CN1372860A - Technology for making Pt-Ag alloy jewelry - Google Patents
Technology for making Pt-Ag alloy jewelry Download PDFInfo
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- CN1372860A CN1372860A CN 02115042 CN02115042A CN1372860A CN 1372860 A CN1372860 A CN 1372860A CN 02115042 CN02115042 CN 02115042 CN 02115042 A CN02115042 A CN 02115042A CN 1372860 A CN1372860 A CN 1372860A
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- silver
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Abstract
A technology for making the Pt-Ag alloy jewelry includes as melting silver, heating to 900-1100 deg.c, gradually adding platinum, heating to 1700-1900 deg.C, alloying, cooling to 900-1100 deg.C, adding Zn (0.1-0.5%), vacuum moulding with high-temp gypsum mould, and cooling. Its advantages are high lustre durability and not decolouring easily.
Description
Technical field
The present invention relates to a kind of technology of making Pt-Ag alloy jewelry.
Background technology
Along with improving constantly of people's living standard, people use jewellery more and more, and its purpose is not only value preserving, but tend to more decorate, this makes jewellery market satisfy the requirement of user value preserving from noble metals such as single use diamond, gold, to the more cheap alloy that uses many kinds, many styles, can better satisfy the user and upgrade the demand direction of asking different and change.Pt-Ag alloy jewelry is with good, the not easy to fade characteristics of its surface gloss, be subjected to users' welcome, its market share constantly enlarges, the technology of existing processing Pt-Ag alloy jewelry, adopt on silver mostly and plate platinum in the mode of electroplating, this technology, adopt traditional process, its technical maturity, but the Pt-Ag alloy jewelry that utilizes this technology to make always exists gap, the situation that the user can go out to fade in use for some time between coating and body, the time that its glossiness keeps falls short of, and can not satisfy user's demand better.
Summary of the invention
The object of the present invention is to provide a kind of technology of making Pt-Ag alloy jewelry, the time that the Pt-Ag alloy jewelry glossiness of making is kept is longer, not fugitive color.
A kind of technology of making Pt-Ag alloy jewelry of the present invention comprises following steps:
1,, and heats to 900 ℃ to 1100 ℃ with the silver fusing;
2, platinum is successively put into the silver that has melted one by one;
3, be heated to 1700 ℃ to 1900 ℃, with platinum and fully fusion of silver;
4, the temperature of platinum-silver alloys is reduced to 900 ℃ to 1100 ℃, and add the zinc of 0.1 gram to 0.5 gram in each hectogram alloy, use the straight north machine of vacuum platinum-silver alloys to be poured in the plaster mold of high temperature, cooling can make Pt-Ag alloy jewelry then.
Because a kind of technology of making Pt-Ag alloy jewelry of the present invention, platinum and silver are at high temperature fused, form real alloy, the gap is the gap on the atomic structure basically between platinum and the silver, corrosive substance such as air, water is difficult to infiltrate, the time that the Pt-Ag alloy jewelry glossiness of making is kept is longer, not fugitive color.Our experiments show that, under same ozone environment, test that the Pt-Ag alloy jewelry that uses existing technology to make after 2 hours begins variable color, Pt-Ag alloy jewelry variable color not yet after 8 hours of using a kind of technology of making Pt-Ag alloy jewelry of the present invention to make; Test in same synthetic perspiration, the Pt-Ag alloy jewelry that prior art is made after 48 hours begins variable color, the Pt-Ag alloy jewelry variable color not yet in 600 hours of using the present invention to make.
The specific embodiment
Below by embodiment the present invention is described in further detail:
Embodiment 1
A kind of technology of making Pt-Ag alloy jewelry of the present invention comprises following steps:
1,, and heats to 1000 ℃ with the silver fusing;
2, platinum is successively put into the silver that has melted one by one;
3, be heated to 1800 ℃, with platinum and fully fusion of silver;
4, the temperature of platinum-silver alloys is reduced to 1000 ℃, and add the zinc of 0.25 gram in each hectogram alloy, use the straight north machine of vacuum platinum-silver alloys to be poured in the plaster mold of high temperature, cooling can make Pt-Ag alloy jewelry then.
Embodiment 2
A kind of technology of making Pt-Ag alloy jewelry of the present invention comprises following steps:
1,, and heats to 900 ℃ with the silver fusing;
2, platinum is successively put into the silver that has melted one by one;
3, be heated to 1900 ℃, with platinum and fully fusion of silver;
4, the temperature of platinum-silver alloys is reduced to 1100 ℃, and add the zinc of 0.5 gram in each hectogram alloy, use the straight north machine of vacuum platinum-silver alloys to be poured in the plaster mold of high temperature, cooling can make Pt-Ag alloy jewelry then.
Embodiment 3
A kind of technology of making Pt-Ag alloy jewelry of the present invention comprises following steps:
1,, and heats to 1100 ℃ with the silver fusing;
2, platinum is successively put into the silver that has melted one by one;
3, be heated to 1700 ℃, with platinum and fully fusion of silver;
4, the temperature of platinum-silver alloys is reduced to 900 ℃, and add the zinc of 0.1 gram in each hectogram alloy, use the straight north machine of vacuum platinum-silver alloys to be poured in the plaster mold of high temperature, cooling can make Pt-Ag alloy jewelry then.
A kind of technology of making Pt-Ag alloy jewelry of the present invention is not limited to the foregoing description.
Claims (4)
1, a kind of technology of making Pt-Ag alloy jewelry is characterized in that:
Comprise following steps:
(1), and heats to 900 ℃ to 1100 ℃ with the silver fusing;
(2) platinum is successively put into the silver that has melted one by one;
(3) be heated to 1700 ℃ to 1900 ℃, with platinum and fully fusion of silver;
(4) temperature of platinum-silver alloys is reduced to 900 ℃ to 1100 ℃, and add the zinc of 0.1 gram to 0.5 gram in each hectogram alloy, use the straight north machine of vacuum platinum-silver alloys to be poured in the plaster mold of high temperature, cooling can make Pt-Ag alloy jewelry then.
2, a kind of technology of making Pt-Ag alloy jewelry according to claim 1 is characterized in that:
Comprise following steps:
(1), and heats to 1000 ℃ with the silver fusing;
(2) platinum is successively put into the silver that has melted one by one;
(3) be heated to 1800 ℃, with platinum and fully fusion of silver;
(4) temperature of platinum-silver alloys is reduced to 1000 ℃, and add the zinc of 0.25 gram in each hectogram alloy, use the straight north machine of vacuum platinum-silver alloys to be poured in the plaster mold of high temperature, cooling can make Pt-Ag alloy jewelry then.
3, a kind of technology of making Pt-Ag alloy jewelry according to claim 1 is characterized in that:
Comprise following steps:
(1), and heats to 900 ℃ with the silver fusing;
(2) platinum is successively put into the silver that has melted one by one;
(3) be heated to 1900 ℃, with platinum and fully fusion of silver;
(4) temperature of platinum-silver alloys is reduced to 1100 ℃, and add the zinc of 0.5 gram in each hectogram alloy, use the straight north machine of vacuum platinum-silver alloys to be poured in the plaster mold of high temperature, cooling can make Pt-Ag alloy jewelry then.
4, a kind of technology of making Pt-Ag alloy jewelry according to claim 1 is characterized in that:
Comprise following steps:
(1), and heats to 1100 ℃ with the silver fusing
(2) platinum is successively put into the silver that has melted one by one;
(3) be heated to 1700 ℃, with platinum and fully fusion of silver;
(4) temperature of platinum-silver alloys is reduced to 900 ℃, and add the zinc of 0.1 gram in each hectogram alloy, use the straight north machine of vacuum platinum-silver alloys to be poured in the plaster mold of high temperature, cooling can make Pt-Ag alloy jewelry then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021150427A CN1160003C (en) | 2002-04-08 | 2002-04-08 | Technology for making Pt-Ag alloy jewelry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021150427A CN1160003C (en) | 2002-04-08 | 2002-04-08 | Technology for making Pt-Ag alloy jewelry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1372860A true CN1372860A (en) | 2002-10-09 |
| CN1160003C CN1160003C (en) | 2004-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021150427A Expired - Fee Related CN1160003C (en) | 2002-04-08 | 2002-04-08 | Technology for making Pt-Ag alloy jewelry |
Country Status (1)
| Country | Link |
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| CN (1) | CN1160003C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362242B (en) * | 2008-09-17 | 2010-06-09 | 山东蓝天首饰有限公司 | Pure silver ornament welding technique |
-
2002
- 2002-04-08 CN CNB021150427A patent/CN1160003C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362242B (en) * | 2008-09-17 | 2010-06-09 | 山东蓝天首饰有限公司 | Pure silver ornament welding technique |
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| Publication number | Publication date |
|---|---|
| CN1160003C (en) | 2004-08-04 |
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