CN116657011A - Radiation-proof tungsten alloy material and application thereof in preparing radiation-proof appliance - Google Patents
Radiation-proof tungsten alloy material and application thereof in preparing radiation-proof appliance Download PDFInfo
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- CN116657011A CN116657011A CN202310478739.2A CN202310478739A CN116657011A CN 116657011 A CN116657011 A CN 116657011A CN 202310478739 A CN202310478739 A CN 202310478739A CN 116657011 A CN116657011 A CN 116657011A
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- 229910001080 W alloy Inorganic materials 0.000 title claims abstract description 35
- 239000000956 alloy Substances 0.000 title claims abstract description 35
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical class O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 65
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 65
- 230000002195 synergetic effect Effects 0.000 claims abstract description 36
- 239000000440 bentonite Substances 0.000 claims abstract description 25
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 25
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims description 48
- 239000000243 solution Substances 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 32
- 229920001661 Chitosan Polymers 0.000 claims description 26
- 238000002360 preparation method Methods 0.000 claims description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000654 additive Substances 0.000 claims description 17
- 230000000996 additive effect Effects 0.000 claims description 16
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 16
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 16
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 12
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 239000000661 sodium alginate Substances 0.000 claims description 12
- 235000010413 sodium alginate Nutrition 0.000 claims description 12
- 229940005550 sodium alginate Drugs 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- RUDFQVOCFDJEEF-UHFFFAOYSA-N oxygen(2-);yttrium(3+) Chemical class [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims description 10
- 238000007731 hot pressing Methods 0.000 claims description 9
- 229940087596 sodium phenolsulfonate Drugs 0.000 claims description 8
- BLXAGSNYHSQSRC-UHFFFAOYSA-M sodium;2-hydroxybenzenesulfonate Chemical compound [Na+].OC1=CC=CC=C1S([O-])(=O)=O BLXAGSNYHSQSRC-UHFFFAOYSA-M 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 239000007853 buffer solution Substances 0.000 claims description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229960005489 paracetamol Drugs 0.000 claims description 6
- 239000008055 phosphate buffer solution Substances 0.000 claims description 6
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 6
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 238000007725 thermal activation Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229940044927 ceric oxide Drugs 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a radiation-proof tungsten alloy material, which comprises tungsten powder, a modified bentonite synergistic yttrium oxide regulator and a modified treatment fluid, wherein the tungsten powder, the modified bentonite synergistic yttrium oxide regulator and the modified treatment fluid are mixed according to the weight ratio of (28-31): (13-16) and is prepared by proportioning. The radiation-proof tungsten alloy adopts the modified bentonite to cooperate with the yttrium oxide regulator to cooperate with tungsten powder, the bentonite has a lamellar structure, and can play a role in blocking and toughness, so that the radiation-proof and impact-proof performances are bidirectionally optimized, meanwhile, after the bentonite is optimized by the method, the bentonite cooperates with the modified treatment fluid, and the raw materials are synergistically enhanced to jointly enhance the radiation-proof and impact-proof toughness of the product, so that the performance of the product is integrally synergistically improved, and the performance using effect of the product is improved.
Description
Technical Field
The invention relates to the technical field of radiation protection, in particular to a radiation protection tungsten alloy material and application thereof in preparing a radiation protection device.
Background
Tungsten alloy is an alloy based on tungsten with other elements added. Among metals, tungsten has the highest melting point, high-temperature strength and creep resistance, and good heat conduction, electric conduction and electron emission properties, and has a large specific gravity, and besides being widely used for manufacturing hard alloy and alloy additives, tungsten and alloys thereof are widely used in the electronic and electric light source industries, and also used for manufacturing rocket nozzles, die casting molds, armor piercing cores, contacts, heating elements, heat shields and the like in the departments of aerospace, casting, weapons and the like.
The existing tungsten alloy is used as a radiation-proof material, and has poor radiation-proof performance, but the radiation-proof performance and the impact performance are difficult to coordinate and promote, so that the invention further improves and optimizes the radiation-proof material.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a radiation-proof tungsten alloy material and application thereof in preparing a radiation-proof appliance so as to solve the problems in the background art.
The invention solves the technical problems by adopting the following technical scheme:
the invention provides a radiation-proof tungsten alloy material, which comprises tungsten powder, a modified bentonite synergistic yttrium oxide regulator and a modified treatment fluid, wherein the tungsten powder, the modified bentonite synergistic yttrium oxide regulator and the modified treatment fluid are mixed according to the weight ratio of (28-31): (13-16) and is prepared by proportioning.
Preferably, the preparation method of the modified bentonite synergistic yttrium oxide regulator comprises the following steps:
s01: adding bentonite into hydrochloric acid solution according to a weight ratio of 1:5, then adding a silane coupling agent accounting for 5-10% of the total bentonite and sodium dodecyl sulfate accounting for 1-5%, and stirring fully to obtain bentonite liquid;
s02: adding yttrium oxide into a sodium alginate solution according to a weight ratio of 1:6, then adding sodium carboxymethyl cellulose accounting for 2-5% of the total amount of the yttrium oxide and sodium phenolsulfonate accounting for 1-5%, and stirring fully to obtain an yttrium oxide additive;
s03: adding the yttrium oxide additive into the S01 product according to the weight ratio of 1:3, stirring fully, washing with water, and drying to obtain the modified bentonite synergistic yttrium oxide regulator.
Preferably, the mass fraction of the hydrochloric acid solution is 5-10%.
Preferably, the mass fraction of the sodium alginate solution is 10-15%.
Preferably, the preparation method of the modified treatment fluid comprises the following steps:
s11: adding chitosan into deionized water according to a weight ratio of 1:5, adding a phosphoric acid buffer solution accounting for 2-5% of the total chitosan, and uniformly stirring to obtain a chitosan blending solution;
s12: adding 2-3 parts of acetaminophen into 10-15 parts of ethanol solvent, then adding 1-4 parts of chitosan blending liquid, and uniformly stirring;
s13: delivering the cerium oxide into a reactor at 310-320 ℃ for thermal activation for 5-10min, and then cooling to room temperature;
s14: and (3) adding the cerium oxide product of the step (S13) into the step (S12), and stirring fully to obtain the modified treatment liquid.
Preferably, the pH of the phosphate buffer solution is 5.5.
Preferably, the cerium oxide product of S13 in S14 is added into S12 to be prepared according to the weight ratio of 1:6.
Preferably, the preparation method of the radiation-proof tungsten alloy material comprises the following steps:
and (3) uniformly stirring and mixing tungsten powder and a modified bentonite synergistic yttrium oxide regulator, then adding the mixture into a modified treatment liquid, stirring fully, washing with water, drying, and then carrying out hot-pressing treatment, thereby obtaining the modified yttrium oxide composite material.
Preferably, the temperature of the hot pressing treatment is 1210-1240 ℃, the treatment time is 1-2h, and the treatment pressure is 10-20MPa.
The invention also provides application of the radiation-proof tungsten alloy material in preparing a radiation-proof appliance.
Compared with the prior art, the invention has the following beneficial effects:
the radiation-proof tungsten alloy adopts the modified bentonite to cooperate with the yttrium oxide regulator to cooperate with tungsten powder, the bentonite has a lamellar structure, and can play a role in blocking and toughness, so that the radiation-proof and impact-proof performances are bidirectionally optimized, meanwhile, after the bentonite is optimized by the method, the bentonite cooperates with the modified treatment fluid, and the raw materials are synergistically enhanced to jointly enhance the radiation-proof and impact-proof toughness of the product, so that the performance of the product is integrally synergistically improved, and the performance using effect of the product is improved.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The radiation-proof tungsten alloy material comprises tungsten powder, a modified bentonite cooperative yttrium oxide regulator and a modified treatment fluid, wherein the tungsten powder, the modified bentonite cooperative yttrium oxide regulator and the modified treatment fluid are in a weight ratio of (28-31): (13-16) and is prepared by proportioning.
The preparation method of the modified bentonite synergistic yttrium oxide regulator of the embodiment comprises the following steps:
s01: adding bentonite into hydrochloric acid solution according to a weight ratio of 1:5, then adding a silane coupling agent accounting for 5-10% of the total bentonite and sodium dodecyl sulfate accounting for 1-5%, and stirring fully to obtain bentonite liquid;
s02: adding yttrium oxide into a sodium alginate solution according to a weight ratio of 1:6, then adding sodium carboxymethyl cellulose accounting for 2-5% of the total amount of the yttrium oxide and sodium phenolsulfonate accounting for 1-5%, and stirring fully to obtain an yttrium oxide additive;
s03: adding the yttrium oxide additive into the S01 product according to the weight ratio of 1:3, stirring fully, washing with water, and drying to obtain the modified bentonite synergistic yttrium oxide regulator.
The mass fraction of the hydrochloric acid solution in this example is 5-10%.
The mass fraction of the sodium alginate solution in the embodiment is 10-15%.
The preparation method of the modified treatment liquid in the embodiment comprises the following steps:
s11: adding chitosan into deionized water according to a weight ratio of 1:5, adding a phosphoric acid buffer solution accounting for 2-5% of the total chitosan, and uniformly stirring to obtain a chitosan blending solution;
s12: adding 2-3 parts of acetaminophen into 10-15 parts of ethanol solvent, then adding 1-4 parts of chitosan blending liquid, and uniformly stirring;
s13: delivering the cerium oxide into a reactor at 310-320 ℃ for thermal activation for 5-10min, and then cooling to room temperature;
s14: and (3) adding the cerium oxide product of the step (S13) into the step (S12), and stirring fully to obtain the modified treatment liquid.
The pH of the phosphate buffer solution of this example was 5.5.
The cerium oxide product of S13 in S14 of this example was formulated by adding to S12 in a weight ratio of 1:6.
The preparation method of the radiation-proof tungsten alloy material comprises the following steps:
and (3) uniformly stirring and mixing tungsten powder and a modified bentonite synergistic yttrium oxide regulator, then adding the mixture into a modified treatment liquid, stirring fully, washing with water, drying, and then carrying out hot-pressing treatment, thereby obtaining the modified yttrium oxide composite material.
The hot pressing treatment temperature of this embodiment is 1210-1240 ℃, the treatment time is 1-2h, and the treatment pressure is 10-20MPa.
The invention also provides application of the radiation-proof tungsten alloy material in preparing a radiation-proof appliance.
Example 1.
The radiation-proof tungsten alloy material comprises tungsten powder, a modified bentonite synergistic yttrium oxide regulator and a modified treatment fluid, wherein the tungsten powder, the modified bentonite synergistic yttrium oxide regulator and the modified treatment fluid are in a weight ratio of 28:1: 13.
The preparation method of the modified bentonite synergistic yttrium oxide regulator of the embodiment comprises the following steps:
s01: adding bentonite into hydrochloric acid solution according to a weight ratio of 1:5, then adding a silane coupling agent accounting for 5% of the total bentonite and 1% of sodium dodecyl sulfate, and stirring fully to obtain bentonite liquid;
s02: adding yttrium oxide into a sodium alginate solution according to a weight ratio of 1:6, then adding sodium carboxymethyl cellulose accounting for 2% of the total amount of the yttrium oxide and sodium phenolsulfonate accounting for 1%, and stirring fully to obtain an yttrium oxide additive;
s03: adding the yttrium oxide additive into the S01 product according to the weight ratio of 1:3, stirring fully, washing with water, and drying to obtain the modified bentonite synergistic yttrium oxide regulator.
The mass fraction of the hydrochloric acid solution of this example was 5%.
The mass fraction of the sodium alginate solution of this example was 10%.
The preparation method of the modified treatment liquid in the embodiment comprises the following steps:
s11: adding chitosan into deionized water according to a weight ratio of 1:5, adding a phosphoric acid buffer solution accounting for 2% of the total chitosan, and uniformly stirring to obtain a chitosan blending solution;
s12: adding 2 parts of acetaminophen into 10 parts of ethanol solvent, then adding 1 part of chitosan blending solution, and uniformly stirring;
s13: delivering the cerium oxide into a reactor for thermal activation at 310 ℃ for 5min, and then cooling to room temperature;
s14: and (3) adding the cerium oxide product of the step (S13) into the step (S12), and stirring fully to obtain the modified treatment liquid.
The pH of the phosphate buffer solution of this example was 5.5.
The cerium oxide product of S13 in S14 of this example was formulated by adding to S12 in a weight ratio of 1:6.
The preparation method of the radiation-proof tungsten alloy material comprises the following steps:
and (3) uniformly stirring and mixing tungsten powder and a modified bentonite synergistic yttrium oxide regulator, then adding the mixture into a modified treatment liquid, stirring fully, washing with water, drying, and then carrying out hot-pressing treatment, thereby obtaining the modified yttrium oxide composite material.
The autoclave treatment in this example was carried out at 1210℃for 1 hour and at 10MPa.
The invention also provides application of the radiation-proof tungsten alloy material in preparing a radiation-proof appliance.
Example 2.
The radiation-proof tungsten alloy material comprises tungsten powder, a modified bentonite synergistic yttrium oxide regulator and a modified treatment fluid, wherein the tungsten powder, the modified bentonite synergistic yttrium oxide regulator and the modified treatment fluid are mixed according to the weight ratio of 31:3: 16.
The preparation method of the modified bentonite synergistic yttrium oxide regulator of the embodiment comprises the following steps:
s01: adding bentonite into hydrochloric acid solution according to a weight ratio of 1:5, then adding a silane coupling agent accounting for 10% of the total bentonite and 5% of sodium dodecyl sulfate, and stirring fully to obtain bentonite liquid;
s02: adding yttrium oxide into a sodium alginate solution according to a weight ratio of 1:6, then adding sodium carboxymethyl cellulose accounting for 5% of the total amount of the yttrium oxide and sodium phenolsulfonate accounting for 5%, and stirring fully to obtain an yttrium oxide additive;
s03: adding the yttrium oxide additive into the S01 product according to the weight ratio of 1:3, stirring fully, washing with water, and drying to obtain the modified bentonite synergistic yttrium oxide regulator.
The mass fraction of the hydrochloric acid solution of this example was 10%.
The mass fraction of the sodium alginate solution of this example was 15%.
The preparation method of the modified treatment liquid in the embodiment comprises the following steps:
s11: adding chitosan into deionized water according to a weight ratio of 1:5, adding a phosphoric acid buffer solution accounting for 5% of the total chitosan, and uniformly stirring to obtain a chitosan blending solution;
s12: adding 3 parts of acetaminophen into 15 parts of ethanol solvent, then adding 4 parts of chitosan blending solution, and uniformly stirring;
s13: the ceric oxide is sent to 320 ℃ for thermal activation for 10min, and then cooled to room temperature;
s14: and (3) adding the cerium oxide product of the step (S13) into the step (S12), and stirring fully to obtain the modified treatment liquid.
The pH of the phosphate buffer solution of this example was 5.5.
The cerium oxide product of S13 in S14 of this example was formulated by adding to S12 in a weight ratio of 1:6.
The preparation method of the radiation-proof tungsten alloy material comprises the following steps:
and (3) uniformly stirring and mixing tungsten powder and a modified bentonite synergistic yttrium oxide regulator, then adding the mixture into a modified treatment liquid, stirring fully, washing with water, drying, and then carrying out hot-pressing treatment, thereby obtaining the modified yttrium oxide composite material.
The autoclave treatment temperature in this example was 1240℃and treatment time was 2 hours and treatment pressure was 20MPa.
The invention also provides application of the radiation-proof tungsten alloy material in preparing a radiation-proof appliance.
Example 3.
The radiation-proof tungsten alloy material comprises tungsten powder, a modified bentonite synergistic yttrium oxide regulator and a modified treatment fluid, wherein the tungsten powder, the modified bentonite synergistic yttrium oxide regulator and the modified treatment fluid are in a weight ratio of 30:2: 14.5.
The preparation method of the modified bentonite synergistic yttrium oxide regulator of the embodiment comprises the following steps:
s01: adding bentonite into hydrochloric acid solution according to a weight ratio of 1:5, then adding a silane coupling agent accounting for 7.5% of the total bentonite and 3% of sodium dodecyl sulfate, and stirring fully to obtain bentonite liquid;
s02: adding yttrium oxide into a sodium alginate solution according to a weight ratio of 1:6, then adding sodium carboxymethyl cellulose accounting for 3.5% of the total amount of the yttrium oxide and sodium phenolsulfonate accounting for 3%, and stirring fully to obtain an yttrium oxide additive;
s03: adding the yttrium oxide additive into the S01 product according to the weight ratio of 1:3, stirring fully, washing with water, and drying to obtain the modified bentonite synergistic yttrium oxide regulator.
The mass fraction of the hydrochloric acid solution of this example was 7.5%.
The mass fraction of the sodium alginate solution of this example was 12.5%.
The preparation method of the modified treatment liquid in the embodiment comprises the following steps:
s11: adding chitosan into deionized water according to a weight ratio of 1:5, adding a phosphoric acid buffer solution accounting for 3.5% of the total chitosan, and uniformly stirring to obtain a chitosan blending solution;
s12: adding 2.5 parts of acetaminophen into 12.5 parts of ethanol solvent, then adding 2.5 parts of chitosan blending solution, and uniformly stirring;
s13: the ceria is sent to 315 ℃ for thermal activation for 7.5min, and then cooled to room temperature;
s14: and (3) adding the cerium oxide product of the step (S13) into the step (S12), and stirring fully to obtain the modified treatment liquid.
The pH of the phosphate buffer solution of this example was 5.5.
The cerium oxide product of S13 in S14 of this example was formulated by adding to S12 in a weight ratio of 1:6.
The preparation method of the radiation-proof tungsten alloy material comprises the following steps:
and (3) uniformly stirring and mixing tungsten powder and a modified bentonite synergistic yttrium oxide regulator, then adding the mixture into a modified treatment liquid, stirring fully, washing with water, drying, and then carrying out hot-pressing treatment, thereby obtaining the modified yttrium oxide composite material.
The autoclave treatment temperature in this example was 1230℃and treatment time was 1.5 hours and treatment pressure was 15MPa.
The invention also provides application of the radiation-proof tungsten alloy material in preparing a radiation-proof appliance.
Comparative example 1.
The difference from example 3 is that no modified bentonite synergistic yttria modifier is added.
Comparative example 2.
The difference from example 3 is that no yttria additive was added in the preparation of the modified bentonite synergistic yttria modifier.
Comparative example 3.
The difference from example 3 is that no sodium phenolsulfonate was added in the preparation of the yttria additive.
Comparative example 4.
The difference from example 3 is that sodium dodecyl sulfate is not added in the preparation of the bentonite synergistic yttrium oxide regulator.
Comparative example 5.
The difference from example 3 is that no modification treatment liquid was used.
Comparative example 6.
The difference from example 3 is that the chitosan preparation liquid is not added in the preparation of the treatment modification liquid.
The performance tests of the products of examples 1-3 and comparative examples 1-6 were as follows:
from examples 1 to 3 and comparative examples 1 to 6, it can be seen that the product of example 3 of the present invention has excellent impact toughness, electromagnetic wave shielding effectiveness, and product performance is improved in coordination with each other, while still having excellent performance stability under alkaline environment;
from comparative examples 1 to 4, the performance of the product is obviously deteriorated without adding the modified bentonite synergistic yttrium oxide regulator, meanwhile, the yttrium oxide additive is not added in the preparation of the modified bentonite synergistic yttrium oxide regulator, sodium phenolsulfonate is not added in the preparation of the yttrium oxide additive, the performance of the product is in a trend of deterioration, and the performance improvement effect of the product is obvious by adopting other methods which are not as good as the modified bentonite synergistic yttrium oxide regulator prepared by the method of the invention;
in addition, the modified treatment liquid is not adopted for treatment, the chitosan blending liquid is not added in the preparation of the modified treatment liquid, the performance of the product is uniformly deteriorated, and the modified treatment liquid prepared by the method disclosed by the invention is matched with the modified bentonite to coordinate with the yttrium oxide regulator, so that the stability of the performance of the product is obviously improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The radiation-proof tungsten alloy material is characterized by comprising tungsten powder, a modified bentonite synergistic yttrium oxide regulator and a modified treatment fluid, wherein the tungsten powder, the modified bentonite synergistic yttrium oxide regulator and the modified treatment fluid are mixed according to the weight ratio of (28-31): (13-16) and is prepared by proportioning.
2. The radiation-proof tungsten alloy material according to claim 1, wherein the preparation method of the modified bentonite synergistic yttrium oxide regulator is as follows:
s01: adding bentonite into hydrochloric acid solution according to a weight ratio of 1:5, then adding a silane coupling agent accounting for 5-10% of the total bentonite and sodium dodecyl sulfate accounting for 1-5%, and stirring fully to obtain bentonite liquid;
s02: adding yttrium oxide into a sodium alginate solution according to a weight ratio of 1:6, then adding sodium carboxymethyl cellulose accounting for 2-5% of the total amount of the yttrium oxide and sodium phenolsulfonate accounting for 1-5%, and stirring fully to obtain an yttrium oxide additive;
s03: adding the yttrium oxide additive into the S01 product according to the weight ratio of 1:3, stirring fully, washing with water, and drying to obtain the modified bentonite synergistic yttrium oxide regulator.
3. The radiation-proof tungsten alloy material according to claim 2, wherein the mass fraction of the hydrochloric acid solution is 5-10%.
4. The radiation-proof tungsten alloy material according to claim 2, wherein the mass fraction of the sodium alginate solution is 10-15%.
5. The radiation-proof tungsten alloy material according to claim 1, wherein the preparation method of the modification treatment fluid is as follows:
s11: adding chitosan into deionized water according to a weight ratio of 1:5, adding a phosphoric acid buffer solution accounting for 2-5% of the total chitosan, and uniformly stirring to obtain a chitosan blending solution;
s12: adding 2-3 parts of acetaminophen into 10-15 parts of ethanol solvent, then adding 1-4 parts of chitosan blending liquid, and uniformly stirring;
s13: delivering the cerium oxide into a reactor at 310-320 ℃ for thermal activation for 5-10min, and then cooling to room temperature;
s14: and (3) adding the cerium oxide product of the step (S13) into the step (S12), and stirring fully to obtain the modified treatment liquid.
6. The radiation resistant tungsten alloy material according to claim 5 wherein said phosphate buffer solution has a pH of 5.5.
7. The radiation-proof tungsten alloy material according to claim 5, wherein the cerium oxide product of S13 in S14 is added into S12 to be prepared according to a weight ratio of 1:6.
8. The radiation-proof tungsten alloy material according to claim 1, wherein the preparation method of the radiation-proof tungsten alloy material comprises the following steps:
and (3) uniformly stirring and mixing tungsten powder and a modified bentonite synergistic yttrium oxide regulator, then adding the mixture into a modified treatment liquid, stirring fully, washing with water, drying, and then carrying out hot-pressing treatment, thereby obtaining the modified yttrium oxide composite material.
9. The radiation protection tungsten alloy material according to claim 8, wherein the hot pressing treatment is performed at a temperature of 1210-1240 ℃ for 1-2 hours under a treatment pressure of 10-20MPa.
10. Use of a radiation protective tungsten alloy material according to any one of claims 1 to 9 for the manufacture of a radiation protective device.
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| CN117165219B (en) * | 2023-09-26 | 2024-03-22 | 武汉华林新材料有限公司 | Preparation method of nano silicon dioxide modified starch adhesive |
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