CN106636721A - Gold alloy - Google Patents
Gold alloy Download PDFInfo
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- CN106636721A CN106636721A CN201610938795.XA CN201610938795A CN106636721A CN 106636721 A CN106636721 A CN 106636721A CN 201610938795 A CN201610938795 A CN 201610938795A CN 106636721 A CN106636721 A CN 106636721A
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- gold alloy
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- 229910001020 Au alloy Inorganic materials 0.000 title claims abstract description 117
- 239000003353 gold alloy Substances 0.000 title claims abstract description 117
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 38
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000010931 gold Substances 0.000 claims description 76
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 70
- 229910052737 gold Inorganic materials 0.000 claims description 69
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 67
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 35
- 229910052733 gallium Inorganic materials 0.000 claims description 35
- 239000010948 rhodium Substances 0.000 claims description 33
- 229910052759 nickel Inorganic materials 0.000 claims description 32
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 30
- 229910052703 rhodium Inorganic materials 0.000 claims description 28
- 229910000807 Ga alloy Inorganic materials 0.000 claims description 20
- 239000012744 reinforcing agent Substances 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 12
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 11
- 238000005498 polishing Methods 0.000 claims description 10
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical group C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910052738 indium Inorganic materials 0.000 claims description 6
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 6
- 229910000629 Rh alloy Inorganic materials 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 238000005488 sandblasting Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 238000005482 strain hardening Methods 0.000 abstract description 7
- 238000005034 decoration Methods 0.000 abstract 1
- 235000019589 hardness Nutrition 0.000 description 32
- 229910045601 alloy Inorganic materials 0.000 description 21
- 239000000956 alloy Substances 0.000 description 21
- 208000037656 Respiratory Sounds Diseases 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910015367 Au—Sb Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- MSNOMDLPLDYDME-UHFFFAOYSA-N gold nickel Chemical compound [Ni].[Au] MSNOMDLPLDYDME-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Adornments (AREA)
Abstract
The present invention provides a high purity gold alloy with increased hardness containing trace amounts of antimony, which can be cast into many different shapes. For example, the samples herein were cast into annular ingots prior to the hardening process. The diameter of the sample annular cast ingot is 10mm-20mm which is equivalent to the size of the decoration ring. The hardness of the gold alloy is increased to about 60-100Hv and the cold working reduction is in the range of 30-70%. The invention also provides a decorative article containing the gold alloy.
Description
Technical field
The present invention relates to gold alloy, relates more specifically to the gold alloy with high-purity gold.
Background technology
Gold, here referred to as gold, be symbol be Au (from Latin language：) and a kind of your gold that atomic number is 79 aurum
Category.Proof gold or highly purified gold are bright, reddish yellow, fine and close, soft, tool toughness and ductility.Though
So the golden product of gold content close 100% is very desired, and it is widely used in manufacture jewelry or jewellery, ornament and is permitted
In many other applications, but the flexibility of proof gold or High Purity Gold makes it easier to cut, scratches and wear and tear, and thus there are some and asks
Topic.Therefore, in numerous applications, trace impurity is added in proof gold, to strengthen hardness or increase intensity.In many in Asia
Place, high-purity gold is commonly known as " pure gold ".Although without the definition of generally accepted standard, gold content is 90%
Or more gold-base alloy (here is also referred to as gold alloy) be commonly referred to as " pure gold " or " High Purity Gold ".
The content of the invention
Herein propose a kind of high-purity gold alloy (i.e. pure gold, High Purity Gold), the gold alloy comprising 99.0% (or with
On) gold and trace antimony, wherein the hardness of the gold alloy is 60Hv or more.
The gold alloy can contain 0.2% to 0.6% antimony (Sb).For example, the gold alloy can contain 0.2% or be more than
0.2% antimony, equal to, the antimony more or less than 0.25%, equal to, the antimony more or less than 0.3%, equal to, be more or less than
0.35% antimony, equal to, the antimony more or less than 0.4%, equal to, the antimony more or less than 0.45%, equal to, be more or less than
0.5% antimony, equal to, the antimony more or less than 0.55%, the antimony equal to or less than 0.6%, and/or aforementioned any numerical value and/
Or the combination of any scope.
The gold alloy can contain the nickel (Ni) of 0.02%-0.1%.For example, the gold alloy can contain 0.02% or many
In 0.02% nickel, equal to, the nickel more or less than 0.03%, equal to, the nickel more or less than 0.04%, equal to, more than or
Nickel less than 0.05%, equal to, the nickel more or less than 0.06%, equal to, the nickel more or less than 0.07%, equal to, be more than
Or less than 0.08% nickel, equal to, the nickel more or less than 0.09%, equal to or less than 0.1% nickel, it is and/or aforementioned any
The combination of numerical value and/or scope.
The gold alloy can contain the gallium (Ga) of 0.1%-0.16%.For example, the gold alloy can contain 0.1% or be more than
0.1% gallium, equal to, the gallium more or less than 0.11%, equal to, the gallium more or less than 0.12%, equal to, be more or less than
0.13% gallium, equal to, the gallium more or less than 0.14%, equal to, the gallium more or less than 0.15%, equal to or less than
0.16% gallium, and/or the combination of aforementioned any numerical value and/or scope.
The gold alloy can contain the rhodium (Rh) of 0.002%-0.005%.For example, the gold alloy can contain 0.002%
Or the rhodium more than 0.002%, equal to, the rhodium more or less than 0.0025%, equal to, the rhodium more or less than 0.003%, etc.
In, the rhodium more or less than 0.0035%, equal to, the rhodium more or less than 0.004%, equal to, more or less than 0.0045%
Rhodium, 0.005% or less than 0.005% rhodium, and/or the combination of aforementioned any numerical value and/or scope.
The gold alloy is compared with the gold alloy of same purity and/or same rigidity with higher ductility.Institute
The gold alloy of same purity and/or same rigidity is stated not comprising the ductility reinforcing agent for herein proposing or the extension for herein proposing
The amount of property reinforcing agent.
A kind of method for forming decorated articles is herein proposed, the decorated articles are the high-purity of more than 60Hv comprising hardness
Degree gold alloy, ductility reinforcing agent of the high-purity gold alloy comprising 99% or more gold, the antimony of trace and trace；
Wherein methods described includes：
- cast the high-purity gold alloy of the ductility reinforcing agent comprising 99% gold, the antimony of trace and trace
Into the shape of as cast condition gold ornaments,
- the as cast condition gold ornaments are mechanically processed as into the gold ornaments for having hardened that hardness is 60Hv or more,
- gold ornaments for having hardened are polished, to obtain smooth combination with decorative surfaces.
By carrying out the pin of some a few hours (needle tumbling) can be rolled so as to the as cast condition gold ornaments be hardened.
For example, can by carry out 2,4,6,8,10,12,14 hours and/or aforementioned any numerical value and/or scope combination
Pin is rolled so as to the as cast condition gold ornaments be hardened.
For example, the as cast condition gold ornaments can be polished by buff polishing and/or sandblasting.
For example, can be by nitric acid (HNO3) pickling being carried out at 100 DEG C 1 hour so as to through polishing and the gold jewellery for hardening
Product are processed.
The ductility reinforcing agent can be comprising gallium, nickel, rhodium or its any combination.
The ductility reinforcing agent can be for example in the form of rich gallium alloy, in the form of rich nickel alloy, with rich rhodium alloy
Form, and/or implemented in the form of rhodium and nickel alloy or apply so that the gold alloy comprising the nickel of trace, gallium and/or
Rhodium.
The gold alloy can include the gallium of such as trace.The gallium can include the rich gallium alloy of 53%-54% galliums
Form is implemented or is applied.
The rich gallium alloy can include the indium of 23%-24%.
The rich gallium alloy can include the cobalt of 17%-18%.
The rich gallium alloy can include 6.9% copper.
Specific embodiment
Antimony of the exemplary high-purity gold-base alloy (here is also referred to as gold alloy) comprising golden (Au) and trace (trace)
(Sb) (referred herein to alloy #1 or gold alloy #1).Specifically, gold of gold alloy #1 comprising 99.5 weight % and 0.5 weight
The antimony of amount %.Herein, it is " 99.5%Au-Sb " by the gold alloy #1 pet name, and when being formed in Vickers hardness mark
Initial hardness with 30-40Hv in degree.For example, by a certain amount of gold alloy #1 being melted in vacuum melting furnace and being cast as
The shape of ingot casting, so as to form the as cast condition sample (sample S1A) of a certain amount of gold alloy #1.Then will casting by machining
Aspect product S1A is hardened, for example, carry out rolling hardening for the rotation of jewelry or jewelry applications or rotation cylinder by operation
(tumbled hardening) so as to by as cast condition sample S1A hardening.It is (every with 3600rpm in cylinder in exemplary method
Revolutions per minute) and room temperature under run under conditions of, sample S1A is processed 4 hours in cylinder.Exemplary cylinder can be tool
There is the cylinder of steel needle roller (steel tumbling needle), to be processed on sample surfaces so as to strengthen hardness.
After rolling hardening, the sample S1A to having hardened is polished to make it have minute surface.A certain amount of sample
S1A is manufactured, and the hardness of the sample is in the range of 70Hv to 90Hv and is presented golden yellow.
Exemplary high-purity gold alloy (alloy #2) includes golden (Au), the antimony (Sb) of trace and gallium (Ga).Specifically,
The rich gallium alloy of gold, the antimony of 0.3 weight % and 0.2 weight % of gold alloy #2 comprising 99.5 weight %.Suitable for manufacture or
The exemplary rich gallium alloy for preparing alloy #2 has consisting of or composition (by weight)：
Gallium：53%-54%；Indium：23%-24%；Cobalt：17%-18%；Copper：6.9%；Other：<0.1%.
Herein the gold alloy #2 pet name is " 99.5%Au-Sb-X ", and wherein X is gallium or rich gallium alloy.Gold alloy #
2 initial hardnesses in Vickers hardness scale when being formed with 30-40Hv.By carrying out operation same as described above or similar
And machining, so as to formed a certain amount of gold alloy #2 as cast condition sample (sample S2A) and it is processed hardening and
Polishing, these operations and processing are incorporated herein by reference herein.Cold working reduction ratio (the cold work of alloy #2
Reduction ratio) it is 30%-40%.After rolling is hardened and polished, the hardness of gained sample S2A is in 70Hv to 90Hv
In the range of, and with the golden yellow and minute surface suitable with S1A.Compared with sample S1A, sample S2A has what is significantly increased
Ductility, and the crackle for identifying is substantially reduced.
Exemplary high-purity gold alloy (alloy #3) includes golden (Au), the antimony (Sb) of trace and gallium (Ga).It is concrete and
Speech, the rich gallium alloy of gold, the antimony of 0.4 weight % and 0.3 weight % of gold alloy #3 comprising 99.3 weight %.Gold alloy #3
When as cast condition is formed in Vickers hardness scale with 30-40Hv initial hardness, and by carry out it is same as described above or
After similar operation and processing are so as to being processed hardening and polishing, gold alloy #3 has that 75Hv's to 100Hv is higher hard
Degree and presentation golden yellow, these operations and processing are incorporated herein by reference herein.The cold working reduction ratio of alloy #3 is 30%-
40%.
Exemplary high-purity gold alloy (alloy #4) includes golden (Au), the antimony (Sb) of trace and the conjunction of a kind of rhodium-containing and nickel
Gold.Specifically, gold alloy #4 comprising the gold of 99.3 weight %, a kind of rhodium-containing of the antimony of 0.4 weight % and 0.3 weight % and
The alloy of nickel.Gold alloy #4 initial hardness with 30-40Hv in Vickers hardness scale when as cast condition is formed, and pass through
After operation same as described above or similar and machining are carried out so as to being processed hardening and polishing, with 75Hv to 100Hv
Higher hardness and be presented golden yellow, these operations and processing are incorporated herein by reference herein.The cold working pressure of alloy #4
Lower rate is 30%-40%.Exemplary rhodium-containing and the alloy of nickel has consisting of or composition (by weight)：
Copper (Cu)：75.4%；Nickel (Ni)：12.7%；Zinc (Zn)：8.4%；Indium (In)：2.4%；Rhodium (Rh)：1.4%
Copper (Cu) (and other elements)：77.5%；Nickel (Ni)：12%；Zinc (Zn)：9%；Indium (In)：2.4%；Rhodium (Rh)：
1.5%
Exemplary high-purity gold alloy (alloy #5) is closed comprising golden (Au), the antimony (Sb) of trace, exemplary rich gallium
The alloy (such as examples detailed above) of golden (such as examples detailed above) and/or exemplary rhodium-containing and nickel.Specifically, gold alloy #5
Gold comprising 99.3 weight %, the antimony of 0.3 weight %, the exemplary gallium alloy of 0.2 weight % and showing for 0.2 weight %
The rhodium-containing and the alloy of nickel of example property.Gold alloy #5 is initial with 30-40Hv in Vickers hardness scale when as cast condition is formed
Hardness, and after carrying out operation same as described above or similar and processing so as to being processed hardening and polishing, have
The higher hardness and presentation golden yellow of 60Hv to 80Hv, these operations and processing are incorporated herein by reference herein.Alloy #5
Cold working reduction ratio be for about 70%.
Exemplary high-purity gold alloy (alloy #6) includes golden (Au), the antimony (Sb) of trace and nickel (Ni).Specifically,
The rich nickel alloy of gold, the antimony of 0.4 weight % and 0.3 weight % of gold alloy #6 comprising 99.3 weight %.Gold alloy #6 exists
There is the initial hardness of 30-40Hv when as cast condition is formed in Vickers hardness scale, and it is same as described above or similar by carrying out
Operation and processing so as to being processed hardening and polishing after, the higher hardness with 70Hv to 100Hv and be presented golden yellow,
These operations and processing are incorporated herein by reference herein.The cold working reduction ratio of alloy #6 is for about 30%.
Be suitable for manufacturing or prepare alloy #6 exemplary rich nickel alloy there is following exemplary to constitute or composition (with
Weight meter)：
Copper (Cu)：39%；Zinc (Zn)：14.8%；Silver-colored (Ag)：15%；Nickel (Ni)：31%；Other：0.2%
Suitable for prepare it is of the invention gold another exemplary rich nickel alloy have following exemplary constitute or into
Part (by weight)：
Copper (Cu)：55%；Zinc (Zn)：14.8%；Nickel (Ni)：30%；Other：0.2%
Following table lists the summary of above-mentioned gold alloy #1 to #6.
Although the high-purity gold alloy of this paper has 99.3% or 99.5% gold content, it is to be understood that, these hundred
Divide than being merely exemplary rather than necessary.For example, gold content can be 99% or higher, to be adapted to some applications or want
Ask and do not lose generality.
It is believed that the advantage of the high-purity gold alloy comprising antimony is：The alloy has higher hardness and can be by
It is cast as many different shapes.For example, sample herein was cast into annular ingot casting before hardening processing.Annular ingot casting
The suitable 10-20mm of the size of a diameter of and rosette of sample.The hardness of gold alloy brings up to about 60-100Hv, cold working
Reduction ratio is in the range of 30%-70%.
Having been observed that the gallium or rich gallium alloy of addition trace can strengthen the ductility of gold alloy, to reduce or mitigate
Ugly crackle or fracture, the crackle for for example producing during hardening processing or fracture.
The alloy of nickel, a kind of alloy of rich nickel or rhodium-containing and nickel can also be used for strengthening gold alloy later in hardening processing
Ductility reducing or mitigate ugly crackle.
The golden yellow of gold alloy can be strengthened by nitric acid (HNO3) pickling, such as by such as 100 DEG C
Nitric acid (HNO3) pickling is carried out under high temperature to be strengthened for 1 hour.
Have been disclosed for the high-purity gold alloy with higher hardness.It includes the antimony of 99.0% gold and trace,
Wherein described gold alloy has the hardness of 60Hv or more.
The gold content of gold alloy can between 99.0% to 99.6%, including 99.1%, 99.2%, 99.3%,
99.4% and 99.5%.
Gold alloy can have 100Hv or following hardness.
Antimony content in gold alloy can be 0.2% or more.
Antimony content in gold alloy can be 0.3% or more or 0.3% or less.
Antimony content in gold alloy can be 0.5% or less or 0.4% or less.
Gallium, the nickel of trace and/or the rhodium of trace that gold alloy can include trace is to strengthen ductility.
Gold alloy can be included with the gallium of the trace of rich gallium alloy form presence, with the alloy or one kind of a kind of rhodium and nickel
The rhodium and nickel of the nickel of the trace that the alloy form of rich nickel is present, and/or the trace existed with the alloy form of a kind of rhodium and nickel.
Gold alloy can include the gallium of trace, and the content of gallium can be more than 0.1% (53% in gold alloy
X0.2%).
Gold alloy can include the gallium of trace, and the content of gallium can be less than 0.16% (53% in gold alloy
X0.3%).
Gallium impurity in gold alloy can be the form of the exemplary rich gallium alloy of the gallium comprising 53%-54%.
Exemplary rich gallium alloy can include the indium of 23%-24%.
Exemplary rich gallium alloy can include the cobalt of 17%-18%.
Exemplary rich gallium alloy can include 6.9% copper.
Gold alloy can have smooth reflecting surface.
Gold alloy of the invention is suitable to manufacture the ornament or ornament of high gold content.
Therefore, the invention also discloses the ornament comprising high-purity gold alloy disclosed herein.High-purity gold is closed
Gold can be cast as the shape of ornament.
The antimony of addition trace is favourable to form high-purity gold alloy, this is because resulting high-purity gold is closed
Gold can be cast or be molded as variously-shaped, and this property is for many applications, particularly jewelry or ornament application
For be highly important.
The gold alloy or ornament of the gold alloy comprising hardening has higher hardness and good ductility.Well
Ductility mean harden gold alloy and the gold alloy comprising the hardening ornament will be not easy to fracture, for example exist
Fracture is not easy to during processing hardening.Therefore, compared with other high-purity gold alloys with suitable hardness, the Huang of the hardening
Macroscopic crackle or fracture in the surface of the ornament of billon and the gold alloy comprising the hardening will be greatly decreased,
Or even without macroscopic crackle or fracture or negligible.
The higher hardness and higher ductility of high-purity gold alloy and can be cast or be molded as various shapes
The ability of shape means：The high-purity gold alloy can be used to form fine and exquisite jewelry or jewellery, such as with curvature
The jewelry or jewellery of the less sweep of radius, for example, radius of curvature is less than 20mm, 18mm, 15mm, 12mm, 10mm, 8mm
Or it is even more little.Sweep can be the sweep for limiting space or hollow cell, for example, limit wearing space or hollow
The annular solid of bending housing parts.
The invention also discloses the method for forming decorated articles, the ornament is the high-purity of 60Hv or more comprising hardness
Degree gold alloy, ductility reinforcing agent of the high-purity gold alloy comprising 99% gold, the antimony of trace and trace, wherein the side
Method includes：
- cast the high-purity gold alloy of the ductility reinforcing agent comprising 99% gold, the antimony of trace and trace
Into the shape of as cast condition gold ornaments,
- by the as cast condition gold ornaments mechanical treatment it is the gold ornaments for having hardened that hardness is 60Hv or more,
- gold ornaments for having hardened are polished, to obtain smooth combination with decorative surfaces.
In some embodiments, the method includes the hardened gold ornaments of chemical treatment, until smooth ornament table
Face has golden yellow.
As cast condition gold ornaments can be carried out with pin rolling (needle tumbling) of a few hours to be hardened.
Buff polishing and/or sandblasting can be carried out so as to be polished to as cast condition gold ornaments.
Can be by nitric acid (HNO3) pickling (for example) being carried out at 100 DEG C 1 hour so as to the gold for hardening and polish
Ornaments are processed.
Ductility reinforcing agent can include gallium, nickel and/or rhodium.
The feature (in appropriate circumstances jointly) for illustrating in the claims forms the part of the present invention and leads to
Cross and be incorporated herein by reference.
Although with reference to embodiment described herein explaining the present invention, but it is to be understood that embodiment is unrestricted
Property, and it is used to help to understand the present invention rather than to lose the present invention general.
Claims (21)
1. a kind of high-purity gold alloy, antimony of the gold alloy comprising 99.0% or more gold and trace, wherein described
The hardness of gold alloy is 60Hv or more.
2. gold alloy according to claim 1, wherein, the hardness of the gold alloy is less than, equal to or higher than 70Hv,
The hardness of the gold alloy is less than, equal to or higher than 75Hv, less than, equal to or higher than 80Hv, less than, be equal to or higher than
90Hv, less than, equal to or higher than 95Hv, equal to 100Hv or following, and/or the group of aforementioned any numerical value and/or any scope
Close.
3. gold alloy according to claim 1 and 2, wherein, the gold content of the gold alloy is equal to or higher than
99.0%, including being less than, equal to or higher than 99.1%, less than, equal to or higher than 99.2%, less than, equal to or higher than 99.3%,
Less than, equal to or higher than 99.4%, less than, equal to or higher than 99.5%, less than, equal to or higher than 99.6%, and/or aforementioned
The combination of what numerical value and/or any scope.
4. according to gold alloy in any one of the preceding claims wherein, wherein, the antimony content in the gold alloy is equal to
Or higher than 0.2%, including being less than, equal to or higher than 0.3%, less than, equal to or higher than 0.4%, less than, be equal to or higher than
0.5%, less than, equal to or higher than 0.55%, equal to or less than 0.6%, and/or aforementioned any numerical value and/or any scope
Combination.
5. according to gold alloy in any one of the preceding claims wherein, wherein the gold alloy comprising trace gallium and/
Or the nickel of trace, and/or the rhodium of trace are strengthening ductility.
6. according to gold alloy in any one of the preceding claims wherein, wherein the gallium of the gold comprising trace, and it is described
Gallium content in gold alloy is equal to or higher than 0.1%, including being less than, equal to or higher than 0.11%, including being less than, equal to or it is high
In 0.12%, including being less than, equal to or higher than 0.13%, including being less than, equal to or higher than 0.14%, including being less than, equal to or
Higher than 0.15%, including being less than, equal to or higher than 0.16%, and/or the combination of aforementioned any numerical value and/or any scope.
7. according to gold alloy in any one of the preceding claims wherein, wherein the nickel of the gold comprising trace, and it is described
Nickel content in gold alloy is equal to or higher than 0.02%, including being less than, equal to or higher than 0.03%, including being less than, equal to or
Higher than 0.04%, including being less than, equal to or higher than 0.05%, including being less than, equal to or higher than 0.06%, including being less than, be equal to
Or higher than 0.07%, including being less than, equal to or higher than 0.08%, equal to or higher than 0.09%, equal to or less than 0.1%, and/or
The combination of aforementioned any numerical value and/or any scope.
8. according to gold alloy in any one of the preceding claims wherein, wherein the rhodium of the gold comprising trace, and it is described
Rhodium content in gold alloy is equal to or higher than 0.002%, including being less than, equal to or higher than 0.003%, including being less than, be equal to
Or higher than 0.004%, and/or equal to or less than 0.005%.
9. according to gold alloy in any one of the preceding claims wherein, wherein the gold alloy and same purity and/or
The gold alloy of same rigidity is compared with higher ductility.
10. according to gold alloy in any one of the preceding claims wherein, wherein the gold alloy have it is golden yellow and/or
It is smooth with reflecting surface.
11. a kind of ornaments, including according to high-purity gold alloy in any one of the preceding claims wherein, wherein the height
Purity gold alloy is cast into the shape of ornament.
A kind of 12. methods for forming decorated articles, the decorated articles include the high-purity gold alloy that hardness is more than 60Hv,
Ductility reinforcing agent of the high-purity gold alloy comprising 99% or more gold, the antimony of trace and trace；Wherein described side
Method includes：
- cast the high-purity gold alloy of the ductility reinforcing agent comprising 99% or more gold, the antimony of trace and trace
The shape of as cast condition gold ornaments is caused,
- the as cast condition gold ornaments are mechanically processed as into the gold ornaments for having hardened that hardness is 60Hv or more,
- gold ornaments for having hardened are polished, to obtain smooth combination with decorative surfaces.
13. methods according to claim 12, wherein being rolled so as to by the as cast condition gold jewellery by the pin for carrying out some hours
Product are hardened.
14. methods according to claim 12 or 13, wherein being thrown the as cast condition gold ornaments by buff polishing and/or sandblasting
Light.
15. methods according to any one of claim 12 to 14, wherein by carrying out nitric acid (HNO at 100 DEG C3) acid
1 hour is washed so as to processing through polishing and the gold ornaments for hardening.
16. methods according to any one of claim 12 to 15, wherein the ductility reinforcing agent comprising gallium, nickel and/
Or rhodium.
17. methods according to any one of claim 12 to 16, wherein the ductility reinforcing agent is closed with rich gallium
The form of gold, enforcement or application in the form of rich nickel alloy, in the form of rich rhodium alloy, and/or in the form of rhodium and nickel alloy
So that nickel of the gold alloy comprising trace, gallium and/or rhodium.
18. methods according to any one of claim 12 to 16, wherein gallium of the gold alloy comprising trace, described
Gallium is can be implemented in the form of the rich gallium alloy comprising 53%-54% galliums or be applied.
19. methods according to claim 17 or 18, wherein indium of the rich gallium alloy comprising 23%-24%.
20. methods according to claim 17 to 19, wherein cobalt of the rich gallium alloy comprising 17%-18%.
21. methods according to claim 17 to 20, wherein the rich gallium alloy includes 6.9% copper.
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| HK15110763 | 2015-10-30 | ||
| HK15110763.7 | 2015-10-30 |
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| CN106636721A true CN106636721A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373755A (en) * | 2018-10-14 | 2019-02-22 | 昆山建金工业设计有限公司 | A kind of device of gold element and antimony element composite material |
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| CN103820671A (en) * | 2013-12-11 | 2014-05-28 | 广州番禺职业技术学院 | High-hardness pure gold material and preparation method thereof |
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|---|---|---|---|---|
| EP0685565A1 (en) * | 1993-09-06 | 1995-12-06 | Mitsubishi Materials Corporation | Golden ornament material hardened by alloying with minor components |
| JPH08311579A (en) * | 1995-05-18 | 1996-11-26 | Tokuriki Honten Co Ltd | Gold alloy for ornament |
| JPH1060559A (en) * | 1996-08-20 | 1998-03-03 | Sumitomo Metal Mining Co Ltd | Gold alloy and its production |
| CN1587426A (en) * | 2004-07-23 | 2005-03-02 | 滕先弟 | Process for preparing gold-germanium, gold-germanium-antimony alloy material |
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| CN109373755A (en) * | 2018-10-14 | 2019-02-22 | 昆山建金工业设计有限公司 | A kind of device of gold element and antimony element composite material |
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