CN110106389A - A kind of martensitic traoformation type jewellery silver alloy and its processing technology - Google Patents
A kind of martensitic traoformation type jewellery silver alloy and its processing technology Download PDFInfo
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- CN110106389A CN110106389A CN201910420064.XA CN201910420064A CN110106389A CN 110106389 A CN110106389 A CN 110106389A CN 201910420064 A CN201910420064 A CN 201910420064A CN 110106389 A CN110106389 A CN 110106389A
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
- A44C27/002—Metallic materials
- A44C27/003—Metallic alloys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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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
- C22C5/06—Alloys based on silver
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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
- C22C5/06—Alloys based on silver
- C22C5/08—Alloys based on silver with copper as the next major constituent
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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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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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
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
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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 martensitic traoformation type jewellery silver alloy and its processing technologys.By weight percentage, the composition of alloy are as follows: Y:0.1-0.3wt.%, Mo:0.5-0.8wt.%, Co:4.0-6.0wt.%, Ta:1.0-1.5wt.%, In:10.0-15.0wt.%, Pd:1.0-1.5wt.%, Os:0.1-0.2wt.%, Cu:10.0-20.0wt.%, surplus are silver.The material proposes a kind of novel silver alloy for having colorful appearance as pearl, that is, the alloy with this spot effect for the demand of current jewellery industry.The alloy meet it is existing to high-end jewellery silver alloy the needs of outside, great social value and economic value can also obtained.
Description
Technical field
The present invention relates to technical field of alloy, specifically, being related to a kind of silver alloy.
Background technique
In first jewelry alloy, billon is most important one kind.The market demand of jewelry gold alloy is in recent years
Jewelry market rapidly extends, and also indirectly illustrates gold ornaments in the critical role of world's jewellery industry.This is largely
Have benefited from the beautiful color of gold, long-term preservation will not change colour and good processing performance.Although being used for the billon product of jewellery
Kind is numerous, and appearance color is changeable, and what is most attracted people's attention is known as the jewelry gold alloy of this spot gold.
This spot gold is using the martensite in billon or to be similar to surface relief caused by martensitic traoformation and essence
The light barrier diffraction effect that thin layer structure generates under the effect of light, so that billon surface can be generated similar to shell
Bright-colored flashing effect, with regard to this so-called spot effect of people, the billon with this effect is also referred to as this spot gold for this.It adopts
Very satisfactory acceptance level and sales volume are at home and abroad achieved with the jewellery that this billon makes, also becomes first
Research and development and industrialization target of the decorations billon within coming few decades.
It is compared with gold, silver-colored price is relatively cheap.The jewellery ornaments of silver alloy have very big need in China various nationalities
Dosage, particularly suitable for inlaid diamond, its color very matches its intensity and Work Hardening Characteristic with the color of diamond,
It can be made zingy jewellery.Although the billon with this spot effect is successfully developed to billon at present,
It is exactly the grating effect that is generated on surface of martensitic traoformation using gold, interior this spot alloy about silver-base alloy at the international level
Report it is also considerably less promoted and industrialization so that weiss spot silver jewellery is large-scale not yet at home.
As specific gravity of China's economy in world economy further enhances, demand of the people to advanced jewellery silver alloy
It is more and more vigorous.The research and development and industrialization of this spot silver alloy do not promote as early as possible, not only influence the development of jewellery industry, also seriously
Constraining China, forward position is occupied in the field.Thus, with the intensification of domestic and international jewellery market competition, it is necessary to add
It is fast to innovate paces to develop this novel spot silver alloy.This is not only the demand of China's jewellery industry survival and development, and works as
The Main way of modern jewellery industry development.This patent is exactly the solution in a kind of materialogy proposed to solve these statuses
Scheme, that is, phase transformation and crystallography information in silver alloy are regulated and controled by the thermodynamics of bottom and crystallography information, it develops
Jewellery with color as pearl meet domestic and international demand with silver alloy.
Summary of the invention
The purpose of the present invention is to overcome the deficiency in the prior art, provide a kind of martensitic traoformation type jewellery silver alloy and
Its processing technology.The alloy is due in institutional framework producing martensitic traoformation and diffraction can be generated to incident light by generating
Surface relief and fine layer structure.Except when light can generate the colorful of many spotted after being irradiated to the alloy surface
Effect outside, additionally it is possible to there is very excellent mechanical property.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of martensitic traoformation type jewellery silver alloy and its processing technology.By weight percentage, composition of alloy are as follows: Y:
0.1-0.3wt.%,Mo:0.5-0.8wt.%,Co:4.0-6.0wt.%,Ta:1.0-1.5wt.%,In:10.0-15.0wt.%,Pd:
1.0-1.5wt.%, Os:0.1-0.2wt.%, Cu:10.0-20.0wt.%, surplus are silver.
A kind of above-mentioned martensitic traoformation type jewellery silver alloy and its processing technology, comprise the following steps that (a) matches
Material: the weighing of raw material is carried out according to mass percent as above；(b) it smelts: the antivacuum induction melting furnace protected using argon gas
Melting is carried out, wherein crucible uses graphite crucible；10 minutes are kept the temperature in 1050-1100 degree and utilize electromagnetic agitation by alloy melt
It is sufficiently stirred, then carries out swage tool and cast, and be rapidly cooled using water cooling;(c) subsequent pressure processing and heat
Processing: resulting ingot casting is rolled at room temperature, and rolling lower amount per pass is 5-8%;Per intermediate anneal temperature after rolling twice
For 300-400 degree, 1.0-2.0 hours are kept the temperature;Material is finally rolled into the plate with a thickness of 10-15mm;It was formed in jewellery
After polishing in journey, need to carry out last quenching engineering, technique is in heating in vacuum to 400-500 degree and to keep the temperature 1.0-1.5 small
Alloy is carried out water quenching by Shi Hou.
Compared with prior art, the invention has the following beneficial effects:
(1) silver jewellery alloy surface can obtain the effect as mirror surface by polishing, but obtain similar shell appearance colour
Bright-colored effect just must be by way of surface coating.These obtain bright-colored perception by physics or chemical method plated film
Method although existing demand can be solved to a certain extent, it has to be observed that these skins covering of the surface were used in subsequent
Cheng Zhonghui occurs serious abrasion and causes plated film that usur occurs.Meanwhile these plated films are also due to air or human sweat
Serious corrosion is caused to decolourize.Thus for using angle, the method for plated film is not to obtain colorful silver jewellery
A kind of ideal solution.This patent proposes a kind of based on martensitic traoformation generation relief and essence from actual demand
This spot silver alloy and its processing technology of microlite structure.
(2) alloy develops this spot silver alloy of bright-colored flashing using the phase transformation and crystal structure characteristic of silver alloy,
Form the new varieties of jewellery silver alloy ornaments.The core of design of material is to utilize layer structure caused by martensitic traoformation
Reflecting grating effect is generated on surface with surface relief, to generate this spot effect.Due to different crystal grain inner lamination structure spacing
It is different, fine layer structure constitutes color grating effect to the reflection of incident light in each crystal grain.Present patent application protection
This spot silver alloy there are optimal layer structure spacing (2-3 microns) to generate colour flicker effect.This dynamic flashing
Effect is such as the effect in surface inserting diamond.Simultaneously as the stratiform spacing and crystalline substance of this flicker effect and microstructure
Body orientation is related.The spacing and crystal orientation that lamellar tissue is controlled by control heat treatment process, can make silver alloy obtain
Obtain glitter decorative pattern.Thus, this spot Silver Jewelry has very unique glitter decorative pattern, and more standby aesthetics watches and reserve value.
(3) melting range of the alloy is 840-860 degree, has low-down liquid phase and solid phase solidification temperature range.Cause
And when melt solidifies during cooling, very excellent mobile performance and filling mold performance can be embodied.
In addition, there is low-down gettering ability, and the generation of the dross in ingot casting can be reduced to greatest extent when smelting.
After casting using traditional handicraft to the material, the hot cracking tendency generated when casting can be reduced, and casting can be optimized
The excessive and loose technical problems such as obvious of process Hole.Since smelting process is simple, heat treatment process also only needs traditional
Equipment, thus after increasing the appearance perception of jewellery silver alloy, it also can be carried out large-scale marketization production.
(4) material is with the color of fine silver under as cast condition and quenching state, and the mass-tone of alloy is still after polishing and quenching
It is so silver color, but flashes white, red, the gorgeous colors such as indigo plant.In the microstructure of the alloy, all uniform distribution in crystal grain
The lath-shaped of regular arrangement or the martensite substructure of stratiform.There is the alloy very excellent mechanical property to carry out
The big distortion of jewellery, yield strength 300-340MPa, tensile strength 400-420MPa, elongation percentage 10-15%.
(5) traditional jewellery are to be easy to produce age softening with the major issue of silver alloy in use.Silver closes
After metalworking in use process, in room temperature after several months or several years, mechanical strength and hardness have the phenomenon that decline,
It is exactly age softening phenomenon.The novel silver alloy of present patent application protection, due to belonging to martensite type alloy, in the process of quenching
In be changed into the microstructure of stratiform, and alloying element is evenly distributed in silver-based body tissue, can delay martensite significantly
The Recovery and recrystallization process of substructure Dislocations and defect.While effectively having refined as-cast structure, increasing also can achieve
The use intensity and resistance to aging and softening performance of the strong alloy.Thus, using the jewellery of material preparation in 5 years use processes
Apparent age softening phenomenon is not found.
Specific embodiment
Embodiment 1
A kind of martensitic traoformation type jewellery silver alloy and its processing technology.By weight percentage, the composition of alloy are as follows:
Y:0.1wt.%,Mo:0.6wt.%,Co:4.2wt.%,Ta:1.0wt.%,In:12.0wt.%,Pd:1.0wt.%,Os:0.1wt.%,
Cu:10.00wt.%, surplus are silver.
A kind of above-mentioned martensitic traoformation type jewellery silver alloy and its processing technology, comprise the following steps that (a) matches
Material: the weighing of raw material is carried out according to mass percent as above；(b) it smelts: the antivacuum induction melting furnace protected using argon gas
Melting is carried out, wherein crucible uses graphite crucible；10 minutes are kept the temperature at 1050 degree and using electromagnetic agitation that alloy melt is abundant
Then stirring is carried out swage tool and is cast, and is rapidly cooled using water cooling;(c) subsequent pressure processing and heat treatment:
Resulting ingot casting is rolled at room temperature, rolling lower amount per pass is 5%;It is 300 per intermediate anneal temperature after rolling twice
Degree keeps the temperature 1.0 hours;Material is finally rolled into the plate with a thickness of 10mm;In jewellery forming process polish after, need into
The last quenching engineering of row, technique are that 420 degree and after keeping the temperature 1.0 hours, alloy is carried out water quenching in heating in vacuum.
The fusing point of the alloy is 850 degree, has low-down liquid phase and solid phase solidification temperature range.Thus, when melt exists
When solidifying during cooling, very excellent mobile performance and filling mold performance can be embodied.The material is being cast
Under state and quenching state with fine silver color, the mass-tone of alloy remains as silver color after polishing and quenching, but flash it is white,
It is red, the gorgeous colors such as indigo plant.In the microstructure of the alloy, be all uniformly dispersed in crystal grain regular arrangement lath-shaped or
The martensite substructure of person's stratiform.The alloy has very excellent mechanical property to carry out the big distortion of jewellery, bends
Taking intensity is 300MPa, tensile strength 400MPa, elongation percentage 10%.The novel silver alloy of present patent application protection, due to belonging to
In martensite type alloy, it is changed into the microstructure of stratiform during quenching, and alloying element is evenly distributed in silver-based
In body tissue, the Recovery and recrystallization process of martensite substructure Dislocations and defect can be delayed significantly.In effective refinement
While as-cast structure, the use intensity and resistance to aging and softening performance for enhancing the alloy also can achieve.Thus, using the material
The jewellery of preparation are in 5 years use processes without finding apparent age softening phenomenon.
Embodiment 2
A kind of martensitic traoformation type jewellery silver alloy and its processing technology.By weight percentage, the composition of alloy are as follows:
Y:0.3wt.%,Mo:0.8wt.%,Co:6.0wt.%,Ta:1.5wt.%,In:14.0wt.%,Pd:1.4wt.%,Os:0.1wt.%,
Cu:18.0wt.%, surplus are silver.
A kind of above-mentioned martensitic traoformation type jewellery silver alloy and its processing technology, comprise the following steps that (a) matches
Material: the weighing of raw material is carried out according to mass percent as above；(b) it smelts: the antivacuum induction melting furnace protected using argon gas
Melting is carried out, wherein crucible uses graphite crucible；10 minutes are kept the temperature at 1080 degree and using electromagnetic agitation that alloy melt is abundant
Then stirring is carried out swage tool and is cast, and is rapidly cooled using water cooling;(c) subsequent pressure processing and heat treatment:
Resulting ingot casting is rolled at room temperature, rolling lower amount per pass is 8%;It is 380 per intermediate anneal temperature after rolling twice
Degree keeps the temperature 1.5 hours;Material is finally rolled into the plate with a thickness of 14mm;In jewellery forming process polish after, need into
The last quenching engineering of row, technique are that 480 degree and after keeping the temperature 1.0 hours, alloy is carried out water quenching in heating in vacuum.
The fusing point of the alloy is 850 degree, has low-down liquid phase and solid phase solidification temperature range.Thus, when melt exists
When solidifying during cooling, very excellent mobile performance and filling mold performance can be embodied.The material is being cast
Under state and quenching state with fine silver color, the mass-tone of alloy remains as silver color after polishing and quenching, but flash it is white,
It is red, the gorgeous colors such as indigo plant.In the microstructure of the alloy, be all uniformly dispersed in crystal grain regular arrangement lath-shaped or
The martensite substructure of person's stratiform.The alloy has very excellent mechanical property to carry out the big distortion of jewellery, bends
Taking intensity is 320MPa, tensile strength 410MPa, elongation percentage 14%.The novel silver alloy of present patent application protection, due to belonging to
In martensite type alloy, it is changed into the microstructure of stratiform during quenching, and alloying element is evenly distributed in silver-based
In body tissue, the Recovery and recrystallization process of martensite substructure Dislocations and defect can be delayed significantly.In effective refinement
While as-cast structure, the use intensity and resistance to aging and softening performance for enhancing the alloy also can achieve.Thus, using the material
The jewellery of preparation are in 5 years use processes without finding apparent age softening phenomenon.
Embodiment 3
A kind of martensitic traoformation type jewellery silver alloy and its processing technology.By weight percentage, the composition of alloy are as follows:
Y:0.2wt.%,Mo:0.6wt.%,Co:5.0wt.%,Ta:1.2wt.%,In:13.0wt.%,Pd:1.2wt.%,Os:0.1wt.%,
Cu:14.0wt.%, surplus are silver.
A kind of above-mentioned martensitic traoformation type jewellery silver alloy and its processing technology, comprise the following steps that (a) matches
Material: the weighing of raw material is carried out according to mass percent as above；(b) it smelts: the antivacuum induction melting furnace protected using argon gas
Melting is carried out, wherein crucible uses graphite crucible；10 minutes are kept the temperature at 1090 degree and using electromagnetic agitation that alloy melt is abundant
Then stirring is carried out swage tool and is cast, and is rapidly cooled using water cooling;(c) subsequent pressure processing and heat treatment:
Resulting ingot casting is rolled at room temperature, rolling lower amount per pass is 5-8%;It is 360 per intermediate anneal temperature after rolling twice
Degree keeps the temperature 1.5 hours;Material is finally rolled into the plate with a thickness of 12mm;In jewellery forming process polish after, need into
The last quenching engineering of row, technique are that 460 degree and after keeping the temperature 1.2 hours, alloy is carried out water quenching in heating in vacuum.
The fusing point of the alloy is 840 degree, has low-down liquid phase and solid phase solidification temperature range.Thus, when melt exists
When solidifying during cooling, very excellent mobile performance and filling mold performance can be embodied.The material is being cast
Under state and quenching state with fine silver color, the mass-tone of alloy remains as silver color after polishing and quenching, but flash it is white,
It is red, the gorgeous colors such as indigo plant.In the microstructure of the alloy, be all uniformly dispersed in crystal grain regular arrangement lath-shaped or
The martensite substructure of person's stratiform.The alloy has very excellent mechanical property to carry out the big distortion of jewellery, bends
Taking intensity is 320MPa, tensile strength 405MPa, elongation percentage 12%.The novel silver alloy of present patent application protection, due to belonging to
In martensite type alloy, it is changed into the microstructure of stratiform during quenching, and alloying element is evenly distributed in silver-based
In body tissue, the Recovery and recrystallization process of martensite substructure Dislocations and defect can be delayed significantly.In effective refinement
While as-cast structure, the use intensity and resistance to aging and softening performance for enhancing the alloy also can achieve.Thus, using the material
The jewellery of preparation are in 5 years use processes without finding apparent age softening phenomenon.
Claims (2)
1. a kind of martensitic traoformation type jewellery silver alloy and its processing technology, it is characterised in that by weight percentage, close
The chemical component of gold are as follows: Y:0.1-0.3wt.%, Mo:0.5-0.8wt.%, Co:4.0-6.0wt.%, Ta:1.0-1.5wt.%, In:
10.0-15.0wt.%, Pd:1.0-1.5wt.%, Os:0.1-0.2wt.%, Cu:10.0-20.0wt.%, surplus are silver.
2. a kind of martensitic traoformation type jewellery silver alloy and its processing technology according to claim 1, it is characterised in that
It comprises the following steps :(a) ingredient: carrying out the weighing of raw material according to mass percent as above；(b) it smelts: being protected using argon gas
Antivacuum induction melting furnace carry out melting, wherein crucible use graphite crucible；10 minutes are kept the temperature in 1050-1100 degree and are utilized
Alloy melt is sufficiently stirred electromagnetic agitation, then carries out swage tool and is cast, and is rapidly cooled using water cooling;(c)
Subsequent pressure processing and heat treatment: resulting ingot casting is rolled at room temperature, and rolling lower amount per pass is 5-8%;Per twice
Intermediate anneal temperature is 300-400 degree after rolling, keeps the temperature 1.0-2.0 hours;Finally material is rolled into a thickness of 10-15mm's
Plate;After polishing in jewellery forming process, need to carry out last quenching engineering, technique is in heating in vacuum to 400-500
After spending and keeping the temperature 1.0-1.5 hours, alloy is subjected to water quenching.
Priority Applications (1)
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| CN201910420064.XA CN110106389A (en) | 2019-05-20 | 2019-05-20 | A kind of martensitic traoformation type jewellery silver alloy and its processing technology |
Applications Claiming Priority (1)
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| CN201910420064.XA CN110106389A (en) | 2019-05-20 | 2019-05-20 | A kind of martensitic traoformation type jewellery silver alloy and its processing technology |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101258253A (en) * | 2005-08-03 | 2008-09-03 | 金银手选工段公共股份公司 | Platinum alloy and method of production thereof |
| CN101565783A (en) * | 2009-05-27 | 2009-10-28 | 上海交通大学 | Gold alloy with 18k span effect and preparation method thereof |
| CN102130069A (en) * | 2008-07-14 | 2011-07-20 | Mk电子株式会社 | Ag-base alloy lead wire for semiconductor packaging |
| CN103131885A (en) * | 2011-11-21 | 2013-06-05 | 赫劳斯材料工艺有限及两合公司 | Silver bond wire for semiconductor devices |
| CN108866377A (en) * | 2018-08-02 | 2018-11-23 | 广州宇智科技有限公司 | Hydrogen sulfide corrosion-resistant, which changes colour, has the silver alloy and its processing technology of red appearance |
-
2019
- 2019-05-20 CN CN201910420064.XA patent/CN110106389A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101258253A (en) * | 2005-08-03 | 2008-09-03 | 金银手选工段公共股份公司 | Platinum alloy and method of production thereof |
| CN102130069A (en) * | 2008-07-14 | 2011-07-20 | Mk电子株式会社 | Ag-base alloy lead wire for semiconductor packaging |
| CN101565783A (en) * | 2009-05-27 | 2009-10-28 | 上海交通大学 | Gold alloy with 18k span effect and preparation method thereof |
| CN103131885A (en) * | 2011-11-21 | 2013-06-05 | 赫劳斯材料工艺有限及两合公司 | Silver bond wire for semiconductor devices |
| CN108866377A (en) * | 2018-08-02 | 2018-11-23 | 广州宇智科技有限公司 | Hydrogen sulfide corrosion-resistant, which changes colour, has the silver alloy and its processing technology of red appearance |
Non-Patent Citations (1)
| Title |
|---|
| 宁远涛等: "《贵金属珠宝饰品材料学》", 30 August 2013, 北京：冶金工业出版社 * |
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Application publication date: 20190809 |