Artificial alumina doped colored gemstone and production method thereof

An alumina and gemstone technology, applied in chemical instruments and methods, single crystal growth, crystal growth, etc., can solve the problems of easy cracking, high burst rate, poor color, etc.

Inactive Publication Date: 2021-01-19
CHONGQING SILIAN OPTOELECTRONICS SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a large-scale artificial alumina-doped colored gemstone and its production method, which are used to solve the problems of the colored gemstones in the prior art that are too small in size, poor in color, and have bubbles. Many, easy to produce cracks, high bursting rate and other problems

Method used

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  • Artificial alumina doped colored gemstone and production method thereof
  • Artificial alumina doped colored gemstone and production method thereof
  • Artificial alumina doped colored gemstone and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] The present embodiment produces purple gemstone, and the equipment model of lifting furnace is PACER S-10 (manufacturer is: AJAXTOCCO), uses iridium gold crucible, utilizes copper coil induction heating to carry out the temperature rise, temperature regulation, growth, Cool down step. Subsequent embodiments all use the same pulling furnace as this embodiment.

[0057] The raw material composition of purple gemstones is as follows: 99.99% purity block Al 2 o 3 , 99.9% purity powder V 2 o 5 , purity 99.9% powdered Ti 2 o 3 , V 2 o 5 The weight accounted for Al 2 o 3 2‰ of weight, Ti 2 o 3 The weight accounted for Al 2 o 3 0.7‰ of weight, Al 2 o 3 The bulk transparent raw material prepared by the flame method is purchased from the market.

[0058] The production method comprises the following steps:

[0059] 1) Furnace loading: Clean the furnace and furnace shell of the equipment, check the insulation performance of the furnace and insulation bricks, adjus...

Embodiment 2

[0068] In the production of green gemstones in this embodiment, an iridium gold crucible is selected, and copper coil induction heating is used to heat up, adjust temperature, grow, and cool down the raw materials and doping elements.

[0069] The raw material composition of green gemstone is as follows: purity 99.99% block material Al 2 o 3 , Purity 99.95% powder V 2 o 5 , purity 99.9% powdered Ti 2 o 3 , 99.9% pure NiO, 99.9% pure Co 3 o 4 ;V 2 o 5 The weight accounted for Al 2 o 3 1‰ of weight, Ti 2 o 3 The weight accounted for Al 2 o 3 0.5‰ of the weight, the weight of NiO accounts for Al 2 o 3 2‰ of weight, Co 3 o 4 The weight accounted for Al 2 o 3 2‰ of weight, Al 2 o 3 It is block transparent raw material of flame method.

[0070] The production method comprises the following steps:

[0071] 1) Furnace loading: Clean the furnace and furnace shell of the equipment, check the insulation performance of the furnace and insulation bricks, adjust the p...

Embodiment 3

[0080] In this embodiment, orange gemstones are produced, and an iridium gold crucible is selected, and copper coil induction heating is used to heat up, adjust temperature, grow, and cool down the raw materials and doping elements.

[0081] The raw material composition of sapphire is as follows: purity 99.99% block Al 2 o 3 , Purity 99.95% powdered NiO, purity 99.9% powdered Ti 2 o 3 , purity 99.99% powdered Cr 2 o 3 ; The weight of NiO accounts for Al 2 o 3 0.5‰ of weight, Ti 2 o 3 The weight accounted for Al 2 o 3 0.5‰ of weight, Cr 2 o 3 The weight accounted for Al 2 o 3 0.2‰ of weight, Al 2 o 3 It is block transparent raw material of flame method.

[0082] The production method comprises the following steps:

[0083] 1) Furnace loading: Clean the furnace and furnace shell of the equipment, check the insulation performance of the furnace and insulation bricks, adjust the position of the crucible to ensure that the crucible is stable and in the middle of th...

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Abstract

The invention provides an artificial alumina doped colored gemstone and a production method thereof. The prepared colored gemstone comprises at least one of purple gemstone, green gemstone and orangegemstone. According to the invention, various colored gemstone formulas are designed, and the production method is combined, so that the prepared gemstone is large in volume and bright in color, the problem of high bubble proportion in existing gemstone production is effectively solved, the bursting rate is also remarkably reduced, the prepared colored gemstone is large in size, and various industrial products, accessories, ornaments and the like can be prepared by cutting and processing various parts.

Description

technical field [0001] The invention relates to the technical field of gemstone production, in particular to an artificial alumina-doped colored gemstone and a production method thereof. Background technique [0002] At present, the synthesis technology of colored gemstones is mainly the flame fusion method, also known as the Verneuil process. The prepared fine powder of raw materials is leaked from the nozzle, evenly sprayed in the hydrogen-oxygen flame and melted, then condensed and crystallized on the top layer of the seed crystal or "pear-shaped single crystal"; the growth of the pear crystal starts from the melting cone at the top During the growth process, its base descends and rotates to ensure that its melting surface has a suitable temperature to grow layer by layer. The artificial gemstones crystallized while rotating have arc growth lines or ribbons like record lines, as well as bead and tadpole shapes. Bubbles and other characteristics; this method does not need...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B15/04C30B15/20C30B29/20
CPCC30B15/04C30B15/20C30B29/20
Inventor 杨明远朱超牛学朋王寅冯利
Owner CHONGQING SILIAN OPTOELECTRONICS SCI & TECH
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