JPS5976843A - Platinum alloy for accessory - Google Patents
Platinum alloy for accessoryInfo
- Publication number
- JPS5976843A JPS5976843A JP18854082A JP18854082A JPS5976843A JP S5976843 A JPS5976843 A JP S5976843A JP 18854082 A JP18854082 A JP 18854082A JP 18854082 A JP18854082 A JP 18854082A JP S5976843 A JPS5976843 A JP S5976843A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- platinum alloy
- hardness
- accessories
- workability
- 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.)
- Granted
Links
Landscapes
- Eyeglasses (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は指輪，ネックレス，ブローチ，ネクタイピン、
カフスボタン、時計枠，時計バンド、ライター、筆記用
具，眼鏡枠，イヤリング等の材料として使用する白金合
金の改良に関するものである。[Detailed Description of the Invention] The present invention relates to rings, necklaces, brooches, tie pins,
This invention relates to the improvement of platinum alloys used as materials for cufflinks, watch frames, watch bands, lighters, writing utensils, eyeglass frames, earrings, etc.
従来、上述の如き装飾品材料としては白金パラシウム（
５〜１５重量％）糸合金が多用されている。Conventionally, platinum palladium (
5-15% by weight) thread alloys are often used.
この合金は、加工性、鋳造性に優れているが、機械的強
さ特に硬さが低い為、研磨中にすり傷，押傷が付き易く
且つ光沢が出にくく、また完成品として使用している場
合も錫が付き易く、また宝石付指輪の場合、宝石を止め
ている部分がゆるんで宝石が脱落するという欠点があっ
た。This alloy has excellent workability and castability, but because of its low mechanical strength and particularly low hardness, it is easily scratched and stamped during polishing, and is difficult to produce a gloss, and is difficult to use as a finished product. In the case of rings with jewels, tin tends to stick to them, and in the case of rings with jewels, the part that holds the jewels in place loosens and the jewels fall off.
本発明は上記の欠点を解消せんが為になされたものであ
り、機械的強さ，加工性に優れた装飾品用白金合金を提
供せんとするものである。The present invention has been made in order to eliminate the above-mentioned drawbacks, and aims to provide a platinum alloy for ornaments that has excellent mechanical strength and workability.
本発明による装飾品用白金合金は、白金８０〜９８重量
％，金２〜２０重量％よりなる時効硬化特性を具備した
ものである。The platinum alloy for ornaments according to the present invention has age hardening properties and is composed of 80 to 98% by weight of platinum and 2 to 20% by weight of gold.
本発明による装飾品用白金合金に於いて、金を添加した
理由は、Ｐｔ−Ａｕの２元状態図からも明らかなように
Ｐｔ−Ａｕは１２５０℃以下の温度で２相に分離するの
で、１３００℃のα領域まで加熱し急冷する溶体化処理
を行った後、適当な温度で時効させると著しい時効硬化
性を現わす為である。The reason why gold is added to the platinum alloy for ornaments according to the present invention is that, as is clear from the binary phase diagram of Pt-Au, Pt-Au separates into two phases at temperatures below 1250°C. This is because, after performing a solution treatment of heating to the alpha region of 1300°C and rapidly cooling, it exhibits remarkable age hardening properties when aged at an appropriate temperature.
その添加量が２重量％未満では硬さの改善が殆んどなく
、２０重量％を超えると加工性が悪くなるからである。This is because if the amount added is less than 2% by weight, there is almost no improvement in hardness, and if it exceeds 20% by weight, workability deteriorates.
以下発明による装飾品用白金合金の効果を明瞭ならしめ
る為に実施例及び従来例について述べる。Examples and conventional examples will be described below in order to clarify the effects of the platinum alloy for ornaments according to the invention.
第１表に示す成分組成の実施例Ｎｏ．Ｉ〜Ｎｏ．４の装
飾品用白金合金と従来例Ｎｏ．５、Ｎｏ．６の装飾品用
白金合金の溶体化処理後の硬度，時効後の硬度．耐汗性
について測定したところ、第２表のような結果を得た。Example No. of the component composition shown in Table 1. I~No. Platinum alloy for ornaments No. 4 and conventional example No. 4 5, No. 6. Hardness after solution treatment and hardness after aging of platinum alloy for ornaments. When sweat resistance was measured, the results shown in Table 2 were obtained.
なお人工汗試験はＮＨ４Ｃｌ１５．５ｇ／ｌＮａＣｌ２
０ｇ／ｌ酢酸２．５ｇ／Ｉ！，尿素５ｇ／６，乳酸１５
ｇ／ｌ，ＰＨ４．７の液組成で液温４０℃，２４０時間
浸漬後判定した。In addition, the artificial sweat test is NH4Cl15.5g/lNaCl2
0g/l acetic acid 2.5g/I! , urea 5g/6, lactic acid 15
Judgment was made after immersion for 240 hours at a liquid temperature of 40° C. with a liquid composition of g/l and pH 4.7.
また、第１表の実施例Ｎｏ．２について１３００℃で溶
体化処理後、７００℃，８００℃の温度で時効処理を施
し、その硬境と時効時間の関係を測定したところ、図に
示す如く時効処理によって顕著な硬度上昇を示す結果を
得た。Also, Example No. 1 in Table 1. After solution treatment at 1300°C for No. 2, aging treatment was performed at temperatures of 700°C and 800°C, and the relationship between the hardness and aging time was measured. As shown in the figure, the results showed that the aging treatment significantly increased the hardness. I got it.
上記で明らかなように本発明による装飾品用白金合金は
、従来の装飾品用白金合金に比し時効処理後の硬さが著
しく優れ、耐汗性についても優れていることが判る。As is clear from the above, the platinum alloy for ornaments according to the present invention has significantly better hardness after aging treatment than conventional platinum alloys for ornaments, and is also superior in sweat resistance.
以上詳記した通り、本発明の装飾品用白金合金は加土性
．機械的強さ，耐汗性が極めて優れているので、従来の
装飾品用白金合金にとって代わることのてきる画期的な
ものと言える。As detailed above, the platinum alloy for ornaments of the present invention has earthenability. Because it has extremely excellent mechanical strength and sweat resistance, it can be said to be an epoch-making product that can replace conventional platinum alloys for decorative items.
図は、実施例ＮＯ．２を７００℃及び８１１０’てて時
効処理したときの時効時間と硬度の関係を示すグラフで
ある。The figure shows Example No. 2 is a graph showing the relationship between aging time and hardness when No. 2 is aged at 700° C. and 8110° C.
Claims (1)
品用白金合金。A platinum alloy for ornaments consisting of 80-98% by weight of platinum and 2-20% by weight of gold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18854082A JPS5976843A (en) | 1982-10-27 | 1982-10-27 | Platinum alloy for accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18854082A JPS5976843A (en) | 1982-10-27 | 1982-10-27 | Platinum alloy for accessory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5976843A true JPS5976843A (en) | 1984-05-02 |
| JPH0242895B2 JPH0242895B2 (en) | 1990-09-26 |
Family
ID=16225489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18854082A Granted JPS5976843A (en) | 1982-10-27 | 1982-10-27 | Platinum alloy for accessory |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5976843A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5084108A (en) * | 1990-07-19 | 1992-01-28 | Kretchmer Steven D | Method for forming metal compression-spring gemstone mounting |
| US5188679A (en) * | 1990-07-19 | 1993-02-23 | Kretchmer Steven D | Metal compression-spring gemstone mountings |
| WO2004090180A1 (en) * | 2003-04-08 | 2004-10-21 | Kabushiki Kaisha Pilot Corporation | White noble metal alloy and method for production thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0526795U (en) * | 1991-04-10 | 1993-04-06 | 株式会社アトム | Seat cushion that also serves as a life-saving device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5681646A (en) * | 1979-12-08 | 1981-07-03 | Tanaka Kikinzoku Kogyo Kk | Platinum alloy for accessory |
-
1982
- 1982-10-27 JP JP18854082A patent/JPS5976843A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5681646A (en) * | 1979-12-08 | 1981-07-03 | Tanaka Kikinzoku Kogyo Kk | Platinum alloy for accessory |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5084108A (en) * | 1990-07-19 | 1992-01-28 | Kretchmer Steven D | Method for forming metal compression-spring gemstone mounting |
| US5188679A (en) * | 1990-07-19 | 1993-02-23 | Kretchmer Steven D | Metal compression-spring gemstone mountings |
| WO2004090180A1 (en) * | 2003-04-08 | 2004-10-21 | Kabushiki Kaisha Pilot Corporation | White noble metal alloy and method for production thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0242895B2 (en) | 1990-09-26 |
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