EP2829622A3 - Alloy for investment casting - Google Patents

Alloy for investment casting Download PDF

Info

Publication number
EP2829622A3
EP2829622A3 EP14179499.0A EP14179499A EP2829622A3 EP 2829622 A3 EP2829622 A3 EP 2829622A3 EP 14179499 A EP14179499 A EP 14179499A EP 2829622 A3 EP2829622 A3 EP 2829622A3
Authority
EP
European Patent Office
Prior art keywords
alloy
investment casting
incorporation
absence
silicon
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
EP14179499.0A
Other languages
German (de)
French (fr)
Other versions
EP2829622B1 (en
EP2829622A2 (en
Inventor
Peter Gamon Johns
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.)
Argentium International Ltd
Original Assignee
Argentium International Ltd
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 Argentium International Ltd filed Critical Argentium International Ltd
Publication of EP2829622A2 publication Critical patent/EP2829622A2/en
Publication of EP2829622A3 publication Critical patent/EP2829622A3/en
Application granted granted Critical
Publication of EP2829622B1 publication Critical patent/EP2829622B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/06—Alloys based on silver
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/06—Alloys based on silver
    • C22C5/08—Alloys based on silver with copper as the next major constituent
    • 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
    • C22C1/02—Making non-ferrous alloys by melting
    • 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
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/03—Making non-ferrous alloys by melting using master alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

In an Ag, Cu, Ge alloy containing boron as grain refiner, investment castings of a clean bright silvery appearance and/or free from cracking defects are obtained by incorporation of silicon, in some embodiments in the absence of added zinc.
EP14179499.0A 2010-11-11 2011-11-08 Alloy for investment casting Active EP2829622B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1019071.8A GB2485374B (en) 2010-11-11 2010-11-11 Alloy for investment casting
EP11188291.6A EP2453028B1 (en) 2010-11-11 2011-11-08 Use of an Alloy in Investment Casting

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP11188291.6A Division EP2453028B1 (en) 2010-11-11 2011-11-08 Use of an Alloy in Investment Casting

Publications (3)

Publication Number Publication Date
EP2829622A2 EP2829622A2 (en) 2015-01-28
EP2829622A3 true EP2829622A3 (en) 2015-05-27
EP2829622B1 EP2829622B1 (en) 2018-08-15

Family

ID=43431295

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14179499.0A Active EP2829622B1 (en) 2010-11-11 2011-11-08 Alloy for investment casting
EP11188291.6A Not-in-force EP2453028B1 (en) 2010-11-11 2011-11-08 Use of an Alloy in Investment Casting

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11188291.6A Not-in-force EP2453028B1 (en) 2010-11-11 2011-11-08 Use of an Alloy in Investment Casting

Country Status (3)

Country Link
EP (2) EP2829622B1 (en)
ES (1) ES2697223T3 (en)
GB (1) GB2485374B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201311114D0 (en) * 2013-06-21 2013-08-07 Argentium Internat Ltd Silver alloy compositions and processes
WO2016134787A1 (en) * 2015-02-27 2016-09-01 Ögussa Österreichische Gold- Und Silber-Scheideanstalt Ges.M.B.H. Silver alloy composition
DE202017103172U1 (en) 2017-05-24 2017-06-29 Niessing Manufaktur GmbH & Co. KG Copper-silver-gold alloy, goldsmith material formed therefrom and goldsmith and jewelery workpiece made therefrom
CN107537974A (en) * 2017-08-01 2018-01-05 安徽霍山科皖特种铸造有限责任公司 A kind of processing method of high temperature resistant anticracking casting
GB202107583D0 (en) 2021-05-27 2021-07-14 Argentium International Ltd Silver alloy production

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060231171A1 (en) * 2005-04-19 2006-10-19 Davis Samuel A Method for adding boron to metal alloys
GB2426250A (en) * 2005-05-20 2006-11-22 Middlesex Silver Co Ltd Silver alloys
GB2428045A (en) * 2005-07-07 2007-01-17 Middlesex Silver Co Ltd Silver-copper-germanium alloy
US20080069722A1 (en) * 2004-06-02 2008-03-20 Middlesex Silver Co. Limited Metal alloy manufacturing
US20080078484A1 (en) * 2004-09-23 2008-04-03 Middlesex Silver Co. Limited Copper-Boron Master Alloy And Its Use In Making Silver-Copper Alloys

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793446A (en) 1986-12-10 1988-12-27 American Standard Inc. Single-cylinder, truck-mounted brake assembly
US5039479A (en) 1990-09-05 1991-08-13 United Precious Metal Refining Co., Inc. Silver alloy compositions, and master alloy compositions therefor
FR2675817B1 (en) 1991-04-29 1993-08-20 Metaleurop Rech NEW TERNARY ALLOY BASED ON SILVER.
EP0752014B1 (en) 1993-11-15 2001-11-21 Apecs Investment Castings Pty. ltd. Silver alloy compositions
US6168071B1 (en) 1994-11-17 2001-01-02 Peter Gamon Johns Method for joining materials together by a diffusion process using silver/germanium alloys and a silver/germanium alloy for use in the method
AUPN060695A0 (en) 1995-01-18 1995-02-09 Apecs Investment Castings Pty Ltd Silver alloy compositions
GB2402399B (en) 2003-06-03 2005-10-12 Cole Paul Gilbert Silver ternary alloy
US9222150B2 (en) * 2004-06-02 2015-12-29 Peter Gamon Johns Process for making finished or semi-finished articles of silver alloy
US7198683B2 (en) * 2004-08-26 2007-04-03 Leach & Garner Company Sterling silver alloy compositions of exceptional and reversible hardness, and enhanced tarnish resistance
CN100999792A (en) * 2006-09-20 2007-07-18 番禺职业技术学院 Anti discolour silver alloy

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080069722A1 (en) * 2004-06-02 2008-03-20 Middlesex Silver Co. Limited Metal alloy manufacturing
US20080078484A1 (en) * 2004-09-23 2008-04-03 Middlesex Silver Co. Limited Copper-Boron Master Alloy And Its Use In Making Silver-Copper Alloys
US20060231171A1 (en) * 2005-04-19 2006-10-19 Davis Samuel A Method for adding boron to metal alloys
GB2426250A (en) * 2005-05-20 2006-11-22 Middlesex Silver Co Ltd Silver alloys
GB2428045A (en) * 2005-07-07 2007-01-17 Middlesex Silver Co Ltd Silver-copper-germanium alloy

Also Published As

Publication number Publication date
EP2453028A1 (en) 2012-05-16
EP2453028B1 (en) 2014-08-06
GB2485374A (en) 2012-05-16
GB2485374B (en) 2013-07-24
EP2829622B1 (en) 2018-08-15
ES2697223T3 (en) 2019-01-22
EP2829622A2 (en) 2015-01-28
GB201019071D0 (en) 2010-12-29

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