EP1227166A1 - Alliage d'or gris - Google Patents
Alliage d'or gris Download PDFInfo
- Publication number
- EP1227166A1 EP1227166A1 EP01810074A EP01810074A EP1227166A1 EP 1227166 A1 EP1227166 A1 EP 1227166A1 EP 01810074 A EP01810074 A EP 01810074A EP 01810074 A EP01810074 A EP 01810074A EP 1227166 A1 EP1227166 A1 EP 1227166A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alloy
- gold alloy
- weight
- alloys
- gold
- 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
Links
Classifications
-
- 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
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
- A44C27/002—Metallic materials
- A44C27/003—Metallic alloys
-
- 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
- C22C5/02—Alloys based on gold
Definitions
- the present invention relates to a gold alloy gray nickel free, cobalt free, iron free and silver free.
- the object of the present invention is not only to reduce or even eliminate Pd, but also reduce Mn without adding any other whitening element, but increasing the copper.
- the object of the present invention is a gray gold alloy as defined in claim 1.
- Such an alloy therefore meets all the criteria required in the field of watchmaking and jewelry in particular as well with regard to the criteria technical, metallurgical as economic.
- the alloys according to the invention are prepared in the following conditions:
- the main elements entering into the composition of the alloy have a purity of 999.9 ⁇ and are deoxidized.
- the alloy is obtained by fusion of the elements which make up in a graphite crucible.
- the heating is obtained by induction in a sealed oven under partial pressure nitrogen.
- the molten alloy is then poured into a graphite ingot mold. After solidification, the ingot is unmolded, taken out of the waterproof enclosure to be quickly cooled by water quenching.
- the alloy thus obtained is then cold rolled.
- the work hardening rate between each annealing is 75 to 80%.
- the alloy is annealed for .. minutes under a reducing atmosphere (20% H 2 - 80% N 2 ).
- the anneals are carried out at a temperature of 700 ° C. Cooling is carried out by water quenching.
- the presence of zinc improves the flowability of the alloy.
- the following table shows the different properties of the alloys obtained according to the above examples.
- This table gives in particular the indications relating to the hardness of the alloy in the molded annealed and hardened state, as well as to the color measured in a coordinate system with three axes.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Adornments (AREA)
- Conductive Materials (AREA)
- Contacts (AREA)
- Laminated Bodies (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
Claims (5)
- Alliage d'or gris sans nickel, sans cobalt, sans fer et sans argent, caractérisé en ce qu'il comporte, exprimé en poids, entre Au 75-76%, Cu ≥ 17%, Mn < 7%, Pd 0-5%, Zn ≤ 2%.
- Alliage d'or gris selon la revendication 1, caractérisé en ce qu'il comporte au plus 5% Mn en poids.
- Alliage d'or gris selon l'une des revendications précédente, caractérisé en ce qu'il comporte, exprimé en poids, Si < 0,5%.
- Alliage d'or gris selon l'une des revendications précédentes, caractérisé en ce qu'il comporte, exprimé en poids, au moins un des éléments Ti < 0,3%, Ta < 0,3%.
- Alliage d'or gris selon l'une des revendications précédentes, caractérisé en ce qu'il comporte 0% Pd en poids et au plus 2% Pt.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01810074T ATE466115T1 (de) | 2001-01-26 | 2001-01-26 | Graue goldlegierung |
DE60141941T DE60141941D1 (de) | 2001-01-26 | 2001-01-26 | Graue Goldlegierung |
EP01810074A EP1227166B1 (fr) | 2001-01-26 | 2001-01-26 | Alliage d'or gris |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01810074A EP1227166B1 (fr) | 2001-01-26 | 2001-01-26 | Alliage d'or gris |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1227166A1 true EP1227166A1 (fr) | 2002-07-31 |
EP1227166B1 EP1227166B1 (fr) | 2010-04-28 |
Family
ID=8183695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01810074A Expired - Lifetime EP1227166B1 (fr) | 2001-01-26 | 2001-01-26 | Alliage d'or gris |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1227166B1 (fr) |
AT (1) | ATE466115T1 (fr) |
DE (1) | DE60141941D1 (fr) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6576187B2 (en) * | 2000-10-06 | 2003-06-10 | Cookson Metaux Precieux Sa | 18 carat grey gold alloy, without nickel and without palladium, for jewellery |
WO2004072310A2 (fr) * | 2003-02-11 | 2004-08-26 | Metalor Technologies International Sa | Alliage d'or |
JP2005120465A (ja) * | 2003-09-04 | 2005-05-12 | Rolex Sa | 耐変色性時計又は貴金属装飾部品 |
EP2135972A1 (fr) * | 2007-03-02 | 2009-12-23 | Citizen Tohoku Co., Ltd. | Revêtement d'alliage d'or, stratifié de gaine de revêtement d'alliage d'or et élément de gaine de revêtement d'alliage d'or. |
EP2251444A1 (fr) | 2009-05-06 | 2010-11-17 | Rolex Sa | Alliage d'or gris sans nickel et sans cuivre |
WO2014087216A1 (fr) * | 2012-12-03 | 2014-06-12 | Argor-Heraeus Sa | Alliage d'or résistant à la décoloration |
CN104032273A (zh) * | 2014-06-09 | 2014-09-10 | 励福实业(江门)贵金属有限公司 | 抗变色玫瑰金靶材及其制备方法 |
EP3070182A1 (fr) | 2015-03-17 | 2016-09-21 | The Swatch Group Research and Development Ltd. | Alliage d'or gris |
EP3339455A1 (fr) | 2016-12-20 | 2018-06-27 | Montres Breguet S.A. | Alliage d'or gris |
WO2020020528A1 (fr) | 2018-07-26 | 2020-01-30 | Px Services Sa | Alliage à base d'or présentant un changement de couleur et son utilisation dans le domaine de la joaillerie et de l'horlogerie |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202200009575A1 (it) * | 2022-05-10 | 2023-11-10 | Metaltech S R L | Lega madre per la realizzazione di leghe di un metallo prezioso e lega di oro bianco |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2764906A1 (fr) * | 1997-06-18 | 1998-12-24 | Engelhard Clal Sas | Alliages d'or gris 18 et 14 carats pour bijouterie, sans nickel et sans palladium |
RU2135618C1 (ru) * | 1998-08-10 | 1999-08-27 | Открытое акционерное общество "Екатеринбургский завод по обработке цветных металлов" | Сплав белого золота |
JPH11323461A (ja) * | 1998-05-08 | 1999-11-26 | Tokuriki Honten Co Ltd | ホワイトゴールド |
EP1010768A1 (fr) * | 1998-12-14 | 2000-06-21 | Metaux Precieux Sa Metalor | Alliage d'or gris sans nickel |
-
2001
- 2001-01-26 AT AT01810074T patent/ATE466115T1/de not_active IP Right Cessation
- 2001-01-26 DE DE60141941T patent/DE60141941D1/de not_active Expired - Lifetime
- 2001-01-26 EP EP01810074A patent/EP1227166B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2764906A1 (fr) * | 1997-06-18 | 1998-12-24 | Engelhard Clal Sas | Alliages d'or gris 18 et 14 carats pour bijouterie, sans nickel et sans palladium |
JPH11323461A (ja) * | 1998-05-08 | 1999-11-26 | Tokuriki Honten Co Ltd | ホワイトゴールド |
RU2135618C1 (ru) * | 1998-08-10 | 1999-08-27 | Открытое акционерное общество "Екатеринбургский завод по обработке цветных металлов" | Сплав белого золота |
EP1010768A1 (fr) * | 1998-12-14 | 2000-06-21 | Metaux Precieux Sa Metalor | Alliage d'or gris sans nickel |
Non-Patent Citations (2)
Title |
---|
DATABASE WPI Section Ch Week 200034, Derwent World Patents Index; Class M26, AN 2000-398342, XP002161414 * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 02 29 February 2000 (2000-02-29) * |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6576187B2 (en) * | 2000-10-06 | 2003-06-10 | Cookson Metaux Precieux Sa | 18 carat grey gold alloy, without nickel and without palladium, for jewellery |
WO2004072310A2 (fr) * | 2003-02-11 | 2004-08-26 | Metalor Technologies International Sa | Alliage d'or |
WO2004072310A3 (fr) * | 2003-02-11 | 2004-10-14 | Metalor Technologies Int | Alliage d'or |
JP2005120465A (ja) * | 2003-09-04 | 2005-05-12 | Rolex Sa | 耐変色性時計又は貴金属装飾部品 |
US7311876B2 (en) | 2003-09-04 | 2007-12-25 | Rolex S.A. | Discoloration-resistant timepiece or jewelry part |
EP2135972A1 (fr) * | 2007-03-02 | 2009-12-23 | Citizen Tohoku Co., Ltd. | Revêtement d'alliage d'or, stratifié de gaine de revêtement d'alliage d'or et élément de gaine de revêtement d'alliage d'or. |
EP2135972A4 (fr) * | 2007-03-02 | 2011-08-24 | Citizen Tohoku Co Ltd | Revêtement d'alliage d'or, stratifié de gaine de revêtement d'alliage d'or et élément de gaine de revêtement d'alliage d'or. |
US9650697B2 (en) | 2009-05-06 | 2017-05-16 | Rolex Sa | Gray gold alloy free of nickel and copper |
EP2251444A1 (fr) | 2009-05-06 | 2010-11-17 | Rolex Sa | Alliage d'or gris sans nickel et sans cuivre |
EP2450460A1 (fr) | 2009-05-06 | 2012-05-09 | Rolex S.A. | Alliage d'or gris sans nickel et sans cuivre |
EP2450461A1 (fr) | 2009-05-06 | 2012-05-09 | Rolex S.A. | Alliage d'or gris sans nickel et sans cuivre |
WO2014087216A1 (fr) * | 2012-12-03 | 2014-06-12 | Argor-Heraeus Sa | Alliage d'or résistant à la décoloration |
CN105008561A (zh) * | 2012-12-03 | 2015-10-28 | Argor-Heraeus股份有限公司 | 抗褪色的金合金 |
CN105008561B (zh) * | 2012-12-03 | 2018-07-03 | Argor-Heraeus股份有限公司 | 抗褪色的金合金 |
US10030296B2 (en) | 2012-12-03 | 2018-07-24 | Argor-Heraeus Sa | Discoloration-resistant gold alloy |
US10683570B2 (en) | 2012-12-03 | 2020-06-16 | Argor-Heraeus Sa | Discoloration-resistant gold alloy |
CN104032273A (zh) * | 2014-06-09 | 2014-09-10 | 励福实业(江门)贵金属有限公司 | 抗变色玫瑰金靶材及其制备方法 |
EP3070182A1 (fr) | 2015-03-17 | 2016-09-21 | The Swatch Group Research and Development Ltd. | Alliage d'or gris |
EP3339455A1 (fr) | 2016-12-20 | 2018-06-27 | Montres Breguet S.A. | Alliage d'or gris |
US10458002B2 (en) * | 2016-12-20 | 2019-10-29 | Montres Breguet S.A. | Grey gold alloy |
WO2020020528A1 (fr) | 2018-07-26 | 2020-01-30 | Px Services Sa | Alliage à base d'or présentant un changement de couleur et son utilisation dans le domaine de la joaillerie et de l'horlogerie |
CH715203A1 (fr) * | 2018-07-26 | 2020-01-31 | Px Services Sa | Alliage à base d'or présentant un changement de couleur et son utilisation dans le domaine de la joaillerie et de l'horlogerie. |
Also Published As
Publication number | Publication date |
---|---|
EP1227166B1 (fr) | 2010-04-28 |
DE60141941D1 (de) | 2010-06-10 |
ATE466115T1 (de) | 2010-05-15 |
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