GB2011947A - A copper/zinc alloy and a method of producing such alloy - Google Patents

A copper/zinc alloy and a method of producing such alloy

Info

Publication number
GB2011947A
GB2011947A GB7847492A GB7847492A GB2011947A GB 2011947 A GB2011947 A GB 2011947A GB 7847492 A GB7847492 A GB 7847492A GB 7847492 A GB7847492 A GB 7847492A GB 2011947 A GB2011947 A GB 2011947A
Authority
GB
United Kingdom
Prior art keywords
alloy
copper
producing
alpha
semi
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.)
Withdrawn
Application number
GB7847492A
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 Verwaltungs Stiftung
Original Assignee
Diehl GmbH and Co
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 GmbH and Co filed Critical Diehl GmbH and Co
Publication of GB2011947A publication Critical patent/GB2011947A/en
Withdrawn legal-status Critical Current

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
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/025—Synchro rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Forging (AREA)
  • Conductive Materials (AREA)

Abstract

A copper/zinc alloy for semi- finished products and semi-manufactured articles, and in particular suitable for synchronising rings, in which a uniform or constant coefficient of friction, good workability and high resistance to wear are required, consists of 70 to 75% Cu, 6 to 8 % Mn, 4 to 6% Al, 1 to 4% Si, 1 to 3% Fe, 0.5 to 1.5% Pb, less than 0.05% Ni, less than 0.05% Sn, the remainder being Zn (all data expressed as percentages by weight). Said alloy has a structure consisting of beta -phase in which 15 to 40%, preferably approximately 30 to 35%, alpha -phase is embedded. A method of producing the alloy comprises the steps of continuous casting, extrusion, forging, rapid cooling from between 600 and 750 DEG C, and subsequent heat treatment at between 1 and 20 hours at 150 to 350 DEG C leading to alpha -precipitation of 15 to 40%.
GB7847492A 1977-12-16 1978-12-07 A copper/zinc alloy and a method of producing such alloy Withdrawn GB2011947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2756068 1977-12-16

Publications (1)

Publication Number Publication Date
GB2011947A true GB2011947A (en) 1979-07-18

Family

ID=6026270

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7847492A Withdrawn GB2011947A (en) 1977-12-16 1978-12-07 A copper/zinc alloy and a method of producing such alloy

Country Status (5)

Country Link
ES (1) ES475937A1 (en)
FR (1) FR2411895A1 (en)
GB (1) GB2011947A (en)
IT (1) IT1104578B (en)
SE (1) SE7812591L (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006058744A1 (en) * 2004-12-02 2006-06-08 Diehl Metall Stiftung & Co. Kg Use of a copper-zinc alloy
CN1295366C (en) * 2003-12-16 2007-01-17 陈昭威 Novel material for making electric locomotive pantograph slides
CN101331241B (en) * 2005-12-13 2012-08-29 迪尔金属合作两合公司 Copper-zinc alloy and synchronizing ring produced therefrom
US20130058605A1 (en) * 2010-05-21 2013-03-07 Oiles Corpolation High-strength brass alloy for sliding member, and sliding member

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3427740A1 (en) * 1984-07-27 1986-02-06 Diehl GmbH & Co, 8500 Nürnberg BRASS ALLOY, MANUFACTURING METHOD AND USE
DE19548124C2 (en) * 1995-12-21 2002-08-29 Euroflamm Gmbh Friction body and method for producing such

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1295366C (en) * 2003-12-16 2007-01-17 陈昭威 Novel material for making electric locomotive pantograph slides
WO2006058744A1 (en) * 2004-12-02 2006-06-08 Diehl Metall Stiftung & Co. Kg Use of a copper-zinc alloy
US8435361B2 (en) 2004-12-02 2013-05-07 Diehl Metall Stiftung & Co. Kg Copper-zinc alloy for a valve guide
CN101331241B (en) * 2005-12-13 2012-08-29 迪尔金属合作两合公司 Copper-zinc alloy and synchronizing ring produced therefrom
US20130058605A1 (en) * 2010-05-21 2013-03-07 Oiles Corpolation High-strength brass alloy for sliding member, and sliding member
US8950941B2 (en) * 2010-05-21 2015-02-10 Oiles Corporation High-strength brass alloy for sliding member, and sliding member
US9568047B2 (en) 2010-05-21 2017-02-14 Oiles Corporation High-strength brass alloy for sliding member, and sliding member

Also Published As

Publication number Publication date
ES475937A1 (en) 1979-04-16
IT1104578B (en) 1985-10-21
FR2411895A1 (en) 1979-07-13
SE7812591L (en) 1979-06-17
IT7830826A0 (en) 1978-12-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)