Method for preparing YAG-based transparent ceramics under Mg aid system

A technology of transparent ceramics and sintering aids, which is applied in the field of advanced ceramic preparation and can solve undeveloped problems

Pending Publication Date: 2017-09-05
XUZHOU NORMAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, so far, the art has not yet developed a YAG transparent ceramic material with good optical quality and fine grains and its

Method used

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  • Method for preparing YAG-based transparent ceramics under Mg aid system
  • Method for preparing YAG-based transparent ceramics under Mg aid system
  • Method for preparing YAG-based transparent ceramics under Mg aid system

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[0030] One of the present invention provides a method for preparing yttrium aluminum garnet (Yttrium aluminum garnet) by vacuum sintering under a non-annealing mechanism using a small amount of Mg single additive system 3 Al 5 O 12 The method of YAG)-based transparent ceramics is characterized in that a small amount of Mg is used as a single sintering aid, and a single-step vacuum sintering method is used to prepare YAG transparent ceramics with good optical quality without post-annealing. The transparent ceramic components should meet the following (1) formula or (2) formula:

[0031] (Re x Y 1-x ) 3 Al 5 O 12 (1)

[0032] Y 3 (Cr y Al 1-y ) 5 O 12 (2)

[0033] In the formula, the value range of x is 0≤x≤0.6, the range of y is 0≤y≤0.05, and Re is one of Ce, Nd, Yb, Er, Ho, Dy, Pr, Tm, Sm, Eu or Tb . The addition amount of Mg is 0.003~0.018wt.% of the total mass of Y, Al, Cr or Y, Al, and Re raw material powder. The final prepared YAG transparent ceramic has a linear transmittan...

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Abstract

The invention provides a method for vacuum sintering preparation of yttrium aluminium garnet (Y3Al5O12, YAG)-based transparent ceramics under a non-annealing mechanism based on a few Mg single sintering aid system. A small quantity of Mg is taken as a single sintering aid, and a single-step vacuum sintering method is adopted to prepare the YAG transparent ceramics with favorable optical quality and fine grains without later-stage annealing treatment.

Description

technical field [0001] The invention belongs to the field of advanced ceramic preparation, and relates to a method for preparing YAG-based transparent ceramics with a Mg additive system, in particular to a method for preparing yttrium aluminum garnet (Y 3 Al 5 o 12 , YAG)-based transparent ceramics. Background technique [0002] With its advantages of high peak power, high efficiency, long life, safety and reliability, solid-state lasers have taken a leading position in the field of laser applications, and are widely used in the fields of national defense, industrial processing, and scientific research. At present, developed countries such as Europe and the United States strongly support the development of solid-state laser technology with the strength of the country. my country has also included it in the "National Medium and Long-Term Science and Technology Development Program (2006-2020)" among the eight cutting-edge technologies. The core component of a solid-state la...

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Application Information

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IPC IPC(8): C04B35/44C04B35/64
CPCC04B35/44C04B35/64C04B2235/3224C04B2235/3225C04B2235/3229C04B2235/3241C04B2235/6562C04B2235/6565C04B2235/6567C04B2235/661C04B2235/786C04B2235/9653
Inventor 张乐邵岑周天元孙炳恒高光珍王骋陈浩
Owner XUZHOU NORMAL UNIVERSITY
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