JP5221884B2 - 装飾用ｋ１８ホワイトゴールド合金 - Google Patents
装飾用ｋ１８ホワイトゴールド合金 Download PDFInfo
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- JP5221884B2 JP5221884B2 JP2007056233A JP2007056233A JP5221884B2 JP 5221884 B2 JP5221884 B2 JP 5221884B2 JP 2007056233 A JP2007056233 A JP 2007056233A JP 2007056233 A JP2007056233 A JP 2007056233A JP 5221884 B2 JP5221884 B2 JP 5221884B2
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- hardness
- alloy
- added
- gold alloy
- decoration
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- 229910045601 alloy Inorganic materials 0.000 title claims description 18
- 239000000956 alloy Substances 0.000 title claims description 18
- 239000010938 white gold Substances 0.000 title claims description 10
- 229910000832 white gold Inorganic materials 0.000 title claims description 10
- 238000005034 decoration Methods 0.000 title description 5
- 239000010931 gold Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 230000002087 whitening effect Effects 0.000 description 6
- 229910001020 Au alloy Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000003353 gold alloy Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 229910017944 Ag—Cu Inorganic materials 0.000 description 1
- 229910002710 Au-Pd Inorganic materials 0.000 description 1
- 229910017398 Au—Ni Inorganic materials 0.000 description 1
- 206010012442 Dermatitis contact Diseases 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 208000010247 contact dermatitis Diseases 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 201000005299 metal allergy Diseases 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910002059 quaternary alloy Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Description
Ｐｄ系については、合金の白色化とＰｄ特有の黒ずんだ色調に問題があり、ほとんどがＲｈめっきを施して使用しているが、めっきが剥げた場合に合金本来の黒ずんだ色調が露出するために審美性上の問題がある。
本発明は、上記の問題を解決するもので、結晶の微細化により、装飾用として適した硬さを確保することを目的とする。
Ｐｄを添加する目的は、ＰｔよりもＡｕの金色を脱色する効果があるからであるが、ＡｕにＰｄのみの添加では、明度の値が大きくなり、暗さが増すことになる。０．５％以下では添加の効果が得られず、１５％を超えると暗すぎてしまうからである。
Ｃｕを添加する目的は、鋳造性の向上と硬さに対する効果があるからであり、５．０％を超える添加量では、色差、彩度において黄色方向に働くことになり、合金の白色化を妨げることになる。また、０．１％以下の添加量では、硬さに対する効果が得られないからである。
色差は、標準試料との色の差であり、明度は明るさの度合いを示し、＋は明るく、−は暗くなることを示す。また、彩度ａ*の値が＋は赤方向、−は緑方向、ｂ*の＋は黄方向、−は青方向を示し、Ｐｄ、Ｃｕの添加量が増すと暗さが増し、Ａｇ、Ｐｔの添加量が増すと明るさが増す。
Claims (1)
- 質量比で、Ｐｔ０．５〜２０％、Ｐｄ０．５〜１５％、Ａｇ０．５〜１０％、Ｃｕ０．１〜０．５％、Ｉｒ０．１〜３．０％、残りをＡｕとしたことを特徴とする装飾用Ｋ１８ホワイトゴールド合金。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007056233A JP5221884B2 (ja) | 2007-03-06 | 2007-03-06 | 装飾用ｋ１８ホワイトゴールド合金 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007056233A JP5221884B2 (ja) | 2007-03-06 | 2007-03-06 | 装飾用ｋ１８ホワイトゴールド合金 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008214718A JP2008214718A (ja) | 2008-09-18 |
| JP5221884B2 true JP5221884B2 (ja) | 2013-06-26 |
Family
ID=39835122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007056233A Active JP5221884B2 (ja) | 2007-03-06 | 2007-03-06 | 装飾用ｋ１８ホワイトゴールド合金 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5221884B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3070182B1 (fr) * | 2015-03-17 | 2017-08-30 | The Swatch Group Research and Development Ltd. | Alliage d'or gris |
| WO2020202423A1 (ja) * | 2019-04-01 | 2020-10-08 | 株式会社俄 | ホワイトゴールド合金 |
| CN113862504B (zh) * | 2021-12-01 | 2022-03-08 | 北京达博有色金属焊料有限责任公司 | 一种金合金和合金制品及其制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1169753A (en) * | 1915-03-12 | 1916-01-25 | Rudolph John Peschko | Precious-metal alloy. |
| US3981723A (en) * | 1973-06-15 | 1976-09-21 | Pennwalt Corporation | White gold alloy |
| NL9201956A (nl) * | 1992-11-09 | 1994-06-01 | Elephant Edelmetaal Bv | Vervaardiging van een spinkop of ander voortbrengsel uit een goud-platina-palladium-rhodium legering; de legering; daaruit vervaardigd voortbrengsel; productie van kunstvezels. |
| JPH09184033A (ja) * | 1996-01-08 | 1997-07-15 | Tanaka Kikinzoku Kogyo Kk | ホワイト・ゴールド合金 |
| JP2000080423A (ja) * | 1998-07-10 | 2000-03-21 | Ijima Kikinzoku Seiren Kk | 装飾用金合金 |
-
2007
- 2007-03-06 JP JP2007056233A patent/JP5221884B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008214718A (ja) | 2008-09-18 |
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