JPH08157983A - Ornamental member made of hard gold alloy having high purity of gold - Google Patents
Ornamental member made of hard gold alloy having high purity of goldInfo
- Publication number
- JPH08157983A JPH08157983A JP32366194A JP32366194A JPH08157983A JP H08157983 A JPH08157983 A JP H08157983A JP 32366194 A JP32366194 A JP 32366194A JP 32366194 A JP32366194 A JP 32366194A JP H08157983 A JPH08157983 A JP H08157983A
- Authority
- JP
- Japan
- Prior art keywords
- ppm
- hardness
- hard
- 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
【0001】[0001]
【産業上の利用分野】本発明は、Au含有率が99.5
重量%以上にもかかわらず、ビッカース硬度(Hv)が
100前後と、擦り傷や引っ掻き傷がつきにくく、且
つ、経時的にも、ろう付け等の加熱にも、硬度低下の少
ない硬質Au合金製装飾部材に関するものである。The present invention has an Au content of 99.5.
Despite the weight% or more, the Vickers hardness (Hv) is around 100, which makes it hard to be scratched or scratched, and has little hardness deterioration with time and heating such as brazing. It relates to members.
【0002】[0002]
【従来の技術】一般に金母材の宝飾品の部材は、硬さ
や、抗張力の向上を図る目的で、Ag,CuさらにN
i,Pd,Zn等と合金させた、K18,K14等の合
金が良く知られている。2. Description of the Related Art Generally, a member of a jewelry material made of a gold base material is made of Ag, Cu and N for the purpose of improving hardness and tensile strength.
Alloys such as K18 and K14 alloyed with i, Pd and Zn are well known.
【0003】[0003]
【発明が解決しようとする課題】一方、高純度の金宝飾
品は硬度が低く、日常生活に於いて、その美的価値を長
期にわたって維持することが極めて困難なことと、時間
経過と共に硬度低下するばかりでなく、ろう付け等の加
熱によっても硬度低下が避けられないことから、装飾部
材としての適用が限られているのが現状である。On the other hand, high-purity gold jewelery has a low hardness, and it is extremely difficult to maintain its aesthetic value in daily life for a long period of time, and the hardness decreases with time. In addition, since the hardness cannot be reduced even by heating such as brazing, its application as a decorative member is currently limited.
【0004】[0004]
【課題を解決するための手段】上述の観点から、純金の
持つ高級感を保ちつつ、高硬度を有するAu合金製装飾
部材を開発すべく研究を行った結果、Au含有率が9
9.5重量%以上で、合金成分として、Gd,Y,Sm
の元素から選ばれた第1元素の、1種類もしくは複数種
類を累計量500ppm〜2,000ppmと、第2元
素のFeを0.1ppm〜15ppm含有せしめること
によって高硬度の装飾部材を得ることがでた。且つ、こ
の装飾部材は、ろう付けの加熱に対しても硬度低下が少
なく、長期にわたって高い美的価値を維持できるという
結果を得た。From the above-mentioned viewpoint, as a result of research to develop an Au alloy decorative member having high hardness while maintaining the high-grade feeling of pure gold, the Au content was 9%.
9.5 wt% or more, Gd, Y, Sm as alloy components
A high-hardness decorative member can be obtained by including one or more kinds of the first element selected from the above elements in a cumulative amount of 500 ppm to 2,000 ppm and Fe of the second element of 0.1 ppm to 15 ppm. It came out. In addition, this decorative member has a small decrease in hardness even when the brazing is heated, and has a result that a high aesthetic value can be maintained for a long period of time.
【0005】この発明は、上記の研究結果に基ずいてな
されたものであり、Au含有率が99.5重量%以上
で、合金成分として、Gd,Y,Smの元素から選ばれ
た第1元素の、1種類もしくは複数種類を累計量500
ppm〜2,000ppmと、第2元素のFeを0.1
ppm〜15ppm含有する、加熱に対して硬度低下の
少ない、硬質Au合金製装飾部 材に特徴を有するもの
である。The present invention has been made based on the above-mentioned research results, and has a first Au content of 99.5% by weight or more and an alloy component selected from the elements of Gd, Y, and Sm. Cumulative amount of one kind or plural kinds of elements 500
ppm to 2,000 ppm and Fe of the second element 0.1
It is characterized by a hard Au alloy decorative material containing from 15 to 15 ppm and having little decrease in hardness upon heating.
【0006】この発明の装飾部材に於いて、Au含有率
を99.5重量%以上としたのは、これ以下では、一般
的にAuの高含有率が好まれる傾向を含めて、純金の高
級感が失われるためである。また、Gd,Y,Smの元
素から選ばれた第1元素の、1種類もしくは複数種類を
累計量500ppm〜2,000ppmと、第2元素の
Feを0.1ppm〜15ppm含有すると定めたの
は、各成分は共存した状態で硬度を高めると共に、硬度
の経時的低下及び加熱による低下を抑制する作用があ
る。したがって、これらGd,Y,Smの元素から選ば
れた第1元素の、1種類もしくは複数種類を累計量50
0ppm未満とするか、第2元素のFeを0.1ppm
未満とするならば、所望の効果がえられない。一方、G
d,Y,Smの元素から選ばれた第1元素の、1種類も
しくは複数種類を累計量2,000ppm以上とする
か、第2元素のFeを15ppm以上とした場合でも、
より一層の向上効果が得られないばかりでなく、Au含
有率を99.5重量%以上に維持するのが困難になると
いう理由によるものである。In the decorative member of the present invention, the Au content is set to 99.5% by weight or more. Below this, there is a tendency that a high content of Au is generally preferred, and high-grade pure gold is used. This is because the feeling is lost. Further, it is determined that one kind or plural kinds of the first element selected from the elements of Gd, Y, and Sm are contained in a cumulative amount of 500 ppm to 2,000 ppm and Fe of the second element is contained in the range of 0.1 ppm to 15 ppm. The respective components have the effects of increasing the hardness in the coexisting state and suppressing the deterioration of the hardness over time and the deterioration due to heating. Therefore, the total amount of one kind or plural kinds of the first element selected from the elements of Gd, Y and Sm is 50
It should be less than 0 ppm, or Fe of the second element should be 0.1 ppm.
If it is less than the desired value, the desired effect cannot be obtained. On the other hand, G
Even when the total amount of one kind or plural kinds of the first element selected from the elements of d, Y and Sm is 2,000 ppm or more, or when the Fe of the second element is 15 ppm or more,
This is because not only the further improvement effect cannot be obtained, but also it becomes difficult to maintain the Au content at 99.5% by weight or more.
【0007】[0007]
【実施例】この発明の装飾部材を、実施例により具体的
に説明する。真空溶解炉により、表1に示される成分組
成をもったAu合金及び純金を溶解し、20mm*20
mm*150mmの大きさのインゴットに鋳造する。こ
の端部より硬度測定用試験片を採取した後、伸線加工を
施し0.8mmのワイヤーにすることにより本発明装飾
部材1〜20及 び純金装飾部材を製造した。EXAMPLES The decorative member of the present invention will be specifically described by way of examples. In a vacuum melting furnace, an Au alloy having the composition shown in Table 1 and pure gold were melted, and 20 mm * 20
It is cast into an ingot having a size of mm * 150 mm. After collecting a test piece for hardness measurement from this end, wire drawing was performed to make a wire of 0.8 mm to produce the decorative members 1 to 20 of the present invention and a pure gold decorative member.
【0008】この結果得られた本発明装飾部材1〜20
及び純金装飾部材について、インゴット状態、加工直
後、6ヵ月経過後のマイクロビッカース硬度(荷重:1
00g)を測定する。さらに通常ろう付け条件、例えば
Au−20重量%Sn合金ろう材(融点:280℃)に
おいて行われている温度:350℃に30分間保持後冷
却してマイクロビッカース硬度(荷重:100g)を測
定した。これらの測定結果を表1に示し た。The decorative members 1 to 20 of the present invention obtained as a result
And, for pure gold decorative members, ingot state, immediately after processing, micro Vickers hardness after 6 months (load: 1
00g) is measured. Further, the micro-Vickers hardness (load: 100 g) was measured by holding under normal brazing conditions, for example, a temperature of 350 ° C. for 30 minutes, which is performed in an Au-20 wt% Sn alloy brazing material (melting point: 280 ° C.), and then cooling. . The results of these measurements are shown in Table 1.
【0009】[0009]
【表1】 [Table 1]
【0010】[0010]
【発明の効果】表1に示される結果から、本発明装飾部
材は純金装飾部材と比べ、高い硬度を持ち、且つ、経時
的硬度低下及び加熱による硬度低下が、ほとんどないこ
とが読み取れる。このことから、本発明装飾部材は、A
u含有率が99.5重量%以上にもかかわらず、ビッカ
ース硬度(Hv)が100前後と、擦り傷や引っ掻き傷
がつきにくく、且つ、経時的にも、ろう付け等の加熱に
も、硬度低下の少ない硬質Au合金製装飾部材であるの
で、各種装飾品として実用に供した場合、これらの美的
価値を長期にわたって維持するなど工業上有用な特性を
有するものである。From the results shown in Table 1, it can be seen that the decorative member of the present invention has a higher hardness than the pure gold decorative member, and there is almost no decrease in hardness over time and hardness due to heating. From this, the decorative member of the present invention is A
Despite the u content of 99.5% by weight or more, the Vickers hardness (Hv) is around 100, scratches and scratches are less likely to occur, and hardness decreases with time and heating such as brazing. Since it is a hard Au alloy decorative member with few properties, it has industrially useful properties such as maintaining its aesthetic value for a long time when put into practical use as various decorative products.
Claims (2)
d,Y,Smの元素から選ばれた、1種類もしくは複数
種類を累計量500ppm〜2,000ppm含有せし
めてなる硬質Au合金製装飾部材。1. Au containing a purity of 99.5% by weight or more and G
A decorative member made of a hard Au alloy, which contains one kind or plural kinds selected from the elements of d, Y and Sm in a cumulative amount of 500 ppm to 2,000 ppm.
d,Y,Smの元素から選ばれた第1元素の、1種類も
しくは複数種類を累計量500ppm〜2,000pp
mと、第2元素のFeを0.1ppm〜15ppm含有
せしめてなる硬質Au合金製装飾部材。2. An Au having a purity of 99.5% by weight or more and G
The cumulative total amount of the first element selected from the elements of d, Y, and Sm is 500 ppm to 2,000 pp.
A hard Au alloy decorative member containing m and 0.1 ppm to 15 ppm of the second element Fe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32366194A JPH08157983A (en) | 1994-11-30 | 1994-11-30 | Ornamental member made of hard gold alloy having high purity of gold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32366194A JPH08157983A (en) | 1994-11-30 | 1994-11-30 | Ornamental member made of hard gold alloy having high purity of gold |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH08157983A true JPH08157983A (en) | 1996-06-18 |
Family
ID=18157204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP32366194A Pending JPH08157983A (en) | 1994-11-30 | 1994-11-30 | Ornamental member made of hard gold alloy having high purity of gold |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH08157983A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6045635A (en) * | 1995-04-07 | 2000-04-04 | Ogasa; Kazuo | High-purity hardened gold alloy and a process of producing the same |
JP4230218B2 (en) * | 2000-07-03 | 2009-02-25 | 和男 小笠 | Hard noble metal alloy member and manufacturing method thereof |
WO2012169285A1 (en) * | 2011-06-06 | 2012-12-13 | 株式会社スリーオー | Fine crystallite high-performance metal alloy member and method for manufacturing same |
WO2023238744A1 (en) * | 2022-06-08 | 2023-12-14 | 田中電子工業株式会社 | Metal alloy wire for chain manufacturing, manufacturing method for same, and metal alloy chain |
-
1994
- 1994-11-30 JP JP32366194A patent/JPH08157983A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6045635A (en) * | 1995-04-07 | 2000-04-04 | Ogasa; Kazuo | High-purity hardened gold alloy and a process of producing the same |
US6077366A (en) * | 1995-04-07 | 2000-06-20 | Ogasa; Kazuo | Process for producing a high-purity hard gold alloy |
JP4230218B2 (en) * | 2000-07-03 | 2009-02-25 | 和男 小笠 | Hard noble metal alloy member and manufacturing method thereof |
WO2012169285A1 (en) * | 2011-06-06 | 2012-12-13 | 株式会社スリーオー | Fine crystallite high-performance metal alloy member and method for manufacturing same |
JP2012251235A (en) * | 2011-06-06 | 2012-12-20 | Three O Co Ltd | Fine crystallite high-performance metal alloy member, and manufacturing method therefor |
CN103748243A (en) * | 2011-06-06 | 2014-04-23 | 株式会社斯立欧 | Fine crystallite high-performance metal alloy member and method for manufacturing same |
WO2023238744A1 (en) * | 2022-06-08 | 2023-12-14 | 田中電子工業株式会社 | Metal alloy wire for chain manufacturing, manufacturing method for same, and metal alloy chain |
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