JPH09202931A - Copper alloy for ornament and its production - Google Patents
Copper alloy for ornament and its productionInfo
- Publication number
- JPH09202931A JPH09202931A JP1224296A JP1224296A JPH09202931A JP H09202931 A JPH09202931 A JP H09202931A JP 1224296 A JP1224296 A JP 1224296A JP 1224296 A JP1224296 A JP 1224296A JP H09202931 A JPH09202931 A JP H09202931A
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- Prior art keywords
- copper alloy
- copper
- nickel
- metal
- mechanical properties
- 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.)
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、時計、メガネフレー
ム、ピアス、ネックレス、ペンダント、指輪等の皮膚と
直接接触する金属製の装飾用素材に於て、金属アレルギ
ーの心配がなく、且つ装飾用材料としての機械的特性を
備えた装飾用の銅合金に関するもので、ニッケルを用い
る事がないものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal decorative material which is in direct contact with the skin, such as a watch, spectacle frame, piercing, necklace, pendant, ring, etc. The present invention relates to a decorative copper alloy having mechanical properties as a material and does not use nickel.
【０００２】[0002]
【従来の技術】従来より、時計、メガネフレーム、ピア
ス、ネックレス、ペンダント、指輪等の形成には、ニッ
ケルを含有した洋白、ステンレス等が用いられている。
これらの、ニッケルは、洋白、ステンレスの主要成分と
して含有されており、その材料は時計、メガネフレー
ム、ピアス、ネックレス、ペンダント、指輪等に幅広く
使用されている。2. Description of the Related Art Nickel-containing nickel silver, stainless steel, etc. have been used for forming watches, spectacle frames, piercings, necklaces, pendants, rings and the like.
Nickel is contained as a main component of nickel silver and stainless steel, and its material is widely used for watches, eyeglass frames, piercings, necklaces, pendants, rings, and the like.
【０００３】そして、洋白、ステンレスに含有されてい
るニッケルは素材の強度、耐食性、バネ性などの特性を
向上させるために、従来は欠かせない元素であった。ま
た、装飾用銅合金としては洋白材が、強度、耐食性、バ
ネ性などに優れており、銅合金固有の加工性および装飾
用材料としての経済性も兼ね備えており、現在もかなり
使用されている。Nickel contained in nickel silver and stainless steel has conventionally been an indispensable element in order to improve the properties such as strength, corrosion resistance and spring property of the material. As a decorative copper alloy, nickel silver is excellent in strength, corrosion resistance, spring properties, etc., and has the workability peculiar to the copper alloy and the economic efficiency as a decorative material, and it is still widely used. There is.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、従来よ
り洋白材で形成した時計、メガネフレーム、ピアス、ネ
ックレス、ペンダント、指輪等の装飾部品は、材料に含
まれているニッケルが、人体の皮膚に触れると重大な接
触アレルギーを引き起こすことが、問題になっている。
そこで、金属アレルギーの心配がなく洋白並みまたはそ
れ以上の特性を持った、装飾用合金が望まれている。However, in the case of decorative parts such as watches, spectacle frames, piercings, necklaces, pendants, and rings, which are conventionally made of nickel-white material, nickel contained in the material has a negative effect on human skin. It has been a problem that touching causes serious contact allergies.
Therefore, there is a demand for a decorative alloy that does not suffer from metal allergies and has characteristics equal to or higher than that of nickel silver.
【０００５】また、金属アレルギーの心配の無い材料と
して、Ｔｉ合金が使用されているが、高価な金属である
とともに装飾用材料としての加工性に問題がある。Ｔｉ
合金は特に切削性、曲げ加工性、塑性加工性等に於て銅
合金と比較して劣るものである。A Ti alloy is used as a material free from metal allergy, but it is an expensive metal and has a problem in workability as a decorative material. Ti
The alloy is inferior to the copper alloy in the machinability, bending workability, plastic workability and the like.
【０００６】そこで、本発明者等はニッケルを含有せず
に、洋白と同等またはそれ以上の装飾用金属としての機
械的特性を持った銅合金が開発できないかという課題に
取り組んだ。Therefore, the present inventors addressed the problem of developing a copper alloy that does not contain nickel and has mechanical characteristics as a decorative metal equivalent to or higher than nickel silver.
【０００７】そして、目標とする機械的性質及び耐食性
については、装飾用銅合金として必要な目標の特性値を
以下の通りとした。Regarding the target mechanical properties and corrosion resistance, the target characteristic values required for the decorative copper alloy were set as follows.
【０００８】 引張強さ ６００〜１，０００Ｎ／ｍｍ2 硬さ（Ｈｖ） １８０〜２７０ ヤング率 １２，０００〜１３，０００ｋｇ／ｍｍ2 耐食性 キャス試験（ＪＩＳ規格）ＪＩＳ Ｈ ８５０２のキャス 試験方法に合格する事。Tensile strength 600 to 1,000 N / mm 2 Hardness (Hv) 180 to 270 Young's modulus 12,000 to 13,000 kg / mm 2 Corrosion resistance Cass test (JIS standard) Pass Cass test method of JIS H8502 to be.
【０００９】[0009]
【課題を解決するための手段】本発明は、上述の如き課
題を解決するため、Ａｌ２．０〜６．０ｗｔ％、Ｍｎ
７．０〜２０．０ｗｔ％、Ｆｅ０．５〜２．５ｗｔ％、
Ｚｎ３．０〜１５．０ｗｔ％、を含有するとともにＳｉ
またはＴｉの、１種若しくは２種を０．１〜１．５ｗｔ
％含有し、残部が不可避的な不純物を除く銅よりなる装
飾用の銅合金に係るものである。According to the present invention, in order to solve the above problems, Al2.0 to 6.0 wt% and Mn are added.
7.0 to 20.0 wt%, Fe 0.5 to 2.5 wt%,
Zn 3.0 to 15.0 wt% and Si
Alternatively, one or two kinds of Ti are 0.1 to 1.5 wt.
%, And the balance is copper alloy for decoration which consists of copper excluding inevitable impurities.
【００１０】また、その製造方法は、 Ａｌ２．０〜
６．０ｗｔ％、Ｍｎ７．０〜２０．０ｗｔ％、Ｆｅ０．
５〜２．５ｗｔ％、Ｚｎ３．０〜１５．０ｗｔ％を含有
するとともにＳｉまたはＴｉの、１種若しくは２種を
０．１〜１．５ｗｔ％含有し、残部が不可避的な不純物
を除く銅よりなる銅合金を、熱間塑性加工を加えさらに
冷間塑性加工率１０％〜６０％施す事を特徴とするもの
である。The manufacturing method is as follows:
6.0 wt%, Mn 7.0 to 20.0 wt%, Fe0.
Copper containing 5 to 2.5 wt% and 3.0 to 15.0 wt% Zn and 0.1 to 1.5 wt% of one or two kinds of Si or Ti, the balance being copper excluding unavoidable impurities The copper alloy is subjected to hot plastic working and further subjected to cold plastic working of 10% to 60%.
【００１１】また、異なる他の発明は、Ａｌ２．０〜
６．０ｗｔ％、Ｍｎ７．０〜２０．０ｗｔ％、Ｆｅ０．
５〜２．５ｗｔ％、Ｚｎ３．０〜１５．０ｗｔ％を含有
するとともにＳｉまたはＴｉの、１種若しくは２種を
０．１〜１．５ｗｔ％含有し、残部が不可避的な不純物
を除く銅よりなる銅合金を、熱間塑性加工を加えさらに
冷間塑性加工率１０％〜６０％施す事により、引張強さ
６００〜１，０００Ｎ／ｍｍ2、ヤング率１２，０００
〜１３，０００ｋｇｆ／ｍｍ2、硬さＨｖ１８０〜２７
０の機械的性質を備える事を特徴とするものである。Another different invention is Al2.0-
6.0 wt%, Mn 7.0 to 20.0 wt%, Fe0.
Copper containing 5 to 2.5 wt% and 3.0 to 15.0 wt% Zn and 0.1 to 1.5 wt% of one or two kinds of Si or Ti, the balance being copper excluding unavoidable impurities The copper alloy made of the above is subjected to hot plastic working and further subjected to cold plastic working rate of 10% to 60% to obtain tensile strength of 600 to 1,000 N / mm 2 , Young's modulus of 12,000.
~ 13,000 kgf / mm 2 , hardness Hv 180-27
It is characterized by having a mechanical property of zero.
【００１２】[0012]
【作用】本発明者等は、金属アレルギーの主要因となる
ニッケルを含まず、しかも洋白並みの機械的特性を生じ
させる方法として、ニッケルの代わりにＣｕにＡｌを主
として添加元素とした。装飾用合金としての洋白のよう
な白色系合金を形成する事を目的として、Ｍｎを銅合金
としては多く添加する事を試みた。また、組織を微細化
し強度を出す目的でＦｅを添加した。また、展伸材とし
ての延性も出すためにＺｎも添加した。The present inventors have decided to use Al instead of nickel as the main additive element in place of nickel as a method of containing nickel, which is a major cause of metal allergies, and producing mechanical properties comparable to nickel silver. For the purpose of forming a white alloy such as nickel silver as a decorative alloy, an attempt was made to add Mn as a copper alloy in a large amount. Further, Fe was added for the purpose of refining the structure and increasing the strength. Zn was also added in order to obtain ductility as a wrought material.
【００１３】次に、Ｃｕ以外の本合金の組成及び添加量
について説明する。Ａｌは比重を上げずに機械的性質の
向上を図るとともに、装飾用の金属として大切な耐食性
を維持する事ができる。その含有量が６．０ｗｔ％を超
えると材料が脆くなるとともに加工性が悪くなり、メガ
ネフレーム等として使用する場合は、製造工程中に発生
するろう付け作業のろう付け性を悪くする。またＡｌの
添加量が２．０ｗｔ％未満だと機械的強度や耐食性が悪
くなる。Next, the composition and addition amount of the present alloy other than Cu will be described. Al can improve the mechanical properties without increasing the specific gravity and can maintain the corrosion resistance which is important as a metal for decoration. If the content exceeds 6.0 wt%, the material becomes brittle and the workability deteriorates, and when used as an eyeglass frame or the like, the brazing property of the brazing work that occurs during the manufacturing process is deteriorated. If the amount of Al added is less than 2.0 wt%, the mechanical strength and corrosion resistance will be poor.
【００１４】また、Ｍｎは素地を強化し機械的強度を向
上させるとともに、耐熱性の向上にも寄与する。、更
に、他の添加元素と化合しバネ性を向上させる。その添
加量が２０ｗｔ％を超えると、冷間塑性加工性を悪くす
るとともに機械的性質の伸びが無くなるし、耐熱性が悪
くなってくる。逆に、Ｍｎの添加量が７ｗｔ％未満だ
と、目標の機械的性質を満足させることができない。ま
た、Ｍｎを１５〜２０ｗｔ％と多めに含有させることに
より、形成される素材は白色の合金となり、装飾効果を
増し、商品価値を高めることができる。Further, Mn strengthens the base material to improve the mechanical strength and also contributes to the improvement of heat resistance. Further, it improves the spring property by combining with other additive elements. If the added amount exceeds 20 wt%, cold plastic workability is deteriorated, elongation of mechanical properties is lost, and heat resistance is deteriorated. On the contrary, if the addition amount of Mn is less than 7 wt%, the target mechanical properties cannot be satisfied. Further, by containing a large amount of Mn in an amount of 15 to 20 wt%, the material to be formed becomes a white alloy, the decorative effect can be increased, and the commercial value can be increased.
【００１５】また、Ｆｅは合金の組織を微細化するとと
もに、機械的性質を向上する効果を有している。また、
Ｆｅは装飾用合金として重要なメッキの付着性を良くす
る事ができる。また、Ｆｅの添加量が２．５ｗｔ％を超
えると耐食性が悪くなり、０．５ｗｔ％未満だと合金の
組織を微細化したり機械的性質を向上する効果を生じさ
せる事ができない。Further, Fe has the effect of refining the structure of the alloy and improving the mechanical properties. Also,
Fe can improve the adhesion of plating, which is important as a decorative alloy. Further, if the addition amount of Fe exceeds 2.5 wt%, the corrosion resistance becomes poor, and if it is less than 0.5 wt%, the effect of refining the structure of the alloy or improving the mechanical properties cannot be produced.
【００１６】また、Ｚｎは機械的強度を向上するととも
に、熱間、冷間塑性加工性を良好とする事ができる。そ
して、１５ｗｔ％を超えて添加すると他の添加元素との
関係で、材質が脆くなって冷間加工性を悪くする。その
添加量が３．０ｗｔ％未満だと上記の効果を生じる事が
できない。Further, Zn can improve the mechanical strength and can improve the hot and cold plastic workability. If added in excess of 15 wt%, the material becomes brittle and cold workability deteriorates due to the relationship with other additive elements. If the added amount is less than 3.0 wt%, the above effect cannot be produced.
【００１７】また、Ｓｉは材質の耐食性を良くし、他の
元素と化合物を作り、機械的強度を向上させるとともに
バネ性を良好とする。Further, Si improves the corrosion resistance of the material, forms a compound with other elements, improves the mechanical strength, and improves the spring property.
【００１８】また、ＴｉはＳｉと同じく耐食性を良好と
し、他の元素と化合物を作り、機械的強度を上げる効果
がある。ＳｉとＴｉは、単独で又は合計で１．５ｗｔ％
を超えて添加すると機械的性質の伸びが悪くなる。ま
た、その添加量が０．１ｗｔ％未満であると上記の効果
を発生する事ができない。そして、ＳｉとＴｉはその一
方または双方を添加すれば上記の効果を生じる事が可能
となる。Ti, like Si, has good corrosion resistance, has the effect of forming a compound with other elements, and increasing the mechanical strength. Si and Ti alone or in total 1.5 wt%
If it is added over the range, the elongation of mechanical properties deteriorates. Further, if the added amount is less than 0.1 wt%, the above effect cannot be produced. The addition of one or both of Si and Ti makes it possible to produce the above effect.
【００１９】以上のような組成で、鋳塊を作り熱間塑性
加工を加え、冷間塑性加工を１０％〜６０％施した材料
は、ニッケル、クロム等のアレルギー発生要因の金属元
素を含有しないため、金属アレルギーの心配が無く、し
かも当初の目標の機械的性質及び耐食性を兼ね備えた装
飾用の銅合金を得ることができるものである。The material having the composition as described above, which is made into an ingot, is subjected to hot plastic working, and is subjected to cold plastic working by 10% to 60%, does not contain a metal element such as nickel or chromium which causes allergies. Therefore, it is possible to obtain a copper alloy for decoration which is free from the concern of metal allergy and has both initial mechanical properties and corrosion resistance.
【００２０】[0020]
【００２１】本発明の実施例及び比較例の配合。Formulation of Examples and Comparative Examples of the present invention.
【００２２】[0022]
【表１】 [Table 1]
【００２３】本発明の実施例及び比較例に於ける、引張
り強さ、硬さ、ヤング率、キャス試験結果を示すもので
ある。The results of tensile strength, hardness, Young's modulus and Cass test in Examples and Comparative Examples of the present invention are shown.
【００２４】[0024]
【表２】 [Table 2]
【００２５】表１の配合で実施例１〜１０及び比較例１
１〜２２の各材料をそろえた供試材を、高周波誘導炉に
て黒鉛るつぼ中で所定のフラックスを用い大気溶解させ
た後、この溶湯を金型圧力鋳造にて、φ８０×２００ｍ
ｍＬの試料を得た。The formulations shown in Table 1 were used for Examples 1 to 10 and Comparative Example 1.
The test materials prepared from the materials 1 to 22 were melted in a graphite crucible in a high-frequency induction furnace in the atmosphere with a predetermined flux, and then the melt was pressure-molded with a die to obtain φ80 × 200 m.
A mL sample was obtained.
【００２６】そして、この試料を熱間加工したφ３０ｍ
ｍの棒材を面削加工後、７００〜８００度℃にて溶体化
処理を行い、ロール圧延機（角溝ロール）による冷間圧
延（圧下率１５〜５０％）とガス加熱型台車炉による熱
処理（５５０〜８００℃ １〜３時間）とを数回繰返し
てφ９．０ｍｍとし中間加工材を得た。Then, this sample was hot-worked and had a diameter of 30 m.
After surface-machining the bar material of m, the solution treatment is performed at 700 to 800 ° C, and cold rolling (reduction rate 15 to 50%) by a roll rolling machine (square groove roll) and a gas heating type truck furnace are used. The heat treatment (550 to 800 ° C., 1 to 3 hours) was repeated several times to obtain φ 9.0 mm to obtain an intermediate processed material.
【００２７】ここで、この中間加工材を圧下率３５％で
冷間線引き加工し、面削仕上げにてφ７．０×高さ７．
０ｍｍの耐熱特性（高温硬さ測定）を調査する試料を得
た。Here, this intermediate processed material was subjected to cold wire drawing at a rolling reduction of 35%, and was subjected to chamfering to obtain φ 7.0 × height 7.
A sample for investigating the heat resistance property (high temperature hardness measurement) of 0 mm was obtained.
【００２８】また、ヤング率測定及びキャス試験用の試
料は、前記の中間加工材をφ４．５ｍｍまで冷間線引き
加工し、連続式光輝焼鈍炉により熱処理を施したものを
圧下率５３％にて、厚み１．５ｍｍ×幅５．０ｍｍ×長
さ５０ｍｍの平角材を得た。The samples for Young's modulus measurement and Cass test were obtained by cold drawing the above-mentioned intermediate processed material to φ4.5 mm and heat-treating it in a continuous bright annealing furnace at a rolling reduction of 53%. A flat bar having a thickness of 1.5 mm, a width of 5.0 mm and a length of 50 mm was obtained.
【００２９】また、キャス試験用の試料においては、製
造した平角材を表面研磨し、パラジウムメッキを０．５
μｍ施したものを用いた。Further, in the sample for the cass test, the manufactured flat bar was surface-polished and then palladium-plated to 0.5.
What was applied was used.
【００３０】さらに、中間加工材を連続伸線機による冷
間線引き加工（圧下率１５〜６０％）と、連続式光輝焼
鈍炉による熱処理（５５０〜８００℃ １０〜３０分）
とを繰返して、φ１．６ｍｍの線材を製造した。この線
材について、引張強さ、ビッカース硬さを評価した。Further, the intermediate processed material is cold drawn by a continuous wire drawing machine (reduction ratio of 15 to 60%) and heat treated by a continuous bright annealing furnace (550 to 800 ° C. for 10 to 30 minutes).
By repeating the above, a wire rod having a diameter of 1.6 mm was manufactured. The tensile strength and Vickers hardness of this wire were evaluated.
【００３１】以下本発明の実施例に基づいて、その効果
について述べる。The effects will be described below based on the embodiments of the present invention.
【００３２】本発明の実施例１〜１０は、表２に示すご
とく、引張強さ(Ｎ／ｍｍ2)、硬さ(ＨＶＩ)、ヤング率
(ｋｇｆ／ｍｍ2)の機械的性質は目標とする範囲をいず
れも満足している。また、装飾用材料の基準であるキャ
ス試験(ＪＩＳ Ｈ ８５０２)結果は、いずれもレイティ
ングＮｏ９．０以上である。In Examples 1 to 10 of the present invention, as shown in Table 2, tensile strength (N / mm 2 ), hardness (HVI), Young's modulus
The mechanical properties of (kgf / mm 2 ) all satisfy the target range. In addition, the results of the Cass test (JIS H8502), which is the standard for decorative materials, are all rated No. 9.0 or higher.
【００３３】比較例１１はＭｎの添加量が少なく、また
比較例１２はＭｎの添加量で本発明の許容範囲を超える
ものである。その結果、比較例１１、１２は表２に示す
如く引張強さ、硬さは満足しているが、ヤング率につい
ては目標値を満たしていないし、バネ性の低い材料であ
った。キャス試験については、目標とする機械的性質を
満足していないため行っていない。In Comparative Example 11, the amount of Mn added is small, and in Comparative Example 12, the amount of Mn added exceeds the permissible range of the present invention. As a result, Comparative Examples 11 and 12 satisfy the tensile strength and hardness as shown in Table 2, but do not satisfy the target values of Young's modulus, and are materials having low springiness. Cass test is not conducted because the target mechanical properties are not satisfied.
【００３４】一方比較例１３〜１５は、ＺｎとＳｉ及び
Ｔｉを添加していない例である。そして、この内でＡｌ
の添加量が低い比較例１３は、表２に示すごとく、硬
さ、ヤング率が目標とする範囲を満たしていない。ま
た、比較例１４は引張強さ、硬さ、ヤング率共に目標と
する範囲を満たしていないし、キャス試験結果も悪い。
尚、比較例１３および１５は比較例１４と同じくＺｎ、
Ｓｉ及びＴｉを添加しておらず、比較例１４と同様の結
果が予想されるためキャス試験は行っていない。On the other hand, Comparative Examples 13 to 15 are examples in which Zn, Si and Ti are not added. And in this
As shown in Table 2, in Comparative Example 13 in which the addition amount of is low, the hardness and Young's modulus do not satisfy the target ranges. Further, Comparative Example 14 does not satisfy the target ranges of tensile strength, hardness and Young's modulus, and the Cass test results are also poor.
In addition, Comparative Examples 13 and 15 have the same Zn,
A cast test was not conducted because Si and Ti were not added and the same results as in Comparative Example 14 were expected.
【００３５】また、比較例１６〜１８は、Ｍｎの添加量
の低い例である。この比較例１６〜１８は引張強さ、硬
さ(比較例１７を除く)は満足しているが、ヤング率が低
くバネ性の低いものとなっている。また、キャス試験の
結果も悪く耐食性も劣っている。そして、比較例１８に
ついては、比較例１５〜１７と同様の結果が予想される
ためキャス試験は行っていない。Comparative Examples 16 to 18 are examples in which the amount of Mn added is low. Comparative Examples 16 to 18 satisfy the tensile strength and hardness (excluding Comparative Example 17), but have a low Young's modulus and a low spring property. In addition, the results of the Cass test are also poor and the corrosion resistance is poor. In addition, with respect to Comparative Example 18, the same results as those of Comparative Examples 15 to 17 are expected, and therefore the Cass test is not performed.
【００３６】比較例１９、２０は、Ｚｎ含有量の影響に
ついて調査した例である。この比較例１９、２０は、Ｚ
ｎを含有し、Ｓｉ、Ｔｉを含有しないもので、機械的特
性については満足しているが、キャス試験においては、
あまり良い結果が得られなかった。特に比較例１９につ
いては、Ｚｎの含有量が２．０ｗｔ％と低い例で、ヤン
グ率は目標とする数値に若干達せず、キャス試験におい
ては、Ｚｎ含有量の多い比較例２２よりも耐食性が劣っ
ていた。Comparative Examples 19 and 20 are examples in which the influence of the Zn content was investigated. Comparative Examples 19 and 20 are Z
It contains n and does not contain Si and Ti, and is satisfactory in mechanical properties, but in the Cass test,
I didn't get very good results. In particular, Comparative Example 19 is an example in which the Zn content is as low as 2.0 wt%, the Young's modulus does not reach the target value, and in the Cass test, the corrosion resistance is higher than that of Comparative Example 22 having a high Zn content. It was inferior.
【００３７】比較例２１、２２は、Ｓｉ、Ｔｉ含有量の
影響について調査した例である。この比較例は、Ｚｎを
含有せず、Ｓｉ、Ｔｉを含有しているもので、比較例１
９、２０と同様に機械的特性については満足している
が、キャス試験においては、あまり良い結果が得られな
かった。ここで比較例２１については、Ｔｉの含有量が
本発明の許容範囲を超えているが、材料加工時において
特に塑性加工性が悪い事がわかった。Comparative Examples 21 and 22 are examples in which the effects of Si and Ti contents were investigated. This comparative example does not contain Zn but contains Si and Ti.
Similar to Nos. 9 and 20, the mechanical properties were satisfactory, but the Cass test did not give very good results. Here, in Comparative Example 21, the content of Ti exceeds the allowable range of the present invention, but it was found that the plastic workability was particularly poor during material processing.
【００３８】比較例２３および２４は、通常に生産され
ている洋白である。機械的性質およびキャス試験も問題
無いが、ニッケルをかなりの量を含んでいるため、装飾
用材料に用いた場合に金属アレルギーを発生する可能性
が高いものである。Comparative Examples 23 and 24 are normally produced nickel silver. The mechanical properties and Cass test are also satisfactory, but since they contain a considerable amount of nickel, they are highly likely to cause metal allergies when used as a decorative material.
【００３９】[0039]
【発明の効果】本発明に於いては上述の如く、時計、メ
ガネフレーム、ピアス、ネックレス、ペンダント、指輪
等の皮膚と直接接触する金属製の装飾用素材に於て、金
属アレルギーの主要因となるニッケル等を含ま無いこと
により、金属アレルギーの無い安全な装飾用の銅合金を
提供することができる。また、本発明の装飾用の銅合金
は、洋白並みの機械的特性を生じさせる事ができ、また
装飾用合金として好ましい洋白のような白色系合金を形
成する事ができるものである。As described above, in the present invention, the main cause of metal allergy is metal decorative materials such as watches, spectacle frames, piercings, necklaces, pendants and rings that come into direct contact with the skin. By containing no nickel or the like, it is possible to provide a safe copper alloy for decoration without metal allergy. Further, the decorative copper alloy of the present invention is capable of producing mechanical properties comparable to nickel silver, and capable of forming a white alloy such as nickel silver which is preferable as an alloy for decoration.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 伊藤 秀晴 埼玉県入間郡三芳町大字上富508番地 三 芳合金工業株式会社内 (72)発明者 藏本 繁 埼玉県入間郡三芳町大字上富508番地 三 芳合金工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hideharu Ito, 508 Kamitomi, Miyoshi-cho, Iruma-gun, Saitama Miyoshi Alloy Industry Co., Ltd. Miyoshi Alloy Industry Co., Ltd.
Claims (3)
〜２０．０ｗｔ％、Ｆｅ０．５〜２．５ｗｔ％、Ｚｎ
３．０〜１５．０ｗｔ％を含有するとともにＳｉまたは
Ｔｉの、１種若しくは２種を０．１〜１．５ｗｔ％含有
し、残部が不可避的な不純物を除く銅よりなる装飾用の
銅合金。1. Al 2.0 to 6.0 wt%, Mn 7.0
~ 20.0 wt%, Fe 0.5-2.5 wt%, Zn
A decorative copper alloy containing 3.0 to 15.0 wt% and 0.1 or 1.5 wt% of one or two of Si or Ti, and the balance excluding unavoidable impurities .
〜２０．０ｗｔ％、Ｆｅ０．５〜２．５ｗｔ％、Ｚｎ
３．０〜１５．０ｗｔ％を含有するとともにＳｉまたは
Ｔｉの、１種若しくは２種を０．１〜１．５ｗｔ％含有
し、残部が不可避的な不純物を除く銅よりなる銅合金
を、熱間塑性加工を加えさらに冷間塑性加工率１０％〜
６０％施す事を特徴とする装飾用の銅合金の製造方法。2. Al 2.0 to 6.0 wt%, Mn 7.0
~ 20.0 wt%, Fe 0.5-2.5 wt%, Zn
A copper alloy made of copper containing 3.0 to 15.0 wt% and 0.1 to 1.5 wt% of one or two kinds of Si or Ti, and the remainder excluding inevitable impurities Cold plastic working rate 10% ~
A method for producing a copper alloy for decoration, which comprises applying 60%.
〜２０．０ｗｔ％、Ｆｅ０．５〜２．５ｗｔ％、Ｚｎ
３．０〜１５．０ｗｔ％を含有するとともにＳｉまたは
Ｔｉの、１種若しくは２種を０．１〜１．５ｗｔ％含有
し、残部が不可避的な不純物を除く銅よりなる銅合金
を、熱間塑性加工を加えさらに冷間塑性加工率１０％〜
６０％施す事により、引張強さ６００〜１，０００Ｎ／
ｍｍ2、ヤング率１２，０００〜１３，０００ｋｇｆ／
ｍｍ2、硬さＨｖ１８０〜２７０の機械的性質を備えた
装飾用の銅合金の製造方法。3. Al 2.0 to 6.0 wt%, Mn 7.0
~ 20.0 wt%, Fe 0.5-2.5 wt%, Zn
A copper alloy made of copper containing 3.0 to 15.0 wt% and 0.1 to 1.5 wt% of one or two kinds of Si or Ti, and the remainder excluding inevitable impurities Cold plastic working rate 10% ~
By applying 60%, tensile strength 600-1,000N /
mm 2 , Young's modulus 12,000 to 13,000 kgf /
A method for producing a decorative copper alloy having mechanical properties of mm 2 , hardness Hv 180 to 270.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1224296A JP2886818B2 (en) | 1996-01-26 | 1996-01-26 | Method of manufacturing copper alloy for decoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1224296A JP2886818B2 (en) | 1996-01-26 | 1996-01-26 | Method of manufacturing copper alloy for decoration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09202931A true JPH09202931A (en) | 1997-08-05 |
| JP2886818B2 JP2886818B2 (en) | 1999-04-26 |
Family
ID=11799906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1224296A Expired - Lifetime JP2886818B2 (en) | 1996-01-26 | 1996-01-26 | Method of manufacturing copper alloy for decoration |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2886818B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1045042A1 (en) * | 1999-04-16 | 2000-10-18 | Ykk Corporation | Nickel-free white copper alloy |
| EP1184471A2 (en) * | 2000-09-02 | 2002-03-06 | Berkenhoff GmbH | Alloy, particularly wire for spectacles frame |
| KR20030014079A (en) * | 2001-08-09 | 2003-02-15 | 주식회사 넥스라인 | High corrosion resistant copper cast alloy material and its production method |
| KR100407620B1 (en) * | 1999-10-12 | 2003-12-01 | 베르켄호프 게엠베하 | semi-finished products, in particular, semi-finished products of wire for spectacles frame |
| EP1995337A1 (en) * | 2007-05-25 | 2008-11-26 | Bronze Alu | Copper-based alloy and part obtained |
| CN110129614A (en) * | 2019-06-28 | 2019-08-16 | 张恒嘉 | A kind of no Alpaka alloy and preparation method |
-
1996
- 1996-01-26 JP JP1224296A patent/JP2886818B2/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1045042A1 (en) * | 1999-04-16 | 2000-10-18 | Ykk Corporation | Nickel-free white copper alloy |
| US6340446B1 (en) | 1999-04-16 | 2002-01-22 | Ykk Corporation | Nickel-free white copper alloy |
| KR100407620B1 (en) * | 1999-10-12 | 2003-12-01 | 베르켄호프 게엠베하 | semi-finished products, in particular, semi-finished products of wire for spectacles frame |
| EP1184471A2 (en) * | 2000-09-02 | 2002-03-06 | Berkenhoff GmbH | Alloy, particularly wire for spectacles frame |
| JP2002129263A (en) * | 2000-09-02 | 2002-05-09 | Berkenhoff Gmbh | Alloy for metallic member coming in contact with the body |
| EP1184471A3 (en) * | 2000-09-02 | 2002-05-22 | Berkenhoff GmbH | Alloy, particularly wire for spectacles frame |
| KR20030014079A (en) * | 2001-08-09 | 2003-02-15 | 주식회사 넥스라인 | High corrosion resistant copper cast alloy material and its production method |
| EP1995337A1 (en) * | 2007-05-25 | 2008-11-26 | Bronze Alu | Copper-based alloy and part obtained |
| FR2916452A1 (en) * | 2007-05-25 | 2008-11-28 | Bronze Alu Soc Par Actions Sim | COPPER-BASED ALLOY AND PIECE OBTAINED |
| CN110129614A (en) * | 2019-06-28 | 2019-08-16 | 张恒嘉 | A kind of no Alpaka alloy and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2886818B2 (en) | 1999-04-26 |
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