JPH04362148A - Gold alloy for ornamentation - Google Patents
Gold alloy for ornamentationInfo
- Publication number
- JPH04362148A JPH04362148A JP16369991A JP16369991A JPH04362148A JP H04362148 A JPH04362148 A JP H04362148A JP 16369991 A JP16369991 A JP 16369991A JP 16369991 A JP16369991 A JP 16369991A JP H04362148 A JPH04362148 A JP H04362148A
- Authority
- JP
- Japan
- Prior art keywords
- gold
- gold alloy
- alloy
- cobalt
- manganese
- 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.)
- Pending
Links
- 229910001020 Au alloy Inorganic materials 0.000 title claims abstract description 81
- 239000003353 gold alloy Substances 0.000 title claims abstract description 81
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 29
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 24
- 229910052737 gold Inorganic materials 0.000 claims abstract description 22
- 239000010931 gold Substances 0.000 claims abstract description 22
- 229910052709 silver Inorganic materials 0.000 claims abstract description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 44
- 229910017052 cobalt Inorganic materials 0.000 claims description 30
- 239000010941 cobalt Substances 0.000 claims description 30
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 30
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 27
- 239000011572 manganese Substances 0.000 claims description 27
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 21
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 20
- 239000004332 silver Substances 0.000 claims description 20
- 239000003984 copper intrauterine device Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 abstract description 21
- 239000000956 alloy Substances 0.000 abstract description 7
- 229910045601 alloy Inorganic materials 0.000 abstract description 7
- 229910002058 ternary alloy Inorganic materials 0.000 abstract description 6
- 229910017944 Ag—Cu Inorganic materials 0.000 abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 20
- 239000010949 copper Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- QOGLYAWBNATGQE-UHFFFAOYSA-N copper;gold;silver Chemical compound [Cu].[Au][Ag] QOGLYAWBNATGQE-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
Landscapes
- Adornments (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】この発明は高硬度、高弾性を有す
る装飾用金合金、特にマンガンとコバルト又はマンガン
とニッケルとを合金の添加元素とした装飾用金合金の提
供に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative gold alloy having high hardness and high elasticity, and particularly to a decorative gold alloy containing manganese and cobalt or manganese and nickel as additive elements.
【０００２】0002
【従来の技術】装飾用の金合金は、典型的には１８Ｋ金
合金等が装飾性、加工性等の面から一般に広く用いられ
ている。しかしながら、この種の１８Ｋ金合金は比較的
柔かく、変形し易い不都合を有すると共に、靭性が低く
、機能性をもった装飾具の成形には稍々難があった。か
ゝる点から、近時白金又はニッケルを添加元素とした金
合金が装飾用金合金として用いられるにいたっている。2. Description of the Related Art Decorative gold alloys, typically 18K gold alloys, are widely used in view of their decorative properties and workability. However, this type of 18K gold alloy has the disadvantage of being relatively soft and easily deformed, and has low toughness, making it somewhat difficult to mold into functional ornaments. From this point of view, gold alloys containing platinum or nickel as an additive element have recently come to be used as decorative gold alloys.
【０００３】0003
【発明が解決しようとする課題】かゝる白金又はニッケ
ルを添加元素とする金合金は、装飾材に要請される硬さ
と充分な弾性とを有する反面、色調が白地基調となる傾
向を示し金合金に特有の色調が喪われる不都合があった
。かゝる点については、金−銀−銅の三元合金に前記の
白金又はニッケル以外の貴金属あるいは卑金属を添加し
て得られる金合金が白地基調の色調となることゝして一
般に認識されている。[Problems to be Solved by the Invention] Although such gold alloys containing platinum or nickel as an additive element have the hardness and sufficient elasticity required for decorative materials, they tend to have a white background color and are There was an inconvenience that the color tone peculiar to the alloy was lost. Regarding this point, it is generally recognized that gold alloys obtained by adding noble metals or base metals other than platinum or nickel to a ternary alloy of gold-silver-copper have a white background color. There is.
【０００４】かゝる装飾用金合金の不都合を解消するた
めに、一般的な手段として、ニッケル又は白金を添加合
金元素として得られた金合金の表面に再度メッキ処理を
施して色調の調整をすることが試みられている。しかし
ながら、かゝるメッキ処理では金合金としての価値を充
分に発揮することができず、装飾具としての価値を著し
く減ずる不都合があった。[0004] In order to eliminate such inconveniences of decorative gold alloys, as a general method, the surface of the gold alloy obtained by adding nickel or platinum as an alloying element is plated again to adjust the color tone. An attempt is being made to do so. However, such plating treatment has the disadvantage that it cannot fully demonstrate its value as a gold alloy, and its value as a decorative tool is significantly reduced.
【０００５】本発明は、かゝる従来の金合金材における
不都合に鑑み、金−銀−銅合金に近い色調を有すると共
に高硬度、且つ高弾性の装飾用金合金材の提供を目的と
している。In view of the disadvantages of conventional gold alloy materials, it is an object of the present invention to provide a decorative gold alloy material that has a color tone similar to that of a gold-silver-copper alloy, has high hardness, and has high elasticity. .
【０００６】[0006]
【課題を解決するための手段】本発明はかゝる目的を達
成するものとして、選択的に添加されるマンガン１〜６
ｗｔ％又はニッケル１〜４ｗｔ％のいずれか一種と、コ
バルト１〜６ｗｔ％とを、１８Ｋ金合金である金７５ｗ
ｔ％、銀５〜８ｗｔ％、銅７〜１２ｗｔ％の添加合金元
素として含めて装飾用金合金としてある。[Means for Solving the Problems] The present invention achieves the above object by adding selectively added manganese 1 to 6.
wt% or 1 to 4 wt% of nickel and 1 to 6 wt% of cobalt to gold 75w, which is an 18K gold alloy.
t%, 5 to 8 wt% of silver, and 7 to 12 wt% of copper as additional alloying elements to form a decorative gold alloy.
【０００７】[0007]
【作用】金−銀−銅の三元合金にコバルト１〜６ｗｔ％
と、マンガン１〜６ｗｔ％又はニッケル１〜４ｗｔ％を
添加合金元素として添加することによって前記三元合金
の色調が維持されると共に合金の靭性と硬さとが増し、
装飾用金合金としてスクラッチに強く、薄板としての強
靭性が保持される。[Action] 1 to 6 wt% cobalt in gold-silver-copper ternary alloy
and by adding 1 to 6 wt% of manganese or 1 to 4 wt% of nickel as an additive alloying element, the color tone of the ternary alloy is maintained and the toughness and hardness of the alloy are increased,
As a decorative gold alloy, it is resistant to scratches and maintains its toughness as a thin plate.
【０００８】[0008]
【実施例】以下、本発明に係る典型的な装飾用金合金に
ついて詳細に説明する。本発明に係る第１の装飾用金合
金は金７５ｗｔ％、銀５〜８ｗｔ％、銅７〜１ ２ｗｔ
％と、コバルト１〜６ｗｔ％、マンガン１〜６ｗｔ％の
範囲で添加されてなる合金である。EXAMPLES A typical decorative gold alloy according to the present invention will be explained in detail below. The first decorative gold alloy according to the present invention has 75 wt% gold, 5 to 8 wt% silver, and 7 to 12 wt% copper.
%, cobalt in the range of 1 to 6 wt%, and manganese in the range of 1 to 6 wt%.
【０００９】この実施例の装飾用金合金は、時効々果理
論にもとづいて析出基材としてコバルト、マンガンを用
い、時効処理により３００Ｈｖ の高硬度材を得る。更
に、得られた金合金に熱処理を施すことによって硬度並
びに弾性の改良をする。The decorative gold alloy of this example uses cobalt and manganese as precipitation base materials based on the aging theory, and is aged to obtain a material with a high hardness of 300 Hv. Furthermore, the obtained gold alloy is heat treated to improve its hardness and elasticity.
【００１０】この実施例で、金７５ｗｔ％、銀５〜８ｗ
ｔ％、銅７〜１２ｗｔ％、コバルト１〜６ｗｔ％、マン
ガン１〜６ｗｔ％の配合率のいずれでも１８Ｋ金合金に
近い色調を有しながら高硬度且つ高弾性の金合金を得る
ことができるが、金７５ｗｔ％、６〜８ｗｔ％、銅１０
〜１２ｗｔ％、コバルト１〜６ｗｔ％、マンガン１〜６
ｗｔ％の比率が色調の点からより好ましい金合金となる
ことが認められる。[0010] In this example, gold 75wt%, silver 5~8w
It is possible to obtain a gold alloy with high hardness and high elasticity while having a color tone close to that of an 18K gold alloy at any blending ratio of 7 to 12 wt% copper, 1 to 6 wt% cobalt, and 1 to 6 wt% manganese. , gold 75wt%, 6-8wt%, copper 10
~12wt%, cobalt 1-6wt%, manganese 1-6
It is recognized that the ratio of wt% results in a more preferable gold alloy from the viewpoint of color tone.
【００１１】次いで典型的な実施例と、硬度との関係を
明らかにする。
実施例１
金７５ｗｔ％、銀８ｗｔ％、銅１０ｗｔ％、コバルト１
．４ ｗｔ％、マンガン５．６ ｗｔ％からなる金合金
を得た。こゝで得られた金合金は３００Ｈｖ の硬度を
有し高い靭性を有していた。
又、得られた金合金は１８Ｋ金合金に近い赤味のある色
調を有し、この１８Ｋ金合金と比較しても何等の遜色が
無かった。Next, typical examples and their relationship with hardness will be explained. Example 1 Gold 75wt%, silver 8wt%, copper 10wt%, cobalt 1
．． A gold alloy containing 4 wt% of manganese and 5.6 wt% of manganese was obtained. The gold alloy thus obtained had a hardness of 300 Hv and high toughness. Further, the obtained gold alloy had a reddish color tone similar to that of 18K gold alloy, and was not inferior in any way when compared with this 18K gold alloy.
【００１２】実施例２
金７５ｗｔ％、銀８ｗｔ％、銅１０ｗｔ％、コバルト３
．５ ｗｔ％、マンガン３．５ ｗｔ％からなる金合金
を得た。こゝで得られた金合金は靭性が稍々少ないもの
ゝ３００Ｈｖ の硬度を有し、１８Ｋ金合金に近い色調
を有しており実用に充分に用いることができた。Example 2 Gold 75wt%, silver 8wt%, copper 10wt%, cobalt 3
．． A gold alloy containing 5 wt% of manganese and 3.5 wt% of manganese was obtained. The gold alloy thus obtained had a hardness of 300 Hv, although its toughness was somewhat low, and had a color tone close to that of 18K gold alloy, so it could be used satisfactorily for practical use.
【００１３】実施例３
金７５ｗｔ％、銀８ｗｔ％、銅１０ｗｔ％、コバルト５
．６ ｗｔ％、マンガン１．４ ｗｔ％からなる金合金
を得た。こゝで得られた金合金は靭性が稍々少ないもの
ゝ３００Ｈｖ の硬度を有し、１８Ｋ金合金と似た色調
を有しており実用に充分用いることができた。。Example 3 Gold 75wt%, silver 8wt%, copper 10wt%, cobalt 5
．． A gold alloy containing 6 wt% of manganese and 1.4 wt% of manganese was obtained. The gold alloy thus obtained had a hardness of 300 Hv, although its toughness was somewhat low, and had a color tone similar to that of an 18K gold alloy, so it could be used satisfactorily for practical use. .
【００１４】比較例１
金７５ｗｔ％、銀１２．５ｗｔ％、銅１２．５ｗｔ％の
三元合金の鋳放し硬度は１４０Ｈｖ 、加工硬度は１８
０ 〜２００Ｈｖ であり、硬度及び靭性に難があった
。Comparative Example 1 The as-cast hardness of a ternary alloy of 75 wt% gold, 12.5 wt% silver, and 12.5 wt% copper was 140 Hv, and the working hardness was 18
0 to 200 Hv, and the hardness and toughness were poor.
【００１５】比較例２
金７５ｗｔ％、銀８ｗｔ％、銅１２ｗｔ％、コバルト４
．５ ｗｔ％、マンガン０．５ ｗｔ％からなる金合金
を得た。こゝで得られた金合金は色調も良く充分な硬度
を有するものゝ、得られた合金の靭性が少なく、装飾用
金合金に適していなかった。Comparative Example 2 Gold 75wt%, silver 8wt%, copper 12wt%, cobalt 4
．． A gold alloy containing 5 wt% of manganese and 0.5 wt% of manganese was obtained. Although the gold alloy obtained here had good color and sufficient hardness, the obtained alloy had low toughness and was not suitable as a decorative gold alloy.
【００１６】比較例３
金７５ｗｔ％、銀８ｗｔ％、銅８ｗｔ％、コバルト０．
５ ｗｔ％、マンガン８．５ ｗｔ％からなる金合金を
得た。こゝで得られた金合金は充分な硬度と靭性とを有
するものゝ、色調に難があり、１８Ｋ金合金特有の色調
を有していなかった。Comparative Example 3 Gold: 75 wt%, silver: 8 wt%, copper: 8 wt%, cobalt: 0.
A gold alloy containing 5 wt% of manganese and 8.5 wt% of manganese was obtained. Although the gold alloy thus obtained had sufficient hardness and toughness, it had poor color tone and did not have the color tone characteristic of 18K gold alloy.
【００１７】比較例４
金７５ｗｔ％、銀８ｗｔ％、銅１２ｗｔ％、コバルト０
．５ ｗｔ％、マンガン４．５ ｗｔ％からなる金合金
を得た。こゝで得られた金合金は強い赤味を呈し、１８
Ｋ金合金に近い色調を示したが装飾材として要請される
充分な硬さを有していなかった。Comparative Example 4 Gold 75wt%, silver 8wt%, copper 12wt%, cobalt 0
．． A gold alloy containing 5 wt% of manganese and 4.5 wt% of manganese was obtained. The gold alloy obtained here has a strong reddish color and is 18
Although it exhibited a color tone similar to K gold alloy, it did not have sufficient hardness required as a decorative material.
【００１８】以上の実施例と比較例とから、金７５ｗｔ
％、銀５〜８ｗｔ％、銅７〜１２ｗｔ％に対しコバルト
１〜６ｗｔ％、マンガン１〜６ｗｔ％添加して金合金を
得ることが望ましく、マンガンの添加量の少ない場合、
得られる金合金の靭性に難があり、又コバルトの添加量
の少ない場合、得られる金合金に充分な硬さがもたらさ
れない不都合が認められる。又、マンガンとコバルトと
の添加量が６ｗｔ％以上である場合、得られた金合金の
加工性と色調に難を生ずることが認められる。From the above examples and comparative examples, it is clear that 75wt of gold
It is desirable to obtain a gold alloy by adding 1 to 6 wt% of cobalt and 1 to 6 wt% of manganese to 5 to 8 wt% of silver and 7 to 12 wt% of copper, and when the amount of manganese added is small,
The toughness of the obtained gold alloy is poor, and when the amount of cobalt added is small, there are disadvantages in that the obtained gold alloy does not have sufficient hardness. Moreover, when the amount of manganese and cobalt added is 6 wt% or more, it is recognized that the processability and color tone of the obtained gold alloy are impaired.
【００１９】かゝる点から金７５ｗｔ％、銀５〜８ｗｔ
％、銅７〜１２ｗｔ％に、マンガンを１〜６ｗｔ％の範
囲で添加して金合金を得るのが望ましい。[0019] From this point, gold is 75 wt% and silver is 5 to 8 wt%.
%, it is desirable to obtain a gold alloy by adding manganese in the range of 1 to 6 wt% to 7 to 12 wt% of copper.
【００２０】次いで第２の装飾用金合金について説明す
る。この第２の装飾用金合金は、金７５ｗｔ％、銀５〜
８ｗｔ％、銅７〜１２ｗｔ％、コバルト１〜６ｗｔ％、
ニッケル１〜４ｗｔ％からなるものであるNext, the second decorative gold alloy will be explained. This second decorative gold alloy contains 75 wt% gold and 5 to 5 wt% silver.
8wt%, copper 7-12wt%, cobalt 1-6wt%,
It consists of 1 to 4 wt% nickel.
【００２１】このコバルトとニッケルとを合金の添加元
素とする金合金は、先のコバルトとマンガンとを合金の
添加元素とする金合金に比較して更に高い硬度と靭性と
を有する反面、色調が稍々白っぽい傾向を示している。
特にコバルト、ニッケルの添加量を増した場合に、かゝ
る色調特性が顕著に生ずることから、コバルトは６ｗｔ
％未満、ニッケルは４ｗｔ％未満に添加量を抑制する必
要がある。This gold alloy containing cobalt and nickel as additive elements has higher hardness and toughness than the gold alloy containing cobalt and manganese as additive elements, but has a poor color tone. It shows a slightly whitish tendency. In particular, when the amount of cobalt and nickel added is increased, such color tone characteristics are noticeable, so cobalt is 6wt.
%, and the amount of nickel added needs to be suppressed to less than 4 wt%.
【００２２】実施例４
金７５ｗｔ％、銀８ｗｔ％、銅１１ｗｔ％、コバルト５
ｗｔ％、ニッケル１ｗｔ％からなる金合金を得た。こゝ
で得られた金合金は３２７．４Ｈｖ の硬度を有し、や
ゝ白味を帯びた１８Ｋ金合金の色調を有していた。Example 4 Gold 75wt%, silver 8wt%, copper 11wt%, cobalt 5
A gold alloy containing 1 wt% of nickel and 1 wt% of nickel was obtained. The gold alloy thus obtained had a hardness of 327.4 Hv and a slightly whitish color of 18K gold alloy.
【００２３】実施例５
金７５ｗｔ％、銀８ｗｔ％、銅１０．２ｗｔ％、コバル
ト６ｗｔ％、ニッケル１ｗｔ％からなる金合金を得た。
こゝで得られた金合金は３１４Ｈｖ の硬度を有し、白
基調ながら１８Ｋ金合金特有の色調を有していた。Example 5 A gold alloy consisting of 75 wt% gold, 8 wt% silver, 10.2 wt% copper, 6 wt% cobalt, and 1 wt% nickel was obtained. The gold alloy thus obtained had a hardness of 314 Hv, and although it was white in color, it had a color characteristic of 18K gold alloy.
【００２４】実施例６
金７５ｗｔ％、銀７ｗｔ％、銅１１．２ｗｔ％、コバル
ト６ｗｔ％、ニッケル１ｗｔ％からなる金合金を得た。
こゝで得られた金合金は３１４Ｈｖ の硬度を有し、僅
かに白味を帯びた１８Ｋ金合金特有の色調を有していた
。Example 6 A gold alloy consisting of 75 wt% gold, 7 wt% silver, 11.2 wt% copper, 6 wt% cobalt, and 1 wt% nickel was obtained. The gold alloy thus obtained had a hardness of 314 Hv and a slightly whitish color characteristic of 18K gold alloy.
【００２５】実施例７
金７５ｗｔ％、銀５ｗｔ％、銅１２ｗｔ％、コバルト４
ｗｔ％、ニッケル４ｗｔ％からなる金合金を得た。こゝ
で得られた金合金は３８０Ｈｖ の硬度を有し、僅かに
白基調を残した１８Ｋ金合金特有の色調を有していた。Example 7 Gold 75wt%, silver 5wt%, copper 12wt%, cobalt 4
A gold alloy containing 4 wt% of nickel and 4 wt% of nickel was obtained. The gold alloy thus obtained had a hardness of 380 Hv and a color tone characteristic of 18K gold alloy with a slight white tone.
【００２６】比較例５
金７５ｗｔ％、銀７ｗｔ％、銅８ｗｔ％、コバルト５ｗ
ｔ％、ニッケル５ｗｔ％からなる金合金を得た。こゝで
得られた金合金は充分な硬さと靭性を有する反面、色調
が特に白く、１８Ｋ金合金の趣きが全く見受けられず加
工性にも難があった。Comparative Example 5 Gold 75wt%, silver 7wt%, copper 8wt%, cobalt 5w
A gold alloy containing 5 wt% of nickel and 5 wt% of nickel was obtained. Although the gold alloy thus obtained had sufficient hardness and toughness, it was particularly white in color, had no appearance of 18K gold alloy, and had difficulty in workability.
【００２７】比較例６
金７５ｗｔ％、銀８ｗｔ％、銅１１．５ｗｔ％、コバル
ト５ｗｔ％、ニッケル０．５ｗｔ ％からなる金合金を
得た。こゝで得られた金合金は１８Ｋ金合金に近い色調
を有しているものゝ、硬度、靭性に難が認められた。Comparative Example 6 A gold alloy consisting of 75 wt% gold, 8 wt% silver, 11.5 wt% copper, 5 wt% cobalt, and 0.5 wt% nickel was obtained. The gold alloy thus obtained had a color tone similar to that of 18K gold alloy, but it was found to have poor hardness and toughness.
【００２８】[0028]
【発明の効果】本発明に係る金合金は１８Ｋ金合金に対
しコバルト１〜６ｗｔ％とマンガン１〜６ｗｔ％とを添
加し、又はコバルト１〜６ｗｔ％とニッケル１〜４ｗｔ
％とを添加することで得られる高硬度、高弾性で、しか
も１８Ｋ金合金に特有の色調を損うことのない装飾材向
きの金合金を提供できる特長を有している。即ち、金−
銀−銅の三元合金の有する色調を維持しながら、硬さと
弾性とを高め、スクラッチに強く、薄板として強靭性を
有する機能性の高い装飾用金合金となし得る特長を有し
ている。かゝる点から金合金による各種の止金具類の作
成並びに、スプリング材等の作成を可能とし、プレス材
、時計用材等として多方面に用い得る金合金とされる特
長を有している。Effects of the Invention The gold alloy according to the present invention is made by adding 1 to 6 wt% of cobalt and 1 to 6 wt% of manganese to the 18K gold alloy, or adding 1 to 6 wt% of cobalt and 1 to 4 wt% of nickel.
%, it has the advantage of providing a gold alloy suitable for decorative materials that has high hardness and high elasticity and does not impair the color tone characteristic of 18K gold alloy. That is, gold-
While maintaining the color tone of the silver-copper ternary alloy, it has the characteristics of increasing hardness and elasticity, being resistant to scratches, and being tough as a thin plate, making it a highly functional decorative gold alloy. From this point of view, gold alloys can be used to make various types of fasteners, spring materials, etc., and have the characteristics of gold alloys that can be used in a variety of ways, such as press materials and watch materials.
Claims (1)
〜１２ｗｔ％、コバルト１〜６ｗｔ％と、マンガン１〜
６ｗｔ％又はニッケル１〜４ｗｔ％の一種とよりなるこ
とを特徴とする装飾用金合金。[Claim 1] Gold 75wt%, silver 5-8wt%, copper 7%
~12wt%, cobalt 1-6wt%, and manganese 1~
A decorative gold alloy comprising 6 wt% or 1 to 4 wt% of nickel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16369991A JPH04362148A (en) | 1991-06-07 | 1991-06-07 | Gold alloy for ornamentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16369991A JPH04362148A (en) | 1991-06-07 | 1991-06-07 | Gold alloy for ornamentation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04362148A true JPH04362148A (en) | 1992-12-15 |
Family
ID=15778936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16369991A Pending JPH04362148A (en) | 1991-06-07 | 1991-06-07 | Gold alloy for ornamentation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04362148A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001335861A (en) * | 2000-05-26 | 2001-12-04 | Tokuriki Honten Co Ltd | Gold alloy for ornament |
| US6576187B2 (en) * | 2000-10-06 | 2003-06-10 | Cookson Metaux Precieux Sa | 18 carat grey gold alloy, without nickel and without palladium, for jewellery |
| CN115109962A (en) * | 2022-06-24 | 2022-09-27 | 有研工程技术研究院有限公司 | Wear-resistant high-hardness gold-based alloy material for collector ring and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63259042A (en) * | 1987-04-15 | 1988-10-26 | Ijima Kingin Kogyo Kk | Gold alloy having excellent abrasion resistance and toughness |
-
1991
- 1991-06-07 JP JP16369991A patent/JPH04362148A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63259042A (en) * | 1987-04-15 | 1988-10-26 | Ijima Kingin Kogyo Kk | Gold alloy having excellent abrasion resistance and toughness |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001335861A (en) * | 2000-05-26 | 2001-12-04 | Tokuriki Honten Co Ltd | Gold alloy for ornament |
| US6576187B2 (en) * | 2000-10-06 | 2003-06-10 | Cookson Metaux Precieux Sa | 18 carat grey gold alloy, without nickel and without palladium, for jewellery |
| CN115109962A (en) * | 2022-06-24 | 2022-09-27 | 有研工程技术研究院有限公司 | Wear-resistant high-hardness gold-based alloy material for collector ring and preparation method thereof |
| CN115109962B (en) * | 2022-06-24 | 2023-10-13 | 有研工程技术研究院有限公司 | Wear-resistant high-hardness gold-based alloy material for bus ring and preparation method thereof |
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