CN108796292A - Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus - Google Patents
Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus Download PDFInfo
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- CN108796292A CN108796292A CN201810728674.1A CN201810728674A CN108796292A CN 108796292 A CN108796292 A CN 108796292A CN 201810728674 A CN201810728674 A CN 201810728674A CN 108796292 A CN108796292 A CN 108796292A
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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
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- 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
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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
- C22F1/08—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
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Abstract
The invention discloses the Low-cost corrosion-resistant rose copper alloys with excellent resilience modulus.According to weight percent, the ingredient of the alloy is:Se:0.2-0.5wt.%,Ba:0.1-0.3wt.%,Nb:1.8-2.0wt.%,C:0.2-0.4wt.%,Y:1.4-1.9wt.%,Mn:0.4-0.8wt.%,Ir:1.0-1.2wt.%,Cu:60.0-62.0wt.%, 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 the Low-cost corrosion-resistant rose with excellent resilience modulus
Rare copper alloy.
To achieve the goals above, the present invention adopts the following technical scheme that：
Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus.By weight percentage, the group of alloy becomes:Se:
0.2-0.5wt.%,Ba:0.1-0.3wt.%,Nb:1.8-2.0wt.%,C:0.2-0.4wt.%,Y:1.4-1.9wt.%,Mn:0.4-
0.8wt.%,Ir:1.0-1.2wt.%,Cu:60.0-62.0wt.%, surplus are silver.
The preparation method of the above-mentioned Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus, includes the following steps：
As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;Low stream is used after metal molten
The argon gas of amount 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 sense
Answer stove electromagnetic agitation 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 100-
The punching block of 200mm, and cooled down by the way of water cooling.The ingot casting of gained is rolled at room temperature, every time rolls lower amount and is
30-40%;It is 680 degree per intermediate anneal temperature after rolling twice, keeps the temperature 0.5 hour;It is 10- that material, which is finally rolled into thickness,
The copper coin of 20mm;In jewellery forming process, needs to carry out intermediate annealing process, eliminate the stress in process;Wherein,
It is 800 degree to homogenize temperature, 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.The visual effect of product and the aberration of rose gold are unknown
It is aobvious, there is very excellent decorative effect.This patent industrialization with being saturated roseate rose copper alloy with excellent
Corrosion resistance.Since corrosive medium is human sweat, thus the corrosion under artificial sweat's environment in the use environment of jewellery
Test result shows that rose copper color has no significant change, alloy surface successively after 24 h and 48 h artificial perspiration's corrosion tests
Equal non-corroding object and the bad phenomenons such as saltout, are converted into the when of wearing corrosive chameleon and ask up to 10 years.It is good to illustrate that the material has
Good sweat proof corrosion performance.
（3）The alloy has extremely excellent elastic property.The yield strength of the material is 180-250MPa, tensile strength
For 320-380MPa, elongation percentage 30-40%, elasticity modulus 120-140GPa.It can be seen that the material can obtain the bullet of bigger
Property modulus and elongation percentage.These excellent performances allow the alloy to be widely used in the life of aciculiform object and spring object
Production.In addition, the alloy can solve the technologies hardly possiblies such as hot cracking tendency when casting is big, and casting cavity is low with loose apparent product yield rate
Topic.Alloying element is enriched in solid-liquid interface forward position when solidification, increases the constitutional supercooling of alloy, and hinder dendritic growth,
As-cast structure is refined.Meanwhile the optimization and combination of alloying element influence less the solidus of alloy and liquidus temperature.?
Alloying element is enriched in solid-liquid interface forward position when solidification, and the temperature that dendrite is linked to be skeleton can be made to postpone, quasi- solidus is made to decline,
The liquidus temperature section for increasing alloy, improves the casting character of alloy.Smelting processing method is simple, and production cost is relatively low,
It reduces to equipment requirement.It is contemplated that the implementation and industrialization of the material will obtain excellent economic benefit and society imitates
Benefit.
Specific implementation mode
Embodiment 1
Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus.By weight percentage, the group of alloy becomes: Se:
0.2wt.%,Ba:0.1wt.%,Nb:1.8wt.%,C:0.2wt.%,Y:1.4wt.%,Mn:0.4wt.%,Ir:1.0wt.%,Cu:
60.0wt.%, surplus are silver.The preparation method of the above-mentioned Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus, including
Following steps：As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;After metal molten
It is protected using the argon gas of low discharge, 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,
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 casting uses
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, every time
It is 30-40% to roll lower amount;It is 680 degree per intermediate anneal temperature after rolling twice, keeps the temperature 0.5 hour;Material is finally rolled into thickness
Degree is the copper coin of 10-20mm;In jewellery forming process, needs to carry out intermediate annealing process, eliminate the stress in process;
Wherein, homogenization temperature is 800 degree, and the time is 1-2 hours.
The material has the same color and luster of rose gold and appearance.Thus the visual effect of product and the aberration of rose gold are unknown
It is aobvious, there is very excellent decorative effect.Test result shows successively after 24 h and 48 h artificial perspiration's corrosion tests, rose
Copper color has no significant change, and the equal non-corroding object of alloy 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 good sweat proof corrosion performance.The alloy has extremely excellent elastic property.It should
The yield strength of material is 180-250MPa, tensile strength 320-380MPa, elongation percentage 30-40%, elasticity modulus 120-
140GPa.It can be seen that the material can obtain the elasticity modulus and elongation percentage of bigger.These excellent performances so that the alloy can be with
It is widely used in the production of aciculiform object and spring object.Smelting processing method is simple, and production cost is relatively low, reduces and pair sets
It is standby to require.
Embodiment 2
Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus.By weight percentage, the group of alloy becomes: Se:
0.5wt.%,Ba:0.3wt.%,Nb:2.0wt.%,C:0.4wt.%,Y:1.9wt.%,Mn:0.8wt.%,Ir:1.2wt.%,Cu:
62.0wt.%, surplus are silver.The preparation method of the above-mentioned Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus, including
Following steps：As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;After metal molten
It is protected using the argon gas of low discharge, 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,
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 casting uses
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, every time
It is 30-40% to roll lower amount;It is 680 degree per intermediate anneal temperature after rolling twice, keeps the temperature 0.5 hour;Material is finally rolled into thickness
Degree is the copper coin of 10-20mm;In jewellery forming process, needs to carry out intermediate annealing process, eliminate the stress in process;
Wherein, homogenization temperature is 800 degree, and the time is 1-2 hours.
The material has the same color and luster of rose gold and appearance.Thus the visual effect of product and the aberration of rose gold are unknown
It is aobvious, there is very excellent decorative effect.Test result shows successively after 24 h and 48 h artificial perspiration's corrosion tests, rose
Copper color has no significant change, and the equal non-corroding object of alloy 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 good sweat proof corrosion performance.The alloy has extremely excellent elastic property.It should
The yield strength of material is 180-250MPa, tensile strength 320-380MPa, elongation percentage 30-40%, elasticity modulus 120-
140GPa.It can be seen that the material can obtain the elasticity modulus and elongation percentage of bigger.These excellent performances so that the alloy can be with
It is widely used in the production of aciculiform object and spring object.Smelting processing method is simple, and production cost is relatively low, reduces and pair sets
It is standby to require.
Embodiment 3
Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus.By weight percentage, the group of alloy becomes: Se:
0.4wt.%,Ba:0.2wt.%,Nb:1.9wt.%,C:0.3wt.%,Y:1.5wt.%,Mn:0.6wt.%,Ir:1.0wt.%,Cu:
61.0wt.%, surplus are silver.The preparation method of the above-mentioned Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus, including
Following steps：As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;After metal molten
It is protected using the argon gas of low discharge, 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,
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 casting uses
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, every time
It is 30-40% to roll lower amount;It is 680 degree per intermediate anneal temperature after rolling twice, keeps the temperature 0.5 hour;Material is finally rolled into thickness
Degree is the copper coin of 10-20mm;In jewellery forming process, needs to carry out intermediate annealing process, eliminate the stress in process;
Wherein, homogenization temperature is 800 degree, and the time is 1-2 hours.
The material has the same color and luster of rose gold and appearance.Thus the visual effect of product and the aberration of rose gold are unknown
It is aobvious, there is very excellent decorative effect.Test result shows successively after 24 h and 48 h artificial perspiration's corrosion tests, rose
Copper color has no significant change, and the equal non-corroding object of alloy 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 good sweat proof corrosion performance.The alloy has extremely excellent elastic property.It should
The yield strength of material is 180-250MPa, tensile strength 320-380MPa, elongation percentage 30-40%, elasticity modulus 120-
140GPa.It can be seen that the material can obtain the elasticity modulus and elongation percentage of bigger.These excellent performances so that the alloy can be with
It is widely used in the production of aciculiform object and spring object.Smelting processing method is simple, and production cost is relatively low, reduces and pair sets
It is standby to require.
Claims (3)
1. the Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus；According to weight percent, the ingredient of the alloy is:
Se:0.2-0.5wt.%,Ba:0.1-0.3wt.%,Nb:1.8-2.0wt.%,C:0.2-0.4wt.%,Y:1.4-1.9wt.%,Mn:
0.4-0.8wt.%,Ir:1.0-1.2wt.%,Cu:60.0-62.0wt.%, surplus are silver.
2. the Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus described in claim 1, it is characterised in that including such as
Lower smelting step：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.
3. according to the Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus described in claim 1, it is characterised in that include
Step is used as follows：The ingot casting of gained is rolled at room temperature, it is 30-40% that every time, which rolls lower amount,;In after rolling twice
Between annealing temperature be 680 degree, heat preservation 0.5 hour;Material is finally rolled into the copper coin that thickness is 10-20mm;It is molded in jewellery
In the process, it needs to carry out intermediate annealing process, eliminates the stress in process;Wherein, homogenization temperature is 800 degree, the time
It is 1-2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728674.1A CN108796292A (en) | 2018-07-05 | 2018-07-05 | Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728674.1A CN108796292A (en) | 2018-07-05 | 2018-07-05 | Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108796292A true CN108796292A (en) | 2018-11-13 |
Family
ID=64074707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810728674.1A Withdrawn CN108796292A (en) | 2018-07-05 | 2018-07-05 | Low-cost corrosion-resistant rose copper alloy with excellent resilience modulus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108796292A (en) |
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2018
- 2018-07-05 CN CN201810728674.1A patent/CN108796292A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |
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| WW01 | Invention patent application withdrawn after publication |