JPH0332616B2 - - Google Patents

Info

Publication number
JPH0332616B2
JPH0332616B2 JP3289884A JP3289884A JPH0332616B2 JP H0332616 B2 JPH0332616 B2 JP H0332616B2 JP 3289884 A JP3289884 A JP 3289884A JP 3289884 A JP3289884 A JP 3289884A JP H0332616 B2 JPH0332616 B2 JP H0332616B2
Authority
JP
Japan
Prior art keywords
golden
decorative
alloy
colored
present
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.)
Expired
Application number
JP3289884A
Other languages
Japanese (ja)
Other versions
JPS60177147A (en
Inventor
Hiroshi Tamemasa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tanaka Kikinzoku Kogyo KK
Original Assignee
Tanaka Kikinzoku Kogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tanaka Kikinzoku Kogyo KK filed Critical Tanaka Kikinzoku Kogyo KK
Priority to JP3289884A priority Critical patent/JPS60177147A/en
Publication of JPS60177147A publication Critical patent/JPS60177147A/en
Publication of JPH0332616B2 publication Critical patent/JPH0332616B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Adornments (AREA)

Description

【発明の詳細な説明】[Detailed description of the invention]

本発明は、装飾用金合金の代用として用いられ
る黄金色系銅合金に関するものである。 近年の省資源化に伴い、装飾用金合金の代用と
して黄金色系合金材料が要求されている。 一般に装飾品に於いては、耐食性、機械的性質
が良好であることが具備条件の一つとされてい
る。更には、これ等の装飾品は装飾性の面から、
複雑な加工が施される為、その加工が容易である
こと、さらにその色が黄金色に近いことも併せて
要求されている。 ところで、装飾用黄金色系材料として用いられ
ている合金としてはZn30wt%、残部Cuより成る
黄銅合金があるが、この合金は耐食性、機械的性
質が悪く、複雑な形状に加工しづらいという欠点
があつた。 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、銅系合金で耐食性、加工性、機械
的性質に優れ、かつ黄金色を有する装飾用黄金色
系銅合金を提供せんとするものである。 本発明による装飾用黄金色系銅合金はA12〜
10wt%、Fe0.1〜5wt%、Ni0.1〜2wt%、Mn0.1
〜2wt%、貴金属0.01〜1.8wt%、残部Cuより成
る合金である。 本発明による装飾用黄金色系銅合金に於いて、
Alを添加した理由は、AlはCuと合金を作つた際
に表面に安定な酸化被膜を作り、耐食性を向上す
ると共に、黄金色の合金が得られる為であり、
2wt%未満ではその効果が薄く、10wt%を超える
と金属間化合物を作り、薄板に加工することが困
難になる為である。 また、Feを添加した理由は、FeはCu−Fe二元
系において0.1〜2.5wt%に包晶点があり、これ以
上加えることにより、包晶微細化が起こり、引張
り強さおよび伸びが上昇する為であり、0.1wt%
未満ではその効果が薄く5wt%超えると加工性が
低下してくる為である。 また、Ni、Mnを添加した理由は、Ni、Mnは
Cuと合金することにより耐食性を向上すると共
に、引張り強さ、硬さ、伸びを大きくする為であ
り、それぞれ0.1wt%未満ではその効果が薄く
2wt%を超えると加工性が低下してくる為であ
る。 また、貴金属を添加した理由は、貴金属の微量
添加によりCu−Al合金の耐食性をさらに向上さ
せる為であり、0.01wt%未満ではその効果が薄
く、1.8wt%を超えてもあまり顕著な変化が見ら
れなくなる為である。ここで言う貴金属とは、
Au、Ag、Pt、Pd、Rh、Ru、Ir、Osを含めての
ことである。 以下本発明による装飾用黄金色系銅合金の効果
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。 第1表に示す成分組成の実施例1〜5の装飾用
黄金色系銅合金と従来例1〜2の装飾用黄金色系
銅合金の色、加工性、耐汗性、機械的性質につい
てテストしたところ第2表のような結果を得た。
The present invention relates to a golden copper alloy used as a substitute for decorative gold alloys. With the recent efforts to save resources, golden alloy materials are required as a substitute for decorative gold alloys. Generally speaking, one of the requirements for decorative items is that they have good corrosion resistance and mechanical properties. Furthermore, these ornaments are decorative,
Because it requires complex processing, it is also required that the processing be easy and that the color be close to golden yellow. Incidentally, an alloy used as a decorative golden-colored material is a brass alloy consisting of 30wt% Zn and the balance Cu, but this alloy has poor corrosion resistance and mechanical properties, and has the disadvantage of being difficult to process into complex shapes. It was hot. The present invention was made in order to eliminate the above-mentioned drawbacks, and it is an object of the present invention to provide a decorative golden-colored copper alloy that is a copper-based alloy and has excellent corrosion resistance, workability, and mechanical properties, and has a golden color. It is something to do. The decorative golden copper alloy according to the present invention is A12~
10wt%, Fe0.1~5wt%, Ni0.1~2wt%, Mn0.1
It is an alloy consisting of ~2wt%, precious metals 0.01~1.8wt%, and the balance Cu. In the decorative golden copper alloy according to the present invention,
The reason for adding Al is that when Al forms an alloy with Cu, it forms a stable oxide film on the surface, improving corrosion resistance and producing a golden-colored alloy.
This is because if it is less than 2wt%, the effect will be weak, and if it exceeds 10wt%, intermetallic compounds will be formed and it will be difficult to process it into a thin plate. In addition, the reason for adding Fe is that Fe has a peritectic point at 0.1 to 2.5 wt% in the Cu-Fe binary system, and adding more than this causes peritectic refinement, which increases tensile strength and elongation. 0.1wt%
This is because if the content is less than 5wt%, the effect will be weak, and if it exceeds 5wt%, the workability will decrease. Also, the reason for adding Ni and Mn is that Ni and Mn are
This is to improve corrosion resistance as well as increase tensile strength, hardness, and elongation by alloying with Cu, and if each is less than 0.1wt%, the effect will be weak.
This is because if it exceeds 2wt%, workability will decrease. In addition, the reason for adding precious metals is to further improve the corrosion resistance of the Cu-Al alloy by adding a small amount of precious metals.If the amount is less than 0.01wt%, the effect will be weak, and if it exceeds 1.8wt%, there will be no noticeable change. This is because it will not be seen. What is the precious metal referred to here?
This includes Au, Ag, Pt, Pd, Rh, Ru, Ir, and Os. Examples and conventional examples will be described below in order to clarify the effects of the decorative golden copper alloy according to the present invention. Tests were conducted on the color, workability, sweat resistance, and mechanical properties of the decorative golden-colored copper alloys of Examples 1 to 5 and the decorative golden-colored copper alloys of Conventional Examples 1 to 2, each having the composition shown in Table 1. As a result, the results shown in Table 2 were obtained.

【表】【table】

【表】 なお、人工汗試験はNH4Cl15.5g/、
NaCl20g/、酢酸2.5g/、尿素5g/、
乳酸15g/、PH4.7の液組成で液温40℃、240時
間浸漬後判定した。 また、引張り試験は30%加工後、常温にて行つ
た。 上記で明らかなように本発明による装飾用黄金
色系銅合金は従来の装飾用黄金色系銅合金に比
し、耐汗性、加工性、機械的性質が優れ、かつ黄
金色を有していることが判る。 以上詳記した通り、本発明の装飾用黄金色系銅
合金は、耐汗性、加工性、機械的性質が優れかつ
黄金色を有しているので、従来の装飾用黄金色系
銅合金にとつて代わることのできる画期的なもの
と言える。
[Table] For the artificial sweat test, NH 4 Cl15.5g/,
NaCl 20g/, acetic acid 2.5g/, urea 5g/,
Judgment was made after immersion for 240 hours at a liquid temperature of 40°C with a liquid composition of lactic acid 15g/PH4.7. In addition, the tensile test was conducted at room temperature after 30% processing. As is clear from the above, the decorative golden-colored copper alloy according to the present invention has excellent sweat resistance, workability, and mechanical properties, and has a golden color, compared to conventional decorative golden-colored copper alloys. I know that there is. As detailed above, the decorative golden-colored copper alloy of the present invention has excellent sweat resistance, workability, and mechanical properties, and has a golden color, so it is superior to conventional decorative golden-colored copper alloys. It can be said to be an epoch-making product that can be replaced.

Claims (1)

【特許請求の範囲】[Claims] 1 アルミニウム2〜10wt%、鉄0.1〜5wt%、
ニツケル0.1〜2wt%、マンガン0.1〜2wt%、貴金
属0.01〜1.8wt%、残部銅より成る装飾用黄金色
系銅合金。
1 Aluminum 2-10wt%, iron 0.1-5wt%,
A decorative golden copper alloy consisting of nickel 0.1~2wt%, manganese 0.1~2wt%, precious metals 0.01~1.8wt%, and the balance copper.
JP3289884A 1984-02-23 1984-02-23 Golden copper alloy for ornamentation Granted JPS60177147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3289884A JPS60177147A (en) 1984-02-23 1984-02-23 Golden copper alloy for ornamentation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3289884A JPS60177147A (en) 1984-02-23 1984-02-23 Golden copper alloy for ornamentation

Publications (2)

Publication Number Publication Date
JPS60177147A JPS60177147A (en) 1985-09-11
JPH0332616B2 true JPH0332616B2 (en) 1991-05-14

Family

ID=12371710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3289884A Granted JPS60177147A (en) 1984-02-23 1984-02-23 Golden copper alloy for ornamentation

Country Status (1)

Country Link
JP (1) JPS60177147A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4131426A1 (en) * 1991-09-20 1993-03-25 Berkenhoff Gmbh ALLOY, ESPECIALLY FOR USE FOR THE PRODUCTION OF JEWELRY, EYE GLASSES ETC.
CN105671342B (en) * 2014-11-18 2017-08-29 张庆参 The manufacture method of dental dental filling alloy

Also Published As

Publication number Publication date
JPS60177147A (en) 1985-09-11

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