CN108624777A - One kind having saturation rosiness and corrosion resistant cheap rose copper alloy - Google Patents
One kind having saturation rosiness and corrosion resistant cheap rose copper alloy Download PDFInfo
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- CN108624777A CN108624777A CN201810728630.9A CN201810728630A CN108624777A CN 108624777 A CN108624777 A CN 108624777A CN 201810728630 A CN201810728630 A CN 201810728630A CN 108624777 A CN108624777 A CN 108624777A
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- rose
- copper alloy
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- rosiness
- gold
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/005—Casting ingots, e.g. from ferrous metals from non-ferrous metals
-
- 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
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- 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
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Abstract
The invention discloses one kind having saturation rosiness and corrosion resistant cheap rose copper alloy.According to weight percent, the ingredient of the alloy is:Be:0.6‑0.8wt.%,Sr:0.3‑0.5wt.%,V:1.2‑1.5wt.%,C:0.2‑0.5wt.%,Sc:1.0‑1.4wt.%,W:0.2‑0.3wt.%,Au:6.0‑8.0wt.%,Cu:65.0 72.0wt.%, surplus are silver.The patent provides a kind of still no copper alloys with rose color and luster on the market, and the alloy has excellent corrosion resistance.By advanced design of material while greatly enriching jewellery copper alloy type, also a kind of cheap rosiness material is provided for market.
Description
Technical field
The present invention relates to technical field of alloy, specifically, being related to an Albatra metal.
Background technology
Gold is a kind of soft, golden yellow and corrosion resistant noble metal.The stability of gold is fine, hardly with any east
Compound is generated west from reaction.It is again soft, as a kind of metal of easy processing, in addition radiance very rare in nature is taken by force
Mesh, clinquant color have won being crazy about and worshipping for the mankind very early, become the symbol of wealth naturally.
Handsel is the general term of mosaic gold in fact, that is, the golden of a variety of colors that gold is formed after alloying element is added is closed
The general designation of gold.It removes outside White gold, other to be all referred to as handsel, we are most commonly that 18K handsels in life.K is international
The upper symbol for being used for indicating fineness of gold.Colored reason why is showed, is type and ratio difference because of metal, uses
Gold is added copper, aluminium, silver, cobalt, palladium, iron, cadmium, the Metal Meltings such as nickel, ratio it is different and will appear therewith it is purplish red, red, pink, yellow,
Orange, green, blue, brown and black karat gold, relatively common in our daily lifes is that K is red and K is yellow, in the world of handsel, color
Peculiar, price will be more expensive, as black, blue price are with regard to more expensive.
Rose gold is a kind of precious metal alloys of gold and copper, since color is gorgeous and hardness is strong higher than proof gold, ductility, and
It is used for jewellery manufacture, be otherwise known as flour gold.Rose gold is to the gloss that the visual experience that people brings is as gold, and slightly
It is biased to the yellow of red color tone.Since its Russia in 19 beginnings of the century is widely used, also referred to as Russia is golden.Rose gold
Since it has very fashion, beautiful pink rose color, thus it is widely used in Jewelry Design and processing.With traditional gold
It compares, pink rose gold not only can make the color of colored gemstone denser, and the exquisite, thin of metal material is also presented
It is greasy, it is used on exquisite Jewelry Design, the design creativity of complicated fineness can be brought into full play.Sparkling gold ornament with
After classical graceful platinum ornaments, the rose gold that tone is soft, charming gradually becomes the new lover of people, and apple is by it for new
In the color of money mobile phone, undoubtedly a piece of new world has been hewed out for rose gold.
Rose gold ornaments, fashion and highlight individual character, it is succinct and remarkable.Rose gold Jewelry Design is worn because material is harder
Time is very long, more emphasizes artistry and fashion, and for gold, gold mostly uses greatly traditional design, is not required to too many
Design.Rose gold gloss more more beautiful than gold, corner angle are clearly demarcated, and interior light sensation is strong, the generous rose gold necklace of moulding be particularly suitable for
It bores and matches.Legend pink rose gold appears in Victoria's late period earliest, jewelry designer's this warm tones gold at that time
Belong to and come embedding gem and embossment, or make the ornaments such as brooch, nowadays its Ecological theme and Jewelry Design in fashion world prevalence
And in manufacture craft, and weed out the old and bring forth the new.The rose gold of pink colour not only signifies love, more contains warm meaningful sincerity.
The gold and jewelry consumption in China is developed so far from early 1980s, from the early stage of development to buy proof gold decorations
Based on product, focus on value preserving effect, but style, style changes little, kind are dull.The rose gold ornaments till now that develops starts largely
It appears on the market, and growth momentum is swift and violent.Apparent can see, and the consumption idea of people pursues individual character by focusing on being worth turning to
Change, be particular about style, the technique of jewellery, is particular about jewellery and itself individual character, the matching of dress.Karat gold jewellery are since style is modish, color
It is abundant, price is low, diversification, personalization style meet consumer demand, and therefore it is also continued to develop.
Although the research and development of rose gold, industrialization and market sale achieve very beautiful achievement, rose gold is also referred to as in karat gold
Most influential product.However, it is necessary to which mainly arriving rose gold substantially still belongs to billon.Due to having the value preserving of gold
Function, and golden scarcity, rose gold is extremely important product in high-grade field of jewelry.But with people's lives water
Flat raising no longer as before proposes the valuable property of metal harsh requirement.Currently, market in urgent need one kind having rose
The surface color of gold, and cheap rose gold substitute products.The substitute products, can be a large amount of due to having cheap price
Be used for clock and watch, the fields such as mobile phone and part jewellery.Currently, market is that there is no a kind of copper-based alloys, and appearance has
Rose color.Further, since really rose gold have in use be easy discoloration, surface generate cut and using and
In manufacturing process the phenomenon that brittle failure, thus the serious more market occupancy volumes for hindering this product.
But it must be observed that although China's bullion industry, especially jewelry gold alloy, quickly grow, but due to rising
In step evening, starting point is low, and also there is a big difference compared with world level on some sport technique segments.Industry problems do not solve for a long time,
Not only affect the market sales volume and usage experience of Related product, also it is serious limit such product international scope city
Field occupancy volume.It has been the inevitable problem of field of jewelry to develop simultaneously industrialization to have roseate copper alloy, for a long time
Domestic many research institutions and enterprise have carried out multi-faceted trial, but regrettably, it not yet obtains so far
The progress of any substance.It can pass through the thermodynamics and kinetics means pairing of bottom by advanced design of material technology
Golden material is innovated, and has prodigious market value to the problem solution and industrialization of developing and develop rose copper.Face
Domestic and international market competition to being growing more intense, it is necessary to which paces of accelerating restructuring, this is not only China's jewellery industry existence
With the needs of development and the development trend of world today's related field.
Invention content
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of with saturation rosiness and corrosion resistant cheap
Rose copper alloy.
To achieve the goals above, the present invention adopts the following technical scheme that：
One kind having saturation rosiness and corrosion resistant cheap rose copper alloy.By weight percentage, the group of alloy becomes:
Be:0.6-0.8wt.%,Sr:0.3-0.5wt.%,V:1.2-1.5wt.%,C:0.2-0.5wt.%,Sc:1.0-1.4wt.%,W:
0.2-0.3wt.%,Au:6.0-8.0wt.%,Cu:65.0-72.0wt.%, surplus are silver.
A kind of above-mentioned preparation method with saturation rosiness and corrosion resistant cheap rose copper alloy, including walk as follows
Suddenly：As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;Using low after metal molten
The argon gas of flow is protected, and big air-flow is avoided to make the serious scaling loss of alloying element;10 minutes are kept the temperature at 1150 degree when melting, leans on high frequency
Induction furnace electromagnetic agitation is uniform;1 minute being kept the temperature at 1250 degree after stirring evenly and being cast come out of the stove;Copper alloy casting uses diameter
The punching block of 100-200mm, and cooled down by the way of water cooling.The ingot casting of gained is rolled at room temperature, under every time is rolled
Amount is 30-40%;It is 680 degree per intermediate anneal temperature after rolling twice, keeps the temperature 0.5 hour;Material, which is finally rolled into thickness, is
The copper coin of 10-20mm;In jewellery forming process, needs to carry out intermediate annealing process, eliminate the stress in process;Its
In, homogenization temperature is 800 degree, and the time is 1-2 hours.
Compared with prior art, the present invention has the advantages that：
（1）Rose gold is widely used in the processing of clock and watch, jewellery etc..Rose gold is expensive, therefore only high-end product
Just use rose gold.In order to cater to the demand of lower end consumer, electroplated rose technology for gold has obtained the favor of consumer.It is so-called
Electroplated rose gold is exactly to be prepared using the method for ion plating in other metallic surfaces.In general, TiCN coating has hardness
Advantage high, wearability is good, and color is widely used close to rose golden in clock and watch, jewellery industry.But
Color and luster is dark, not vivid enough.Therefore, it will usually which redeposited one layer of rose layer gold is used as toning on it.But rose layer gold is hard
Spend low, wearability and poor corrosion resistance, it is easy to change colour because of abrasion, oxidation corrosion, seriously affect the value of clock and watch, jewellery
And artistic grade.The alloy of present patent application protection, which completely solves cheap rose gold effect at present, will lean on the method for plated film to obtain
, and gained plated film wearability and the insufficient present situation of corrosion resistance, thus there is positive effect for the market of related field.
（2）The material has the same color and luster of rose gold and appearance.Under the light of standard sources D65, and use CM-
700d types spectrophotometric color measurement instrument (Japanese Konica Minolta) measures the brightness value L of its color*, green angle value a*With champac chromatic value
b*.For traditional rose gold, L*, a*With b*Respectively 84.0,11.0 and 16.0, and these parameters of this material are respectively
83.5,11.4 and 15.8.There is very excellent decoration to imitate for the thus visual effect of product and the aberration unobvious of rose gold
Fruit.
（3）The method that TiCN coating surfaces on the market plate last layer rose gold again at present does not have outstanding corrosion-resistant
Performance.According to the feedback in market, after wearing in several months, rose gold coating color changes such product,
The beauty of product is seriously affected.And this patent industrialization with being saturated roseate rose copper alloy with excellent corrosion resistant
Corrosion energy.Since corrosive medium is human sweat, thus the corrosion test under artificial sweat's environment in the use environment of jewellery
With practical significance.According to ISO3160-2:2003《Watchcase and attachment billon shell part 2:It is finish, thickness, anticorrosive
Property and adhesiveness measure》Carry out artificial perspiration's corrosion test.Test result shows successively through 24 h and 48 h artificial perspiration's corrosion tests
Afterwards, rose copper color has no significant change, the equal non-corroding object of alloy surface and the bad phenomenons such as saltout, and is converted into wearing corrosion and becomes
It is asked when color up to 10 years.Illustrate that the material has good sweat proof corrosion performance.
（4）Hot cracking tendency is big when the copper alloy of present patent application protection can solve to cast, and casting is empty and loose apparent
The low equal technical barriers of product yield rate.Alloying element is enriched in solid-liquid interface forward position when solidification, increases the ingredient of alloy
Supercooling, and dendritic growth is hindered, refine as-cast structure.Meanwhile the optimization and combination of alloying element to the solidus of alloy and
Liquidus temperature influences little.In solidification, alloying element is enriched in solid-liquid interface forward position, and dendrite can be made to be linked to be the temperature of skeleton
It postpones, so that quasi- solidus is declined, increase the liquidus temperature section of alloy, improve the casting character of alloy.Smelting processing method
Simply, production cost is relatively low, reduces to equipment requirement.It is contemplated that the implementation and industrialization of the material will obtain it is excellent
Different economic benefit and social benefit.
Specific implementation mode
Embodiment 1
One kind having saturation rosiness and corrosion resistant cheap rose copper alloy.By weight percentage, the group of alloy becomes:
Be:0.6wt.%,Sr:0.3wt.%,V:1.2wt.%,C:0.2wt.%,Sc:1.0wt.%,W:0.2wt.%,Au:6.0wt.%,Cu:
65.0wt.%, surplus are silver.A kind of above-mentioned preparation method with saturation rosiness and corrosion resistant cheap rose copper alloy, packet
Include following steps：As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;Metal molten
It uses the argon gas of low discharge to protect afterwards, big air-flow is avoided to make the serious scaling loss of alloying element;10 points are kept the temperature when melting at 1150 degree
Clock, it is uniform by Efco-Northrup furnace electromagnetic agitation;1 minute being kept the temperature at 1250 degree after stirring evenly and being cast come out of the stove;Copper alloy is cast
Using the punching block of diameter 100-200mm, and cooled down by the way of water cooling.The ingot casting of gained is rolled at room temperature, often
It is 30-40% that passage, which rolls lower amount,;It is 680 degree per intermediate anneal temperature after rolling twice, keeps the temperature 0.5 hour;Finally material is rolled
At the copper coin that thickness is 10-20mm;In jewellery forming process, needs to carry out intermediate annealing process, eliminate in process
Stress;Wherein, homogenization temperature is 800 degree, and the time is 1-2 hours.
The alloy, which completely solves cheap rose gold effect at present, will lean on the method for plated film to obtain, and gained plated film is resistance to
Mill property and the insufficient present situation of corrosion resistance, thus there is positive effect for the market of related field.The material has rose gold
Same color and luster and appearance.There is very excellent decoration to imitate for the thus visual effect of product and the aberration unobvious of rose gold
Fruit.Test result shows that rose copper color has no significant change, alloy successively after 24 h and 48 h artificial perspiration's corrosion tests
The equal non-corroding object in surface and the bad phenomenons such as saltout are converted into the when of wearing corrosive chameleon and are asked up to 10 years.Illustrate that the material has
There is good sweat proof corrosion performance.It is big to solve hot cracking tendency when casting, casting cavity is low with loose apparent product yield rate etc.
Technical barrier.Alloying element is enriched in solid-liquid interface forward position when solidification, increases the constitutional supercooling of alloy, and hinder branch
Crystals growth has refined as-cast structure.Smelting processing method is simple, and production cost is relatively low, reduces to equipment requirement.
Embodiment 2
One kind having saturation rosiness and corrosion resistant cheap rose copper alloy.By weight percentage, the group of alloy becomes:
Be:0.8wt.%,Sr:0.5wt.%,V:1.5wt.%,C:0.5wt.%,Sc:1.4wt.%,W:0.3wt.%,Au:8.0wt.%,Cu:
72.0wt.%, surplus are silver.A kind of above-mentioned preparation method with saturation rosiness and corrosion resistant cheap rose copper alloy, packet
Include following steps：As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;Metal molten
It uses the argon gas of low discharge to protect afterwards, big air-flow is avoided to make the serious scaling loss of alloying element;10 points are kept the temperature when melting at 1150 degree
Clock, it is uniform by Efco-Northrup furnace electromagnetic agitation;1 minute being kept the temperature at 1250 degree after stirring evenly and being cast come out of the stove;Copper alloy is cast
Using the punching block of diameter 100-200mm, and cooled down by the way of water cooling.The ingot casting of gained is rolled at room temperature, often
It is 30-40% that passage, which rolls lower amount,;It is 680 degree per intermediate anneal temperature after rolling twice, keeps the temperature 0.5 hour;Finally material is rolled
At the copper coin that thickness is 10-20mm;In jewellery forming process, needs to carry out intermediate annealing process, eliminate in process
Stress;Wherein, homogenization temperature is 800 degree, and the time is 1-2 hours.
The alloy, which completely solves cheap rose gold effect at present, will lean on the method for plated film to obtain, and gained plated film is resistance to
Mill property and the insufficient present situation of corrosion resistance, thus there is positive effect for the market of related field.The material has rose gold
Same color and luster and appearance.There is very excellent decoration to imitate for the thus visual effect of product and the aberration unobvious of rose gold
Fruit.Test result shows that rose copper color has no significant change, alloy successively after 24 h and 48 h artificial perspiration's corrosion tests
The equal non-corroding object in surface and the bad phenomenons such as saltout are converted into the when of wearing corrosive chameleon and are asked up to 10 years.Illustrate that the material has
There is good sweat proof corrosion performance.It is big to solve hot cracking tendency when casting, casting cavity is low with loose apparent product yield rate etc.
Technical barrier.Alloying element is enriched in solid-liquid interface forward position when solidification, increases the constitutional supercooling of alloy, and hinder branch
Crystals growth has refined as-cast structure.Smelting processing method is simple, and production cost is relatively low, reduces to equipment requirement.
Embodiment 3
One kind having saturation rosiness and corrosion resistant cheap rose copper alloy.By weight percentage, the group of alloy becomes:
Be:0.7wt.%,Sr:0.4wt.%,V:1.4wt.%,C:0.3wt.%,Sc:1.2wt.%,W:0.2wt.%,Au:6.5wt.%,Cu:
70.0wt.%, surplus are silver.A kind of above-mentioned preparation method with saturation rosiness and corrosion resistant cheap rose copper alloy, packet
Include following steps：As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;Metal molten
It uses the argon gas of low discharge to protect afterwards, big air-flow is avoided to make the serious scaling loss of alloying element;10 points are kept the temperature when melting at 1150 degree
Clock, it is uniform by Efco-Northrup furnace electromagnetic agitation;1 minute being kept the temperature at 1250 degree after stirring evenly and being cast come out of the stove;Copper alloy is cast
Using the punching block of diameter 100-200mm, and cooled down by the way of water cooling.The ingot casting of gained is rolled at room temperature, often
It is 30-40% that passage, which rolls lower amount,;It is 680 degree per intermediate anneal temperature after rolling twice, keeps the temperature 0.5 hour;Finally material is rolled
At the copper coin that thickness is 10-20mm;In jewellery forming process, needs to carry out intermediate annealing process, eliminate in process
Stress;Wherein, homogenization temperature is 800 degree, and the time is 1-2 hours.
The alloy, which completely solves cheap rose gold effect at present, will lean on the method for plated film to obtain, and gained plated film is resistance to
Mill property and the insufficient present situation of corrosion resistance, thus there is positive effect for the market of related field.The material has rose gold
Same color and luster and appearance.There is very excellent decoration to imitate for the thus visual effect of product and the aberration unobvious of rose gold
Fruit.Test result shows that rose copper color has no significant change, alloy successively after 24 h and 48 h artificial perspiration's corrosion tests
The equal non-corroding object in surface and the bad phenomenons such as saltout are converted into the when of wearing corrosive chameleon and are asked up to 10 years.Illustrate that the material has
There is good sweat proof corrosion performance.It is big to solve hot cracking tendency when casting, casting cavity is low with loose apparent product yield rate etc.
Technical barrier.Alloying element is enriched in solid-liquid interface forward position when solidification, increases the constitutional supercooling of alloy, and hinder branch
Crystals growth has refined as-cast structure.Smelting processing method is simple, and production cost is relatively low, reduces to equipment requirement.
Claims (3)
1. one kind having saturation rosiness and corrosion resistant cheap rose copper alloy；According to weight percent, the ingredient of the alloy
For: Be:0.6-0.8wt.%,Sr:0.3-0.5wt.%,V:1.2-1.5wt.%,C:0.2-0.5wt.%,Sc:1.0-1.4wt.%,
W:0.2-0.3wt.%,Au:6.0-8.0wt.%,Cu:65.0-72.0wt.%, surplus are silver.
2. a kind of described in claim 1 have saturation rosiness and corrosion resistant cheap rose copper alloy, it is characterised in that including
Following smelting step：As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;Metal is molten
It is protected using the argon gas of low discharge after change, big air-flow is avoided to make the serious scaling loss of alloying element;10 are kept the temperature when melting at 1150 degree
Minute, it is uniform by Efco-Northrup furnace electromagnetic agitation;1 minute being kept the temperature at 1250 degree after stirring evenly and being cast come out of the stove;Copper alloy pours
Casting uses the punching block of diameter 100-200mm, and is cooled down by the way of water cooling.
3. there is saturation rosiness and corrosion resistant cheap rose copper alloy according to a kind of described in claim 1, it is characterised in that packet
Step is used containing following：The ingot casting of gained is rolled at room temperature, it is 30-40% that every time, which rolls lower amount,;After rolling twice
Intermediate anneal temperature is 680 degree, keeps the temperature 0.5 hour;Material is finally rolled into the copper coin that thickness is 10-20mm;Jewellery at
During type, needs to carry out intermediate annealing process, eliminate the stress in process;Wherein, homogenization temperature is 800 degree, when
Between be 1-2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728630.9A CN108624777A (en) | 2018-07-05 | 2018-07-05 | One kind having saturation rosiness and corrosion resistant cheap rose copper alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728630.9A CN108624777A (en) | 2018-07-05 | 2018-07-05 | One kind having saturation rosiness and corrosion resistant cheap rose copper alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108624777A true CN108624777A (en) | 2018-10-09 |
Family
ID=63688732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810728630.9A Withdrawn CN108624777A (en) | 2018-07-05 | 2018-07-05 | One kind having saturation rosiness and corrosion resistant cheap rose copper alloy |
Country Status (1)
| Country | Link |
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| CN (1) | CN108624777A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777993A (en) * | 2019-02-26 | 2019-05-21 | 昆山全亚冠环保科技有限公司 | A kind of copper-gold alloy rolling mill practice |
| CN111286641A (en) * | 2020-02-26 | 2020-06-16 | 深圳市粤豪珠宝有限公司 | Anti-discoloration repaired mouth alloy for rose gold and preparation method and application thereof |
-
2018
- 2018-07-05 CN CN201810728630.9A patent/CN108624777A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777993A (en) * | 2019-02-26 | 2019-05-21 | 昆山全亚冠环保科技有限公司 | A kind of copper-gold alloy rolling mill practice |
| CN109777993B (en) * | 2019-02-26 | 2021-03-16 | 昆山全亚冠环保科技有限公司 | Copper-gold alloy rolling process |
| CN111286641A (en) * | 2020-02-26 | 2020-06-16 | 深圳市粤豪珠宝有限公司 | Anti-discoloration repaired mouth alloy for rose gold and preparation method and application thereof |
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Application publication date: 20181009 |
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