A kind of metal clay and the plastic sintering method based on flexible metal paper

Abstract

The invention discloses a metal clay and a molding and sintering method based on flexible metal paper. The metal clay comprises the following components: metal powder, adhesive, borax, solder powder, sodium hydroxide, nitrite, grease and water; the binders include gum arabic, xanthan and gelatin, and the oils include glycerin and silicone oil. The metal clay provided by the invention can be conveniently stored and kept moist for a long time in three states of semi-fluid, fluid or paper sheet, and can be conveniently converted according to the needs of users; the molding and sintering method based on flexible metal It is suitable for realizing various complex metal product shapes through kneading, folding and / or smearing, and can directly shape the finished product without traditional lost wax casting, which saves production time; at the same time reduces the low-temperature sintering time and increases the bending of the finished product Degree and shrinkage, improve the probability of finished products.

Description

technical field [0001] The invention relates to a metal clay and a sintering method, in particular to a metal clay and a plastic sintering method based on flexible metal paper. Background technique [0002] In ancient techniques, silver jewelry is usually formed by casting. In recent years, clay containing silver powder has been sold, and the silver clay is molded in the shape that everyone likes. After the molding is completed, it is placed in a cool place, and then sintered after drying. After completion, the desired shape is produced. silver jewelry or arts and crafts silver jewelry. Such as the silver powder for silver clay disclosed in Chinese patent document CN1280045C and the silver clay containing the silver powder. Another example is the silver clay disclosed in Chinese patent document CN101311138A. [0003] There is following problem in above-mentioned prior art: [0004] 1. The existing formula invention is only satisfied with silver as a single metal material...

AI Technical Summary

Problems solved by technology

[0004] 1. The existing formula invention is only satisfied with silver as a single metal material, and cannot be used for copper, gold, silver, three materials;

[0005] 2. It cannot meet the requirements of preparing semi-fluid, fluid and paper states at the same time;

[0006] 3. The color of the prepared silver clay is gray-black, and the shrinkage is very large after sintering, so it is not suitable for industrial use;

[0007] 4. Low temperature drying time is required for a long time, and it is easy to deform. If the drying temperature is slightly higher, it will be very easy to burst or deform and bubble;

[0008] 5. It is easy to deform during sintering and molding, thus affecting product quality;

[0009] 6. The finished product has poor ductility and cannot be bent

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