CN115074573A - High-oxidation-resistance color-changing silver-based alloy for jewelry and preparation method thereof - Google Patents
High-oxidation-resistance color-changing silver-based alloy for jewelry and preparation method thereof Download PDFInfo
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- CN115074573A CN115074573A CN202210864146.5A CN202210864146A CN115074573A CN 115074573 A CN115074573 A CN 115074573A CN 202210864146 A CN202210864146 A CN 202210864146A CN 115074573 A CN115074573 A CN 115074573A
- Authority
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- China
- Prior art keywords
- silver
- based alloy
- jewelry
- oxidation
- high oxidation
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- 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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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 93
- 239000004332 silver Substances 0.000 title claims abstract description 93
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 76
- 239000000956 alloy Substances 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 230000003647 oxidation Effects 0.000 claims abstract description 31
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000008859 change Effects 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 238000002845 discoloration Methods 0.000 claims description 8
- 230000003064 anti-oxidating effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007888 film coating Substances 0.000 claims description 6
- 238000009501 film coating Methods 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009713 electroplating Methods 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910000636 Ce alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- LVMBEXJKZGJYRH-UHFFFAOYSA-N [Ag].[Ce] Chemical compound [Ag].[Ce] LVMBEXJKZGJYRH-UHFFFAOYSA-N 0.000 description 1
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- OVMJVEMNBCGDGM-UHFFFAOYSA-N iron silver Chemical compound [Fe].[Ag] OVMJVEMNBCGDGM-UHFFFAOYSA-N 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- UYKQQBUWKSHMIM-UHFFFAOYSA-N silver tungsten Chemical compound [Ag][W][W] UYKQQBUWKSHMIM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/06—Alloys based on silver
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
- A44C27/002—Metallic materials
- A44C27/003—Metallic alloys
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
- A44C27/005—Coating layers for jewellery
- A44C27/007—Non-metallic coatings
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Adornments (AREA)
Abstract
The invention discloses a high oxidation resistance color change silver-based alloy for jewelry and a preparation method thereof, belonging to the field of public facilities and comprising silver, copper and iron; the components comprise, by weight, 80-90% of silver, 0.1-4% of copper, 1-5% of aluminum and 5-10% of iron. The invention relates to a high oxidation resistance color-changing silver-based alloy for jewelry and jewelry products and a preparation method thereof, which utilize silver, copper, iron and aluminum as materials to prepare the silver-based alloy with high strength, and simultaneously adjust the comprehensive performance of the silver-based alloy through different component proportions so as to meet the wide application of the silver-based alloy in jewelry and jewelry, and attach an oxidation resistance film on the surface to prevent the oxidation phenomenon after long-time use, thereby having good use effect and application prospect.
Description
Technical Field
The invention belongs to the field of public facilities, and particularly relates to a high-oxidation-resistance color-changing silver-based alloy for jewelry and a preparation method thereof.
Background
Silver-based alloys are alloys based on silver with other metals, and the silver alloys are of many kinds, the most representative of which are: silver-copper alloy, silver-magnesium alloy, silver-nickel alloy, silver-tungsten alloy, silver-iron alloy and silver-cerium alloy. Silver-based alloys are widely used in the brazing process of metal electrical contact materials and various materials, and they are still one of the most used noble metal ornament materials.
However, in the prior art, the silver-based alloy is easy to oxidize and discolor on the surface after long-term use, which not only affects the service life of the product, but also jeopardizes the safety of the equipment made of silver-based metal after long-term use. This phenomenon is particularly common in jewelry made of silver-based alloys, and therefore, we propose a silver-based alloy with high oxidation resistance and discoloration resistance for jewelry and jewelry products and a preparation method thereof to solve the above problems.
Disclosure of Invention
Aiming at one or more of the defects or the improvement requirements in the prior art, the invention provides the high-oxidation-resistance color-changing silver-based alloy for jewelry and the preparation method thereof, and the silver-based alloy has the advantages of good oxidation resistance and color-changing performance, simple preparation process and the like.
In order to achieve the purpose, the invention provides a high oxidation-resistant color-changing silver-based alloy for jewelry, which comprises silver, copper and iron;
the components comprise 80-90% of silver, 0.1-4% of copper, 1-5% of aluminum and 5-10% of iron by weight percentage;
the alloy also comprises other metal mixtures, and the weight percentage of the other metal mixtures is 0.01-10%; and is
And an anti-oxidation film is formed on the outer surface of the silver in an electroplating way.
As a further improvement of the invention, according to the components in parts by weight, the anti-oxidation film is a silicon dioxide film; and is provided with
And electroplating is adopted between the silicon dioxide film and the silver.
As a further development of the invention, the further metal mixture is one or more of titanium, zirconium, indium and cobalt.
According to another invention, the preparation of the high oxidation and discoloration resistant silver-based alloy is also provided; which comprises the following steps:
s1, cleaning and drying the metal raw materials according to the weight ratio, and then sequentially adding the metal raw materials into a mixing furnace for ingot casting;
s2, taking out the metal after ingot casting and forming, and cooling the metal to obtain the silver-based alloy;
s3, quenching the silver-based alloy obtained in the step S2 to obtain the silver-based alloy in a stable state;
and S4, finishing the preparation process of the silver-based alloy.
As a further improvement of the invention, the method also comprises the following steps:
s1, carrying out secondary heating on the silver-based alloy obtained in the step S4, and carrying out film coating treatment on the silver-based alloy;
s2, fully cooling the silver-based alloy after film coating to obtain an antioxidant silver-based alloy;
and S3, finishing the preparation of the anti-oxidation silver-based alloy.
As a further improvement of the invention, the temperature of the cast ingot is not lower than 1200 ℃.
As a further improvement of the present invention, in step S1, after each raw material is added to the smelting furnace, each raw material needs to be stirred; the stirring time is not less than 10min, and the stirring speed is not less than 300 r/min.
According to another aspect of the invention, there is also provided a jewelry item based on a silver-based alloy, made using the above-mentioned high oxidation discoloration-resistant silver-based alloy.
The above-described improved technical features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the technical scheme conceived by the invention has the following beneficial effects:
the invention relates to a high oxidation resistance color-changing silver-based alloy for jewelry and jewelry products and a preparation method thereof, which utilize silver, copper, iron and aluminum as materials to prepare the silver-based alloy with high strength, and simultaneously adjust the comprehensive performance of the silver-based alloy through different component proportions so as to meet the wide application of the silver-based alloy in jewelry and jewelry, and attach an oxidation resistance film on the surface to prevent the oxidation phenomenon after long-time use, thereby having good use effect and application prospect.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or a positional relationship that is indicative of but not limiting of the present invention, merely for the convenience of describing and simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example (b):
the high oxidation resistance discoloring silver-based alloy for jewelry in the preferred embodiment of the invention comprises 80-90% of silver, 0.1-4% of copper, 1-5% of aluminum and 5-10% of iron by weight.
Further, the metal-containing paint also comprises other metal mixtures, and the weight percentage of the other metal mixtures is 0.01-10%.
Further, an oxidation preventing film is formed on the outer surface of the silver by plating.
According to the weight parts, the anti-oxidation film is a silicon dioxide film; and electroplating is adopted between the silicon dioxide film and the silver.
In the actual set-up process, it is preferred that the other metal mixture is one or more of titanium, zirconium, indium and cobalt.
On the basis, the invention also provides a preparation method of the high oxidation-resistant color-changing silver-based alloy; which comprises the following steps:
s1, cleaning and drying the metal raw materials according to the weight ratio, and then sequentially adding the metal raw materials into a mixing furnace for ingot casting;
s2, taking out the metal after ingot casting and forming, and cooling the metal to obtain the silver-based alloy;
and S3, quenching the silver-based alloy obtained in the step S2 to obtain the silver-based alloy in a stable state.
And S4, finishing the preparation process of the silver-based alloy.
In addition, the preparation process of the silver-based alloy further comprises the following steps:
s1, carrying out secondary heating on the silver-based alloy obtained in the step S4, and carrying out film coating treatment on the silver-based alloy;
s2, fully cooling the silver-based alloy after film coating to obtain the oxidation-resistant silver-based alloy
And S3, finishing the preparation of the anti-oxidation silver-based alloy.
Further, the temperature of the ingot is not lower than 1200 ℃.
In the actual setting process, in step S1, after each raw material is added to the smelting furnace, each raw material needs to be stirred; the stirring time is not less than 10min, and the stirring speed is not less than 300 r/min.
Example 1
According to the weight percentage, the components are 90 percent of silver, 1 percent of copper, 3 percent of aluminum and 5 percent of iron; 1% of other metal materials, and then the silver-based alloy with high discoloration resistance and new performance is obtained by the weight proportion, but the strength is general, and the silver-based alloy can be used as jewelry and jewelry to be applied to artware.
Example 2
According to the weight percentage, the components are silver 95%, copper 0.01%, aluminum 5% and iron 4%; 0.09% of other metal materials, and further the silver-based alloy with high discoloration resistance and new performance is obtained by the weight proportion, has higher strength and hardness, and can be used as jewelry directly worn.
On the basis, the invention also provides a jewelry based on the silver-based alloy, which is made of the silver-based alloy with high oxidation and color change resistance.
The invention relates to a high oxidation resistance color-changing silver-based alloy for jewelry and jewelry products and a preparation method thereof, which utilize silver, copper, iron and aluminum as materials to prepare the silver-based alloy with high strength, and simultaneously adjust the comprehensive performance of the silver-based alloy through different component proportions so as to meet the wide application of the silver-based alloy in jewelry and jewelry, and attach an oxidation resistance film on the surface to prevent the oxidation phenomenon after long-time use, thereby having good use effect and application prospect.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A high oxidation-resistant color-changing silver-based alloy for jewelry is characterized by comprising silver, copper and iron;
the components comprise 80-90% of silver, 0.1-4% of copper, 1-5% of aluminum and 5-10% of iron by weight percentage;
the alloy also comprises other metal mixtures, and the weight percentage of the other metal mixtures is 0.01-10%; and is
And an anti-oxidation film is formed on the outer surface of the silver in an electroplating way.
2. The silver-based alloy with high oxidation resistance and color change for jewelry and jewelry as claimed in claim 1, wherein the oxidation resistant film is a silicon dioxide film; and is
And electroplating is adopted between the silicon dioxide film and the silver.
3. The silver-based alloy with high oxidation and color change resistance for jewelry and jewelry as claimed in claim 2, wherein said other metal mixture is one or more of titanium, zirconium, indium and cobalt.
4. A method for preparing a high oxidation resistance color-changing silver-based alloy for jewelry, which is characterized by being used for preparing the high oxidation resistance color-changing silver-based alloy of any one of claims 1 to 3; which comprises the following steps:
s1, cleaning and drying the metal raw materials according to the weight ratio, and then sequentially adding the metal raw materials into a mixing furnace for ingot casting;
s2, taking out the metal after ingot casting and forming, and cooling the metal to obtain the silver-based alloy;
and S3, quenching the silver-based alloy obtained in the step S2 to obtain the silver-based alloy in a stable state.
And S4, finishing the preparation process of the silver-based alloy.
5. The method for preparing the silver-based alloy with high oxidation resistance and color change for jewelry according to claim 4, further comprising the following steps:
s1, carrying out secondary heating on the silver-based alloy obtained in the step S4, and carrying out film coating treatment on the silver-based alloy;
s2, fully cooling the silver-based alloy after film coating to obtain the oxidation-resistant silver-based alloy
And S3, finishing the preparation of the anti-oxidation silver-based alloy.
6. The silver-based alloy with high oxidation and discoloration resistance for jewelry and jewelry items and the preparation method thereof according to claim 5, wherein the temperature of the ingot is not lower than 1200 ℃.
7. The method for preparing a silver-based alloy having high oxidation resistance and discoloration for jewelry according to claim 6, wherein in step S1, after the raw materials are added to a melting furnace, the raw materials are stirred; the stirring time is not less than 10min, and the stirring speed is not less than 300 r/min.
8. An item of jewellery based on a silver-based alloy, characterised in that: the silver-based alloy is prepared from the high oxidation and discoloration resistance silver-based alloy as defined in any one of claims 1-3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210864146.5A CN115074573A (en) | 2022-07-21 | 2022-07-21 | High-oxidation-resistance color-changing silver-based alloy for jewelry and preparation method thereof |
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CN202210864146.5A CN115074573A (en) | 2022-07-21 | 2022-07-21 | High-oxidation-resistance color-changing silver-based alloy for jewelry and preparation method thereof |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006106282A1 (en) * | 2005-04-07 | 2006-10-12 | Carrs Of Sheffield (Manufacturing) Limited | Silver alloy compositions |
GB201411157D0 (en) * | 2013-06-21 | 2014-08-06 | Argentium Internat Ltd | Silver alloy compositions and processes |
CN107164651A (en) * | 2017-06-21 | 2017-09-15 | 广州番禺职业技术学院 | A kind of jewellery pink colour silver alloy and preparation method thereof |
CN109943745A (en) * | 2019-04-29 | 2019-06-28 | 邵明战 | A kind of anti-tarnishing silver alloy and preparation method thereof |
-
2022
- 2022-07-21 CN CN202210864146.5A patent/CN115074573A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006106282A1 (en) * | 2005-04-07 | 2006-10-12 | Carrs Of Sheffield (Manufacturing) Limited | Silver alloy compositions |
GB201411157D0 (en) * | 2013-06-21 | 2014-08-06 | Argentium Internat Ltd | Silver alloy compositions and processes |
CN107164651A (en) * | 2017-06-21 | 2017-09-15 | 广州番禺职业技术学院 | A kind of jewellery pink colour silver alloy and preparation method thereof |
CN109943745A (en) * | 2019-04-29 | 2019-06-28 | 邵明战 | A kind of anti-tarnishing silver alloy and preparation method thereof |
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Application publication date: 20220920 |
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