CN108677054A - Corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te - Google Patents
Corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te Download PDFInfo
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- CN108677054A CN108677054A CN201810656254.7A CN201810656254A CN108677054A CN 108677054 A CN108677054 A CN 108677054A CN 201810656254 A CN201810656254 A CN 201810656254A CN 108677054 A CN108677054 A CN 108677054A
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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 corrosion-resistant deformation resistant 14K rose-red gold billons containing Mg and Te.According to weight percent, the ingredient of the alloy is:Mg:0.6‑0.8wt.%,Nb:0.2‑0.5wt.%,In:3.0‑4.0wt.%,Te:0.3‑0.5wt.%,Ag:14.0‑20.0wt.%,Au:57.0 59.0wt.%, surplus are copper.The patent solves current 14K rose golds, and there is a phenomenon where fade in use.The development bottleneck of jewellery 14K rose gold materials is broken through by the innovation and optimization of alloying component.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 application field is very wide, in the departments such as electronics, communication, aerospace, chemical industry, medical treatment and people's daily life
In be widely used space.Jewelry gold is an important application field of gold.Other than in addition to the reason of the insurable value of gold, clearly
Color that is bright and allowing people to like is also an important factor.For billon, remove outside White gold, it is other to be all referred to as
For handsel.It is most commonly that 18K handsels, K are the symbols for being used for indicating fineness of gold in the world in life.18K gold refers to Huang
The gold that gold content is 75%, and remaining 25% is made of according to a certain percentage other metals.Why show
Colored reason is because metal ratio is different.Many billons have these effects, such as golden nickel alloy, golden indium alloy, gold
Copper alloy, electrum etc..The color and luster of most of billon is golden series, such as golden yellow, shallow golden yellow, rose gold.Another
Colour system is inclined red colour system, such as pink, pink, rose-red.Electrum can also obtain green, wherein golden nickel alloy and gold and silver close
Gold can obtain this color effects.
People custom by color and individual emotional connection together with.In fashion world, rose gold is fashionable for a long time, this metal
Once it was popular in the Russia in 19th century, therefore is claimed Russia's gold again.Rose gold is by 75% gold and a certain amount of copper, silver and zinc
It is made according to a certain percentage.Due to having the characteristics that ductility is strong, flintiness is high, color desktop, very by
To liking for people.And pink color is even more related to romance, allows people to love full of the romantic imagination.As in handsel
One kind, rose gold have very strong plasticity, can preferably be competent at the gold jewellery design of accurate exquisiteness, by the heavenly steed of designer
Row sky performs to ultimate attainment.
Rose gold is a kind of most popular color of current furnishing fields, includes the appearance of jewellery and electronic product.
After iPhone6s releases rose gold version, the color matching that many manufacturers also start to be added rose gold on oneself product one after another comes
User, rose gold is attracted to have become the mainstream color of electronic product.Apple is then taken advantage of victory and is pursued and attacked, and rose gold version is proposed
IPad, MacBook and Beats earphone.Huawei is also proposed the wrist-watch product and MateS of rose gold version.Samsung also pushes away
The GearS2 smartwatch of rose gold version is gone out.
Currently, the rose-red karat gold jewellery occurred on the market, consumer often complain that purchased product color is not red, it is easy to
There is the problems such as dark and gloomy and discoloration, or even suspects the of bad quality of jewellery.Even rose-red karat gold is when using or placing one section
Between, surface is easy dark and gloomy and discoloration, without initial brightness and color and luster.The also jewellery frequent occurrence in K red gold ornaments productions
The objection that manufacturing enterprise judges color with client, causes to return goods or reprocess.This problem and the material character of the red gold of K have closely
Relationship also has certain relationship with manufacture craft and use condition certainly.For alloy material, the red gold of K is mainly using copper as conjunction
Gold element.The chemical stability of copper is poor for gold relatively, is easy to react to form copper oxide or copper sulfide with oxygen, sulphur etc., thus
Result in rose gold leads to surface discolouration in use for some time or during production.
Rose-red gold has been that field of jewelry is inevitable there is a phenomenon where fading in using process or preparation process
The problem of.For a long time, enterprise and research institution both domestic and external have carried out many trials and research to this problem.Have
Mechanism prevents the discolouration phenomena of rose gold from occurring by plating one layer of very thin protective layer in rose gold surface, the company also having
Suitable alloying element is screened by the method for alloying provides solution to discolouration phenomena.But up to the present, and
The phenomenon that neither one total solution can allow rose gold to avoid fading in 10 years validity periods.By advanced
Design of material technology can innovate alloy material by the thermodynamics and kinetics means of bottom, and to rose gold
During use occur discolouration phenomena solution and industrialization have prodigious market value.In face of the international state being growing more intense
Interior market competition, it is necessary to which paces of accelerating restructuring, this is not only the needs of China's jewellery industry survival and development, and current
The development trend of world's related field.Briefly, it prevents from fading to break through restriction China by technological innovation and optimization design
Rose gold production with use development bottleneck.
Invention content
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of corrosion-resistant deformation resistant 14K rose-reds gold with containing
Mg and Te billons.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te.By weight percentage, the group of alloy becomes
Mg:0.6-0.8wt.%,Nb:0.2-0.5wt.%,In:3.0-4.0wt.%,Te:0.3-0.5wt.%,Ag:14.0-20.0wt.%,
Au:57.0-59.0wt.%, surplus are copper.
Above-mentioned corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te.Preparation method, include 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;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）Traditional 14K rose gold material compositions are also uncomplicated, but dendritic segregation is serious after pouring into a mould, and is unfavorable for its processability
Energy and corrosion resistance.Homogenization Treatments must be carried out before processing, corrosion resistance when causing the cumbersome of process and using
It can be insufficient.Thus, the phenomenon that 14K rose golds just have decoloration in 1-2 or fade after use.The alloy of this patent exists
When carrying out alloying component and performance optimization, the screening of alloying component is first from the point of view of Electrochemical Corrosion Mechanism, choosing
Passivating film can be formed on surface by selecting the alloying element being added in billon, to play a protective role to ambient enviroment corrosion.
Alloying element be added is harmless, without side-effects with skin contact, inexpensive, resourceful.To improve corrosion stability and processing
Property, alloying element and the matrix billon of selection should form homogeneous structure.Thus, it solves one vital
Topic, exactly improves the anti-discoloration in atmospheric conditions and in use environment.By prolonged marine environment and desert ring
The billon of the test in border, present patent application protection can make the novel 14K rose golds remain to keep in using 8-10
Original rose-red quality is shown to the extremely huge corrosion resistance of environment.
（2）Traditional 14K rose golds need to carry out medium temperature hot forging processing before rolling after Homogenization Treatments.But due to
Inside ingot is of poor quality, and remaining has oxide to be mingled with, and when forging will generate micro-crack at oxide inclusion.In forging process,
Micro-crack further expands, and causes lumber recovery low.The billon of present patent application protection makes crystal grain be refined.In addition, the conjunction
Gold utensil has low liquid-solid phase solidification temperature range, and hot cracking tendency is big when can solve to cast, casting cavity and loose apparent product
The low equal technical barriers of yield rate.
（3）The billon of present patent application protection has the color as tradition 14K rose golds.Proportion maintains
8.15g/cm3Left and right, fusing point are 1100-1180 degree.For the alloy under conditions of nail swiping, surface not will produce any cunning
Trace.The rose gold thus is wiped through commonly using flannelette, the generation of any surface scratch can't be caused.The alloy is aerial resistance to
Corrosion belongs to compared with stabilizing material, stable type material is belonged in weak acid, weak base sweat, corrosion resistance is by being added thermodynamic stability
Higher alloying element.In corrosive environment, the protective film of passivation can be formed, this film is in different media, due to going to pole
Change effect as a result, to show different corrosion resistances, the corrosion resistance of strong acid, strong basicity sweat is also relatively stablized.
It is contemplated that the implementation and industrialization of the material obtain excellent economic benefit and social benefit.
Specific implementation mode
Embodiment 1
A kind of corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te.By weight percentage, the group of alloy becomes
Mg:0.6wt.%,Nb:0.2wt.%,In:3.0wt.%,Te:0.3wt.%,Ag:14.0wt.%,Au:57.0wt.%, surplus are copper.
The preparation method of above-mentioned corrosion-resistant deformation resistant 14K rose-reds gold billon containing Mg and Te, includes the following steps：It will as above match
Raw material be added to argon gas protection electric induction furnace in, and use graphite crucible;It is protected using the argon gas of low discharge after metal molten
Shield, avoids big air-flow from making the serious scaling loss of alloying element;10 minutes are kept the temperature at 1150 degree when melting, is stirred by Efco-Northrup furnace electromagnetism
It mixes uniformly;1 minute being kept the temperature at 1250 degree after stirring evenly and being cast come out of the stove;Billon casting uses the steel of diameter 100-200mm
Mould, and cooled down by the way of water cooling.The ingot casting of gained is rolled at room temperature, it is 30-40% that every time, which rolls lower amount,;Often
Intermediate anneal temperature is 680 degree after rolling twice, keeps the temperature 0.5 hour;Material is finally rolled into the gold that thickness is 10-20mm
Plate;In jewellery forming process, needs to carry out intermediate annealing process, eliminate the stress in process;Wherein, homogenization temperature
It it is 800 degree, the time is 1-2 hours.
For this alloy when carrying out alloying component and performance optimizes, the screening of alloying component is first from electrochemical corrosion machine
From the point of view of reason, selection, which is added to the alloying element in billon, to form passivating film on surface, to ambient enviroment corruption
Erosion plays a protective role.Alloying element be added is harmless, without side-effects with skin contact, inexpensive, resourceful.To carry
Highly resistance corrosion and processability, alloying element and the matrix billon of selection should form homogeneous structure.By prolonged ocean ring
The billon of the test in border and desert Environment, present patent application protection can make the novel 14K rose golds use 8-10
It inside remains to keep original rose-red quality, show to the extremely huge corrosion resistance of environment.Traditional 14K rose golds exist
After Homogenization Treatments, need to carry out medium temperature hot forging processing before rolling.But since inside ingot is of poor quality, remaining has oxide folder
Miscellaneous, when forging, will generate micro-crack at oxide inclusion.In forging process, micro-crack further expands, and causes lumber recovery low.
The billon of present patent application protection makes crystal grain be refined.In addition, the alloy has low liquid-solid phase solidification temperature range, it can
Hot cracking tendency is big when solving to cast, and casting cavity is low with loose apparent product yield rate to wait technical barriers.
Embodiment 2
A kind of corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te.By weight percentage, the group of alloy becomes
Mg:0.8wt.%,Nb:0.5wt.%,In:4.0wt.%,Te:0.5wt.%,Ag:20.0wt.%,Au:59.0wt.%, surplus are copper.
The preparation method of above-mentioned corrosion-resistant deformation resistant 14K rose-reds gold billon containing Mg and Te, includes the following steps：It will as above match
Raw material be added to argon gas protection electric induction furnace in, and use graphite crucible;It is protected using the argon gas of low discharge after metal molten
Shield, avoids big air-flow from making the serious scaling loss of alloying element;10 minutes are kept the temperature at 1150 degree when melting, is stirred by Efco-Northrup furnace electromagnetism
It mixes uniformly;1 minute being kept the temperature at 1250 degree after stirring evenly and being cast come out of the stove;Billon casting uses the steel of diameter 100-200mm
Mould, and cooled down by the way of water cooling.The ingot casting of gained is rolled at room temperature, it is 30-40% that every time, which rolls lower amount,;Often
Intermediate anneal temperature is 680 degree after rolling twice, keeps the temperature 0.5 hour;Material is finally rolled into the gold that thickness is 10-20mm
Plate;In jewellery forming process, needs to carry out intermediate annealing process, eliminate the stress in process;Wherein, homogenization temperature
It it is 800 degree, the time is 1-2 hours.
For this alloy when carrying out alloying component and performance optimizes, the screening of alloying component is first from electrochemical corrosion machine
From the point of view of reason, selection, which is added to the alloying element in billon, to form passivating film on surface, to ambient enviroment corruption
Erosion plays a protective role.Alloying element be added is harmless, without side-effects with skin contact, inexpensive, resourceful.To carry
Highly resistance corrosion and processability, alloying element and the matrix billon of selection should form homogeneous structure.By prolonged ocean ring
The billon of the test in border and desert Environment, present patent application protection can make the novel 14K rose golds use 8-10
It inside remains to keep original rose-red quality, show to the extremely huge corrosion resistance of environment.Traditional 14K rose golds exist
After Homogenization Treatments, need to carry out medium temperature hot forging processing before rolling.But since inside ingot is of poor quality, remaining has oxide folder
Miscellaneous, when forging, will generate micro-crack at oxide inclusion.In forging process, micro-crack further expands, and causes lumber recovery low.
The billon of present patent application protection makes crystal grain be refined.In addition, the alloy has low liquid-solid phase solidification temperature range, it can
Hot cracking tendency is big when solving to cast, and casting cavity is low with loose apparent product yield rate to wait technical barriers.
Embodiment 3
A kind of corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te.By weight percentage, the group of alloy becomes
Mg:0.7wt.%,Nb:0.4wt.%,In:3.5wt.%,Te:0.4wt.%,Ag:16.0wt.%,Au:58.0wt.%, surplus are copper.
The preparation method of above-mentioned corrosion-resistant deformation resistant 14K rose-reds gold billon containing Mg and Te, includes the following steps：It will as above match
Raw material be added to argon gas protection electric induction furnace in, and use graphite crucible;It is protected using the argon gas of low discharge after metal molten
Shield, avoids big air-flow from making the serious scaling loss of alloying element;10 minutes are kept the temperature at 1150 degree when melting, is stirred by Efco-Northrup furnace electromagnetism
It mixes uniformly;1 minute being kept the temperature at 1250 degree after stirring evenly and being cast come out of the stove;Billon casting uses the steel of diameter 100-200mm
Mould, and cooled down by the way of water cooling.The ingot casting of gained is rolled at room temperature, it is 30-40% that every time, which rolls lower amount,;Often
Intermediate anneal temperature is 680 degree after rolling twice, keeps the temperature 0.5 hour;Material is finally rolled into the gold that thickness is 10-20mm
Plate;In jewellery forming process, needs to carry out intermediate annealing process, eliminate the stress in process;Wherein, homogenization temperature
It it is 800 degree, the time is 1-2 hours.
For this alloy when carrying out alloying component and performance optimizes, the screening of alloying component is first from electrochemical corrosion machine
From the point of view of reason, selection, which is added to the alloying element in billon, to form passivating film on surface, to ambient enviroment corruption
Erosion plays a protective role.Alloying element be added is harmless, without side-effects with skin contact, inexpensive, resourceful.To carry
Highly resistance corrosion and processability, alloying element and the matrix billon of selection should form homogeneous structure.By prolonged ocean ring
The billon of the test in border and desert Environment, present patent application protection can make the novel 14K rose golds use 8-10
It inside remains to keep original rose-red quality, show to the extremely huge corrosion resistance of environment.Traditional 14K rose golds exist
After Homogenization Treatments, need to carry out medium temperature hot forging processing before rolling.But since inside ingot is of poor quality, remaining has oxide folder
Miscellaneous, when forging, will generate micro-crack at oxide inclusion.In forging process, micro-crack further expands, and causes lumber recovery low.
The billon of present patent application protection makes crystal grain be refined.In addition, the alloy has low liquid-solid phase solidification temperature range, it can
Hot cracking tendency is big when solving to cast, and casting cavity is low with loose apparent product yield rate to wait technical barriers.
Claims (3)
1. a kind of corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te；According to weight percent, the ingredient of the alloy
For: Mg:0.6-0.8wt.%,Nb:0.2-0.5wt.%,In:3.0-4.0wt.%,Te:0.3-0.5wt.%,Ag:14.0-
20.0wt.%,Au:57.0-59.0wt.%, surplus are copper.
2. corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te 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 corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656254.7A CN108677054A (en) | 2018-06-24 | 2018-06-24 | Corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656254.7A CN108677054A (en) | 2018-06-24 | 2018-06-24 | Corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108677054A true CN108677054A (en) | 2018-10-19 |
Family
ID=63811959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810656254.7A Withdrawn CN108677054A (en) | 2018-06-24 | 2018-06-24 | Corrosion-resistant deformation resistant 14K rose-red gold billon containing Mg and Te |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108677054A (en) |
-
2018
- 2018-06-24 CN CN201810656254.7A patent/CN108677054A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181019 |
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| WW01 | Invention patent application withdrawn after publication |