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Hair-based method for fabricating diamond

A production method and diamond technology, applied in the direction of diamond, etc., can solve the problems of not being able to use hair, making diamonds, etc.

Active Publication Date: 2014-09-10
SHENZHEN SAPP DIAMOND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a hair-based diamond production method for the above-mentioned defects of the prior art, which is applied to the production of diamonds, thereby solving the problem that the hair cannot be used to produce diamonds in the prior art

Method used

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  • Hair-based method for fabricating diamond

Examples

Experimental program
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Effect test

Embodiment 1

[0092] 101. Take 420 grams of human hair and heat it to 900 degrees, keep it warm for 1 hour under a slight positive pressure in a nitrogen atmosphere, and obtain 57 grams of C calcium phosphorus mixture;

[0093] 102. The mixture was treated and purified with hydrofluoric acid sulfuric acid and aqua regia step by step as described in steps S201-S203 to obtain 46 grams of pure carbon;

[0094] 103. Heating in a high-temperature graphitization furnace under a slight positive pressure in a nitrogen atmosphere at 2800°C for 20 minutes to obtain 41.5 grams of graphite with a purity of 4N;

[0095] 104. Add graphite to 20% nickel-manganese-cobalt alloy, mix and press it into flakes, add 10 grains of 0.2 mm seed crystals, and put them into the components shown in the assembly structure diagram;

[0096] 105. Afterwards, use a six-sided top press to grow for 30 hours using the temperature and pressure increase process shown in the epitaxy process curve, and obtain 10 yellow diamonds ...

Embodiment 2

[0098] 201. Take 600 grams of human hair and heat it to 900 degrees, and keep it warm for 0.5 hours under a slight positive pressure in a nitrogen atmosphere to obtain 86 grams of C calcium phosphorus mixture;

[0099] 202. The mixture was purified step by step with hydrofluoric acid sulfuric acid and aqua regia as described in steps S201-S203 to obtain 79 grams of pure carbon;

[0100] 203. Use a Φ200×300 type high-temperature graphitization furnace in a nitrogen atmosphere to graphitize at 3000 degrees for 20 minutes under a slight positive pressure to obtain 71 grams of graphite with a purity of 4N;

[0101] 204. Add part of the graphite to 20% pure cobalt alloy powder and press it into flakes, implant 4 0.5mm seed crystals, and put them into the components shown in the assembly structure diagram;

[0102] 205. Using a six-sided top press to grow for 44 hours using the temperature-increasing and pressure-increasing process shown in the epitaxy process curve, four golden yel...

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Abstract

The invention provides a hair-based method for fabricating a diamond. The method comprises the following steps: putting hair into a vacuum environment, introducing an inert gas, and heating the hair, so as to obtain carbonized hair; carrying out acidizing on the carbonized hair by successively using a concentrated sulfuric acid, a hydrofluoric acid and a chloroazotic acid to obtain carbon; carrying out high-temperature heating treatment on the carbon to obtain graphite carbon; and putting the graphite carbon into a combined block arranged in advance, and growing for a period of time under the epitaxial growth process condition, so as to obtain the diamond. A human or animal hair is taken as a raw material, fabrication of an artificial diamond is achieved by a strict and reasonable epitaxial growth process, and the selection range of the fabrication material of the diamond is expanded. In addition, the fabricated diamond can be individualized from raw material selection, and the individualized diamond has collection value, so that convenience is provided for a user.

Description

technical field [0001] The invention relates to the field of superhard materials, in particular to a hair-based diamond manufacturing method. Background technique [0002] Diamond is commonly known as "diamond", which is often referred to as the original body of diamond. It is a mineral composed of carbon element, which is an allotrope of carbon element. Diamond is the hardest substance naturally occurring in nature. [0003] In addition to being the hardest substance in the world, diamond also has very special physical properties. For example, diamond has very good thermal conductivity, which is about four times that of copper; its light transmittance is also very high. When it is transmitted through diamond, it is hardly absorbed by diamond; at the same time, diamond does not conduct electricity. Based on the above physical properties of diamond, it has a wide range of uses. In addition to being used as a superhard tool, it can also be used as a variety of functional mat...

Claims

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Application Information

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IPC IPC(8): C01B31/06C01B32/26
Inventor 张战
Owner SHENZHEN SAPP DIAMOND TECH CO LTD
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