloys based on copper
    • C22C9/02—Alloys based on copper with tin as the next major constituent

Definitions

  • the invention relates to the use of a semi-finished product in strip, wire, tube or profile form made of a Cu-Sn-Ti alloy.
  • the CuSnTi alloy consists of Sn 12-20% by weight, Ti 0.002-1.0 % By weight remainder CU, optionally further elements and usual impurities.
  • Such an alloy can Sufficiently rapid cooling from the molten state Room temperature can be obtained in such a structural state that that for the Semi-finished product production preform (casting tape, casting block, casting bolt) is technically free from coarse, brittle phases and therefore in a special way for the Manufacture of semi-finished products as strips, profiles, wires, hollow profiles or tubes by kneading is suitable.
  • Such semi-finished products are ideal for Production of various everyday objects and items Functional parts of precision mechanics and electromechanics as well as general ones Mechanical engineering. Because of their chemical composition and the Such an alloy has a particularly favorable method of manufacture Combination of high mechanical strength with excellent ductility combined with good corrosion resistance.
  • the material is said to have the chemical and mechanical properties of the cast bronze Combine with the processing properties of the kneading materials for what especially the adjustment of the cold deformability and at the same time securing one high mechanical strength and hardness is necessary.
  • the object is achieved by the use of a semi-finished product made of a Cu-Sn-Ti alloy after the process steps according to claim 1 or 3 was produced.
  • the Cu-Sn-Ti alloy is made from the molten state cooled down so quickly that the castings
  • the usual segregation does not occur and that the structure is free of Macroscopic segregations is among macroscopic segregations understood structural components that are present in the cast structure and one Take a share of more than 10 vol .-% and one as individual phase fields Have dimensions of more than 1 mm.
  • a sufficiently high one Cooling rate between liquidus and solidus temperature to avoid Such macro-increases can be achieved by various techniques.
  • alloy compositions of the type to be used according to the invention provided technically as a preform, they are suitable for kneading in the Heat from rolling, pressing and forging and from these basic shapes derived forming process.
  • they can be warm beforehand formed castings, but also the castings themselves, by rolling, drawing, Hammering, embossing, deep drawing and forming processes derived from such as Pilgrims, flanging, knurling and bending are formed
  • Preforms according to 1.1 are preferably without a hot forming stage further processed.
  • Preforms according to 1.1 is expediently used faster and larger cross-section reduction a hot forming stage intended.
  • the sequence of cold working and intermediate annealing according to 2.2 and 2.3 serves the production of the desired semi-finished products and their dimensions - and can be used for Repeat as needed.
  • the cold forming and final treatments serve the manufacture of semi-finished products, the targeted adjustment of geometric and mechanical Properties for the direct use of the semi-finished product or its further processing e.g. by coating, plating or manufacturing composite materials.
  • the range of cast bronzes suitable for use in the present invention Representing a worthwhile range ranges from about 12 to 20% by weight of Sn.
  • Iron in the content of also serves to support the homogeneous structure formation 0.005 to 2% by weight, but it also contributes solely through the formation of connections Sn and in interaction with aluminum, titanium, zirconium and phosphorus thermal stabilization of the material under thermal stress. Levels above 2% by weight are very high because of the then great risk Avoid iron lines or individual iron particles that are forming flawless surfaces. Common substitute for iron is cobalt, for the same applies.
  • Magnesium contents up to 1% by weight can be similar to titanium, zirconium or Phosphorus can also be used. Regarding the limitation of the salaries the considerations made for titanium and zircon apply. In addition, the Compound formation of magnesium and phosphorus and the strong tendency of Magnesium for strengthening the tempering for thermal stabilization of the Material can be used.
  • Aluminum can be used advantageously up to 2% by weight to harden the temper to strengthen and / or to increase the mechanical parameters.
  • the melt proves an aluminum addition to be advantageous if the viscosity must be set to a low level because Residual oxygen levels in interaction with titanium and magnesium in particular Have made the melt viscous.
  • Aluminum contents higher than 2% by weight lead to impairments of later operations for surface finishing, such as for example electroplating and also make soldering or welding difficult, and should therefore be avoided.
  • Tin bronzes are very suitable for this. The higher their tin content, the higher the strengths achieved. Common kneading tin bronze included rarely more than 9% by weight and therefore appear unsatisfactory. Tin bronzes with very high levels e.g. 15% by weight are now used as kneading materials of the present invention.
  • a bolt CuSn16Ti with the composition 15.5% by weight Sn, 0.25% by weight Ti, 84.15% by weight Cu (rest usual impurities) was used with a spray compacting system from Mannesmann- Demag sprayed under license from Osprey Metals.
  • the composition was melted in a vacuum furnace to avoid the undesirable slagging of Ti.
  • the gas-metal ratio set during spraying was 0.45 Nm 3 / kg.
  • the dimensions achieved were 480mm in diameter and 1200mm in length.
  • the hardness remains for the material according to this invention significantly higher level and the grain size is significantly smaller than for not Materials according to the invention, even when using the inventive How to use higher tin contents.
  • the behavior of the material to be used according to the invention is favorable, according to the Method according to the invention produced whenever after The highest possible strength should be maintained in connection work and that Suitability for use due to coarse grain formation with regard to mechanical loads or questions of surface processing must not be restricted.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Forging (AREA)
  • Conductive Materials (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Claims (6)

  1. Procédé de production et utilisation d'un alliage cuivre-étain-titane consistant en
    12 à 20 % en masse d'étain
    0,002 à 1 % en masse de titane,
    au choix 0,005 à 2 % en masse de fer et/ou de cobalt,
    au choix encore jusqu'à 5 % en masse de nickel, jusqu'à 1 % en masse de magnésium, jusqu'à 2 % en masse d'aluminium,
    jusqu'à 5 % en masse de manganèse et/ou de zinc au maximum,
    le reste étant du cuivre et des impuretés habituelles,
    comportant les étapes suivantes :
    a) préformage de blocs par compactage par pulvérisation,
    b) formage à chaud par extrusion ou forgeage dans le domaine de température de T = 550 à 800°C,
    c) formage d'un demi-produit par une ou plusieurs étapes de formage à froid avec un degré de formage de référence total ϕ d'au maximum ϕ = 3,
    suivies chacune par un recuit intermédiaire au-dessus de la température de recristallisation dans le domaine de température de T = 400 à 700°C pendant 1 min à 10 h,
    d) éventuellement nettoyage de la surface par un procédé physique, mécanique ou chimique,
    où le demi-produit est utilisé pour la production de bijoux, d'accessoires d'habillement, de branches de lunettes, de charnières de lunettes, de profils de contour des yeux, de pièces pour bracelets de montres-bracelets ou de boítiers de montres-bracelets.
  2. Utilisation d'un demi-produit constitué par un alliage cuivre-étain-titane selon la revendication 1, où le titane est remplacé en partie par du zirconium pour l'objet selon la revendication 1.
  3. Utilisation d'un demi-produit sous forme de bande constitué par un alliage cuivre-étain-titane selon la revendication 1 ou 2 qui est produit selon un procédé comportant les étapes suivantes :
    a) préformage de bandes d'une épaisseur supérieure à 2,0 mm et pouvant atteindre 25 mm par coulée de bandes minces,
    b) formage à chaud par laminage à chaud dans le domaine de température de T = 600 à 800°C,
    c) formage du demi-produit par une ou plusieurs étapes de formage à froid avec un degré de formage de référence totale ϕ d'au maximum ϕ = 3,
    suivies chacune par un recuit intermédiaire au-delà de la température de recristallisation dans le domaine de température de T = 400 à 700°C pendant 1 min à 10 h,
    d) éventuellement nettoyage de la surface par des procédés physiques, mécaniques ou chimiques,
    pour l'objet selon la revendication 1.
  4. Utilisation d'un demi-produit selon la revendication 3 lors de la production duquel un dernier formage à froid est réalisé entre les étapes c) et d) à titre d'étape e) pour l'objet selon la revendication 1.
  5. Utilisation d'un demi-produit selon la revendication 4 lors de la production duquel, après l'étape e), à titre d'étape
    f1) un traitement thermique final au-dessous de la température de recristallisation est réalisé dans le domaine de température de T = 150 à 300°C pendant 1 min à 10 h, pour l'objet selon la revendication 1.
  6. Utilisation d'un demi-produit selon la revendication 4 lors de la production duquel, après l'étape e), à titre d'étape
    f2), un traitement thermique final est réalisé dans le domaine de température de 700 à 900°C pendant 1 min à 10 h avec refroidissement approprié subséquent depuis cette température de recuit, de sorte qu'il en résulte une structure à plusieurs phases, pour l'objet selon la revendication 1.
EP98123159A 1997-12-19 1998-12-04 Procédé pour la production et l'utilisation d'un alliage comprenant étain, titane et cuivre Expired - Lifetime EP0926251B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19756815 1997-12-19
DE19756815A DE19756815C2 (de) 1997-12-19 1997-12-19 Kupfer-Knetlegierung, Verfahren zur Herstellung eines Halbzeuges daraus und deren Verwendung

Publications (2)

Publication Number Publication Date
EP0926251A1 EP0926251A1 (fr) 1999-06-30
EP0926251B1 true EP0926251B1 (fr) 2003-04-02

Family

ID=7852708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98123159A Expired - Lifetime EP0926251B1 (fr) 1997-12-19 1998-12-04 Procédé pour la production et l'utilisation d'un alliage comprenant étain, titane et cuivre

Country Status (5)

Country Link
US (1) US6136103A (fr)
EP (1) EP0926251B1 (fr)
DE (2) DE19756815C2 (fr)
ES (1) ES2196465T3 (fr)
PT (1) PT926251E (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA05002640A (es) * 2002-09-13 2005-07-19 Olin Corp Aleacion a base de cobre que endurece por envejecimiento y proceso.
DE102004012386A1 (de) * 2004-03-13 2005-10-06 Wieland-Werke Ag Verbundhalbzeug aus einer Kupferlegierung, Herstellungsverfahren und Verwendung
DE102004044519A1 (de) * 2004-09-15 2006-03-30 Wieland-Werke Ag Gleitkörper und Verfahren zur Herstellung eines Gleitkörpers sowie dessen Verwendung
JP2007211324A (ja) * 2006-02-13 2007-08-23 Sanbo Copper Alloy Co Ltd 半融合金鋳造用原料りん青銅合金
DE202007019373U1 (de) 2007-04-02 2012-02-06 Ed. Fitscher Gmbh & Co. Kg Verwendung einer Bronzelegierung für ein Schneckenzahnrad
EP1980633B1 (fr) 2007-04-02 2011-09-07 Ed. Fitscher GmbH & Co. KG Usage d'un alliage de cuivre pour un vis sans fin
EP2842681A1 (fr) * 2013-09-02 2015-03-04 Prükom Prüfgesellschaft für Metall- und Kunststoffteile mbH Procédé de brasage d'au moins deux pièces en utilisant une bague de brasure
CN107532239B (zh) 2015-03-18 2021-03-19 美题隆公司 磁性铜合金
DE102016002618A1 (de) 2016-03-03 2017-09-07 Wieland-Werke Ag Zinnhaltige Kupferlegierung, Verfahren zu deren Herstellung sowie deren Verwendung
DE102016002604A1 (de) 2016-03-03 2017-09-07 Wieland-Werke Ag Zinnhaltige Kupferlegierung, Verfahren zu deren Herstellung sowie deren Verwendung

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Publication number Priority date Publication date Assignee Title
DE623845C (fr) * 1900-01-01
DE1458340A1 (de) * 1963-12-27 1968-11-07 Berkenhoff & Co Aushaertbare Legierung
BE790453A (fr) * 1971-10-26 1973-02-15 Brooks Reginald G Fabrication d'articles en metal
CA980223A (en) * 1972-10-10 1975-12-23 John T. Plewes Method for treating copper-nickel-tin alloy compositions and products produced therefrom
GB1599392A (en) * 1978-05-31 1981-09-30 Osprey Metals Ltd Method and apparatus for producing workable spray deposits
JPS5776142A (en) * 1980-10-30 1982-05-13 Hitachi Chem Co Ltd Abrasion-resistant copper-tin alloy
GB2179673A (en) * 1985-08-23 1987-03-11 London Scandinavian Metall Grain refining copper alloys
EP0241540A1 (fr) * 1985-10-11 1987-10-21 National Aluminium Corporation Procede et appareil de coulee en continu d'une feuille de metal
ATE71988T1 (de) * 1985-11-12 1992-02-15 Osprey Metals Ltd Herstellen von schichten durch zerstaeuben von fluessigen metallen.
DE3601338A1 (de) * 1985-11-29 1987-06-04 Mannesmann Ag Vorrichtung zum kontinuierlichen giessen von breitem band
JPH07113143B2 (ja) * 1987-03-20 1995-12-06 三菱電機株式会社 高強度銅合金の製造方法
AU611343B2 (en) * 1989-07-31 1991-06-06 Toyota Jidosha Kabushiki Kaisha Dispersion strengthened copper-base alloy for overlay
US5102621A (en) * 1990-12-21 1992-04-07 Ucar Carbon Technology Corporation Ternary brazing alloy for carbon or graphite
DE4126079C2 (de) * 1991-08-07 1995-10-12 Wieland Werke Ag Bandgießverfahren für ausscheidungsbildende und/oder spannungsempfindliche und/oder seigerungsanfällige Kupferlegierungen
DE4201065C2 (de) * 1992-01-17 1994-12-08 Wieland Werke Ag Anwendung des Sprühkompaktier-Verfahrens zur Verbesserung der Biegewechselfestigkeit von Halbzeug aus Kupferlegierungen

Also Published As

Publication number Publication date
US6136103A (en) 2000-10-24
DE19756815C2 (de) 2003-01-09
DE19756815A1 (de) 1999-07-01
EP0926251A1 (fr) 1999-06-30
PT926251E (pt) 2003-08-29
ES2196465T3 (es) 2003-12-16
DE59807730D1 (de) 2003-05-08

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