EP3156510A1 - Alliage cuzn blanc sans nickel et utilisation dudit alliage - Google Patents

Alliage cuzn blanc sans nickel et utilisation dudit alliage Download PDF

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Publication number
EP3156510A1
EP3156510A1 EP16002090.5A EP16002090A EP3156510A1 EP 3156510 A1 EP3156510 A1 EP 3156510A1 EP 16002090 A EP16002090 A EP 16002090A EP 3156510 A1 EP3156510 A1 EP 3156510A1
Authority
EP
European Patent Office
Prior art keywords
nickel
alloy
free white
free
cuzn
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.)
Granted
Application number
EP16002090.5A
Other languages
German (de)
English (en)
Other versions
EP3156510B1 (fr
Inventor
Norbert Gaag
Florian Seuss
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.)
Diehl Metall Stiftung and Co KG
Original Assignee
Diehl Metall Stiftung and Co KG
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 Diehl Metall Stiftung and Co KG filed Critical Diehl Metall Stiftung and Co KG
Publication of EP3156510A1 publication Critical patent/EP3156510A1/fr
Application granted granted Critical
Publication of EP3156510B1 publication Critical patent/EP3156510B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C22C9/05—Alloys based on copper with manganese as the next major constituent
    • 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

Definitions

  • the invention relates to a nickel-free white CuZn alloy and a use of such a nickel-free white CuZn alloy.
  • Nickel-free white CuZn alloys are characterized by their white color and their antiallergenic properties. They are therefore used in particular for the production of zippers, metal buttons and the like .. It is exemplified on the EP 1 319 728 A1 directed.
  • the known nickel-free white CuZn alloy consists of the elements Cu, Zn and Mn.
  • the DE 100 16 525 A1 as well as the corresponding ones EP 1 045 042 A1 disclose a nickel-free white CuZn alloy which contains 0.5 to 4% Al to improve stress corrosion cracking resistance.
  • alloying elements may be included in a group of Si, Ti and Cr.
  • the DE 43 25 217 C2 discloses another nickel-free CuZn white alloy for making zippers. From this it is known to add to the alloy to improve the stress corrosion cracking resistance a content of 2% Al.
  • the known nickel-free white CuZn alloys do not have particularly good extrusion properties. There is a need to provide a nickel-free white CuZn alloy with improved extrusion properties.
  • the object of the invention is to satisfy this need.
  • the proposed alloy is characterized by improved extrusion properties. It is white and in particular has good antimicrobial properties. It is therefore particularly suitable for the production of fittings in buildings of the health sector, eg. As hospitals, nursing homes or medical practices, as well as in all public buildings with high public traffic.
  • the proposed alloy for example, for the production of fittings for doors, windows, z. As door and window handles, door panels and handrails are used.
  • the alloy may contain 0 to 0.2% Sn.
  • the alloy contains according to a further embodiment 0.03 to 0.1%, preferably 0.05 to 0.08%, Pb. It may further contain 1.5 to 2.3%, preferably 1.9 to 2.1%, Al. Furthermore, 12.8 to 14.7%, preferably 13.0 to 14.4%, Mn may be included.
  • the alloy advantageously consists of the abovementioned alloying elements. "%” In the context of the invention "wt.%” Understood.
  • the Fig. 1 shows the result of compression tests of 600 ° C.
  • the alloy of the invention can be significantly better deformed.
  • a "maximum possible deformation" resulting from exerting the maximum force of the press used to perform the compression tests is 53.5% for the comparative alloy and 71.5% for the alloy according to the invention.
  • Fig. 2 shows the result of compression tests at 700 ° C.
  • the comparative alloy shows a clear cracking already from a degree of deformation of 60%.
  • the alloy according to the invention can be deformed without cracks up to a maximum degree of deformation of 74.5%.
  • the alloy according to the invention is characterized by improved deformation properties and thus also by improved extrusion properties.
  • the advantageous properties of the alloy are attributed to the fact that the alloy contains 0.01 to 0.15% Pb and 0.01 to 0.2% Fe compared to corresponding prior art alloys.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Of Metal (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Adornments (AREA)
EP16002090.5A 2015-10-09 2016-09-27 Alliage cuzn blanc sans nickel et utilisation dudit alliage Not-in-force EP3156510B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015013201.6A DE102015013201B4 (de) 2015-10-09 2015-10-09 Verwendung einer nickelfeie weiße CuZn-Legierung

Publications (2)

Publication Number Publication Date
EP3156510A1 true EP3156510A1 (fr) 2017-04-19
EP3156510B1 EP3156510B1 (fr) 2018-06-13

Family

ID=57044858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16002090.5A Not-in-force EP3156510B1 (fr) 2015-10-09 2016-09-27 Alliage cuzn blanc sans nickel et utilisation dudit alliage

Country Status (5)

Country Link
US (1) US10041149B2 (fr)
EP (1) EP3156510B1 (fr)
JP (1) JP2017133094A (fr)
KR (1) KR20170042474A (fr)
DE (1) DE102015013201B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018007045A1 (de) * 2018-09-06 2020-03-12 Diehl Metall Stiftung & Co. Kg Verwendung einer Messinglegierung zur Herstellung von Bauteilen für den Heizungsbau

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132424A (en) * 1978-04-06 1979-10-15 Mitsubishi Metal Corp White copper alloy for architecture and decorative technical art
DE4325217A1 (de) * 1993-07-28 1995-02-02 Diehl Gmbh & Co Verwendung einer Kupferlegierung für Reißverschlüsse
EP1045042A1 (fr) 1999-04-16 2000-10-18 Ykk Corporation Alliage de cuivre blanc, exempt de nickel
DE10016525A1 (de) 1999-04-16 2000-10-26 Ykk Corp Nickelfreie Weißkupferlegierung
EP1319728A1 (fr) 2001-12-14 2003-06-18 YKK Corporation Alliage de cuivre pour fermetures à glissière présentant une excellente coulabilité en continu

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194153B (de) 1958-10-18 1965-06-03 Dr Eugen Vaders Verwendung einer Kupfer-Mangan-Zink-Legie-rung als Werkstoff fuer einer Gleitbeanspruchung ausgesetzten Maschinenteile
US3778237A (en) * 1972-03-29 1973-12-11 Olin Corp Plated copper base alloy article
DE4313308C1 (de) 1993-04-23 1994-04-07 Wieland Werke Ag Verwendung einer Kupfer-Zink-Legierung zur Herstellung von nickelfreien Gebrauchsgegenständen
US5582281A (en) 1994-07-19 1996-12-10 Chuetsu Metal Works Co., Ltd. Method of connecting a sliding member to a synchronizer ring
WO2005087957A1 (fr) 2004-03-12 2005-09-22 Sumitomo Metal Industries, Ltd. Alliage de cuivre et méthode de production de celui-ci
DE102004058318B4 (de) * 2004-12-02 2006-09-28 Diehl Metall Stiftung & Co.Kg Verwendung einer Kupfer-Zink-Legierung
DE102006009396B4 (de) * 2006-03-01 2012-08-16 Diehl Metall Stiftung & Co. Kg Messinglegierung sowie Synchronring
US20100061884A1 (en) * 2008-09-10 2010-03-11 Pmx Industries Inc. White-colored copper alloy with reduced nickel content
DE102013004383B4 (de) * 2013-03-12 2015-06-03 Diehl Metall Stiftung & Co. Kg Verwendung einer Kupfer-Zink-Legierung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132424A (en) * 1978-04-06 1979-10-15 Mitsubishi Metal Corp White copper alloy for architecture and decorative technical art
DE4325217A1 (de) * 1993-07-28 1995-02-02 Diehl Gmbh & Co Verwendung einer Kupferlegierung für Reißverschlüsse
DE4325217C2 (de) 1993-07-28 1995-05-11 Diehl Gmbh & Co Verwendung einer Kupferlegierung für Reißverschlüsse
EP1045042A1 (fr) 1999-04-16 2000-10-18 Ykk Corporation Alliage de cuivre blanc, exempt de nickel
DE10016525A1 (de) 1999-04-16 2000-10-26 Ykk Corp Nickelfreie Weißkupferlegierung
EP1319728A1 (fr) 2001-12-14 2003-06-18 YKK Corporation Alliage de cuivre pour fermetures à glissière présentant une excellente coulabilité en continu

Also Published As

Publication number Publication date
EP3156510B1 (fr) 2018-06-13
US20170101701A1 (en) 2017-04-13
DE102015013201B4 (de) 2018-03-29
JP2017133094A (ja) 2017-08-03
US10041149B2 (en) 2018-08-07
DE102015013201A1 (de) 2017-04-13
KR20170042474A (ko) 2017-04-19

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