CN103332931A - Method for preparing high-compactness zirconium oxide ceramic knife raw material powder - Google Patents
Method for preparing high-compactness zirconium oxide ceramic knife raw material powder Download PDFInfo
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Abstract
The invention discloses a method for preparing high-compactness zirconium oxide ceramic knife raw material powder. The powder comprises the following components in parts by molar ratio: 1 part of base material, 0.0001 to 0.5 part of dense agent and 0.0002 to 0.08 part of surfactant, wherein the base material is a composition of zirconium oxychloride and yttrium nitrate in the molar ratio of 97 to 3, the dense agent is a composition of calcium metaborate, magnesium chloride and liquid sodium silicate in the molar ratio of 1 to 0.05-1.3 to 0.2-1.9, and the surfactant is a composition of peregal and triethanolamine lauryl sulfate in the molar ratio of 1 to 2-5. The calcium metaborate, the magnesium chloride and the liquid sodium silicate are combined with the zirconium oxychloride and the yttrium nitrate to form a composite oxide, the effect of sealing a hole is achieved, and the density uniformity of a ceramic knife product is improved.
Description
Technical field
The present invention relates to a kind of zirconia ceramics cutter material powder, specifically relate to a kind of preparation method of high-compactness zirconia ceramics cutter material powder.
Background technology
The conventional preparation method of zirconia ceramics cutter is for making the Stupalox material powder earlier, and material powder carries out moulding again, sintering is made the zirconia ceramics cutter.The performance of Stupalox material powder has determined the characteristic of Stupalox finished product.
It is feedstock production that at present domestic and international zirconia ceramics cutter generally adopts the zirconium white of single 3%mol stabilized with yttrium oxide, cutter hub can form many micropores in the process of high temperature sintering preparation, in this Stupalox cutting of life-time service Radix Dauci Sativae, fruits and vegetables such as tomato, the cutter hub micropore sucks garden spgarden stuff and variable color easily, thereby influence the work-ing life of Stupalox, the cutter hub micropore is difficult to clean after sucking garden spgarden stuff simultaneously, cause the easy breed bacteria of cutter hub, use this cutter to be unfavorable for health repeatedly, address these problems, just should reduce the formation of cutter hub micropore in the zirconia ceramics cutter preparation process as far as possible, thereby reduce even stop to cut the suction of garden spgarden stuff in the process of fruits and vegetables.
Summary of the invention
The invention provides a kind of preparation method of high-compactness zirconia ceramics cutter material powder, solve the problem of cutter hub formation micropore in the Stupalox preparation process.
A kind of preparation method of high-compactness zirconia ceramics cutter material powder, carry out according to the following steps:
(1) prepares 1 part of base-material in molar ratio, 0.0001～0.5 part of compact agent, 0.0002～0.08 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the mol ratio of calcium metaborate, magnesium chloride, liquid sodium silicate is 1:0.05～1.3:0.2～1.9;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:2～5;
(2) basic zirconium chloride, Yttrium trinitrate, calcium metaborate, magnesium chloride are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, the weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.1～9.5 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 750～1050 ℃, and soaking time is 9 hours, pulverizes to get final product again.
Preferably, a kind of preparation method of high-compactness zirconia ceramics cutter material powder is below pressing
Step is carried out:
(1) prepares 1 part of base-material in molar ratio, 0.0038 part of compact agent, 0.0096 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the mol ratio of calcium metaborate, magnesium chloride, liquid sodium silicate is 1:0.5:0.4;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:5;
(2) basic zirconium chloride, Yttrium trinitrate, calcium metaborate, magnesium chloride are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, the weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.2 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 750 ℃, and soaking time is 9 hours, pulverizes to get final product again.
The stirring velocity that liquid sodium silicate adds in the deionized water is 400-700r/min.
Preferably, described calcium metaborate is four water calcium metaborates, and magnesium chloride is magnesium chloride hexahydrate.
After adopting technique scheme, the present invention compares with existing background technology, has following advantage:
Be Base Material with basic zirconium chloride and Yttrium trinitrate, calcium metaborate, magnesium chloride and liquid sodium silicate are combined with basic zirconium chloride and Yttrium trinitrate and are formed composite oxides, these composite oxides can form the oxide complex of semi-melting shape in ceramic cutter hub sintering process, play the effect of sealing of hole, form stable dense structure, improve the density uniformity of Stupalox goods.
Embodiment
Some embodiments of the present invention below are provided, understand the present invention to help further, but protection scope of the present invention are not limited in these embodiment.
Embodiment one
A kind of preparation method of high-compactness zirconia ceramics cutter material powder, carry out according to the following steps:
(1) prepares 1 part of base-material in molar ratio, 0.0038 part of compact agent, 0.0096 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the mol ratio of calcium metaborate, magnesium chloride, liquid sodium silicate is 1:0.5:0.4;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:5.
(2) basic zirconium chloride, Yttrium trinitrate, calcium metaborate, magnesium chloride are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, stirring velocity is 500r/min; The weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.2 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 750 ℃, and soaking time is 9 hours, pulverizes to get final product again.
Embodiment two
A kind of preparation method of high-compactness zirconia ceramics cutter material powder, carry out according to the following steps:
(1) prepares 1 part of base-material in molar ratio, 0.0032 part of compact agent, 0.0002 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the mol ratio of calcium metaborate, magnesium chloride, liquid sodium silicate is 1:1:1.2;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:4;
(2) basic zirconium chloride, Yttrium trinitrate, calcium metaborate, magnesium chloride are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, stirring velocity is 700r/min; The weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.1 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 850 ℃, and soaking time is 9 hours, pulverizes to get final product again.
Embodiment three
A kind of preparation method of high-compactness zirconia ceramics cutter material powder, carry out according to the following steps:
(1) prepares 1 part of base-material in molar ratio, 0.0066 part of compact agent, 0.018 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the mol ratio of calcium metaborate, magnesium chloride, liquid sodium silicate is 1:1.3:1;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:5;
(2) basic zirconium chloride, Yttrium trinitrate, calcium metaborate, magnesium chloride are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, stirring velocity is 400r/min; The weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.2 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 950 ℃, and soaking time is 9 hours, pulverizes to get final product again.
Embodiment four
A kind of preparation method of high-compactness zirconia ceramics cutter material powder, carry out according to the following steps:
(1) prepares 1 part of base-material in molar ratio, 0.0255 part of compact agent, 0.08 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the mol ratio of calcium metaborate, magnesium chloride, liquid sodium silicate is 1:0.05:1.5;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:5;
(2) basic zirconium chloride, Yttrium trinitrate, calcium metaborate, magnesium chloride are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, stirring velocity is 600r/min; The weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.2 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 750 ℃, and soaking time is 9 hours, pulverizes to get final product again.
Embodiment five
A kind of preparation method of high-compactness zirconia ceramics cutter material powder, carry out according to the following steps:
(1) prepares 1 part of base-material in molar ratio, 0.021 part of compact agent, 0.004 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of four water calcium metaborates, magnesium chloride hexahydrate and liquid sodium silicate, and the mol ratio of four water calcium metaborates, magnesium chloride hexahydrate, liquid sodium silicate is 1:0.9:0.2;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:3;
(2) basic zirconium chloride, Yttrium trinitrate, four water calcium metaborates, magnesium chloride hexahydrate are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, stirring velocity is 600r/min; The weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.2 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 1050 ℃, and soaking time is 9 hours, pulverizes to get final product again.
Embodiment six
A kind of preparation method of high-compactness zirconia ceramics cutter material powder, carry out according to the following steps:
(1) prepares 1 part of base-material in molar ratio, 0.5 part of compact agent, 0.03 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of four water calcium metaborates, magnesium chloride hexahydrate and liquid sodium silicate, and the mol ratio of four water calcium metaborates, magnesium chloride hexahydrate, liquid sodium silicate is 1:0.2:0.8;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:2;
(2) basic zirconium chloride, Yttrium trinitrate, four water calcium metaborates, magnesium chloride hexahydrate are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, stirring velocity is 600r/min; The weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.2 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 1000 ℃, and soaking time is 9 hours, pulverizes to get final product again.
Experiment:
The material powder that embodiment 1-6 is obtained is by the conventional Stupalox preparation method in this area, be prepared into the zirconia ceramics cutter, the zirconia ceramics cutter was soaked in the Radix Dauci Sativae juice 100 hours at ambient temperature, carried out the whiteness test of zirconia ceramics cutter then, and table with test results understands that degree does not change.
Experiment showed, that the zirconia ceramics cutter that material powder of the present invention is prepared into has good compactness.
Above-described embodiment is preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (4)
1. the preparation method of a high-compactness zirconia ceramics cutter material powder is characterized in that: carry out according to the following steps:
(1) prepares 1 part of base-material in molar ratio, 0.0001～0.5 part of compact agent, 0.0002～0.08 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the mol ratio of calcium metaborate, magnesium chloride, liquid sodium silicate is 1:0.05～1.3:0.2～1.9;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:2～5;
(2) basic zirconium chloride, Yttrium trinitrate, calcium metaborate, magnesium chloride are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, the weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.1～9.5 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 750～1050 ℃, and soaking time is 9 hours, pulverizes to get final product again.
2. the preparation method of a kind of high-compactness zirconia ceramics cutter material powder according to claim 1 is characterized in that: carry out according to the following steps:
(1) prepares 1 part of base-material in molar ratio, 0.0038 part of compact agent, 0.0096 part in tensio-active agent;
Described base-material is the composition of basic zirconium chloride and Yttrium trinitrate, and the mol ratio of basic zirconium chloride and Yttrium trinitrate is 97:3;
Described compact agent is the composition of calcium metaborate, magnesium chloride and liquid sodium silicate, and the mol ratio of calcium metaborate, magnesium chloride, liquid sodium silicate is 1:0.5:0.4;
Described tensio-active agent is the composition of peregal and dodecyltriethanolamine sulfate, and the mol ratio of peregal and dodecyltriethanolamine sulfate is 1:5;
(2) basic zirconium chloride, Yttrium trinitrate, calcium metaborate, magnesium chloride are added deionized water for stirring it is dissolved fully, obtain solution A, the total amount of basic zirconium chloride and Yttrium trinitrate and the weight ratio of deionized water are 1:1.5;
Peregal is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution B;
Dodecyltriethanolamine sulfate is dissolved in deionized water, and to be mixed with mass percentage concentration be 10% solution, obtains solution C;
The preparation mass percentage concentration is 20% ammoniacal liquor;
(3) liquid sodium silicate is added deionized water for stirring half an hour, the weight ratio of liquid sodium silicate and deionized water is 1:100; Drip above-mentioned solution A, solution B, solution C and ammoniacal liquor simultaneously and begin reaction, control PH=9.2 in the reaction process, reaction was finished post-heating to 95 ℃ aging 72 hours, centrifuge dripping, oven dry, calcining, calcining temperature is 750 ℃, and soaking time is 9 hours, pulverizes to get final product again.
3. according to the preparation method of claim 1 or 2 described a kind of high-compactness zirconia ceramics cutter material powders, it is characterized in that: the stirring velocity that liquid sodium silicate adds in the deionized water is 400-700r/min.
4. the preparation method of a kind of high-compactness zirconia ceramics cutter material powder according to claim 1 and 2, it is characterized in that: described calcium metaborate is four water calcium metaborates, and magnesium chloride is magnesium chloride hexahydrate.
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| CN105503179A (en) * | 2015-12-15 | 2016-04-20 | 东莞信柏结构陶瓷股份有限公司 | Making method for ceramic cutting tool |
| CN107456060A (en) * | 2016-06-06 | 2017-12-12 | 佛山市南海太康制冷设备有限公司 | A kind of heavy caliber low speed juicer |
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