JPH02185936A - Gold alloy having carmine color - Google Patents
Gold alloy having carmine colorInfo
- Publication number
- JPH02185936A JPH02185936A JP549189A JP549189A JPH02185936A JP H02185936 A JPH02185936 A JP H02185936A JP 549189 A JP549189 A JP 549189A JP 549189 A JP549189 A JP 549189A JP H02185936 A JPH02185936 A JP H02185936A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- weight
- color
- gold
- gold alloy
- 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
Landscapes
- Adornments (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、貴金属装飾品製造に関連する洋紅色を有する
金合金に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Field of Application> The present invention relates to a gold alloy having a pink color which is relevant for the production of precious metal ornaments.
〈従来の技術〉
従来、純金は、極めて柔らかいので、各種の使用条件に
有った硬さと色調変化を与えるために。<Conventional technology> Conventionally, pure gold was extremely soft, so it was used to provide hardness and color changes that suited various usage conditions.
合金の状態で使用される場合が多く、特に、貴金属装飾
品の分野では、赤色、青色、白色等の色彩を有する金合
金が使用されている。Gold alloys are often used in the form of alloys, and particularly in the field of precious metal ornaments, gold alloys with colors such as red, blue, and white are used.
そして、上記した赤色を有する金合金としては、Ａｕと
２５％のＣ−ｕとからなる赤金と呼ばれるＡｕ −Ｃｕ
系二元合金が用いられている。The above-mentioned gold alloy having a red color is Au-Cu, which is called red gold and consists of Au and 25% Cu.
system binary alloys are used.
〈発明が解決しようとする課題〉
しかし、上記したＡｕ−Ｃｕ系二元合金は、やや暗い赤
色を有するものであり、鮮やかさに欠けていた。従って
、装飾品としてのデザイン上、鮮やかな洋紅色を有する
有色Ａｕ合金の開発が要望されていた。<Problems to be Solved by the Invention> However, the above-mentioned Au-Cu-based binary alloy has a slightly dark red color and lacks brightness. Therefore, there has been a demand for the development of a colored Au alloy having a bright pink color in terms of design as a decorative item.
〈課題を解決するための手段〉
本発明は上記に鑑み提案されたもので、金（Ａｕ）と、
１０〜３０重量％の銅（Ｃｕ）と、５〜２０重量％のア
ルミニウム（Ａｌ）とからなることを特徴とする洋紅色
を有する金合金に関するものであり、必要に応じて５重
量％以下の銀（Ａｇ）若しくは５重量％以下のニッケル
（Ｎｉ）の一種以上を上記構成中に加えた合金としても
よい。<Means for Solving the Problems> The present invention was proposed in view of the above, and consists of gold (Au) and
The present invention relates to a gold alloy having a pink color characterized by comprising 10 to 30% by weight of copper (Cu) and 5 to 20% by weight of aluminum (Al), and if necessary, 5 to 20% by weight of aluminum (Al). An alloy may be used in which one or more of silver (Ag) or nickel (Ni) is added in an amount of 5% by weight or less.
上記した金合金は、上記した各金属単体を真空若しくは
不活性ガス、例えばアルゴンガス雰囲気中においてアー
ク溶解炉、高周波溶解炉等により溶製することにより得
られる。The above-described gold alloys are obtained by melting each of the above-mentioned metals in a vacuum or an inert gas atmosphere, such as an argon gas atmosphere, using an arc melting furnace, a high-frequency melting furnace, or the like.
上記した工程により得られる本発明の金合金は、具体的
には
Ａｕ −Ｃｕ −Ａ１合金、
Ａｕ −Ｃｕ −Ａｌ −Ａｇ合金、
Ａｕ−Ｃｕ−Ａｌ Ｎｉ合金、
Ａｕ−Ｃｕ−Ａｌ Ａｇ Ｎｉ合金である。The gold alloy of the present invention obtained by the above steps is specifically an Au-Cu-A1 alloy, an Au-Cu-Al-Ag alloy, an Au-Cu-AlNi alloy, an Au-Cu-AlAgNi alloy. be.
また、通常、−回の溶解量は、５０〜１００ｇ程度が適
当である。Moreover, the amount of dissolution in the second cycle is usually approximately 50 to 100 g.
本発明において用いられるＣｕ及びＡ１は、極めて酸化
しやすい金属であるために、上記のように真空若しくは
不活性ガス雰囲気中において、Ａｕ、 Ｃｕ及びＡ１を
溶解し、真空若しくは不活性ガス雰囲気中において冷却
することにより、鮮やかな洋紅色を有するＡｕ合金を得
ることができる。Since Cu and A1 used in the present invention are metals that are extremely easily oxidized, Au, Cu, and A1 are dissolved in a vacuum or inert gas atmosphere as described above, and then dissolved in a vacuum or inert gas atmosphere. By cooling, an Au alloy having a bright pink color can be obtained.
本発明のＡｕ合金は、上記したようにＡｕ −Ｃｕ −
Ａ１合金、または上記の合金にＡｇ、 Ｎｉを加えたＡ
ｕ合金であるが、Ｃｕ単体金属による赤色と、ＡｕとＡ
Ｉとの金属間化合物（Ａｕ２ＡｌまたはＡｕＡ１）によ
る紫色との発色性を合せた合金であるため、鮮やかな洋
紅色を（ストロベリー様の色）有するものである。As mentioned above, the Au alloy of the present invention is Au-Cu-
A1 alloy or A with Ag and Ni added to the above alloy
Although it is a u alloy, it has a red color due to Cu single metal, and a red color due to Au and A.
Since it is an alloy that combines color development with purple due to an intermetallic compound (Au2Al or AuA1) with I, it has a bright pink color (strawberry-like color).
また、本発明のＡｕ合金を鋳造、圧延、切削、放電加工
及びその他の加工技術により製品化した後、パフ研磨仕
上げを施せば、より鮮やかな洋紅色を有するＡｕ合金の
製品となる。Moreover, if the Au alloy of the present invention is made into a product by casting, rolling, cutting, electrical discharge machining, or other processing techniques, and then subjected to a puff polishing finish, the Au alloy product will have a more vivid pink color.
〈実施例〉
最も一般的なＡｕ品位の１８カラツトのＡｕ合金（Ａｕ
＝７５重量％）について実施した例を以下に示す。<Example> 18 karat Au alloy (Au
=75% by weight) is shown below.
実施例Ｉ
Ａｕ合金の配合
純Ａｕ ３０ｇ（７５重量％）無酸素Ｃｕ
６ｇ（１５重量％）純Ａ１ ４ｇ（１
０重量％）上記配合のものをアルゴンガス雰囲気中にお
いて、アーク溶解炉で溶製し、Ａｕ −Ｃｕ −ＡＩ三
元合金を得た。上記Ａｕ −Ｃｕ −Ａ１合金インゴッ
トの表面をヤスリ掛けしてから、パフ研磨をして表面を
仕上げたところ、鮮やかな洋紅色系の金色となった。Example I Composition of Au alloy Pure Au 30g (75% by weight) Oxygen-free Cu
6g (15% by weight) pure A1 4g (1
0% by weight) was melted in an arc melting furnace in an argon gas atmosphere to obtain an Au-Cu-AI ternary alloy. When the surface of the Au-Cu-A1 alloy ingot was sanded and then finished with puff polishing, it became a bright pinkish gold color.
実施例２
Ａｕ合金の配合
純Ａｕ ３０ｇ（７５重量％）無酸素Ｃｕ
８ｇ（２０重量％）純ＡＩ ２ｇ（５
重量％）実施例１と同様の方法により溶製したＡｕ−Ｃ
ｕ−Ａｌ合金のインゴット表面を仕上げたところ、実施
例１よりはやや赤味が強いが、鮮やかな洋紅色を何する
Ａｕ合金が得られた。Example 2 Composition of Au alloy Pure Au 30g (75% by weight) Oxygen-free Cu
8g (20% by weight) pure AI 2g (5
Weight %) Au-C prepared by the same method as Example 1
When the surface of the u-Al alloy ingot was finished, an Au alloy was obtained which had a bright pink color, although it was slightly more reddish than in Example 1.
実施例３
Ａｕ合金の配合
純Ａｕ ３０ｇ（７５重量％）無酸素Ｃｕ
６．８ｇ （１７重量％）純Ａ１ ３
．２ｇ（８重量％）実施例１と同様の方法により溶製し
たＡｕ−（：ｕ−Ａ１合金のインゴット表面を仕上げた
ところ、実施例１よりはやや赤味が強いが、鮮やかな洋
紅色を有するＡｕ合金が得られた。Example 3 Composition of Au alloy Pure Au 30g (75% by weight) Oxygen-free Cu
6.8g (17% by weight) Pure A1 3
．． 2g (8% by weight) When the surface of an ingot of Au-(:u-A1 alloy) melted in the same manner as in Example 1 was finished, it had a bright crimson color, although it was slightly more reddish than in Example 1. An Au alloy having the following properties was obtained.
次いで、上記Ａｕ −Ｃｕ −Ａ１合金を真空中で遠心
鋳造を行って得られた鋳造品指輪にヤスリ掛け、パフ研
磨をして表面を仕上げたところ、より美しい洋紅色の金
合金製品となった。Next, the above Au-Cu-A1 alloy was centrifugally cast in a vacuum, and the resulting cast ring was sanded and puff polished to finish the surface, resulting in a more beautiful pink-colored gold alloy product. .
実施例４
Ａｕ合金の配合
純Ａｕ ３０ｇ（７５重量％）無酸素Ｃｕ
６．４ｇ （１６重量％）純Ａ１
３．２ｇ（８重■％）純Ａｇ ０．４ｇ（１
重量％）実施例１と同様の方法により溶製したＡｕ−Ｃ
ｕ−Ａｌ−Ａｇ合金を鋳造加工品として表面を仕上げた
ところ、美しい洋紅色の金合金製品が得られた。Example 4 Composition of Au alloy Pure Au 30g (75% by weight) Oxygen-free Cu
6.4g (16% by weight) Pure A1
3.2g (8 weight ■%) Pure Ag 0.4g (1
Weight%) Au-C melted by the same method as Example 1
When the surface of the u-Al-Ag alloy was finished by casting, a beautiful pink-colored gold alloy product was obtained.
〈発明の効果〉
以上説明したように、本発明のＡｕ合金は、鮮やかな洋
紅色を有する合金であり、従来より用いられてきたＡｕ
−Ｃｕ二元合金とは明らかに異なる色を有するものであ
る。<Effects of the Invention> As explained above, the Au alloy of the present invention is an alloy having a bright crimson color, and is different from the conventionally used Au alloy.
-It has a color clearly different from that of the Cu binary alloy.
従って１本発明のＡｕ合金により、貴金属装飾品として
より多彩なデザインが可能になるとともに、装飾品の高
付加価値化につながる。Therefore, the Au alloy of the present invention enables more diverse designs as precious metal ornaments, and leads to higher added value of ornaments.
また、本発明のＡｕ合金は、従来のＡｕ合金と同様の方
法により製造できるので、適用性は極めて高いものであ
る。Moreover, since the Au alloy of the present invention can be manufactured by the same method as conventional Au alloys, it has extremely high applicability.
Claims (2)
、５〜２０重量％のアルミニウム（Ａｌ）とからなるこ
とを特徴とする洋紅色を有する金合金。(1) A gold alloy having a pink color and comprising gold (Au), 10 to 30% by weight of copper (Cu), and 5 to 20% by weight of aluminum (Al).
、５〜２０重量％のアルミニウム（Ａｌ）と、 ５重量％以下の銀（Ａｇ）若しくは５重量％以下のニッ
ケル（Ｎｉ）と からなることを特徴とする洋紅色を有する金合金。(2) Gold (Au), 10-30% by weight of copper (Cu), 5-20% by weight of aluminum (Al), and 5% by weight or less of silver (Ag) or 5% by weight or less of nickel ( A gold alloy having a crimson color and characterized by comprising: (Ni).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP549189A JPH02185936A (en) | 1989-01-12 | 1989-01-12 | Gold alloy having carmine color |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP549189A JPH02185936A (en) | 1989-01-12 | 1989-01-12 | Gold alloy having carmine color |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02185936A true JPH02185936A (en) | 1990-07-20 |
Family
ID=11612714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP549189A Pending JPH02185936A (en) | 1989-01-12 | 1989-01-12 | Gold alloy having carmine color |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02185936A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019039298A1 (en) * | 2017-08-22 | 2019-02-28 | 国立大学法人東京工業大学 | Artifact-free superelastic alloy |
| CN111206167A (en) * | 2020-02-26 | 2020-05-29 | 深圳市粤豪珠宝有限公司 | Light purple rose gold with good toughness and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS515338A (en) * | 1974-07-02 | 1976-01-17 | Takeo Nojima | Tosomisutono jokyosochi |
| JPS63235438A (en) * | 1987-03-10 | 1988-09-30 | サミユエル・シユタイネマン | Intermetallic compound and its use |
-
1989
- 1989-01-12 JP JP549189A patent/JPH02185936A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS515338A (en) * | 1974-07-02 | 1976-01-17 | Takeo Nojima | Tosomisutono jokyosochi |
| JPS63235438A (en) * | 1987-03-10 | 1988-09-30 | サミユエル・シユタイネマン | Intermetallic compound and its use |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019039298A1 (en) * | 2017-08-22 | 2019-02-28 | 国立大学法人東京工業大学 | Artifact-free superelastic alloy |
| JP2019039023A (en) * | 2017-08-22 | 2019-03-14 | 国立大学法人東京工業大学 | Artifactless superelastic alloy |
| CN111032891A (en) * | 2017-08-22 | 2020-04-17 | 国立大学法人东京工业大学 | Artifact-free superelastic alloys |
| CN111032891B (en) * | 2017-08-22 | 2022-03-01 | 国立大学法人东京工业大学 | Artifact-free superelastic alloy |
| US11268168B2 (en) | 2017-08-22 | 2022-03-08 | Tokyo Institute Of Technology | Artifactless superelastic alloy |
| CN111206167A (en) * | 2020-02-26 | 2020-05-29 | 深圳市粤豪珠宝有限公司 | Light purple rose gold with good toughness and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4058101B1 (en) | Decorative and dental gold alloys | |
| JPH10245646A (en) | Gold alloy, decorative member, mobile watch, and method of manufacturing decorative member | |
| KR100740195B1 (en) | Hardened precious metal alloy composition formed in the molten phase | |
| CN107164651B (en) | A kind of pink silver alloy for jewelry and preparation method thereof | |
| US3925073A (en) | Gold/silver alloys | |
| JPH02185936A (en) | Gold alloy having carmine color | |
| JP3389361B2 (en) | Decorative member and method of manufacturing the same | |
| EP0405044B1 (en) | Gold alloy | |
| JPH0717974B2 (en) | Gold alloy with shiny grey-black and black coloring and its coloring method | |
| JPH03130332A (en) | White gold alloy for ornament | |
| JPS622031B2 (en) | ||
| CN108624777A (en) | One kind having saturation rosiness and corrosion resistant cheap rose copper alloy | |
| JP3347665B2 (en) | Silver alloy for ornaments | |
| JPH0820830A (en) | Production of pure platinum for ornament, having high hardness | |
| JPH03130334A (en) | White gold alloy for ornament | |
| JP4435984B2 (en) | Jewelry composition | |
| JPH02185934A (en) | Gold alloy capable of coloring bright brown and coloring method therefor | |
| JPH0477058B2 (en) | ||
| JPH02185935A (en) | Gold alloy ornaments that are colored glossy black and their coloring method | |
| JPH11335755A (en) | Alloy for eye glass | |
| JPH0243332A (en) | Platinum alloy for ornament | |
| JPS63169345A (en) | Ornamental au alloy | |
| JPS63169344A (en) | Ornamental au alloy | |
| JPH0563532B2 (en) | ||
| JPH0243334A (en) | Platinum alloy for ornament |