JP2002256360A - White gold alloy - Google Patents
White gold alloyInfo
- Publication number
- JP2002256360A JP2002256360A JP2001107806A JP2001107806A JP2002256360A JP 2002256360 A JP2002256360 A JP 2002256360A JP 2001107806 A JP2001107806 A JP 2001107806A JP 2001107806 A JP2001107806 A JP 2001107806A JP 2002256360 A JP2002256360 A JP 2002256360A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- gold alloy
- white
- white 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
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- Adornments (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】 本発明は、白色を有する金合金
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gold alloy having a white color.
【０００２】[0002]
【従来の技術】 これまで、指輪、イヤリング、ペンダ
ント、ネックレスなどの装飾品用材料として用いられて
きた白色金合金（ホワイトゴールドと同意）は、周知の
ように、Ｎｉを含むＮｉ系白色金合金と、Ｐｄを含むＰ
ｄ系白色金合金のいずれかであった。2. Description of the Related Art As is well known, a white gold alloy containing Ni has been used as a material for decorative articles such as rings, earrings, pendants, necklaces, etc., as is well known. And P including Pd
d-type white gold alloy.
【０００３】 このうちＮｉ系白色金合金は、Ｎｉが金
属アレルギーを引き起こすことが知られており、他の金
属と比較して症例も多いことから、Ｎｉを含まない白色
金合金が求められていた。[0003] Of these, Ni-based white gold alloys are known to cause metal allergy to Ni, and in many cases compared to other metals, there has been a demand for Ni-free white gold alloys. .
【０００４】 一方、Ｐｄ系白色金合金では、Ａｕの黄
金色を消して白色にするためには、Ｐｄを１０％以上加
える必要がある。ところが、昨今のＰｄ高騰により、Ｐ
ｄ含有率を従来のものより低くするか、或いはＰｄを含
まない白色金合金が求められていた。On the other hand, in a Pd-based white gold alloy, it is necessary to add 10% or more of Pd in order to erase Au's golden color and make it white. However, due to the recent rise in Pd,
There has been a demand for a white gold alloy having a lower d content than conventional ones or containing no Pd.
【０００５】 さらに、Ｐｄ系白色金合金は、黒味がか
った白色であるため、より白色に近い色の合金が要望さ
れていた。Further, since the Pd-based white gold alloy is blackish white, an alloy having a color closer to white has been demanded.
【０００６】[0006]
【発明が解決しようとする課題】 そこで本発明は、Ｎ
ｉとＰｄを含まない白色金合金、及びＮｉを含まず、Ｐ
ｄ含有率が５％以下の白色金合金を開発したものであ
る。Therefore, the present invention provides an
i and Pd-free white gold alloy, and Ni-free, P
A white gold alloy having a d content of 5% or less has been developed.
【０００７】[0007]
【問題を解決するための手段】 上記課題を解決するた
め、本発明による白色金合金は、Ａｕが７０〜９２重量
％で、これにＦｅを８〜３０重量％、Ｃｒを８〜３０重
量％の１種類もしくは２種類加えたもの、また、Ａｕが
７０〜９２重量％で、これにＦｅを０．０５〜２５重量
％、Ｃｒを０．０５〜２５重量％の１種類もしくは２種
類加えた合金に、Ｐｄを０．０５〜５重量％、Ｐｔを
０．０５〜２０重量％、Ｒｕを０．０５〜３重量％、Ｒ
ｈを０．０５〜３重量％、Ｉｒを０．０５〜３重量％、
Ｃｏを０．０５〜５重量％、Ｍｎを０．０５〜５重量
％、Ａｇを０．０５〜１５重量％、Ｃｕを０．０５〜１
５重量％、Ｚｎを０．０５〜１０重量％、Ｉｎを０．０
５〜１０重量％、Ｇａを０．０５〜１０重量％、の１種
類もしくは２種類以上加えたものである。Means for Solving the Problems In order to solve the above problems, the white gold alloy according to the present invention comprises 70 to 92% by weight of Au, 8 to 30% by weight of Fe, and 8 to 30% by weight of Cr. And 70 to 92% by weight of Au, and 0.05 to 25% by weight of Fe and 0.05 to 25% by weight of Cr. In the alloy, 0.05-5% by weight of Pd, 0.05-20% by weight of Pt, 0.05-3% by weight of Ru, R
h is 0.05-3% by weight, Ir is 0.05-3% by weight,
0.05-5% by weight of Co, 0.05-5% by weight of Mn, 0.05-15% by weight of Ag, 0.05-1% of Cu
5% by weight, 0.05 to 10% by weight of Zn, 0.0% of In
One or two or more of 5 to 10% by weight and 0.05 to 10% by weight of Ga are added.
【０００８】[0008]
【作用】 上記組成の白色金合金は、ＮｉとＰｄを含ま
ない、及びＮｉを含まず、Ｐｄ含有率が５％以下の、こ
れまでにない成分組成の白色金合金で、色も従来品より
白色であり、さらに安価でＮｉによる金属アレルギーを
起こさない、商品価値の高い白色金合金となる。The white gold alloy having the above composition does not contain Ni and Pd, and does not contain Ni, and has a Pd content of 5% or less. It is a white gold alloy which is white, less expensive, does not cause metal allergy due to Ni, and has high commercial value.
【０００９】 ここで、ＦｅとＣｒは、Ａｕの黄金色を
消して白色にするため用い、さらにＣｒは、Ｆｅの酸化
を防ぐために用いている。Here, Fe and Cr are used to erase the golden color of Au to make it white, and Cr is used to prevent oxidation of Fe.
【００１０】また、鋳造性、加工性、硬さ改善のため、
Ｐｄ、Ｐｔ、Ｒｕ、Ｒｈ、Ｉｒ、Ｃｏ、Ｍｎ、Ａｇ、Ｃ
ｕ、Ｚｎ、Ｉｎ、Ｇａを加えているIn order to improve castability, workability and hardness,
Pd, Pt, Ru, Rh, Ir, Co, Mn, Ag, C
u, Zn, In, and Ga are added
【００１１】[0011]
【実施例 １】 Ａｕ：８３．５重量％、Ｆｅ：１４．
５重量％、Ｃｒ：２．０重量％を真空溶解炉で溶解、鋳
造してインゴットとした。これを板材に加工してプレス
抜きし、指輪に加工後表面を切削して、カットリングと
した。合金は鋳造性、加工性、切削性共に良好であっ
た。製品の色合いは白色であり、ＮｉとＰｄを含まな
い、これまでにない色調のＫ２０ホワイトゴールド（白
色金合金）リングが得られた。Example 1 Au: 83.5% by weight, Fe: 14.
5% by weight and Cr: 2.0% by weight were melted and cast in a vacuum melting furnace to form an ingot. This was processed into a plate material, punched out, processed into a ring, and the surface was cut to form a cut ring. The alloy had good castability, workability, and machinability. The color of the product was white, and a K20 white gold (white gold alloy) ring with an unprecedented color tone without Ni and Pd was obtained.
【００１２】[0012]
【実施例 ２】 実施例１と同様の方法で、Ａｕ：８
３．５重量％、Ｆｅ：１３．０重量％、Ｃｒ：２．０重
量％、Ｐｄ：１．５重量％を溶解、鋳造、加工して製品
を得た。製品の色合いは白色であり、Ｎｉを含まず、Ｐ
ｄ含有率の低い、これまでにない色調のＫ２０ホワイト
ゴールド（白色金合金）リングが得られた。Second Embodiment Au: 8 in the same manner as in the first embodiment.
3.5% by weight, 13.0% by weight of Fe, 2.0% by weight of Cr and 1.5% by weight of Pd were melted, cast and processed to obtain a product. The color of the product is white, not containing Ni, P
An unprecedented K20 white gold (white gold alloy) ring with a low d content was obtained.
【００１３】[0013]
【実施例 ３】 実施例１と同様の方法で、Ａｕ：８
３．５重量％、Ｆｅ：１６．０重量％、Ｇａ：０．５重
量％、を溶解、鋳造、加工して製品を得た。製品の色合
いは白色であり、Ｎｉ及びＰｄを含まない、これまでに
ない色調のＫ２０ホワイトゴールド（白色金合金）リン
グが得られた。Embodiment 3 Au: 8 in the same manner as in Embodiment 1.
3.5% by weight, Fe: 16.0% by weight, and Ga: 0.5% by weight were melted, cast and processed to obtain a product. The color of the product is white, and an unprecedented K20 white gold (white gold alloy) ring containing no Ni and Pd is obtained.
【００１４】[0014]
【実施例 ４】 実施例１と同様の方法で、Ａｕ：７
５．０重量％、Ｆｅ：２０．０重量％、Ｃｒ：３．０重
量％、Ｐｄ：２．０重量％を溶解、鋳造、加工して製品
を得た。製品の色合いは白色であり、Ｎｉを含まず、Ｐ
ｄ含有率の低い、これまでにない色調のＫ１８ホワイト
ゴールド（白色金合金）リングが得られた。Embodiment 4 In the same manner as in Embodiment 1, Au: 7
5.0% by weight, 20.0% by weight of Fe, 3.0% by weight of Cr, and 2.0% by weight of Pd were melted, cast and processed to obtain a product. The color of the product is white, not containing Ni, P
An unprecedented K18 white gold (white gold alloy) ring with a low d content was obtained.
【００１５】[0015]
【実施例 ５】 実施例１と同様の方法で、Ａｕ：７
５．０重量％、Ｆｅ：１５．０重量％、Ａｇ：５．０重
量％、Ｃｕ：５．０重量％を溶解、鋳造、加工して製品
を得た。製品の色合いは白色であり、Ｎｉ及びＰｄ含ま
ない、これまでにない色調のＫ１８ホワイトゴールド
（白色金合金）リングが得られた。Embodiment 5 In the same manner as in Embodiment 1, Au: 7
5.0 wt%, Fe: 15.0 wt%, Ag: 5.0 wt%, and Cu: 5.0 wt% were melted, cast and processed to obtain a product. The color of the product is white, and an unprecedented K18 white gold (white gold alloy) ring without Ni and Pd is obtained.
【００１６】[0016]
【発明の効果】 以上のような本発明により、装飾品用
材料としてＮｉとＰｄを含まない、及びＮｉを含まずＰ
ｄ含有率５％以下の、これまでにない成分組成と色調
の、白色を有する金合金が得られた。さらに、従来品に
比べて安価で、Ｎｉによる金属アレルギーの心配がない
ため、色調と合わせて商品価値の高い白色金合金となっ
た。According to the present invention described above, Ni and Pd are not contained as a decorative material, and P is contained without Ni.
A white gold alloy having an unprecedented component composition and color tone having a d content of 5% or less was obtained. Furthermore, since it is cheaper than conventional products and there is no concern about metal allergy due to Ni, a white gold alloy having a high commercial value is obtained together with the color tone.
Claims (2)
を８〜３０重量％、Ｃｒを８〜３０重量％の１種類もし
くは２種類加えたことを特徴とする、白色を有する金合
金。1. Au is 70 to 92% by weight, which contains Fe
And 8 to 30% by weight of Cr and 8 to 30% by weight of Cr.
を０．０５〜２５重量％、Ｃｒを０．０５〜２５重量％
の１種類もしくは２種類加えた合金に、Ｐｄを０．０５
〜５重量％、Ｐｔを０．０５〜２０重量％、Ｒｕを０．
０５〜３重量％、Ｒｈを０．０５〜３重量％、Ｉｒを
０．０５〜３重量％、Ｃｏを０．０５〜５重量％、Ｍｎ
を０．０５〜５重量％、Ａｇを０．０５〜１５重量％、
Ｃｕを０．０５〜１５重量％、Ｚｎを０．０５〜１０重
量％、Ｉｎを０．０５〜１０重量％、Ｇａを０．０５〜
１０重量％の１種類もしくは２種類以上加えたことを特
徴とする、白色を有する金合金。2. Au is 70 to 92% by weight, which contains Fe.
0.05 to 25% by weight, Cr 0.05 to 25% by weight
Pd is added to one or two alloys of
-5% by weight, 0.05-20% by weight of Pt, and 0.
0.05 to 3% by weight, 0.05 to 3% by weight of Rh, 0.05 to 3% by weight of Ir, 0.05 to 5% by weight of Co, Mn
Is 0.05 to 5% by weight, Ag is 0.05 to 15% by weight,
0.05 to 15% by weight of Cu, 0.05 to 10% by weight of Zn, 0.05 to 10% by weight of In, and 0.05 to 5% of Ga
A gold alloy having a white color, characterized in that one or more of 10% by weight is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001107806A JP2002256360A (en) | 2001-03-01 | 2001-03-01 | White gold alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001107806A JP2002256360A (en) | 2001-03-01 | 2001-03-01 | White gold alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002256360A true JP2002256360A (en) | 2002-09-11 |
Family
ID=18960063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001107806A Pending JP2002256360A (en) | 2001-03-01 | 2001-03-01 | White gold alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002256360A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4879729B2 (en) * | 2003-02-11 | 2012-02-22 | メタロール・テクノロジーズ・インターナショナル・ソシエテ・アノニム | Gold alloy |
| EP2546371A1 (en) * | 2011-07-12 | 2013-01-16 | Cendres + Métaux SA | 18-carat grey gold |
| US20130259736A1 (en) * | 2012-03-14 | 2013-10-03 | Victor Dyment | Thermoregulatory Interactive Gold Alloys for Therapeutic Jewelry Items |
| RU2500825C1 (en) * | 2012-12-18 | 2013-12-10 | Юлия Алексеевна Щепочкина | Gold-base alloy |
| ITPD20130002A1 (en) * | 2013-01-11 | 2014-07-12 | Legor Group S P A | COMPOSITION OF LEGA MADRE FOR THE PRODUCTION OF WHITE GOLD AND ALLOY WHITE GOLD ALLOYS. |
| CN104884650A (en) * | 2012-11-08 | 2015-09-02 | 贺利氏有限公司 | Nickel containing gold alloys having low nickel releasing rate, master alloys for obtaining them and use of metal elements therein |
| CN107419130A (en) * | 2017-07-27 | 2017-12-01 | 深圳市福麒珠宝首饰有限公司 | A kind of preparation method of 18K gold and 18K gold ornaments |
| CN112251625A (en) * | 2020-10-15 | 2021-01-22 | 深圳市宝瑞莱珠宝首饰有限公司 | Fading-resistant 18K black gold for jewelry and processing technology thereof |
-
2001
- 2001-03-01 JP JP2001107806A patent/JP2002256360A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4879729B2 (en) * | 2003-02-11 | 2012-02-22 | メタロール・テクノロジーズ・インターナショナル・ソシエテ・アノニム | Gold alloy |
| EP2546371A1 (en) * | 2011-07-12 | 2013-01-16 | Cendres + Métaux SA | 18-carat grey gold |
| US20130259736A1 (en) * | 2012-03-14 | 2013-10-03 | Victor Dyment | Thermoregulatory Interactive Gold Alloys for Therapeutic Jewelry Items |
| CN104884650A (en) * | 2012-11-08 | 2015-09-02 | 贺利氏有限公司 | Nickel containing gold alloys having low nickel releasing rate, master alloys for obtaining them and use of metal elements therein |
| RU2500825C1 (en) * | 2012-12-18 | 2013-12-10 | Юлия Алексеевна Щепочкина | Gold-base alloy |
| ITPD20130002A1 (en) * | 2013-01-11 | 2014-07-12 | Legor Group S P A | COMPOSITION OF LEGA MADRE FOR THE PRODUCTION OF WHITE GOLD AND ALLOY WHITE GOLD ALLOYS. |
| WO2014108848A1 (en) * | 2013-01-11 | 2014-07-17 | Legor Group S.P.A. | Master alloy composition for producing white gold alloys and white gold alloy thus obtained |
| CN107419130A (en) * | 2017-07-27 | 2017-12-01 | 深圳市福麒珠宝首饰有限公司 | A kind of preparation method of 18K gold and 18K gold ornaments |
| CN112251625A (en) * | 2020-10-15 | 2021-01-22 | 深圳市宝瑞莱珠宝首饰有限公司 | Fading-resistant 18K black gold for jewelry and processing technology thereof |
| CN112251625B (en) * | 2020-10-15 | 2022-04-15 | 深圳市宝瑞莱珠宝首饰有限公司 | Fading-resistant 18K black gold processing technology for jewelry |
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