CN103643072B - A kind of silver alloy with excellent mechanical performances - Google Patents
A kind of silver alloy with excellent mechanical performances Download PDFInfo
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- CN103643072B CN103643072B CN201310588883.8A CN201310588883A CN103643072B CN 103643072 B CN103643072 B CN 103643072B CN 201310588883 A CN201310588883 A CN 201310588883A CN 103643072 B CN103643072 B CN 103643072B
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- silver
- silver alloy
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- 229910001316 Ag alloy Inorganic materials 0.000 title claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 238000005275 alloying Methods 0.000 claims abstract description 11
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000470 constituent Substances 0.000 claims abstract description 10
- 239000011777 magnesium Substances 0.000 claims abstract description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 9
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims abstract description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004411 aluminium Substances 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052790 beryllium Inorganic materials 0.000 claims abstract description 9
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052796 boron Inorganic materials 0.000 claims abstract description 9
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 9
- 229910052738 indium Inorganic materials 0.000 claims abstract description 9
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 9
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 9
- 239000011701 zinc Substances 0.000 claims abstract description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 239000011572 manganese Substances 0.000 claims abstract description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 18
- 229910052709 silver Inorganic materials 0.000 claims description 17
- 239000004332 silver Substances 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 abstract description 10
- 239000000956 alloy Substances 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 6
- 238000005097 cold rolling Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- -1 0.6 gram Chemical compound 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000000113 differential scanning calorimetry Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000714 At alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910000898 sterling silver Inorganic materials 0.000 description 1
- 239000010934 sterling silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention provides a kind of silver alloy with excellent mechanical performances, it is characterized in that, be made up of the alloying constituent of following components by weight percent: silver-colored 9.25-9.90, copper 1-3, zinc 1.2-3.5, boron 0.4-3, aluminium 0.1-1, gallium 0.2-1, indium 0.3-1.5, beryllium 0.2-0.7, magnesium 0.1-2, manganese 0.2-3.The alloying constituent of adding, makes the mechanical property of alloy improve with obtaining palpability, increases the design freedom of silver alloys style in processing of ornament, have very wide DEVELOPMENT PROSPECT.
Description
Technical field
The present invention relates to chemical material field, particularly relate to a kind of silver alloy with excellent mechanical performances.
Background technology
Silver is a kind of noble metal, liking of people is subject to from ancient times to the present because having good glossiness, be used in the middle of the processing of various ornaments, artwork and tableware, but pure argent hardness is low, there is ductility, be not easy to manufacture shaping, and be easy to oxidation stain, be not suitable for be used in ornaments, artwork and tableware thereof processing in the middle of, so manufacture in the middle of can select in the silver of certainweight ratio of component, add some other composite material.
Sterling silver alloy alloy is the silver-copper binary alloy formed with copper alloying element, wherein silver is 92.5wt%, copper is 7.5wt%, 925 silver medals namely usually alleged by us, although the silver alloys that with the addition of copper improves certain hardness, but the durometer level improved is little, and make the styling freedom out designed by silver alloy not high, castability is low.
Summary of the invention
In order to obviously improve silver alloys mechanical property, increase the design freedom of its style, be applied to better in the middle of the production technique such as ornaments, artwork, the invention provides a kind of silver alloy with excellent mechanical performances, described silver alloy is made up of the alloying constituent of following components by weight percent:
Silver 9.25-9.90,
Copper 1-3,
Zinc 1.2-3.5,
Boron 0.4-3,
Aluminium 0.1-1,
Gallium 0.2-1,
Indium 0.3-1.5,
Beryllium 0.2-0.7,
Magnesium 0.1-2,
Manganese 0.2-3.
Preferably, the described silver alloy with excellent mechanical performances, is made up of the alloying constituent of following components by weight percent: silver 9.58, copper 1.2, zinc 1.2, boron 0.4, aluminium 0.1, gallium 0.2, indium 0.4, beryllium 0.2, magnesium 0.3, manganese 0.2.
The effect of the various elements added in silver is respectively: with the addition of copper, enhances the hardness of alloy; Zinc, as the alternative metals of copper, can reduce alloy melting point; Boron, can reduce the surface tension of alloy melt, makes melt-mixing even; Aluminium, can improve the tensile strength of alloy effectively with elongation rate; Gallium, resistivity is little, and temperature coefficient of resistance is little, puies forward heavy alloyed intensity and hardness; Indium, fusing point is low, first melts during melting, forms liquid film solid-state with surface, and that can improve alloy can malleability; Beryllium, is the stable light metal uniquely with higher melt, has good electroconductibility, thermal conductivity, high-temperature mechanical property and scale resistance, adds in the middle of alloy and can form protective membrane at alloy surface, avoid it to be oxidized; Magnesium, with the addition of magnesium and silver alloys recrystallization temperature can be made linearly to improve, and hardness improves, and improves the mechanical property of silver alloys; Manganese, reduces the fusing point of silver alloys, improves the hardness of silver alloys, improves the erosion resistance of silver alloys.
A kind of silver alloy with excellent mechanical performances provided by the invention, there is following advantage: adopt components by weight percent between 9.25-9.90, particularly preferably be components by weight percent on the one hand large thus occupy value advantage in silver-colored accounting example at the composition of the silver of 9.58, other compositions are added on the other hand on the basis of the silver of this ratio, the mechanical property of alloy is improved with obtaining palpability, add other alloying constituents of aforementioned proportion, by improve intensity and the hardness of silver alloys, substantially increase casting processing performance and the machinofacture performance of silver alloys, increase the design freedom that it is used in processing of ornament aspect style, there is very wide DEVELOPMENT PROSPECT.
Embodiment
The present invention is described in further detail below, can implement according to this with reference to specification sheets word to make those skilled in the art.
Embodiment 1
Take silver 9.25 grams, copper 2 grams, 3 grams, zinc, boron 0.4 gram, 0.1 gram, aluminium, gallium 0.2 gram, indium 0.3 gram, beryllium 0.5 gram, 0.4 gram, magnesium, 0.6 gram, manganese, the alloying constituent taken is put into melting in the smelting furnace of 1000 degrees Celsius and manufacture 30 minutes, the button-type ingot casting of non-consumable electrode arc melting is put into resistance furnace 720 degrees Celsius insulation 4 hours under the situation adopting argon shield, at the thin slice that Sisma type cold rolling mill becomes 2mm thick, then put 700 degrees Celsius of treasured in high temperature box type resistance furnace into and be incubated 1 hour, water-cooled is to room temperature, carry out cold deformation process, the thin slice of gained 2mm is continued the thin slice that Sisma type cold rolling mill becomes 1.4mm thick, then put 800 degrees Celsius of treasured in high temperature box type resistance furnace into and be incubated 30 minutes, water-cooled carries out solution treatment again to room temperature.Hardness test: the silver alloy handled well is carried out on the semi-automatic microhardness tester of HXS-1000AK type, select room temperature, loaded load 0.2 gram, 20 seconds loading times, surveys ten points, averages, show that the hardness value of silver alloy is 108.9HV; Dsc analysis: be high-purity argon gas at protective atmosphere, Range of measuring temp is 50-640 degree Celsius, and scanning speed is 20c/min, condition under differential scanning calorimetric analysis is carried out to silver alloy; Then by carrying out OM observation in olympusPMG3 type, Quanta400 type carries out SEM observation, JEM-2000FXII carries out tem observation, finally carries out XRD analysis, reach a conclusion, the silver alloy produced can not increase substantially the stacking fault energy of matrix silver, microstructure is without considerable change, and in dentrite, shrinkage cavity reduces, and enhances the mobility of silver alloy, reduce the surface tension of silver alloy, its mold filling performance is improved.
Embodiment 2
Take silver 9.58 grams, copper 1.2 grams, 1.2 grams, zinc, boron 0.4 gram, 0.1 gram, aluminium, gallium 0.2 gram, indium 0.4 gram, beryllium 0.2 gram, 0.3 gram, magnesium, 0.2 gram, manganese, the alloying constituent taken is put into melting in the smelting furnace of 1050 degrees Celsius and manufacture 30 minutes, the button-type ingot casting of non-consumable electrode arc melting is put into resistance furnace 750 degrees Celsius insulation 3 hours under the situation adopting argon shield, at the thin slice that Sisma type cold rolling mill becomes 2mm thick, then put 700 degrees Celsius of treasured in high temperature box type resistance furnace into and be incubated 1 hour, water-cooled is to room temperature, carry out cold deformation process, the thin slice of gained 2mm is continued the thin slice that Sisma type cold rolling mill becomes 1.4mm thick, then put 750 degrees Celsius of treasured in high temperature box type resistance furnace into and be incubated 30 minutes, water-cooled carries out solution treatment again to room temperature.Hardness test: the silver alloy handled well is carried out on the semi-automatic microhardness tester of HXS-1000AK type, select room temperature, loaded load 0.2 gram, 20 seconds loading times, surveys ten points, averages, show that the hardness value of silver alloy is 126.3HV; Dsc analysis: be high-purity argon gas at protective atmosphere, Range of measuring temp is 50-640 degree Celsius, and scanning speed is 20c/min, condition under differential scanning calorimetric analysis is carried out to silver alloy; Then by carrying out OM observation in olympusPMG3 type, Quanta400 type carries out SEM observation, JEM-2000FXII carries out tem observation, finally carry out XRD analysis, reach a conclusion, the silver alloy produced can not increase substantially the stacking fault energy of matrix silver, microstructure is without considerable change, in dentrite, shrinkage cavity reduces, and enhances the mobility of silver alloy, reduces the surface tension of silver alloy, mold filling performance improves greatly,, for the processing of ornaments and artwork, its design degree reaches best.
Embodiment 3
Take silver 9.58 grams, copper 1 gram, 1.3 grams, zinc, boron 0.5 gram, 0.1 gram, aluminium, gallium 0.3 gram, indium 0.3 gram, beryllium 0.2 gram, 0.1 gram, magnesium, 0.2 gram, manganese, the alloying constituent taken is put into melting in the smelting furnace of 1000 degrees Celsius and manufacture 30 minutes, the button-type ingot casting of non-consumable electrode arc melting is put into resistance furnace 800 degrees Celsius insulation 4 hours under the situation adopting argon shield, at the thin slice that Sisma type cold rolling mill becomes 2mm thick, then put 740 degrees Celsius of treasured in high temperature box type resistance furnace into and be incubated 1 hour, water-cooled is to room temperature, carry out cold deformation process, the thin slice of gained 2mm is continued the thin slice that Sisma type cold rolling mill becomes 1.4mm thick, then put 800 degrees Celsius of treasured in high temperature box type resistance furnace into and be incubated 30 minutes, water-cooled carries out solution treatment again to room temperature.Hardness test: the silver alloy handled well is carried out on the semi-automatic microhardness tester of HXS-1000AK type, select room temperature, loaded load 0.2 gram, 20 seconds loading times, surveys ten points, averages, show that the hardness value of silver alloy is 96.5HV; Dsc analysis: be high-purity argon gas at protective atmosphere, Range of measuring temp is 50-640 degree Celsius, and scanning speed is 20c/min, condition under differential scanning calorimetric analysis is carried out to silver alloy; Then by carrying out OM observation in olympusPMG3 type, Quanta400 type carries out SEM observation, JEM-2000FXII carries out tem observation, finally carries out XRD analysis, reach a conclusion, the silver alloy produced can not increase substantially the stacking fault energy of matrix silver, microstructure is without considerable change, and in dentrite, shrinkage cavity reduces, and enhances the mobility of silver alloy, reduce the surface tension of silver alloy, improve its mold filling performance.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the embodiment described.
Claims (2)
1. have a silver alloy for excellent mechanical performances, it is characterized in that, described silver alloy is made up of the alloying constituent of following components by weight percent:
Silver 9.25-9.90,
Copper 1-3,
Zinc 1.2-3.5,
Boron 0.4-3,
Aluminium 0.1-1,
Gallium 0.2-1,
Indium 0.3-1.5,
Beryllium 0.2-0.7,
Magnesium 0.1-2,
Manganese 0.2-3.
2. have the silver alloy of excellent mechanical performances as described in claim 1, it is characterized in that, described silver alloy is made up of the alloying constituent of following components by weight percent: silver 9.58, copper 1.2, zinc 1.2, boron 0.4, aluminium 0.1, gallium 0.2, indium 0.4, beryllium 0.2, magnesium 0.3, manganese 0.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310588883.8A CN103643072B (en) | 2013-11-20 | 2013-11-20 | A kind of silver alloy with excellent mechanical performances |
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| CN201310588883.8A CN103643072B (en) | 2013-11-20 | 2013-11-20 | A kind of silver alloy with excellent mechanical performances |
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| CN103643072A CN103643072A (en) | 2014-03-19 |
| CN103643072B true CN103643072B (en) | 2015-12-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105220003A (en) * | 2015-10-25 | 2016-01-06 | 无棣向上机械设计服务有限公司 | A kind of high temperature resistant silver alloy and preparation method thereof |
| CN109112386A (en) * | 2018-09-20 | 2019-01-01 | 张家港市勇峰精密机械有限公司 | A kind of high performance durable silver-based precision hardware material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644725A (en) * | 2004-01-20 | 2005-07-27 | 香港生产力促进局 | Tarnish-resistant hard silver alloy |
| CN101987354A (en) * | 2009-07-30 | 2011-03-23 | 赵宏伟 | Grain refining process method of silver alloy cast structure |
| CN102994796A (en) * | 2011-09-13 | 2013-03-27 | 黄石市博汇科技有限公司 | Scale and corrosion resistant rare earth-Ag-Zn alloy and its preparation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080078484A1 (en) * | 2004-09-23 | 2008-04-03 | Middlesex Silver Co. Limited | Copper-Boron Master Alloy And Its Use In Making Silver-Copper Alloys |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644725A (en) * | 2004-01-20 | 2005-07-27 | 香港生产力促进局 | Tarnish-resistant hard silver alloy |
| CN101987354A (en) * | 2009-07-30 | 2011-03-23 | 赵宏伟 | Grain refining process method of silver alloy cast structure |
| CN102994796A (en) * | 2011-09-13 | 2013-03-27 | 黄石市博汇科技有限公司 | Scale and corrosion resistant rare earth-Ag-Zn alloy and its preparation method |
Non-Patent Citations (2)
| Title |
|---|
| Study on the microstructure,mechanical properties,tarnish and corrosion resistance of sterling silver alloyed with manganese;E.Nisaratanaporn et al.;《Materials Science and Engineering A》;20071231;第663-668页 * |
| 热处理对Ag-Cu-Zn(Sn)系925银合金力学性能和显微组织的影响;沈丁杰等;《材料导报》;20070531;第21卷;第436-438页 * |
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