JPH0477059B2 - - Google Patents
Info
- Publication number
- JPH0477059B2 JPH0477059B2 JP548889A JP548889A JPH0477059B2 JP H0477059 B2 JPH0477059 B2 JP H0477059B2 JP 548889 A JP548889 A JP 548889A JP 548889 A JP548889 A JP 548889A JP H0477059 B2 JPH0477059 B2 JP H0477059B2
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- weight
- gold
- less
- product
- 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
Links
- 229910045601 alloy Inorganic materials 0.000 claims description 32
- 239000000956 alloy Substances 0.000 claims description 32
- 229910001020 Au alloy Inorganic materials 0.000 claims description 29
- 239000010931 gold Substances 0.000 claims description 21
- 239000011572 manganese Substances 0.000 claims description 21
- 239000003353 gold alloy Substances 0.000 claims description 20
- 239000010410 layer Substances 0.000 claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910001316 Ag alloy Inorganic materials 0.000 claims 4
- 229910017398 Au—Ni Inorganic materials 0.000 claims 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 4
- 239000004332 silver Substances 0.000 claims 4
- 229910017052 cobalt Inorganic materials 0.000 claims 2
- 239000010941 cobalt Substances 0.000 claims 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 description 11
- 238000005266 casting Methods 0.000 description 6
- 239000002932 luster Substances 0.000 description 6
- 239000003086 colorant Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910000640 Fe alloy Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910000914 Mn alloy Inorganic materials 0.000 description 3
- 229910000960 colored gold Inorganic materials 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 229910018669 Mn—Co Inorganic materials 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- PQTCMBYFWMFIGM-UHFFFAOYSA-N gold silver Chemical compound [Ag].[Au] PQTCMBYFWMFIGM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 229910002708 Au–Cu Inorganic materials 0.000 description 1
- 229910017390 Au—Fe Inorganic materials 0.000 description 1
- 229910000925 Cd alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910017770 Cu—Ag Inorganic materials 0.000 description 1
- 229910018054 Ni-Cu Inorganic materials 0.000 description 1
- 229910003286 Ni-Mn Inorganic materials 0.000 description 1
- 229910003291 Ni–Mn–Fe Inorganic materials 0.000 description 1
- 229910018481 Ni—Cu Inorganic materials 0.000 description 1
- 229910018539 Ni—Mn—Co Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- QRJOYPHTNNOAOJ-UHFFFAOYSA-N copper gold Chemical compound [Cu].[Au] QRJOYPHTNNOAOJ-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NPEWZDADCAZMNF-UHFFFAOYSA-N gold iron Chemical compound [Fe].[Au] NPEWZDADCAZMNF-UHFFFAOYSA-N 0.000 description 1
- MSNOMDLPLDYDME-UHFFFAOYSA-N gold nickel Chemical compound [Ni].[Au] MSNOMDLPLDYDME-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
- Adornments (AREA)
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、貴金属装飾品製造に関連する光輝あ
る茶褐色に着色した金合金製品及びその製造方法
に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a bright brown-colored gold alloy product related to the production of precious metal ornaments and a method for producing the same.
〈従来の技術〉
従来、純金は、極めて柔らかいので、各種の使
用条件に有つた硬さと色調変化を与えるために、
合金の状態で使用される場合が多く、金（Au）
合金は、金−銀（Au−Ag）合金、金−銅（Au
−Cu）合金、金−ニツケル（Au−Ni）合金、金
−鉄（Au−Fe）合金等として種々の用途に用い
られてきた。特に、Au−Ag系、Au−Cu系、Au
−Cu−Ag系、Au−Ni−Cu系の合金が装飾品と
しての用途に対応して多く使用され、Ag，Ni，
Cuの配合量により発色の度合いを調整すること
ができ、色も白、黄、赤の各色を呈することがで
きた。<Conventional technology> Conventionally, pure gold is extremely soft, so in order to give it the hardness and color change required for various usage conditions,
Gold (Au) is often used in the form of an alloy.
The alloys include gold-silver (Au-Ag) alloy, gold-copper (Au
-Cu) alloy, gold-nickel (Au-Ni) alloy, gold-iron (Au-Fe) alloy, etc., for various purposes. In particular, Au-Ag type, Au-Cu type, Au
-Cu-Ag-based and Au-Ni-Cu-based alloys are often used for decorative purposes, and Ag, Ni,
The degree of color development could be adjusted by adjusting the amount of Cu, and the colors could be white, yellow, and red.
また、近年、Au−Ai系、Au−Cd系の合金の
開発により色も紫、黄緑色が加わつた。 In addition, in recent years, purple and yellow-green colors have been added to the range of colors due to the development of Au-Ai and Au-Cd alloys.
〈発明が解決しようとする課題〉
しかし、上記のように白、黄、赤、紫、黄緑の
五色では、装飾品としての多色デザイン化を図る
上で限界があり、上記以外の有色Au合金の開発
が要望されていた。<Problem to be solved by the invention> However, as mentioned above, the five colors of white, yellow, red, purple, and yellow-green have limitations in creating multicolor designs for decorative items, and colored Au other than the above There was a demand for the development of an alloy.
〈課題を解決するための手段〉
本発明は上記に鑑み提案されたもので、
(イ) 純金（Au）、もしくは銀（Ag）含有量30重
量％以下のAu−Ag合金、もしくはニツケル
（Ni）含有量30重量％以下のAu−Ni合金と、
(ロ)マンガン（Mn）と
からなり、
上記(イ)の割合が95〜60重量％で、(ロ)の割合が５
〜40重量％である合金の加工品を、各々の合金の
融点以下の温度において、大気中もしくは大気の
酸素分圧より高いかまたは低い酸化雰囲気中で加
熱処理を施した後、空冷、水冷もしくは油冷を行
つて合金の加工品の表層部全体に選択酸化膜を形
成させることを特徴とする光輝ある茶褐色に着色
した金合金製品の及びその製造方法に関するもの
である。<Means for Solving the Problems> The present invention has been proposed in view of the above. ) Au-Ni alloy with a content of 30% by weight or less, and (b) manganese (Mn), where the proportion of (a) above is 95 to 60% by weight, and the proportion of (b) is 5% by weight.
~40% by weight alloy processed products are heat-treated at a temperature below the melting point of each alloy in the atmosphere or an oxidizing atmosphere higher or lower than the oxygen partial pressure of the atmosphere, and then air-cooled, water-cooled or The present invention relates to a gold alloy product colored in bright brown, and a method for manufacturing the same, which is characterized by forming a selective oxide film on the entire surface layer of the processed alloy product by oil cooling.
上記した(イ)と(ロ)とからなる金合金は、(イ)の割合
が95〜60重量％であり、(ロ)の割合が５〜40重量％
であるが、(ロ)のMnは加熱処理により茶褐色の被
膜（選択酸化層）を形成させるために添加する。
尚、この(ロ)のMnの添加割合が５重量％以下では
茶褐色の色調が薄く、美的価値が乏しいものとな
り、40重量％以上では金品位が低下して金合金製
品として市場的価値がない。 The gold alloy consisting of the above (a) and (b) has a proportion of (a) of 95 to 60% by weight and a proportion of (b) of 5 to 40% by weight.
However, (b) Mn is added to form a brown coating (selective oxidation layer) by heat treatment.
In addition, if the addition ratio of Mn (b) is less than 5% by weight, the brown color will be pale and the aesthetic value will be poor, and if it is more than 40% by weight, the gold quality will decrease and there will be no market value as a gold alloy product. .
また、上記した(イ)と(ロ)とからなる金合金に加
え、(ハ)FeもしくはCoを加えてもよい。 Furthermore, in addition to the gold alloy consisting of (a) and (b) described above, (c) Fe or Co may be added.
上記した(イ)と(ロ)と(ハ)とからなる金合金は、(イ)
の
割合が95〜60重量％であり、(ロ)と(ハ)の割合が５〜
４重量％であるが、(ロ)、(ハ)を複合添加することに
より黒味を帯びた色調の茶褐色の被膜（選択酸化
層）が形成され、黄金色の金合金とのコントラス
トが際立つて装飾的価値が向上するのである。
尚、前記(イ)と(ロ)とからなる金合金と同様に(ロ)と(
ハ)
の割合の添加割合が５重量％以下では前記金合金
と同様に色調が薄く、40重量％以上では金品位が
低下する。 The gold alloy consisting of the above (a), (b) and (c) is (a)
The proportion of (b) and (c) is 95 to 60% by weight, and the proportion of (b) and (c) is 5 to 60% by weight.
4% by weight, but by adding (b) and (c) in combination, a dark brown film (selective oxidation layer) with a blackish tone is formed, and the contrast with the golden gold alloy stands out. This improves the decorative value.
In addition, similar to the gold alloy consisting of (a) and (b) above, (b) and (b)
C)
If the addition ratio is less than 5% by weight, the color tone will be pale like the gold alloy described above, and if it is more than 40% by weight, the gold quality will decrease.
そして、各合金における選択酸化層は、上記し
た組成の金合金組成物を真空または不活性ガス雰
囲気中において水冷式の銅ルツボを備えたアーク
溶解炉、高周波溶解炉等により溶製することによ
り得られる。 The selective oxidation layer in each alloy can be obtained by melting a gold alloy composition having the composition described above in a vacuum or an inert gas atmosphere in an arc melting furnace, high frequency melting furnace, etc. equipped with a water-cooled copper crucible. It will be done.
上記した(イ)と(ロ)とからなる金合金、(イ)と(ロ)と
(ハ)
とからなる金合金は、具体的には
Au−Mn合金、
Au−Mn−Fe合金、
Au−Mn−Co合金、
Au−Ag−Mn合金、
Au−Ag−Mn−Fe合金、
Au−Ag−Mn−Co合金、
Au−Ni−Mn合金、
Au−Ni−Mn−Fe合金、
Au−Ni−Mn−Co合金である。 A gold alloy consisting of the above (a) and (b), (a) and (b)
(c)
Specifically, the gold alloy consisting of Au-Mn alloy, Au-Mn-Fe alloy, Au-Mn-Co alloy, Au-Ag-Mn alloy, Au-Ag-Mn-Fe alloy, Au-Ag- These are Mn-Co alloy, Au-Ni-Mn alloy, Au-Ni-Mn-Fe alloy, and Au-Ni-Mn-Co alloy.
また、通常、一回の溶解量は、50〜100g程度
が適当であるが、さらに多くても支障はない。 Further, the amount of dissolution at one time is usually about 50 to 100 g, but there is no problem even if the amount is even larger.
上記のように溶製した各合金のインゴツトを真
空もしくは不活性ガス、例えばアルゴンガス雰囲
気中において溶解し、マグネシア、ジルコン、ア
ルミナ、ムライト、シリカ等で作られた鋳型へ鋳
造する。この場合、鋳造時に不活性ガスによる加
圧もしくは遠心力を利用して鋳型内の空洞（キヤ
ビテイ）への充填性を良好にすることが望まし
い。 The ingots of each alloy produced as described above are melted in vacuum or in an inert gas atmosphere, such as argon gas, and cast into a mold made of magnesia, zircon, alumina, mullite, silica, or the like. In this case, it is desirable to use pressurization with an inert gas or centrifugal force during casting to improve filling of the cavity in the mold.
上記のように鋳造した後に得られた製品には、
ヤスリがけ、キサゲ、砥石研磨、バフ研磨を施し
た後、大気中もしくは大気の酸素分圧より高いか
または低い酸化雰囲気中で、通常は800〜900℃で
５〜10分加熱した後、空冷、水冷もしくは油冷を
行つて、本発明の光輝ある茶褐色に着色する金合
金が得られる。 The product obtained after casting as above includes:
After sanding, scraping, whetstone polishing, and buffing, it is heated in the atmosphere or in an oxidizing atmosphere higher or lower than the oxygen partial pressure of the atmosphere, usually at 800 to 900℃ for 5 to 10 minutes, and then air cooled. By performing water cooling or oil cooling, the bright brown colored gold alloy of the present invention is obtained.
上記した加熱工程は、大気中において行うもの
でよく、また、加熱温度は各合金の融点以下の温
度ならば任意に、加熱時間についても任意に変え
ても構わない。 The above-described heating step may be performed in the atmosphere, and the heating temperature may be arbitrarily changed as long as it is below the melting point of each alloy, and the heating time may also be changed arbitrarily.
また、上記した冷却工程は、各種の塩水溶液ま
たは稀酸、稀アルカリ水溶液中での冷却でもよ
い。 Further, the cooling step described above may be performed by cooling in various salt aqueous solutions, dilute acid, or dilute alkali aqueous solutions.
上記した発色処理が済んだ時点で形成された茶
褐色の光沢度が不充分であれば、再度軽くバフ研
磨を行つた後、都市ガス、プロパンガス等による
ガスバーナーの炎を製品の表面に短時間あてて、
つや出しするとよい。 If the luster of the brown color formed after the above coloring treatment is insufficient, lightly buff it again and then heat the flame of a gas burner using city gas, propane gas, etc. on the surface of the product for a short time. Guess it,
It is best to polish it.
ところで、本発明の加熱による発色処理は、加
工品の大きさにより異なるが、かなり広い範囲に
とることが可能であり、加熱温度は大気雰囲気下
では300〜1000℃で加熱時間は長くするほど茶褐
色層が厚くなるので、より茶褐色の度合は増す。 By the way, the coloring treatment by heating of the present invention varies depending on the size of the processed product, but it can be applied over a fairly wide range, and the heating temperature is 300 to 1000°C in the air, and the longer the heating time, the browner the product becomes. As the layer becomes thicker, the degree of brownishness increases.
従つて、本発明の茶褐色に着色した金合金の作
成者は、所望の茶褐色の度合に応じて加熱条件を
調整すればよい。 Therefore, the creator of the brown-colored gold alloy of the present invention can adjust the heating conditions depending on the desired degree of brown color.
さらに、本発明の構成の範囲内において、
Mn，Co，Feの量を調整することによつて、例え
ば茶褐色に黒色系を付加した色の調整を行うこと
も可能である。 Furthermore, within the scope of the configuration of the present invention,
By adjusting the amounts of Mn, Co, and Fe, it is also possible to adjust the color, for example, adding black to brown.
通常の加熱時間は１〜10分ほどであり、指輪、
ブローチ等の小さな物では１〜２分、少し大きな
物でも３〜５分で充分のようである。 The normal heating time is about 1 to 10 minutes, and the ring,
It seems that 1 to 2 minutes is sufficient for small items such as brooches, and 3 to 5 minutes for slightly larger items.
〈実施例〉
最も一般的なAu品位の18カラツト（Au＝75重
量％）のAu合金について実施した例を以下に示
した。<Example> The following is an example in which an Au alloy of 18 karat (Au = 75% by weight), which is the most common Au grade, was used.
実施例 １
Au合金の配合
純Au 30g（75重量％）
電解Mn 5g（12.5重量％）
電解Fe 5g（12.5重量％）
上記配合のものをアルゴンガス雰囲気中におい
て、アーク溶解炉で溶製し、Au−Mn−Fe合金
を得た。上記Au−Mn−Fe合金を真空中で遠心
鋳造を行つて得られた鋳造品（指輪）にヤスリ掛
け、バフ研磨をして表面を仕上げた後、大気中で
850℃で２分間均熱して発色処理した後、水冷し
た。茶褐色層を形成するAuを含有するMnとFe
の複合酸化物の層の厚さは2μmであつた。Example 1 Au alloy composition Pure Au 30g (75% by weight) Electrolytic Mn 5g (12.5% by weight) Electrolytic Fe 5g (12.5% by weight) The above composition was melted in an arc melting furnace in an argon gas atmosphere, An Au-Mn-Fe alloy was obtained. The above Au-Mn-Fe alloy was centrifugally cast in a vacuum, the resulting casting (ring) was sanded and buffed to finish the surface, and then placed in the atmosphere.
After soaking at 850°C for 2 minutes to develop color, the mixture was cooled with water. Mn and Fe containing Au forming a brown layer
The thickness of the composite oxide layer was 2 μm.
この層にバフ研磨を施し、つや出しを行つたと
ころ、より美しい光沢を有する茶褐色のAu合金
製品が得られた。 When this layer was buffed and polished, a brownish-brown Au alloy product with a more beautiful luster was obtained.
実施例 ２
Au合金の配合
純Au 30g（75重量％）
電解Mn 10g（25重量％）
実施例１と同様の溶製方法によりAu−Mn合金
を得た。その後、遠心鋳造を行つて得られた鋳造
品（指輪）にヤスリ掛け、バフ研磨をして表面を
仕上げた後、大気中で900℃で２分間均熱して発
色処理した後、水冷した。茶褐色層の厚さは１〜
2μmであり、茶褐色層は、Mnの酸化物にAuが含
まれた組成物であつた。Example 2 Blend of Au alloy Pure Au 30g (75% by weight) Electrolytic Mn 10g (25% by weight) An Au-Mn alloy was obtained by the same melting method as in Example 1. Thereafter, the cast product (ring) obtained by centrifugal casting was sanded and buffed to finish the surface, soaked in the air at 900°C for 2 minutes to develop color, and then cooled with water. The thickness of the brown layer is 1~
2 μm, and the brown layer was a composition containing Au in Mn oxide.
この層にバフ研磨を施し、つや出しを行つたと
ころ、より美しい光沢を有する茶褐色に着色した
Au合金に製品が得られた。 When this layer was buffed and polished, it was colored brown with a more beautiful luster.
A product made of Au alloy was obtained.
実施例 ３
Au合金の配合
純Au 30g（75重量％）
電解Mn 8g（20重量％）
電解Fe 2g（５重量％）
上記と同一の方法で溶製し、鋳造して得られた
鋳造品（指輪）を900℃で２分間均熱して発色処
理した後、空冷した。茶褐色層の厚さは2.5μmで
あり、茶褐色層は、MnとFeの複合酸化物にAu
が含まれた組成物であつた。Example 3 Composition of Au alloy Pure Au 30g (75% by weight) Electrolytic Mn 8g (20% by weight) Electrolytic Fe 2g (5% by weight) A cast product obtained by melting and casting in the same manner as above ( The ring) was soaked at 900°C for 2 minutes to develop color, and then cooled in the air. The thickness of the brown layer is 2.5μm, and the brown layer consists of composite oxide of Mn and Fe with Au.
The composition contained
この層にバフ研磨を施し、つや出しを行つたと
ころ、より美しい光沢を有する茶褐色に着色した
Au合金に製品が得られた。 When this layer was buffed and polished, it was colored brown with a more beautiful luster.
A product made of Au alloy was obtained.
実施例 ４
Au合金の配合
純Au 30g（75重量％）
電解Mn 6g（15重量％）
純CO 4g（10重量％）
上記と同一の方法で溶製、鋳造、加熱による発
色処理を行つた。次いで、バフ研磨によるつや出
しを行つたところ、美しい光沢を有する茶褐色に
着色したAu合金の製品が得られた。Example 4 Composition of Au alloy Pure Au 30g (75% by weight) Electrolytic Mn 6g (15% by weight) Pure CO 4g (10% by weight) Melting, casting, and coloring treatment by heating were performed in the same manner as above. Next, when polishing was performed by buffing, a brown-colored Au alloy product with beautiful luster was obtained.
実施例 ５
Au合金の配合
純Au 30g（75重量％）
純Ag 4g（10重量％）
電解Mn 4g（10重量％）
電解Fe 2g（５重量％）
上記と同一の方法で溶製、鋳造、加熱による発
色処理を行つた。次いで、バフ研磨によるつや出
しを行つたところ、美しい光沢を有する茶褐色に
着色したAu合金の製品が得られた。Example 5 Composition of Au alloy Pure Au 30g (75% by weight) Pure Ag 4g (10% by weight) Electrolytic Mn 4g (10% by weight) Electrolytic Fe 2g (5% by weight) Melting, casting, Color development treatment was performed by heating. Next, when polishing was performed by buffing, a brown-colored Au alloy product with beautiful luster was obtained.
〈発明の効果〉
以上説明したように、本発明の金合金は、従
来、赤、黄、黄緑、白、紫の５色であつたAu合
金に、茶褐色を加えることになり、貴金属装飾品
としてより多彩なデザインが可能になるととも
に、装飾品の高付加価値化につながる。<Effects of the Invention> As explained above, the gold alloy of the present invention adds a brown color to the conventional Au alloy, which has five colors of red, yellow, yellow-green, white, and purple, and is suitable for precious metal ornaments. This not only makes it possible to create a wider variety of designs, but also leads to higher added value for decorative items.
また、本発明の光輝ある茶褐色に着色する金合
金の製造法は、特殊な原材料及び処理装置を必要
としないので、適用性は極めて高い。 In addition, the method for producing a gold alloy that is colored bright brown according to the present invention does not require special raw materials or processing equipment, and therefore has extremely high applicability.
Claims (1)
30重量％以下のAu−Ag合金、もしくはニツケ
ル（Ni）含有量30重量％以下のAu−Ni合金
と、 (ロ) マンガンMnと からなり 上記(イ)の割合が95〜60重量％で、(ロ)の割合が５
〜40重量％である合金の加工品の表層部全体に選
択酸化層を形成してなることを特徴とする光輝あ
る茶褐色に着色した金合金製品。 ２ (イ) 純金（Au）、もしくは銀（Ag）含有量
30重量％以下のAu−Ag合金、もしくはニツケ
ル（Ni）含有量30重量％以下のAu−Ni合金
と、 (ロ)マンガンMnと からなり、 上記(イ)の割合が95〜60重量％で、(ロ)の割合が５
〜40重量％である合金の加工品を、各々の合金の
融点以下の温度において、大気中もしくは大気の
酸素分圧より高いかまたは低い酸化雰囲気中で加
熱処理を施した後、空冷、水冷もしくは油冷を行
つて合金の加工品の表層部全体に選択酸化層を形
成させることを特徴とする光輝ある茶褐色に着色
した金合金製品の製造方法。 ３ (イ) 純金（Au）、もしくは銀（Ag）含有量
30重量％以下のAu−Ag合金、もしくはニツケ
ル（Ni）含有量30重量％以下のAu−Ni合金
と、 (ロ)マンガン（Mn）と、 (ハ)鉄（Fe）もしくはコバルト（Co）と からなり、 上記(イ)の割合が95〜60重量％で、(ロ)と(ハ)の割合
が５〜40重量％である合金の加工品の表層部全体
に選択酸化層を形成してなることを特徴とする光
輝ある茶褐色に着色した金合金製品。 ４ (イ) 純金（Au）、もしくは銀（Ag）含有量
30重量％以下のAu−Ag合金、もしくはニツケ
ル（Ni）含有量30重量％以下のAu−Ni合金
と、 (ロ)マンガン（Mn）と、 (ハ)鉄（Fe）もしくはコバルト（Co）と からなり、 上記(イ)の割合が95〜60重量％で、(ロ)と(ハ)の割合
が５〜40重量％である合金の加工品を、各々の合
金の融点以下の温度において、大気中もしくは大
気の酸素分圧より高いかまたは低い酸化雰囲気中
で加熱処理を施した後、空冷、水冷もしくは油冷
を行つて合金の加工品の表層部全体に選択酸化層
を形成させることを特徴とする光輝ある茶褐色に
着色した金合金製品の製造方法。[Claims] 1. (a) Pure gold (Au) or silver (Ag) content
It consists of an Au-Ag alloy containing 30% by weight or less, or an Au-Ni alloy containing nickel (Ni) of 30% by weight or less, and (b) manganese Mn, with the proportion of (a) above being 95 to 60% by weight, The ratio of (b) is 5
A gold alloy product colored in a bright brown color, characterized by forming a selective oxidation layer on the entire surface layer of a processed alloy product containing up to 40% by weight. 2 (a) Pure gold (Au) or silver (Ag) content
It consists of an Au-Ag alloy containing 30% by weight or less, or an Au-Ni alloy containing 30% by weight or less of nickel (Ni), and (b) manganese Mn, with the proportion of (a) above being 95 to 60% by weight. , the ratio of (b) is 5
~40% by weight alloy processed products are heat-treated at a temperature below the melting point of each alloy in the atmosphere or an oxidizing atmosphere higher or lower than the oxygen partial pressure of the atmosphere, and then air-cooled, water-cooled or A method for producing a gold alloy product colored in a bright brown color, characterized by forming a selective oxidation layer on the entire surface layer of a processed alloy product by performing oil cooling. 3 (a) Pure gold (Au) or silver (Ag) content
Au-Ag alloy containing 30% by weight or less, or Au-Ni alloy containing 30% by weight or less of nickel (Ni), (b) manganese (Mn), and (c) iron (Fe) or cobalt (Co). A selective oxidation layer is formed on the entire surface layer of an alloy processed product in which the proportion of (a) above is 95 to 60% by weight and the proportions of (b) and (c) are 5 to 40% by weight. A gold alloy product colored in a bright brown color. 4 (a) Pure gold (Au) or silver (Ag) content
Au-Ag alloy containing 30% by weight or less, or Au-Ni alloy containing 30% by weight or less of nickel (Ni), (b) manganese (Mn), and (c) iron (Fe) or cobalt (Co). A processed product of an alloy in which the proportion of (a) above is 95 to 60% by weight and the proportions of (b) and (c) are 5 to 40% by weight is processed at a temperature below the melting point of each alloy. After heat treatment in the atmosphere or in an oxidizing atmosphere higher or lower than the oxygen partial pressure of the atmosphere, air cooling, water cooling, or oil cooling is performed to form a selective oxidation layer on the entire surface layer of the processed alloy product. A manufacturing method for gold alloy products that are colored in a distinctive bright brown color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP548889A JPH02185934A (en) | 1989-01-12 | 1989-01-12 | Gold alloy capable of coloring bright brown and coloring method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP548889A JPH02185934A (en) | 1989-01-12 | 1989-01-12 | Gold alloy capable of coloring bright brown and coloring method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02185934A JPH02185934A (en) | 1990-07-20 |
| JPH0477059B2 true JPH0477059B2 (en) | 1992-12-07 |
Family
ID=11612629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP548889A Granted JPH02185934A (en) | 1989-01-12 | 1989-01-12 | Gold alloy capable of coloring bright brown and coloring method therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02185934A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04183836A (en) * | 1990-11-19 | 1992-06-30 | Seiko Instr Inc | Surface hardened colored gold alloy |
| JP2001335860A (en) * | 2000-05-26 | 2001-12-04 | Tokuriki Honten Co Ltd | Gold alloy for ornament |
| FR2815044B1 (en) * | 2000-10-06 | 2003-03-21 | Cookson Metaux Precieux Sa | 18K GRAY GOLD ALLOY FOR JEWELERY, NICKEL FREE AND PALLADIUM FREE |
| CN105132856B (en) * | 2015-08-24 | 2017-12-22 | 格兰德电气有限公司 | The handling process of rotor surface |
-
1989
- 1989-01-12 JP JP548889A patent/JPH02185934A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02185934A (en) | 1990-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH058266B2 (en) | ||
| JPH02225655A (en) | Gold alloy that is colored shiny black and its coloring method | |
| US5139739A (en) | Gold alloy for black coloring, processed article of black colored gold alloy and method for production of the processed article | |
| JPH0717974B2 (en) | Gold alloy with shiny grey-black and black coloring and its coloring method | |
| JPH0477059B2 (en) | ||
| JPH0563532B2 (en) | ||
| JPH0563533B2 (en) | ||
| JPH058267B2 (en) | ||
| JPS62182237A (en) | Gold alloy | |
| JP3389361B2 (en) | Decorative member and method of manufacturing the same | |
| US3998633A (en) | Alloy and method for producing the same | |
| JPH0477058B2 (en) | ||
| JPH11264036A (en) | Gold-aluminum alloy, its production and ornament or accessory using it | |
| JPH04183836A (en) | Surface hardened colored gold alloy | |
| JPH0533084A (en) | Lustrous blackened gold alloy and production thereof | |
| US5037496A (en) | Cobalt-containing precious metal material for decoration | |
| US3958322A (en) | Method of casting an alloy having the appearance of gold | |
| JP2009057625A (en) | White gold alloy, manufacturing method thereof, and jewelry using white gold alloy | |
| KR20010008252A (en) | Gold alloy and coloring method for coloring glossy black | |
| JPH0657356A (en) | Gold alloy for decoration | |
| JP2001207226A (en) | 18 gold alloy | |
| JP3158248B2 (en) | Silver alloy decorative member that exhibits pink color | |
| JPH0551669A (en) | Material for decoration | |
| JPH02185936A (en) | Gold alloy having carmine color | |
| JP2848883B2 (en) | Jewelry composite materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |