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RU2665650C1 - Jewelry alloy - Google Patents

Jewelry alloy Download PDF

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Publication number
RU2665650C1
RU2665650C1 RU2017132658A RU2017132658A RU2665650C1 RU 2665650 C1 RU2665650 C1 RU 2665650C1 RU 2017132658 A RU2017132658 A RU 2017132658A RU 2017132658 A RU2017132658 A RU 2017132658A RU 2665650 C1 RU2665650 C1 RU 2665650C1
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RU
Russia
Prior art keywords
alloy
jewelry
gold
indium
aluminum
Prior art date
Application number
RU2017132658A
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Russian (ru)
Inventor
Юлия Алексеевна Щепочкина
Original Assignee
Юлия Алексеевна Щепочкина
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Publication date
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Priority to RU2017132658A priority Critical patent/RU2665650C1/en
Application granted granted Critical
Publication of RU2665650C1 publication Critical patent/RU2665650C1/en

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C5/00Alloys based on noble metals
    • C22C5/02Alloys based on gold

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)

Abstract

FIELD: metallurgy.SUBSTANCE: invention relates to metallurgy, namely to compositions of alloys, which can be used in jewelry. Jewelry alloy contains, wt. %: gold 72.0–72.5; aluminium 0.5–1.0; indium 26.5–27.5.EFFECT: technical result of the invention is reduced oxidation of the alloy in air.1 cl, 1 tbl

Description

Изобретение относится к области металлургии, а именно к составам сплавов, которые могут быть использованы в ювелирном деле.The invention relates to the field of metallurgy, and in particular to alloy compositions that can be used in jewelry.

Известен сплав, содержащий, мас. %: золото 75,0; алюминий 0,5-2,1; дополнительный металл 20,0-25,0 [1].Known alloy containing, by weight. %: gold 75.0; aluminum 0.5-2.1; additional metal 20.0-25.0 [1].

Задачей изобретения является снижение окисления сплава на воздухе.The objective of the invention is to reduce the oxidation of the alloy in air.

Технический результат достигается тем, что ювелирный сплав, содержащий золото, алюминий, дополнительный металл, в качестве дополнительного металла включает индий, причем компоненты находятся при следующем соотношении, мас. %: золото 72,0-72,5; алюминий 0,5-1,0; индий 26,5-27,5.The technical result is achieved by the fact that a jewelry alloy containing gold, aluminum, an additional metal includes indium as an additional metal, the components being in the following ratio, wt. %: gold 72.0-72.5; aluminum 0.5-1.0; indium 26.5-27.5.

В таблице приведены составы ювелирного сплава.The table shows the composition of the jewelry alloy.

Figure 00000001
Figure 00000001

Известный сплав на основе золота [1], содержащий алюминий не устойчив к окислению на воздухе. Введение в состав такого сплава индия препятствуют его окислению на воздухе.Known gold-based alloy [1] containing aluminum is not resistant to oxidation in air. The introduction of indium into the composition of such an alloy prevents its oxidation in air.

Сплав выплавляют в электропечах. В разогретый тигель вводят золото, алюминий и индий, расплавляют их и перемешивают. Разливку сплава производят в стальную изложницу.The alloy is smelted in electric furnaces. Gold, aluminum and indium are introduced into the heated crucible, melt them and mix. The alloy is cast in a steel mold.

Источник информацииThe source of information

1. US 20130153097, 2013.1. US 20130153097, 2013.

Claims (1)

Ювелирный сплав, содержащий золото и алюминий, отличающийся тем, что он дополнительного содержит индий при следующем соотношении, мас. %: золото 72,0-72,5; алюминий 0,5-1,0; индий 26,5-27,5.Jewelry alloy containing gold and aluminum, characterized in that it additionally contains indium in the following ratio, wt. %: gold 72.0-72.5; aluminum 0.5-1.0; indium 26.5-27.5.
RU2017132658A 2017-09-18 2017-09-18 Jewelry alloy RU2665650C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2017132658A RU2665650C1 (en) 2017-09-18 2017-09-18 Jewelry alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2017132658A RU2665650C1 (en) 2017-09-18 2017-09-18 Jewelry alloy

Publications (1)

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RU2665650C1 true RU2665650C1 (en) 2018-09-03

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6431591A (en) * 1987-07-27 1989-02-01 Mitsubishi Heavy Ind Ltd Gold filler metal for brazing
US6929776B1 (en) * 1999-02-02 2005-08-16 Innomart Pte Ltd. Jewelry alloy compositions
JP2009114528A (en) * 2007-11-08 2009-05-28 Desk 21:Kk Colored gold alloy and production method therefor
US20130153097A1 (en) * 2010-06-30 2013-06-20 The Swatch Group Research And Development Ltd. Gold alloy with improved hardness

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6431591A (en) * 1987-07-27 1989-02-01 Mitsubishi Heavy Ind Ltd Gold filler metal for brazing
US6929776B1 (en) * 1999-02-02 2005-08-16 Innomart Pte Ltd. Jewelry alloy compositions
JP2009114528A (en) * 2007-11-08 2009-05-28 Desk 21:Kk Colored gold alloy and production method therefor
US20130153097A1 (en) * 2010-06-30 2013-06-20 The Swatch Group Research And Development Ltd. Gold alloy with improved hardness

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