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Method for producing palladium alloy of palladium gold ornaments

A technology for palladium alloys and jewelry, applied in the field of palladium alloys for producing palladium jewelry, can solve the problems of high process requirements, high cost, and difficulty in ensuring the quality of products, and achieves the effect of reducing processing costs and processing difficulty.

Active Publication Date: 2010-05-19
SHENZHEN GMOND JEWELRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] But above-mentioned method, owing to need carry out high-temperature smelting to palladium alloy under vacuum environment, makes process requirement high, and cost also remains high; And at present, utilize domestic technology and equipment, be difficult to make melting environment reach absolute vacuum, like this, to It is also difficult to guarantee the quality of smelted products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0007] The palladium alloy used to produce palladium gold 990 jewelry provided by the present invention has the following components and weight percentages: 99% palladium; 0.75% brass; 0.25% iron;

[0008] Optionally, the palladium alloy used to produce palladium 990 jewelry includes the following components and weight percentages: palladium 98.9%; brass 0.85%; iron 0.25%;

[0009] Optionally, the palladium alloy used to produce palladium 990 jewelry includes the following components and weight percentages: 99.5% palladium; 0.25% brass; 0.25% iron.

[0010] Utilize the method that the present invention prepares palladium alloy as follows:

[0011] (1) palladium raw material, brass and iron are combined by the proportioning provided by the present invention, wherein the weight percent of palladium in the palladium raw material will be higher than 99.95%;

[0012] (2) Utilize acetylene and oxygen gun to heat the raw materials after proportioning at high temperature, and the hea...

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PUM

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Abstract

This invention provides the formula of a Pd alloy for producing Pd ornaments. The Pd alloy comprises: Pd 98.9-99.5 wt.%, brass 0.25-0.85 wt.% and Fe 0.25 wt.%. Fe in the formula can reduce hydrogen adsorbed during the melting process into H2O, thus effectively preventing the surface of the Pd alloy from forming honeycomb shape due to hydrogen adsorption. Therefore, the vacuum condition required for avoiding hydrogen adsorption is not needed, thus reducing the difficulty in processing the Pd alloy.

Description

technical field [0001] The invention relates to a palladium alloy, in particular to a palladium alloy used for producing palladium-gold jewelry. Background technique [0002] As one of the platinum elements, palladium is increasingly favored by consumers for jewelry made from it. Since 2003, palladium 950 jewelry and palladium 990 jewelry have been launched in the domestic market. In the prior art, the components and weight percentages of the palladium alloy used in palladium 990 jewelry are: palladium 99%; brass 1%. During the processing of palladium jewelry, the alloy material needs to be smelted at high temperature, and palladium is very easy to absorb hydrogen at high temperature, so that the smelted product is in the form of a sponge or honeycomb on the surface, which cannot meet the requirements of palladium jewelry processing. process requirements. At present, in order to overcome the above-mentioned shortcomings in the palladium alloy processing process, the pallad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C5/04C22C1/02
Inventor 陈亿斌
Owner SHENZHEN GMOND JEWELRY