Method for optimizing strength of thousand pure gold jewellery and gold alloy material

Abstract

The invention relates to a method for optimizing strength of thousand-pure gold jewellery and a gold alloy material in the technical field of gold manufacturing. The method comprises the following steps of: firstly mixing micro alloyed calcium element and rare earth element, matching high-purity gold, and carrying out intermediate alloy smelting by adopting a vacuum induction smelting method, thus an intermediate alloy is obtained; then carrying out secondary smelting on the intermediate alloy mixed with the high-purity gold, and finally adding a grain refining element, cooling, and solidifying, thus strength optimization is realized, and the obtained finished product comprises the following components: 99.90-99.91% of gold element, 0.07-0.08% of calcium element, 0.005-0.01% of rare earthelement and 0.008-0.010% of grain refining element. By applying the method provided by the invention, the strength of the thousand-pure gold is improved, and the thousand-pure gold can be guaranteed to reach 24K, namely the gold content is not less than 99.9%, thus gold alloy material containing new component can be prepared, and the gold alloy material and is applicable to high-strength thousand-pure gold material used for gold jewellery processing.

Description

technical field [0001] The invention relates to a method and material in the field of gold manufacturing technology, in particular to a method for optimizing the strength of pure gold jewelry and an alloy material thereof. Background technique [0002] For thousands of years, Chinese people have a special feeling for gold. It symbolizes wealth, auspiciousness, and people's desire for gold. Gold jewelry has played the most important role in Chinese jewelry since ancient times. High-purity gold is not only bright in color, but also has the function of preserving value, and is especially loved by Chinese people. However, due to the extremely low hardness of high-purity pure gold, it is easy to wear during use, and at the same time restricts the development and design of some thin-walled jewelry pieces. Therefore, there is a great demand for improving the strength of pure gold, and it must meet the following characteristics: gold content Not less than 99.9% to meet the domestic...

AI Technical Summary

Problems solved by technology

However, due to the large atomic weight of the Ti element itself, only when the added weight reaches close to 1%, the number of Ti atoms is sufficient, and the strengthening effect is obvious. Therefore, this strengthening technology cannot meet the domestic demand of 99.9% of pure gold.

On October 22, 2008, Shandong Zhaojin Company publicly invented the "Hard Thousand Pure Gold Gold Jewelry Processing Technology". It used electroforming technology to develop high-strength pure gold. Does not conform to the traditional jewelry processing technology