CN108796273A - A kind of 18K rose gold billons with excellent resilience performance - Google Patents
A kind of 18K rose gold billons with excellent resilience performance Download PDFInfo
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- CN108796273A CN108796273A CN201810738746.0A CN201810738746A CN108796273A CN 108796273 A CN108796273 A CN 108796273A CN 201810738746 A CN201810738746 A CN 201810738746A CN 108796273 A CN108796273 A CN 108796273A
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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
- 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
- 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 discloses a kind of 18K rose gold billons with excellent resilience performance.According to weight percent, the ingredient of the alloy is:Ba:0.2-0.3wt.%,Li:1.0-1.4wt.%,Os:0.8-1.0wt.%,W:0.2-0.5wt.%,Sn:2.0-3.5wt.%,Co:1.0-1.8wt.%,Ag:10.0-15.0wt.%,Au:74.0-76.0wt.%, surplus are copper.The patent solves current 18K rose golds elastic properties of materials deficiency, and present situation backward in technique.By advanced design of material while greatly improving 18K rose gold elastic properties, also solves such alloy the phenomenon that low temperature uses rear brittle failure.It is contemplated that the implementation and industrialization of the material can obtain plentiful and substantial economic gain and social benefit.
Description
Technical field
The present invention relates to technical field of alloy, specifically, being related to a kind of billon.
Background technology
Gold is a kind of precious metal, is one of the metal that the mankind have found and develop and use earliest.It is make jewellery and
The important source material of coin, and be the important stockpile of country, element is famous with the king of metal.It is not considered only as fine and rich
Symbol, but also with its distinctive value, the life brought benefit to the mankind.One important applied field of gold is decoration material
Material, including jewellery etc..Gold can be also used for daily necessities, such as gold-plated clock and watch, belt fastener, lighter, pen.Clock and watch kingdom is auspicious
Scholar country is little, but its ornaments industry is measured with gold up to 40 tons or so, wherein 95% is used in watchmaking every year.A Japanese only hand
1 year consumption gold salt of Watch Factory is equivalent to 680 kilograms of gold of consumption just up to 1 ton.The purposes of gold is more and more wider, and consumption is also more next
It is bigger, thus cause especially deeply concerned and keen interest of the countries in the world to gold.
Soft gold is easily deformed, and is also easy to wear.Therefore, people begin to attempt to be added in proof gold a small amount of
Other alloying elements increase the hardness of gold, wherein silver, copper, zinc etc., which are all existing frequently-used are added in gold, increases intensity
With the metal of toughness.Add the gold of alloying element, that is, billon.Determine the position processed of gold content in billon in English
It is Karat, it also can abbreviation K by head word.Therefore, ornamental billon is also known as karat gold.
The content for wanting to calculate gold in each karat gold, can use the number divided by 24 before K, what is obtained is exactly gold
Content in this synthesis metal.For 18K gold, 18 ÷ 24=0.75, that is, gold content in 18K gold are 75%.
There are many color of present karat gold, and gold with other metals when carrying out alloying, as long as the alloying of variety classes and content is added
Element just forms the K gold of different colours.
Why karat gold jewellery receive an acclaim, and are because they are modish better than proof gold jewellery style in many aspects.Karat gold because
Other metals are added into billon, the wearability become reconciled with higher hardness, corrosion resistance are unlikely to deform and good
The characteristics such as castability.Since the raising of golden hardness promotes the fast development of jewellery industry, originally backward processing work is also changed
Skill can reach and natural high-grade true and false difficult point of the journey of product with mass production, along with the material inlayed is synthesized using high-tech
Degree.Therefore, the combination of alloy and different inlaid materials keeps the style of karat gold jewellery more rich and varied, up to tens of thousands of kinds,
Ten tens of thousands of kinds, its novelty, aesthetic feeling completely can be with times.
Rose gold is one kind very popular in karat gold.Rose gold is in sparkling gold ornament and classical elegance
After platinum ornaments, the soft charming rose gold ornaments of tone gradually become the new lover of fashion personage, with its idiosyncrasy and text
Change, deduces the another brand-new world of precious metal jewelry.In general, rose gold is by gold and silver, other composition of alloy such as copper.By
In rose gold hardness compared with proof gold height, compared with traditional gold and platinum, pink rose gold can not only make colored gemstone
Color is denser, and exquisiteness, the exquisiteness of metal material is also presented.Rose is with the beautiful rose-red color of fashion, compared with Huang
Gold and platinum seem that more steady and colour jewel is put together also more harmonious, and can bring the new spirit of designer
Sense.The fashion radiant force of rose gold has spread to garment sector, accessories circle and makeups circle.
In electronics field, rose gold also receives favor.Rose gold is exactly an example for iPhone 6s, it makes rose
Rare gold is that a kind of mainstream of electronic product is matched colors.After iPhone6s releases rose gold version, many manufacturers also start one after another
The color matching of rose gold is added on oneself product to attract user, rose gold to have become the mainstream color of electronic product.Apple
Fruit then takes advantage of victory and pursues and attacks, and is proposed iPad, MacBook and the Beats earphone of rose gold version.Huawei is also proposed rose
The wrist-watch product and MateS of golden version.Samsung is also proposed the GearS2 smartwatch of rose gold version.
For 18K rose gold alloys, in terms of which has excellent tarnish resistance and resistance to corrosion, this is to head
It adorns particularly significant.Thus these materials can make jewelry keep high brightness for a long time.But it has to be observed that, 18K at present
Rose gold material is preparing some jewelry structural members, such as when ear acupuncture, tack, brooch, spring, needs good bullet
Property, it is similarly desirable to increase the hardness of alloy.But the hardness and strength of 18K rose golds alloy itself are not low, can meet surface
Rub resistance and anti abrasive requirement.But as some elongate articles and the jewelry parts deformed are often subject to, it is as described above each
Kind aciculiform object or spring must just make 18K rose gold billons have extremely excellent elastic property, i.e. springform
Amount.Regrettably, the method prepared by current this elongated member be exactly using traditional silver alloy and plate or
Last layer 18K rose golds are coated temporarily to solve the problems, such as this.
The low elasticity of 18K rose gold billons has been the inevitable problem of field of jewelry, domestic for a long time
Many research institutions and enterprise have carried out multi-faceted trial.And to a series of representative 18K rose golds alloys into
The correlation and action rule gone between careful exploration, including alloying component-institutional framework-performance change therein.
But regrettably, the progress of any substance is not yet obtained so far.It can be with by advanced design of material technology
Alloy material is innovated by the thermodynamics and kinetics means of bottom, and not to the elastic property of 18K rose golds
The problem of foot solves and industrialization has prodigious market value.In face of the domestic and international market competition being growing more intense, it is necessary to add
Fast structural adjustment paces, this is not only the needs of China's jewellery industry survival and development and the hair of world today's related field
Exhibition trend.
Invention content
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of 18K rose golds with excellent resilience performance
Use billon.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of 18K rose gold billons with excellent resilience performance.By weight percentage, the group of alloy becomes:Ba:
0.2-0.3wt.%,Li:1.0-1.4wt.%,Os:0.8-1.0wt.%,W:0.2-0.5wt.%,Sn:2.0-3.5wt.%,Co:
1.0-1.8wt.%,Ag:10.0-15.0wt.%,Au:74.0-76.0wt.%, surplus are copper.
A kind of preparation method of above-mentioned 18K rose gold billons with excellent resilience performance, includes the following steps：It will
As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses graphite crucible;Low discharge is used after metal molten
Argon gas protection, avoid big air-flow from making the serious scaling loss of alloying element;10 minutes are kept the temperature at 1150 degree when melting, leans on high-frequency induction
Stove electromagnetic agitation is uniform;1 minute being kept the temperature at 1250 degree after stirring evenly and being cast come out of the stove;Billon 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 golden plate 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）When some the jewelry structural members prepared using 18K rose golds, such as when ear acupuncture, tack, brooch, spring, need
Good elasticity.The hardness and strength of current tradition 18K rose gold alloys itself can meet surface rub resistance and wear-resistant
Requirement, but when for preparing as described above various aciculiform objects or spring, existing elastic property, which cannot meet, to be wanted
It asks.Regrettably, the solution of these current elongated members is exactly using traditional silver alloy and to plate or wrap
Last layer 18K rose golds are covered temporarily to solve the problems, such as this.The 18K rose golds billon of present patent application protection is in satisfaction pair
Under the requirement of tensile strength and case hardness, also there is extremely excellent elastic property.The yield strength of the material is 100-
120MPa, tensile strength 280-290MPa, elongation percentage 40-60%, elasticity modulus 90-95GPa.In comparison, traditional
The yield strength of 18K rose golds billon is 80-90MPa, tensile strength 160-190MPa, elongation percentage 20-30%, bullet
Property modulus be 60-70GPa.It, can be with it can be seen that the material is while the tensile strength of inheriting tradition 18K rose gold billons
Obtain the elasticity modulus and elongation percentage of bigger.These excellent performances allow the alloy to be widely used in aciculiform object and bullet
The production of spring object completely solves current jewellery industry for the insufficient present situation of 18K rose gold alloy material performances.
（2）The alloyage process of present patent application, alloy element selection can make final alloy structure obtain
Refinement.Since alloying element and matrix gold element form dystectic compound, the thinning microstructure as heterogeneous nucleus.This
Outside, 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 billon and liquidus temperature.
In solidification, alloying element is enriched in solid-liquid interface forward position, and the temperature that dendrite is linked to be skeleton can be made to postpone, made under quasi- solidus
Drop, increases the liquidus temperature section of alloy, improves the casting character of alloy.Most of all, alloying element is to billon
Color influences are little, have beautiful color saturation.
（3）The material can form the protective film of passivation in corrosive environment, and this film is shown not in different media
Same corrosion resistance also relatively stablizes the corrosion resistance of strong acid, strong basicity sweat.The rose gold ornaments of the material preparation is in sea
It is worn under foreign and desert environment that metachromatism does not occur in 10 years, and traditional 18K rose golds just have table after using 3 years
The phenomenon that face changes colour.In addition, up under normal use environment in 10 years validity periods surface will not occur for the alloy
Cut.Even if nail is streaked in the alloy surface, any trace will not be left, considerably increases the surface of rose gold material
Hardness.With the similar appearance of common jewellery 18K rose golds, the processing having had, welding performance want melting, processing without special
It asks, price is relatively low, is the rose gold upgrading products of current color and luster grace.It is contemplated that the implementation and industrialization of the material can take
Obtain excellent economic benefit and social benefit.
Specific implementation mode
Embodiment 1
A kind of 18K rose gold billons with excellent resilience performance.By weight percentage, the group of alloy becomes:Ba:
0.2wt.%,Li:1.0wt.%,Os:0.8wt.%,W:0.2wt.%,Sn:2.0wt.%,Co:1.0wt.%,Ag:10.0wt.%,Au:
74.0wt.%, surplus are copper.A kind of preparation method of above-mentioned 18K rose gold billons with excellent resilience performance, 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;Billon 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 golden plate 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 meets under the requirement to tensile strength and case hardness, also has extremely excellent elastic property.The material
Material can obtain the elasticity modulus and elongation percentage of bigger while the tensile strength of inheriting tradition 18K rose gold billons.
These excellent performances allow the alloy to be widely used in the production of aciculiform object and spring object, completely solve at present
Jewellery industry is for the 18K rose golds insufficient present situation of alloy material performance.The material can form passivation in corrosive environment
Protective film, this film shows different corrosion resistances in different media, to strong acid, strong basicity sweat it is anticorrosive
Property also relatively stablize.The rose gold ornaments of the material preparation is worn existing that discoloration does not occur in 10 years under ocean and desert environment
As, and traditional 18K rose golds just have the phenomenon that surface discolouration after using 3 years.In addition, the alloy is up to 10 years
In validity period under normal use environment, surface scratch will not occur.Even if nail is streaked in the alloy surface, will not leave
Any trace considerably increases the case hardness of rose gold material.With the similar appearance of common jewellery 18K rose golds, have
Processing well, welding performance, to melting, processing without particular/special requirement, price is relatively low, is the rose gold upgrading production of current color and luster grace
Product.
Embodiment 2
A kind of 18K rose gold billons with excellent resilience performance.By weight percentage, the group of alloy becomes:Ba:
0.3wt.%,Li:1.4wt.%,Os:1.0wt.%,W:0.5wt.%,Sn:3.5wt.%,Co:1.8wt.%,Ag:15.0wt.%,Au:
76.0wt.%, surplus are copper.A kind of preparation method of above-mentioned 18K rose gold billons with excellent resilience performance, 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;Billon 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 golden plate 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 meets under the requirement to tensile strength and case hardness, also has extremely excellent elastic property.The material
Material can obtain the elasticity modulus and elongation percentage of bigger while the tensile strength of inheriting tradition 18K rose gold billons.
These excellent performances allow the alloy to be widely used in the production of aciculiform object and spring object, completely solve at present
Jewellery industry is for the 18K rose golds insufficient present situation of alloy material performance.The material can form passivation in corrosive environment
Protective film, this film shows different corrosion resistances in different media, to strong acid, strong basicity sweat it is anticorrosive
Property also relatively stablize.The rose gold ornaments of the material preparation is worn existing that discoloration does not occur in 10 years under ocean and desert environment
As, and traditional 18K rose golds just have the phenomenon that surface discolouration after using 3 years.In addition, the alloy is up to 10 years
In validity period under normal use environment, surface scratch will not occur.Even if nail is streaked in the alloy surface, will not leave
Any trace considerably increases the case hardness of rose gold material.With the similar appearance of common jewellery 18K rose golds, have
Processing well, welding performance, to melting, processing without particular/special requirement, price is relatively low, is the rose gold upgrading production of current color and luster grace
Product.
Embodiment 3
A kind of 18K rose gold billons with excellent resilience performance.By weight percentage, the group of alloy becomes:Ba:
0.2wt.%,Li:1.2wt.%,Os:0.9wt.%,W:0.4wt.%,Sn:2.8wt.%,Co:1.5wt.%,Ag:12.0wt.%,Au:
75.0wt.%, surplus are copper.A kind of preparation method of above-mentioned 18K rose gold billons with excellent resilience performance, 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;Billon 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 golden plate 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 meets under the requirement to tensile strength and case hardness, also has extremely excellent elastic property.The material
Material can obtain the elasticity modulus and elongation percentage of bigger while the tensile strength of inheriting tradition 18K rose gold billons.
These excellent performances allow the alloy to be widely used in the production of aciculiform object and spring object, completely solve at present
Jewellery industry is for the 18K rose golds insufficient present situation of alloy material performance.The material can form passivation in corrosive environment
Protective film, this film shows different corrosion resistances in different media, to strong acid, strong basicity sweat it is anticorrosive
Property also relatively stablize.The rose gold ornaments of the material preparation is worn existing that discoloration does not occur in 10 years under ocean and desert environment
As, and traditional 18K rose golds just have the phenomenon that surface discolouration after using 3 years.In addition, the alloy is up to 10 years
In validity period under normal use environment, surface scratch will not occur.Even if nail is streaked in the alloy surface, will not leave
Any trace considerably increases the case hardness of rose gold material.With the similar appearance of common jewellery 18K rose golds, have
Processing well, welding performance, to melting, processing without particular/special requirement, price is relatively low, is the rose gold upgrading production of current color and luster grace
Product.
Claims (3)
1. a kind of 18K rose gold billons with excellent resilience performance；According to weight percent, the ingredient of the alloy is:
Ba:0.2-0.3wt.%,Li:1.0-1.4wt.%,Os:0.8-1.0wt.%,W:0.2-0.5wt.%,Sn:2.0-3.5wt.%,Co:
1.0-1.8wt.%,Ag:10.0-15.0wt.%,Au:74.0-76.0wt.%, surplus are copper.
2. a kind of 18K rose gold billons with excellent resilience performance described in claim 1, it is characterised in that including as follows
Smelting step：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;Billon casting uses
The punching block of diameter 100-200mm, and cooled down by the way of water cooling.
3. according to a kind of 18K rose gold billons with excellent resilience performance described in claim 1, it is characterised in that comprising such as
It is lower to use step：The ingot casting of gained is rolled at room temperature, it is 30-40% that every time, which rolls lower amount,;Per intermediate after rolling twice
Annealing temperature is 680 degree, keeps the temperature 0.5 hour;Material is finally rolled into the golden plate that thickness is 10-20mm;It was molded in jewellery
Cheng Zhong needs to carry out intermediate annealing process, eliminates the stress in process;Wherein, homogenization temperature is 800 degree, and the time is
1-2 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738746.0A CN108796273A (en) | 2018-07-02 | 2018-07-02 | A kind of 18K rose gold billons with excellent resilience performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738746.0A CN108796273A (en) | 2018-07-02 | 2018-07-02 | A kind of 18K rose gold billons with excellent resilience performance |
Publications (1)
| Publication Number | Publication Date |
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| CN108796273A true CN108796273A (en) | 2018-11-13 |
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ID=64075514
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810738746.0A Withdrawn CN108796273A (en) | 2018-07-02 | 2018-07-02 | A kind of 18K rose gold billons with excellent resilience performance |
Country Status (1)
| Country | Link |
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| CN (1) | CN108796273A (en) |
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2018
- 2018-07-02 CN CN201810738746.0A patent/CN108796273A/en not_active Withdrawn
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Application publication date: 20181113 |