CN111206167A - Light purple rose gold with good toughness and preparation method thereof - Google Patents
Light purple rose gold with good toughness and preparation method thereof Download PDFInfo
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- CN111206167A CN111206167A CN202010120617.2A CN202010120617A CN111206167A CN 111206167 A CN111206167 A CN 111206167A CN 202010120617 A CN202010120617 A CN 202010120617A CN 111206167 A CN111206167 A CN 111206167A
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- 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
- C22C5/02—Alloys based on gold
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- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- 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
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Abstract
The invention provides light purple rose gold with good toughness, which takes white gold-based solid solution as an alloy matrix, and aluminum element reacts with the gold element in the alloy to form purple gold-aluminum compound particles which are dispersed and distributed in the alloy matrix. The alloy matrix is a white alloy matrix with good toughness, and segregation occurs during solidification of the alloy, so that purple compound particles formed by aluminum and gold in the alloy matrix are dispersed and distributed in the alloy matrix, the whole alloy presents light purple color, and the good toughness is maintained.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to light purple rose gold with good toughness and a preparation method thereof.
Background
Gold alloy jewelry, because of its very fashionable, beautiful color, is widely used in jewelry design and processing. At present, white K gold, yellow K gold, reddish rose gold and the like are common in the market. Wherein, the white K gold is mainly a gold-nickel alloy system, and the yellow K gold and rose gold are mainly a gold-silver-copper alloy system. The alloy system is mainly a solid solution of gold, and the alloy has good processability and toughness. Is widely accepted in the market.
With the increasing demand for color of ornaments, new color ornament materials are continuously developed. Among them, there is a document that a purple gold alloy is prepared and a binary gold-aluminum compound generated by the reaction of gold and aluminum is used to obtain a purple color tone, but the alloy is mainly a compound and is fragile in mechanical properties and limited in use.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the light purple rose gold with good toughness is manufactured.
In order to solve the technical problems, the invention adopts the technical scheme that:
a light purple rose gold with good toughness takes a white gold-based solid solution as an alloy matrix, and aluminum elements react with the gold elements in the alloy to form purple gold-aluminum compound particles which are dispersed and distributed in the alloy matrix.
Further, the content of the aluminum element is 10-20% by weight, and the particle size of the formed gold aluminum compound particles is 1-10 μm; the gold-based solid solution comprises silver element for forming white gold-based solid solution, and the content of the silver element in percentage by weight is 1-2%.
Further, the content of the aluminum element is 10-15% by weight.
Further, the gold-based solid solution also comprises a nickel element for alloy bleaching, and the content of the nickel element in percentage by weight is 2-5%.
Further, the gold-based solid solution also comprises a copper element for adjusting the toughness of the alloy, and the content of the copper element in percentage by weight is 5-10%.
Further, the gold-based solid solution also comprises silicon element for ensuring the fluidity of the alloy, wherein the weight percentage content of the silicon element is 0.1-1%, and the balance is gold.
Further, the light purple rose gold with good toughness is composed of the following components in percentage by weight: 10-15% of aluminum, 1.5-2% of silver, 3.5-5% of nickel, 7-10% of copper, 0.5-1% of silicon and the balance of gold.
A preparation method of light purple rose gold with good toughness comprises the following steps:
the method comprises the following steps: one or more of copper, nickel and silicon is mixed with silver and aluminum to prepare the intermediate alloy according to requirements.
Step two: and heating the gold blocks to be completely melted, and adding the intermediate alloy.
Step three: and after the die is reversed and formed, homogenizing and annealing the formed rough blank to obtain the light purple rose gold.
Further, in the third step, the conditions of the homogenizing annealing treatment are as follows: keeping the temperature for 10 to 50 hours at the temperature of 700 to 900 ℃.
Further, in the second step, the gold blocks are melted at 1100-1200 ℃, and heat preservation needs to be continued for 5-10 min after the intermediate alloy is melted.
The invention has the beneficial effects that: the alloy matrix is a white alloy matrix with good toughness, and segregation occurs during solidification of the alloy, so that purple compound particles formed by aluminum and gold in the alloy matrix are dispersed and distributed in the alloy matrix, the whole alloy presents light purple color, and the good toughness is maintained.
Drawings
The detailed structure of the invention is described in detail below with reference to the accompanying drawings
FIG. 1 is a microscopic structure diagram of a light purple rose gold with good toughness according to the present invention;
wherein, 1-white gold-based solid solution and 2-gold aluminum compound particles.
Detailed Description
The most key concept of the invention is as follows: aluminum and gold form purple compound particles in the alloy matrix by utilizing the segregation of the alloy during solidification, and the purple compound particles are dispersed and distributed in the alloy matrix.
In order to further explain the feasibility of the inventive concept, the detailed description of the embodiments according to the technical content, the constructional features, the objectives and the effects achieved will be described in detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, a light purple rose gold with good toughness uses a white gold-based solid solution as an alloy matrix, and aluminum element reacts with the gold element in the alloy to form purple gold-aluminum compound particles dispersed in the alloy matrix. Because the gold-based solid solution is white, the purple gold-aluminum compound particles are dispersed in the alloy matrix and then are light purple.
Example 2
On the basis of the embodiment 1, the content of the aluminum element is 10-20% by weight, and the particle size of the formed gold aluminum compound particles is 1-10 μm; the gold-based solid solution comprises silver element for forming white gold-based solid solution, and the content of the silver element in percentage by weight is 1-2%. The particle diameter of the gold-aluminum compound formed by combining aluminum and gold is small, and the gold-aluminum compound is uniformly dispersed in the alloy matrix without influencing the toughness of the alloy matrix. The silver and the copper form a white gold-based solid solution, and meanwhile, the corrosion resistance of the alloy can be improved after the silver is added.
Example 3
On the basis of the embodiment 2, the content of the aluminum element is 10-15% by weight.
Example 4
On the basis of the embodiment 3, the gold-based solid solution also comprises a nickel element for bleaching alloy, and the content of the nickel element is 2-5% by weight. The whiteness of the alloy matrix is improved by using nickel, and the gold-aluminum compound particles are more favorably dispersed and distributed in the alloy matrix to be light purple.
Example 5
On the basis of the embodiment 4, the gold-based solid solution also comprises a copper element for adjusting the toughness of the alloy, and the content of the copper element in percentage by weight is 5-10%.
Example 6
On the basis of the embodiment 5, the gold-based solid solution also comprises a silicon element for ensuring the fluidity of the alloy, and the content of the silicon element in percentage by weight is 0.1-1%. The added silicon element can ensure the fluidity of the alloy, and is convenient for processing and molding the jewelry.
Example 7
The light purple rose gold with good toughness is composed of the following components in percentage by weight: 15% aluminum, 1.5% silver, 3.5% nickel, 7.5% copper, 0.5% silicon, and the balance gold. The aluminum element reacts with the gold element in the alloy to form purple gold-aluminum compound particles which are dispersed and distributed in the alloy matrix.
Example 8
The light purple rose gold with good toughness is composed of the following components in percentage by weight: 10% aluminum, 1% silver, 2% nickel, 5% copper, 0.1% silicon, and the balance gold. The aluminum element reacts with the gold element in the alloy to form purple gold-aluminum compound particles which are dispersed and distributed in the alloy matrix.
Example 9
The light purple rose gold with good toughness is composed of the following components in percentage by weight: 20% of aluminum, 2% of silver, 5% of nickel, 10% of copper, 1% of silicon and the balance of gold. The aluminum element reacts with the gold element in the alloy to form purple gold-aluminum compound particles which are dispersed and distributed in the alloy matrix.
Example 10
A preparation method of light purple rose gold with good toughness comprises the following steps:
the method comprises the following steps: one or more of copper, nickel and silicon is mixed with silver and aluminum to prepare the intermediate alloy according to requirements.
Step two: and heating the gold blocks to 1100 ℃ in the crucible, adding the intermediate alloy after the gold blocks are completely melted, and keeping the temperature for 10min after the gold blocks are melted.
Step three: after the reverse die forming, the formed rough blank is subjected to homogenization annealing treatment at 700 ℃, and is kept for 50 hours to obtain the light purple rose gold.
Example 11
A preparation method of light purple rose gold with good toughness comprises the following steps:
the method comprises the following steps: one or more of copper, nickel and silicon is mixed with silver and aluminum to prepare the intermediate alloy according to requirements.
Step two: and heating the gold blocks to 1200 ℃ in a crucible, adding the intermediate alloy after the gold blocks are completely melted, and keeping the temperature for 5min after the gold blocks are melted.
Step three: after the reverse mould forming, the formed rough blank is subjected to homogenization annealing treatment at 900 ℃ and is kept for 10 hours to obtain the light purple rose gold.
Example 12
A preparation method of light purple rose gold with good toughness comprises the following steps:
the method comprises the following steps: one or more of copper, nickel and silicon is mixed with silver and aluminum to prepare the intermediate alloy according to requirements.
Step two: and heating the gold blocks to 1150 ℃ in a crucible, adding the intermediate alloy after the gold blocks are completely melted, and keeping the temperature for 7min after the gold blocks are melted.
Step three: after the reverse die forming, the formed rough blank is subjected to homogenization annealing treatment at 800 ℃, and is kept for 30 hours to obtain the light purple rose gold.
In the above examples 10-12, when the master alloy is added and melted, aluminum and gold form purple particles of gold-aluminum compound in the alloy matrix; the gold-aluminum compound particles are segregated during annealing treatment and are dispersed and distributed in the alloy matrix.
In conclusion, the light purple rose gold with good toughness provided by the invention has the advantages that when the rose gold is manufactured, and when the gold is combined with the intermediate alloy, the silver and the alloy are combined to form a white gold-based solid solution, and the corrosion resistance of the alloy is improved; the aluminum and the gold are combined to form gold-aluminum compound particles with small particle size, and the gold-aluminum compound particles are uniformly dispersed in the alloy matrix; the whiteness of the alloy matrix is improved by the nickel, so that the gold-aluminum compound particles are more favorably dispersed and distributed in the alloy matrix to be light purple; copper element regulates the toughness of the alloy; the silicon element can ensure the fluidity of the alloy. The alloy matrix added with silver, nickel, copper and silicon is a white alloy matrix with good toughness; and the alloy is segregated during solidification, so that the aluminum and the gold form purple compound particles in the alloy matrix and are dispersed and distributed in the alloy matrix, the whole alloy presents light purple color tone, and better toughness is reserved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The light purple rose gold with good toughness is characterized in that white gold-based solid solution is used as an alloy matrix, and aluminum element reacts with the gold element in the alloy to form purple gold-aluminum compound particles which are dispersed and distributed in the alloy matrix.
2. The light-purple rose gold with good toughness of claim 1, wherein the aluminum element content is 10-20% by weight, and the particle size of the formed gold-aluminum compound particles is 1-10 μm; the gold-based solid solution comprises silver element for forming white gold-based solid solution, and the content of the silver element in percentage by weight is 1-2%.
3. The light-purple rose gold with good toughness of claim 2, wherein the aluminum element content is 10-15% by weight.
4. The light-purple rose gold with good toughness of claim 3, wherein the gold-based solid solution further comprises nickel element for alloy bleaching, and the content of the nickel element is 2-5% by weight.
5. The light-purple rose gold with good toughness of claim 4, wherein the gold-based solid solution further comprises a copper element for adjusting the toughness of the alloy, and the content of the copper element is 5-10% by weight.
6. The light-purple rose gold with good toughness of claim 5, wherein the gold-based solid solution further comprises silicon element for ensuring the fluidity of the alloy, and the content of the silicon element is 0.1-1% by weight.
7. The light-purple rose gold with good toughness of claim 6, which is prepared from the following components in percentage by weight: 10-15% of aluminum, 1.5-2% of silver, 3.5-5% of nickel, 7-10% of copper, 0.5-1% of silicon and the balance of gold.
8. The preparation method of the light purple rose gold with good toughness is characterized by comprising the following steps:
the method comprises the following steps: mixing one or more materials of copper, nickel and silicon with silver and aluminum to prepare an intermediate alloy according to requirements;
step two: heating the gold blocks to be completely melted, and adding the intermediate alloy;
step three: and after the die is reversed and formed, homogenizing and annealing the formed rough blank to obtain the light purple rose gold.
9. The method for preparing light purple rose gold with good toughness of claim 8, wherein in the third step, the homogenizing annealing treatment conditions are as follows: keeping the temperature for 10 to 50 hours at the temperature of 700 to 900 ℃.
10. The method for preparing the light purple rose gold with good toughness as claimed in any one of claims 8 or 9, wherein in the second step, the gold block is melted at 1100-1200 ℃, and the intermediate alloy is kept for 5-10 min after being melted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010120617.2A CN111206167A (en) | 2020-02-26 | 2020-02-26 | Light purple rose gold with good toughness and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010120617.2A CN111206167A (en) | 2020-02-26 | 2020-02-26 | Light purple rose gold with good toughness and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4053299A1 (en) * | 2021-03-01 | 2022-09-07 | Richemont International SA | Violet gold alloy with improved mechanical behaviour |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6130642A (en) * | 1984-07-20 | 1986-02-12 | Tokuriki Honten Co Ltd | 18-karat purplish gold |
| JPH02115329A (en) * | 1988-10-25 | 1990-04-27 | Seiko Instr Inc | Ornament composed of gold alloy |
| JPH02185936A (en) * | 1989-01-12 | 1990-07-20 | Agency Of Ind Science & Technol | Gold alloy having carmine color |
| CN1354803A (en) * | 1999-02-02 | 2002-06-19 | 新加坡理工学院 | Jewellery alloy compositions |
| CN102676864A (en) * | 2012-06-06 | 2012-09-19 | 广东潮宏基实业股份有限公司 | Formula and preparation method of purple K gold |
| CN106916991A (en) * | 2017-04-24 | 2017-07-04 | 沈阳东创贵金属材料有限公司 | A kind of purple gold target material and preparation method thereof |
-
2020
- 2020-02-26 CN CN202010120617.2A patent/CN111206167A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6130642A (en) * | 1984-07-20 | 1986-02-12 | Tokuriki Honten Co Ltd | 18-karat purplish gold |
| JPH02115329A (en) * | 1988-10-25 | 1990-04-27 | Seiko Instr Inc | Ornament composed of gold alloy |
| JPH02185936A (en) * | 1989-01-12 | 1990-07-20 | Agency Of Ind Science & Technol | Gold alloy having carmine color |
| CN1354803A (en) * | 1999-02-02 | 2002-06-19 | 新加坡理工学院 | Jewellery alloy compositions |
| CN102676864A (en) * | 2012-06-06 | 2012-09-19 | 广东潮宏基实业股份有限公司 | Formula and preparation method of purple K gold |
| CN106916991A (en) * | 2017-04-24 | 2017-07-04 | 沈阳东创贵金属材料有限公司 | A kind of purple gold target material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4053299A1 (en) * | 2021-03-01 | 2022-09-07 | Richemont International SA | Violet gold alloy with improved mechanical behaviour |
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Application publication date: 20200529 |