CN1061384C - Ultrastrong high-purity gold alloy material for jewelry - Google Patents
Ultrastrong high-purity gold alloy material for jewelry Download PDFInfo
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- CN1061384C CN1061384C CN98113521A CN98113521A CN1061384C CN 1061384 C CN1061384 C CN 1061384C CN 98113521 A CN98113521 A CN 98113521A CN 98113521 A CN98113521 A CN 98113521A CN 1061384 C CN1061384 C CN 1061384C
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- gold
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- rare earth
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Abstract
The present invention provides a super strength high-purity gold alloy material used for manufacturing jewelry. The alloy material comprises the main components by the following weight percentage: 99.01% to 99.97 wt% of pure gold material, 0.0003 to 0.9 wt% of titanium and 0.0003 to 0.09 wt% of rare earth element, and the method comprises the step of adding the titanium and the rare earth element to the pure gold material. The proportion of a part of titanium can be replaced by one kind or several kinds of the following elements: copper, aluminum, calcium, silver, cadmium, cobalt, palladium and zinc; the total weight of the element, the titanium and the rare earth element can not exceed 0.99% of the total weight of the alloy in order to ensure that the gold purity is larger than 99%.
Description
The present invention relates to a kind of alloy material that jewellery are produced that is used for, belong to
Gold product and jewellery thereof are made the field.
Utilizing high purity gold to make products such as earrings, ring, necklace, bangle, pendant, bracelet, commemorative coin is widely current in China and south east asia and even the whole world.Yet, common high purity gold in production technology, soften owing to often being heated in the operating process or self hardness very low, be easy to cause damage, difficulty is made fineness, competent product.Therefore, the improvement for the high purity gold copper-base alloy has very big requirement, particularly following aspect of performance:
(1) they should possess the high purity of satisfying the criteria and requiring, and promptly are not less than proof gold content 99% weight percent.
(2) they should possess the hardness that has under the high physical strength, particularly high temperature and the tensile strength under the normal temperature state, thus indeformable damage in the course of processing, wear-resisting behind the finished product, tension, lasting.
(3) in that they can not be out of shape owing to softening with wax moulding processing and meticulous minute finish, gloss is lasting.
(4) keep good plastically deformable performance, be beneficial to processing.
In the method for extensively utilization up to the present, add silver, copper, cadmium, zinc etc. and reduce significantly and contain weight percent (being purity) golden in the gold copper-base alloy and realize in order to improve above-mentioned performance, but over-all properties does not all reach above-mentioned requirements.
The objective of the invention is to find a kind of (one group) element can improve above-mentioned performance effectively and guarantee in the material that auriferous weight percent (purity) is not less than standard and stable, thereby make alloy material, particularly be suitable for the alloy material that high strength, good luster were processed and had to jewellery with new component.
Technical scheme of the present invention is the 99.01%-99.97% that the high purity gold accounts for gross weight, and all the other add the titanium of 0.0003-0.9% weight and the rare earth element of 0.0003-0.09% weight.
When the technical program can also be chosen a part of ratio (but the content of titanium is at least 0.0003%) of the one or more combination replacement titanium in the following element set, the performance of au-alloy is identical, only change color and luster, this group element and the part by weight of selecting for use are: the copper of 0.00005-0.005%, the aluminium of 0.0001-0.003%, the calcium of 0.0001-0.003%, the silver of 0.0005-0.005% weight, the cadmium of 0.0005-0.005%, the cobalt of 0.005-0.05%, the palladium of 0.00005-0.005%, the zinc of 0.005-0.05%, when adding a kind of or any several combination of above-mentioned element, must guarantee that its total add-on and the gross weight of titanium and rare earth element must not be above 0.99% of total amounts in alloy material.
Above-mentioned each element also must guarantee its purity of 99.99%, and promptly foreign matter content must not surpass 0.01% weight.
Alloy material of the present invention has special premium properties, and particularly at room temperature or during elevated temperature, physical strength is very high, and can uniform and desired structure make product aborning, and highly reliable, yield rate is very high.The luster effect of product is that traditional purity gold is beyond one's reach.This ideal over-all properties is particularly suitable for jewellery and makes.Alloy material of the present invention is suitable for known so far any jewellery technological method for processing.Such as stretching throwing, quantitative titanium and rare earth element can be joined in the gold, through processing steps such as melting, casting, forging, rolling, stretchings, make the silk of 0.18mm diameter, make necklace at last through being shaped, welding.
Set forth embodiments of the invention below particularly:
To join purity be that gold accounts for 99.01% of gross weight in 99.99% the gold with accounting for the titanium of gross weight 0.9 weight percent and 0.09 per-cent rare earth element.Material after the melting is cast, forging, rolling, be stretched to the silk that diameter is 0.3mm.So obtain silk and same obtain golden purity through casting, forging, rolling, stretching be that 99.99% diameter is the silk of 0.3mm, at room temperature carry out hardness and break the bearing capacity measurement, numerical value is as follows:
Gold purity hardness (hv) carrying pulling force (kg)
0.3 alloy silk 99.00 128 4.8
0.3 spun gold 99.99 43 1.8
To join purity be in 99.99% the gold with accounting for the titanium of gross weight 0.45% and 0.045% rare earth element, maybe will account for the titanium of gross weight 0.0003% and 0.0003% rare earth element joins in the gold of 99.99% purity, through casting, forging, rolling, stretching and diameter be the silk of 0.3mm, at room temperature carry out hardness and break the bearing capacity measurement, numerical value is as follows:
Gold purity hardness (hv) carrying pulling force (kg)
0.3 alloy silk 99.505 96 3.92
0.3 spun gold 99.98 52 2.2
Show that more than alloy material of the present invention is guaranteeing high purity gold (99%) and be fit under the jewellery complete processing situation that physical strength is greatly improved, color and luster uses this invention material to make jewellery and will extensively be fit to the market requirement significantly better than proof gold.
Claims (2)
1. ultrastrong high-purity gold alloy material for jewelry, wherein golden weight is 99.01%-99.97%, all the other add the titanium of 0.0003-0.9% weight and the rare earth element of 0.0003-0.09% weight.
2. ultrastrong high-purity gold alloy material for jewelry according to claim 1 is characterized in that above-mentioned each element impurity content must not surpass 0.01% weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98113521A CN1061384C (en) | 1998-04-25 | 1998-04-25 | Ultrastrong high-purity gold alloy material for jewelry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98113521A CN1061384C (en) | 1998-04-25 | 1998-04-25 | Ultrastrong high-purity gold alloy material for jewelry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1203281A CN1203281A (en) | 1998-12-30 |
| CN1061384C true CN1061384C (en) | 2001-01-31 |
Family
ID=5223240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98113521A Expired - Fee Related CN1061384C (en) | 1998-04-25 | 1998-04-25 | Ultrastrong high-purity gold alloy material for jewelry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1061384C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127659B (en) * | 2011-01-13 | 2012-12-12 | 上海交通大学 | Method for optimizing strength of thousand pure gold jewellery and gold alloy material |
| CN103695692B (en) * | 2013-12-11 | 2015-11-25 | 广州番禺职业技术学院 | A kind of high-purity high rigidity alloy material and preparation method thereof |
| CN104357703A (en) * | 2014-10-28 | 2015-02-18 | 北海鑫利坤金属材料科技开发有限公司 | Rose-bengal 18 K gold and preparation method thereof |
| EP3040790A1 (en) * | 2014-12-29 | 2016-07-06 | Montres Breguet S.A. | Timepiece or piece of jewellery made of a light titanium-based precious alloy |
| CN105002391A (en) * | 2015-05-27 | 2015-10-28 | 安徽捷澳电子有限公司 | Hyperfine gold flat silk ribbon and preparation method thereof |
| CN105369048B (en) * | 2015-11-05 | 2017-07-21 | 上海七久新材料科技有限公司 | V-N steel hard pure gold and preparation method thereof |
| CN106702202B (en) * | 2015-11-12 | 2019-02-15 | 尊尚（深圳）穿金戴银技术股份有限公司 | A kind of hard pure gold and preparation method thereof |
| CN107630149A (en) * | 2017-08-30 | 2018-01-26 | 惠州市好得高精密五金有限公司 | A kind of rigid pure gold watchcase and its compounding method |
| CN111979442A (en) * | 2019-05-24 | 2020-11-24 | 深圳市凯仕莱珠宝有限公司 | Production formula and production process of golden water wave tablet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055135A (en) * | 1990-09-22 | 1991-10-09 | 中国有色金属工业总公司昆明贵金属研究所 | Gold soldering flux ally for fine gold adornment |
-
1998
- 1998-04-25 CN CN98113521A patent/CN1061384C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055135A (en) * | 1990-09-22 | 1991-10-09 | 中国有色金属工业总公司昆明贵金属研究所 | Gold soldering flux ally for fine gold adornment |
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| Publication number | Publication date |
|---|---|
| CN1203281A (en) | 1998-12-30 |
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