CN103643077A - Silver alloy auxiliary alloy material with good mechanical property - Google Patents
Silver alloy auxiliary alloy material with good mechanical property Download PDFInfo
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- CN103643077A CN103643077A CN201310588916.9A CN201310588916A CN103643077A CN 103643077 A CN103643077 A CN 103643077A CN 201310588916 A CN201310588916 A CN 201310588916A CN 103643077 A CN103643077 A CN 103643077A
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Abstract
The present invention provides a silver alloy auxiliary alloy material with good mechanical property. The silver alloy auxiliary alloy material is characterized by comprising, by weight, 40-60 parts of copper, 3-35 parts of zinc, 0.5-3 parts of boron, 0.1-20 parts of aluminum, 0.2-1 part of gallium, 0.3-1.5 parts of indium, 0.2-0.7 part of beryllium, 0.1-2 parts of magnesium, and 0.2-3 parts of manganese. According to the present invention, the alloy components are added so as to reduce a melting point of the alloy, increase hardness, improve casting performances of the silver alloy, make the auxiliary alloy material has a high design freedom degree in a jewelry processing process, and improve corrosion resistance of the silver alloy.
Description
Technical field
The present invention relates to chemical material field, relate in particular to a kind of silver alloys opening-supplementing material with excellent mechanical performances.
Background technology
Sterling silver alloy alloy is the silver-copper binary alloy forming with copper alloy element, wherein silver is 92.5wt%, copper is 7.5wt%, common our 925 alleged silver medals namely, although added the silver alloys of copper, improved certain hardness, but the durometer level improving is little, make by the designed style degree of freedom out of silver alloy not highly, castability is low.Though the opening-supplementing material adding has at present improved hardness and the castability of silver alloy to a certain extent, but whole glossiness, and anti-oxidant sulfuration ability is low.
Summary of the invention
In order obviously to improve the mechanical property of silver alloys opening-supplementing material, increase the design freedom of its style, improve its glossiness and anti-oxidant sulfuration ability, be applied to better in the middle of the production technique such as ornaments, artwork, the invention provides a kind of silver alloys opening-supplementing material with excellent mechanical performances, described silver alloys repaired mouth is comprised of the alloying constituent of following components by weight percent:
Copper 40-80,
Zinc 3-35,
Boron 0.5-3,
Aluminium 0.1-20,
Gallium 0.2-1,
Indium 0.3-1.5,
Beryllium 0.2-0.7,
Magnesium 0.1-2,
Manganese 0.2-3.
Preferably, described silver alloys opening-supplementing material is comprised of the alloying constituent of following components by weight percent: copper 58.4, zinc 34.2, boron 0.4, aluminium 1.4, gallium 0.2, indium 1.5, beryllium 0.7, magnesium 0.2, manganese 3.
Beneficial effect of the present invention: the alloying constituent of interpolation, can reduce alloy melting point, hardness improves, and improves the castability of silver alloys, makes opening-supplementing material more large at the design freedom of the complete processing of ornaments, has improved the erosion resistance of silver alloys.
Embodiment
Below the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to specification sheets word.
Embodiment 1
Take 50 grams of copper, 30 grams, zinc, 0.5 gram of boron, 15 grams, aluminium, 0.1 gram of gallium, 1.5 grams of indiums, 0.7 gram of beryllium, 0.2 gram, magnesium, 2 grams, manganese, the alloying constituent taking being put into melting in the smelting furnace of 1000 degrees Celsius manufactures 30 minutes, the button-type ingot casting of non-consumable electrode arc melting is put under the situation that adopts argon shield to 780 degrees Celsius of insulations of resistance furnace 4 hours, at Sisma type cold-rolling mill, be rolled into the thin slice that 2mm is thick, then put 780 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 processing, the thin slice of gained 2mm is continued to Sisma type cold-rolling mill and be rolled into the thin slice that 1.4mm is thick, then put 800 degrees Celsius of treasured in high temperature box type resistance furnace into and be incubated 30 minutes, water-cooled to room temperature is carried out solution treatment again.Hardness test: the silver alloys opening-supplementing material of handling well is carried out on the semi-automatic microhardness tester of HXS-1000AK type, select room temperature, 0.2 gram of loaded load, 20 seconds loading times, survey ten points, to average, the hardness value that draws silver alloy is 70.9HV; 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 silver alloy is carried out to differential scanning calorimetric analysis; Then by carry out OM observation in olympus PMG3 type, in Quanta400 type, carry out SEM observation, on JEM-2000FXII, carry out tem observation, finally carry out XRD analysis, reach a conclusion, the silver alloys opening-supplementing material microstructure producing is without considerable change, in dentrite, shrinkage cavity reduces, and surface tension expands, and mobility strengthens, reduced the surface tension of silver alloy, its mold filling performance is improved.Carry out the neutral salt spray test of 24 hours, as for observing in room temperature 15 days, the oxidation area of opening-supplementing material is 20.4%.
Embodiment 2
Take 58.4 grams of copper, 34.2 grams, zinc, 0.4 gram of boron, 1.4 grams, aluminium, 0.2 gram of gallium, 1.5 grams of indiums, 0.7 gram of beryllium, 0.2 gram, magnesium, 3 grams, manganese.The alloying constituent taking being put into melting in the smelting furnace of 1200 degrees Celsius manufactures 30 minutes, the button-type ingot casting of non-consumable electrode arc melting is put under the situation that adopts argon shield to 1000 degrees Celsius of insulations of resistance furnace 3 hours, at Sisma type cold-rolling mill, be rolled into the thin slice that 2mm is thick, then put 1000 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 processing, the thin slice of gained 2mm is continued to Sisma type cold-rolling mill and be rolled into the thin slice that 1.4mm is thick, then put 1000 degrees Celsius of treasured in high temperature box type resistance furnace into and be incubated 30 minutes, water-cooled to room temperature is carried out solution treatment again.Hardness test: the silver alloy of handling well is carried out on the semi-automatic microhardness tester of HXS-1000AK type, select room temperature, 0.2 gram of loaded load, 20 seconds loading times, survey ten points, to average, the hardness value that draws silver alloy is 90.3HV; 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 silver alloy is carried out to differential scanning calorimetric analysis; Then by carry out OM observation in olympus PMG3 type, in Quanta400 type, carry out SEM observation, on JEM-2000FXII, carry out tem observation, finally carry out XRD analysis, reach a conclusion, the silver alloy producing can not increase substantially the stacking fault energy of matrix silver, microstructure is without considerable change, in dentrite, shrinkage cavity reduces, strengthened the mobility of silver alloy, reduced the surface tension of silver alloy, mold filling performance improves greatly, for the processing of ornaments and artwork, it is best that its design degree reaches.Carry out the neutral salt spray test of 24 hours, as for observing in room temperature 15 days, the oxidation area of opening-supplementing material is 10.2%
Embodiment 3
Take 60 grams of copper, 24 grams, zinc, 0.4 gram of boron, 10 grams, aluminium, 0.2 gram of gallium, 1.2 grams of indiums, 0.7 gram of beryllium, 0.2 gram, magnesium, 3.3 grams, manganese, the alloying constituent taking being put into melting in the smelting furnace of 1000 degrees Celsius manufactures 30 minutes, the button-type ingot casting of non-consumable electrode arc melting is put under the situation that adopts argon shield to 800 degrees Celsius of insulations of resistance furnace 4 hours, at Sisma type cold-rolling mill, be rolled into the thin slice that 2mm is 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 processing, the thin slice of gained 2mm is continued to Sisma type cold-rolling mill and be rolled into the thin slice that 1.4mm is thick, then put 800 degrees Celsius of treasured in high temperature box type resistance furnace into and be incubated 30 minutes, water-cooled to room temperature is carried out solution treatment again.Hardness test: the silver alloy of handling well is carried out on the semi-automatic microhardness tester of HXS-1000AK type, select room temperature, 0.2 gram of loaded load, 20 seconds loading times, survey ten points, to average, the hardness value that draws silver alloy is 80.5HV; 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 silver alloy is carried out to differential scanning calorimetric analysis; Then by carry out OM observation in olympus PMG3 type, in Quanta400 type, carry out SEM observation, on JEM-2000FXII, carry out tem observation, finally carry out XRD analysis, reach a conclusion, the silver alloy producing can not increase substantially the stacking fault energy of matrix silver, microstructure is without considerable change, and in dentrite, shrinkage cavity reduces, and has strengthened the mobility of silver alloy, reduce the surface tension of silver alloy, improved its mold filling performance.Carry out the neutral salt spray test of 24 hours, as for observing in room temperature 15 days, the oxidation area of opening-supplementing material is 18.3%
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification sheets and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, 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 describing.
Claims (2)
1. a silver alloys opening-supplementing material with excellent mechanical performances, is characterized in that, described silver alloys opening-supplementing material is comprised of the alloying constituent of following components by weight percent:
Copper 40-60,
Zinc 3-35,
Boron 0.5-3,
Aluminium 0.1-20,
Gallium 0.2-1,
Indium 0.3-1.5,
Beryllium 0.2-0.7,
Magnesium 0.1-2,
Manganese 0.2-3.
2. the silver alloys opening-supplementing material as described in claim 1 with excellent mechanical performances, is characterized in that, described silver alloy is comprised of the alloying constituent of following components by weight percent: copper 58.4, zinc 34.2, boron 0.4, aluminium 1.4, gallium 0.2, indium 1.5, beryllium 0.7, magnesium 0.2, manganese 3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310588916.9A CN103643077B (en) | 2013-11-20 | 2013-11-20 | A kind of Silver alloy auxiliary alloy material with excellent mechanical performances |
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| CN201310588916.9A CN103643077B (en) | 2013-11-20 | 2013-11-20 | A kind of Silver alloy auxiliary alloy material with excellent mechanical performances |
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| CN103643077B CN103643077B (en) | 2015-12-09 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101180412A (en) * | 2005-07-07 | 2008-05-14 | 株式会社神户制钢所 | Copper alloy with high strength and excellent processability in bending and process for producing copper alloy sheet |
| US20090317292A1 (en) * | 2008-06-20 | 2009-12-24 | Gertge Annette T | Variable karat gold alloys |
| CN102373347A (en) * | 2011-10-18 | 2012-03-14 | 深圳大学 | Joint coating copper-based alloy for silver and preparation method thereof |
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2013
- 2013-11-20 CN CN201310588916.9A patent/CN103643077B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101180412A (en) * | 2005-07-07 | 2008-05-14 | 株式会社神户制钢所 | Copper alloy with high strength and excellent processability in bending and process for producing copper alloy sheet |
| US20090317292A1 (en) * | 2008-06-20 | 2009-12-24 | Gertge Annette T | Variable karat gold alloys |
| CN102373347A (en) * | 2011-10-18 | 2012-03-14 | 深圳大学 | Joint coating copper-based alloy for silver and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 杨晓蓉: "银补口和焊料成分含量研究", 《现代商贸工业》, vol. 20, no. 5, 31 May 2008 (2008-05-31), pages 333 - 334 * |
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Effective date of registration: 20161205 Address after: 536000 the Guangxi Zhuang Autonomous Region, Beihai Industrial Park, China Electronics Industrial Park building on the third floor of East 07A room, room A01 Patentee after: BEIHAI JIAHUA JEWELRYCO., Ltd. Address before: 536000 the Guangxi Zhuang Autonomous Region Beihai industrial park by Road No. 22 factory A01 Patentee before: BEIHAI XINLIKUN METAL MATERIAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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