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Pink yttrium-zirconium structural ceramic and its preparation method

A technology for pink and ceramic products, which is applied in the field of pink yttrium-zirconium structural ceramics and its preparation, and can solve the problems of unreported yttrium-zirconium structural ceramic products and single color types.

Active Publication Date: 2009-08-26
QIANDONG RARE EARTH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] As we all know, at present, the color of zirconia ceramic products at home and abroad is single, only white and black, and the ceramic artwork is only the surface glaze color is pink, but the embryo body is not pink, and the domestic industry and civilian use are pink YZr structure Ceramic products have not been reported

Method used

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  • Pink yttrium-zirconium structural ceramic and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] see figure 1 , Step 1: Dissolve zirconium oxychloride in water to form 80 g / L, Y 2 o 3 、Nd 2 o 3 、Er 2 o 3 , La 2 o 3 、Sc 2 o 3 Dissolved with nitric acid to make 0.5mol / l respectively, 100 kilograms of ingredients (converted into oxide): ZrO2=93.6 kilograms, Y 2 o 3 = 5.2 kg, Nd 2 o 3 = 0.4 kg, Er 2 o 3 = 0.6 kg, La 2 o 3 = 0.1 kg, Sc 2 o 3 =0.1 kilogram, get the volume number of above-mentioned material respectively: 1170 liters, 92.12 liters, 4.76 liters, 6.28 liters, 1.23 liters, 2.90 liters, join in the mixing tank of 2000 liters successively, stir and mix for subsequent use;

[0018] Step 2: Precipitate by chemical co-precipitation method, the reaction process is: add 500L of deionized water and dispersant (dispersant / material weight = 1.2%) in the reactor, slowly heat up to 60 ° C, and slowly add feed liquid ( In the step 1, the batching liquid) and precipitating agent (ammonia, concentration is 3N), the control reaction temperature is 60 ℃, th...

Embodiment 2

[0024] see figure 1 , Step 1: Dissolve zirconium oxychloride in water to form 80 g / L, Y 2 o 3 、Nd 2 o 3 、Er 2 o 3 , La 2 o 3 、Sc 2 o 3 Dissolved with nitric acid to make 0.5mol / l respectively, 100 kilograms of ingredients (converted into oxide): ZrO2=92.1 kilograms, Y 2 o 3 = 5.0 kg, Nd 2 o 3 = 0.7 kg, Er 2 o 3 = 1.5 kg, La 2 o 3 = 0.4 kg, Sc 2 o 3 =0.3 kilograms, get the volume numbers of above-mentioned materials respectively: 1151 liters, 88.57 liters, 8.32 liters, 15.69 liters, 4.91 liters, 8.71 liters, add successively in the mixing tank of 2000 liters, stir and mix for subsequent use.

[0025] Step 2: Precipitate by chemical co-precipitation method, the reaction process is: add 500L of deionized water and dispersant (dispersant / material weight = 1.2%) in the reactor, slowly heat up to 60 ° C, and slowly add feed liquid ( In the step 1, the batching liquid) and precipitating agent (ammonia, concentration is 3N), the control reaction temperature is 60 ℃,...

Embodiment 3

[0031] see figure 1 , Step 1: Dissolve zirconium oxychloride in water to form 80 g / L, Y 2 o 3 、Nd 2 o 3 、Er 2 o 3 , La 2 o 3 、Sc 2 o 3 Dissolved with nitric acid to make 0.5mol / l respectively, 100 kilograms of ingredients (converted into oxide): ZrO2=92.0 kilograms, Y 2 o 3 = 4.0 kg, Nd 2 o 3 = 0.3 kg, Er 2 o 3 = 3.5 kg, La 2 o 3 = 0.1 kg, Sc 2 o 3 =0.1 kilogram, get the volume number of above-mentioned material respectively: 1150 liters, 70.86 liters, 3.56 liters, 36.61 liters, 1.23 liters, 2.90 liters, join in the mixing tank of 2000 liters successively, stir and mix for subsequent use;

[0032] Step 2: Precipitate by chemical co-precipitation method, the reaction process is: add 500L of deionized water and dispersant (dispersant / material weight = 1.2%) in the reactor, slowly heat up to 60 ° C, and slowly add feed liquid ( In the step 1, the batching liquid) and precipitating agent (ammonia, concentration is 3N), the control reaction temperature is 60 ℃, t...

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Abstract

The invention relates to a pink yttrium-zirconium structural ceramic and a preparation method thereof, belonging to the technical field of structural ceramics. Pink yttrium-zirconium ceramics are composed of 4.8-5.5%Y2O3, 92-96%ZrO2, 0.1-0.8%Nd2O3, 0.5-4.0%Er2O3, 0.05-0.50%La2O3, 0.1-0.30%Sc2O3; pink yttrium-zirconium structural ceramics preparation The method is batching-precipitation-washing-press drying-pink yttrium-zirconium ceramic powder precursor-burning-vibration milling-jet milling-spray granulation-dry pressing molding (or injection molding).

Description

technical field [0001] The invention relates to a pink yttrium-zirconium structural ceramic and a preparation method thereof, belonging to the technical field of structural ceramics. Background technique [0002] As we all know, at present, the color of zirconia ceramic products at home and abroad is single, only white and black, and the ceramic artwork is only the surface glaze color is pink, but the embryo body is not pink, and the domestic industry and civilian use are pink YZr structure Ceramic products have not been reported. Contents of the invention [0003] In order to overcome the deficiency that the current zirconia ceramic products only have black and white colors, the present invention provides a pink yttrium-zirconium structure ceramic and its preparation method. The technical solution adopted by the present invention to solve its technical problems is: a kind of pink yttrium-zirconium structure ceramic is made of 4.8-5.5%Y 2 o 3 , 92-96% ZrO 2 , 0.1-0.8% ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/48C04B35/622
Inventor 龚斌杨惠明刘革命钟晓林周毅
Owner QIANDONG RARE EARTH GRP
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