CN101274818A - Low-activity vitreous barrier layer capable of preventing hydrogen or hydrogen isotopic from permeation and preparation thereof - Google Patents
Low-activity vitreous barrier layer capable of preventing hydrogen or hydrogen isotopic from permeation and preparation thereof Download PDFInfo
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- CN101274818A CN101274818A CNA2008100248497A CN200810024849A CN101274818A CN 101274818 A CN101274818 A CN 101274818A CN A2008100248497 A CNA2008100248497 A CN A2008100248497A CN 200810024849 A CN200810024849 A CN 200810024849A CN 101274818 A CN101274818 A CN 101274818A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000001257 hydrogen Substances 0.000 title claims abstract description 38
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 38
- 230000004888 barrier function Effects 0.000 title claims abstract description 26
- 230000000694 effects Effects 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 230000000155 isotopic effect Effects 0.000 title description 7
- 238000000576 coating method Methods 0.000 claims abstract description 37
- 239000011248 coating agent Substances 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 35
- 239000011521 glass Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000011734 sodium Substances 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 12
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 8
- 230000008595 infiltration Effects 0.000 claims description 8
- 238000001764 infiltration Methods 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- KWKXNDCHNDYVRT-UHFFFAOYSA-N dodecylbenzene Chemical compound CCCCCCCCCCCCC1=CC=CC=C1 KWKXNDCHNDYVRT-UHFFFAOYSA-N 0.000 claims description 6
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 claims description 6
- 239000010977 jade Substances 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- 235000010288 sodium nitrite Nutrition 0.000 claims description 6
- 229910000018 strontium carbonate Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 229910000734 martensite Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 3
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- GBCAVSYHPPARHX-UHFFFAOYSA-M n'-cyclohexyl-n-[2-(4-methylmorpholin-4-ium-4-yl)ethyl]methanediimine;4-methylbenzenesulfonate Chemical compound CC1=CC=C(S([O-])(=O)=O)C=C1.C1CCCCC1N=C=NCC[N+]1(C)CCOCC1 GBCAVSYHPPARHX-UHFFFAOYSA-M 0.000 claims description 2
- 125000000914 phenoxymethylpenicillanyl group Chemical group CC1(S[C@H]2N([C@H]1C(=O)*)C([C@H]2NC(COC2=CC=CC=C2)=O)=O)C 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 230000006866 deterioration Effects 0.000 abstract 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 2
- 230000035515 penetration Effects 0.000 abstract 2
- 230000000452 restraining effect Effects 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 229910001610 cryolite Inorganic materials 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten(VI) oxide Inorganic materials O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 20
- 239000007769 metal material Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 7
- 230000006378 damage Effects 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000012466 permeate Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
Landscapes
- Glass Compositions (AREA)
Abstract
The invention relates to a low activity glass barrier layer for restraining the penetration of hydrogen or hydrogen isotopes and a preparation method thereof, pertaining to the technique of functional coating on metal surfaces. The glass barrier layer is characterized in that: the surface of a metal substrate is fixedly coated with the glass barrier layer of 50 to 180 Mum; the mismatch degree between the linear thermal expansion coefficient of glass powder and the metal substrate is smaller than 5 percent; components by weight percentage are one of or a plurality of 56 to 61 percent of SiO2, 3 to 10 percent of Cr2O3, TiO2 and WO3, one of or a plurality of 13 to 20 percent of Na2O, K2O and Na3AlF6, one of or a plurality of 5-12 percent of ZrO2 and ZnO, and one of or a plurality of the left percent of Cao, MgO and SrO. The preparation method of the invention has the advantages of being simple and easy for operation with low cost, being applicable to industrialized production, having extremely small mismatch degree of thermal expansion and good combination, preventing the deterioration of mechanical capacity of materials and deterioration of working environment and waste of resources by effectively restraining the penetration of the hydrogen or the hydrogen isotopes to the metal substrate, reducing the absorption of neutrons and the release of harmful rays after nuclear radiation when the coating is in use and enhancing the use temperature of the coating.
Description
Technical field:
The present invention relates to the function of surface coating technology, a kind of prevention hydrogen isotope infiltration of structural metallic materials and top coat technology of thermal etching of being used for is provided especially.
Background technology:
In thermonuclear weapon and controllable thermonuclear reaction heap technology, hydrogen and isotropic substance thereof are main fuels the most, in military nuclear technique and fusion energy resource field critical role are arranged.Hydrogen also is one of of paramount importance green energy resource simultaneously, and the material of its transportation and storage and technology are also most important for a large amount of uses of this green energy resource.And hydrogen and isotropic substance thereof have strong perviousness in most of metallic substance, hydrogen and radioisotopic leakage thereof not only will cause the fuel charging capacity to increase, cause serious economy loss, and environment caused radiocontamination, personnel under this environment cause serious personal injury for long term operation, hydrogen embrittlement very easily takes place in the structural metallic materials of long service under high concentration of hydrogen and isotopic severe environment thereof simultaneously, and the mechanical property that causes material worsens, and causes immeasurable serious consequence.Therefore, fusion reactor structured material and hydrogen and isotopic transportation thereof and storage must have alap hydrogen and isotopic rate of permeation thereof with structured material.Hydrogen and isotropic substance thereof rate of permeation in most of stupaliths is very low, but the fragility and the non-compactness of pottery have limited its application.Therefore, generally acknowledge solution in the world, guaranteeing that material structure performance ground is suppressing hydrogen and isotopic infiltration thereof simultaneously what structural metallic materials surface preparation pottery anti-tritium diffusion layer had become this problem.
Study more ceramic barrier layer such as Al now
2O
3, Cr
2O
3, TiO
2, the subject matter that exists of TiC, TiN, SiC and their compound coating is that thermal expansivity (TEC) exists big mismatch with matrix, after being subjected to certain thermal shocking, produce bigger thermal stresses between coating and the matrix, and be easy to cause that coating separates with matrix, influence the resistance hydrogen of coating and the wall effect of isotopic osmosis thereof.And the preparation technology of partial coating and equipment requirements are higher, and production cost is higher, unfavorable with realize producing in enormous quantities.And seek a kind of can be good with matrix bond, the preparation technology that coefficient of thermal expansion mismatch is little is simple, novel hydrogen and isotopic osmosis barrier layer thereof with low cost have important science and practical significance.
Low activity glassiness barrier layer is except that the performance of the many excellences with traditional ceramics coating, as high temperature resistance and chemical corrosion resistance, wear resistance and decorate properties, the characteristics that low activity glassiness barrier layer is the most outstanding are that used component is the elementary composition compound of low activity, the release of harm ray behind neutron absorption when coating is used in reactor and the nuclear radiation; It is adjustable that coating has composition in addition; it can be according to application prospect, performance requriements and the basic material of coating different; adjust the chemical constitution of coating by composition design, preparation is good with matrix bond to reach, the good protective layer that satisfies service requirements of thermal shock resistance of matched coefficients of thermal expansion.And the preparation technology of coating is simple, with low cost, is suitable for the workpiece of different shape, possesses the background that quite sophisticated large-scale industrialization is produced again.Existing patent also mainly is at high temperature resistance and chemical corrosion and surface decoration, as 98114349.0,02109842.5,200510046720.2,200510046367.8,200510046363.X and patents such as 96102719.3.Three patents (200710191961.5 of having applied for, 200710191962.X, 200710191963.4) all comprise B, Mo, Co isoreactivity element, neutron when coating is used in reactor absorb and nuclear radiation after the release of harm ray stronger, the while use temperature of coating is not high yet.
Summary of the invention:
The objective of the invention is to defective at prior art provide a kind of can reduce coating and in reactor, use the time neutron absorb and nuclear radiation after the release of harm ray, the structural metallic materials that also can improve the coating use temperature simultaneously permeates the glass barrier layer with low activity resistance hydrogen or hydrogen isotope, and preparing with matrix bond well by simple process cheaply, the little structural metallic materials of coefficient of thermal expansion mismatch is with the glassiness barrier layer of novel resistance hydrogen or hydrogen isotope infiltration.
The invention provides a kind of structural metallic materials with low activity resistance hydrogen or hydrogen isotope infiltration glassiness barrier layer, it is characterized in that: this glassiness barrier layer is to make by glass powder and mill addition are mixed and made into glaze slip, is made up of following by weight:
100 parts glass powder,
The kaolin of 3-6 part,
Strontium carbonate powder of 2-5 part and Sodium Nitrite one or both, its proportioning is about 10: 1,
0.1-1 part dodecylbenzene semi-annular jade pendant acid sodium and CMC, PVA, sodium polyacrylate in a kind of, and
A kind of in n-Octanol, the propyl carbinol, its proportioning is about 5: 3: 2,
Water of 80-110 part or dehydrated alcohol.
The thermal linear expansion coefficient of used glass powder and metallic matrix mismatch degree are less than 5%, and the basic content of composition is as follows by weight percentage:
56-61 SiO
2
3-10 Cr
2O
3, TiO
2, WO
3In a kind of, or three kinds, three's proportioning is about
0-2∶0-1∶0-1，
13-20 Na
2O, K
2O, Na
3AlF
6In a kind of, or three kinds, three's proportioning is about
2-4∶0-2∶1，
5-12 ZrO
2, among the ZnO one or both, the two proportioning is about 3-5: 0-2
One kind of surplus CaO, MgO, SrO, or three kinds, three's proportioning is about 3-6: 3-5: 2-5.
Structural metallic materials of the present invention permeates the preparation method of glassiness barrier layer with low activity resistance hydrogen or hydrogen isotope, it is characterized in that: glass powder and mill addition are carried out ball milling be mixed and made into glaze slip, by filming technology glaze slip is coated in low activity martensite steel or stainless steel or titanium or titanium alloy-based surface and makes powder coating, fuse 15-30min in the air furnace under the dried 900-1100 of placing of powder coating ℃, air cooling finally makes the thick glassiness barrier layer of 50-180 μ m at metal base surface to room temperature.
Structural metallic materials of the present invention permeates glassiness barrier layer with low activity resistance hydrogen or hydrogen isotope, it is characterized in that: glassiness barrier layer and low activity martensite steel or stainless steel or structural metallic materials matrix bond such as titanium or titanium alloy are good, be Chemical bond, the thermal linear expansion coefficient of used glass powder and metallic matrix mismatch degree be less than 5%, the thermal shock resistance excellence.
Glassiness barrier layer of the present invention with respect to other hydrogen isotope infiltration barrier layer not only preparation technology simple, with low cost, burn till in air and finish, be suitable for suitability for industrialized production, and can stop hydrogen or hydrogen isotope and oxygen etc. to be penetrated into low activity martensitic steel, stainless steel and structural metallic materials matrixes such as titanium or titanium alloy effectively, and cause that material mechanical performance worsens, Working environment worsens and the wasting of resources, reduced coating in use neutron absorb and nuclear radiation after harm ray release, improved the use temperature of coating.
Embodiment:
Example 1
Sample TA1 plate is of a size of 30mm * 20mm * 3mm; The composition of the used TE90-2 type of glass coating glass powder is as follows by weight percentage:
57.5 SiO
2
3.54 TiO
2
15.95 Na
2O, K
2O, Na
3AlF
6, three's proportioning is about 2: 2: 1
11.46 ZrO
2, ZnO, both proportionings are about 4: 1
Surplus CaO, MgO, SrO three's proportioning is about 6: 4: 5.
Will be as follows according to glass powder and mill addition prescriptions by weight such as water, binding agent and fusing assistant that above composition makes:
100 parts glass powder
3 parts kaolin
3.5 the Strontium carbonate powder and the Sodium Nitrite of part, both proportionings are about 10: 1
1.0 the dodecylbenzene semi-annular jade pendant acid of part is received, CMC and n-Octanol, and three's proportioning is about
5∶3∶2
100 parts water
Carry out ball milling and be mixed and made into slurry, preparing powder coating by simple filming technology through chamfering and surface-treated titanium or titanium alloy surface then, sintering 30min in the muffle furnace of back 950 ℃ under, the taking-up air cooling is to room temperature.And carry out the glassiness barrier layer that twice same operation makes 100 micron thickness.
Example 2
Sample TC4 plate is of a size of 30mm * 20mm * 3mm; The composition of the used TE89-7 type of glass coating glass powder is as follows by weight percentage:
60.86 SiO
2
6.15 TiO
2
14.66 Na
2O, Na
3AlF
6, both are about 4: 1 at proportioning
5.67 ZrO
2
Surplus CaO, MgO, SrO, three's proportioning is about 3: 4: 6.
Will be as follows according to glass powder and mill addition prescriptions by weight such as water, binding agent and fusing assistant that above composition makes:
100 parts glass powder
3 parts kaolin
3.5 the Strontium carbonate powder and the Sodium Nitrite of part, both proportionings are about 10: 1
1.0 the dodecylbenzene semi-annular jade pendant acid of part is received, CMC and propyl carbinol, and three's proportioning is approximately
It is 5: 3: 2
100 parts water
Carry out ball milling and be mixed and made into slurry, preparing powder coating by simple filming technology through chamfering and surface-treated titanium or titanium alloy surface then, sintering 30min in the muffle furnace of back 970 ℃ under, the taking-up air cooling is to room temperature.And carry out three same operations and make 180 microns glassiness barrier layer.
Example 3
Sample is low activity martensitic steel (CLAM), is of a size of 30mm * 20mm * 3mm; The composition of the used SSE107-4 type of glass coating glass powder is as follows by weight percentage:
56.9 SiO
2
9.88 Cr
2O
3, WO
3, both are about 2: 1 at proportioning
20 Na
2O, K
2O, Na
3AlF
6, three's proportioning is about 4: 2: 1
5.86 ZrO
2, ZnO, both are about 3: 2 at proportioning
Surplus MgO, SrO, both are about 3: 2 at proportioning.
The glass powder and the mill addition prescriptions by weight such as water, binding agent and fusing assistant that will make according to above composition are:
100 parts glass powder
3 parts kaolin
3.5 part Strontium carbonate powder and Sodium Nitrite, both proportionings are about 10: 1
1 part sodium polyacrylate, n-Octanol and dodecylbenzene semi-annular jade pendant acid sodium, the three joins
Than being about 3: 2: 5
100 parts water
Carry out ball milling and be mixed and made into slurry, preparing powder coating by simple filming technology through chamfering and surface-treated titanium or titanium alloy surface then, sintering 30min in the muffle furnace of back under 970 ℃ takes out air cooling to room temperature, makes the glassiness barrier layer of 50 micron thickness.
Example 4
Sample TA1 plate is of a size of 30mm * 20mm * 3mm; The composition of the used TE89-8 type of glass coating glass powder is as follows by weight percentage:
60.7 SiO
2
3.74 TiO
2
14.85 Na
2O, Na
3AlF
6, both are about 4: 1 at proportioning
8.26 ZrO
2, ZnO, both are about 5: 2 at proportioning
Surplus CaO, MgO, SrO, three's proportioning is about 3: 5: 5.
The glass powder and the mill addition prescriptions by weight such as water, binding agent and fusing assistant that will make according to above composition are:
100 parts glass powder
6 parts kaolin
3.5 the Strontium carbonate powder and the Sodium Nitrite of part, both proportionings are about 10: 1
0.5 the dodecylbenzene semi-annular jade pendant of part acid sodium
100 parts dehydrated alcohol
Carry out ball milling and be mixed and made into slurry, preparing powder coating by simple filming technology through chamfering and surface-treated titanium or titanium alloy surface then, sintering 30min in the muffle furnace of back 970 ℃ under, the taking-up air cooling is to room temperature.And carrying out twice same operation, to make thickness be 100 microns glassiness barrier layer.
By the made glass coating surfacing of above example, dense structure, thickness is 50-180 μ m, detection draws coating and matrix mortise with fall sphere test through the interface microstructure of coating and matrix is analyzed, and 550 ℃ of following shrends, cycling hot is impacted 50 coatings does not have cracking phenomena to occur.
Claims (2)
1, a kind of low activity resistance hydrogen or hydrogen isotope infiltration glassiness barrier layer is characterized in that: be made up of following by weight:
100 parts glass powder,
The kaolin of 3-6 part,
Strontium carbonate powder of 2-5 part and Sodium Nitrite one or both, its proportioning is about 10: 1,
0.1-1 part dodecylbenzene semi-annular jade pendant acid sodium and CMC, PVA, sodium polyacrylate in a kind of, and
A kind of in n-Octanol, the propyl carbinol, its proportioning is about 5: 3: 2,
Water of 80-110 part or dehydrated alcohol.
The thermal linear expansion coefficient of used glass powder and metallic matrix mismatch degree are less than 5%, and the basic content of composition is as follows by weight percentage:
56-61?SiO
2
3-10 Cr
2O
3, TiO
2, WO
3In a kind of, or three kinds, three's proportioning is about
0-2∶0-1∶0-1，
13-20 Na
2O, K
2O, Na
3AlF
6In a kind of, or three kinds, three's proportioning is about
2-4∶0-2∶1，
5-12 ZrO
2, among the ZnO one or both, the two proportioning is about 3-5: 0-2
One kind of surplus CaO, MgO, SrO, or three kinds, three's proportioning is about 3-6: 3-5: 2-5.
2, the preparation method of a kind of low activity resistance hydrogen as claimed in claim 1 or hydrogen isotope infiltration glassiness barrier layer, it is characterized in that: glass powder and mill addition are carried out ball milling be mixed and made into glaze slip, by filming technology glaze slip is coated in low activity martensite steel or stainless steel or titanium or titanium alloy-based surface and makes powder coating, the powder coating drying is placed in the air furnace under 900-1100 ℃ and fuses 15-30min, air cooling finally makes the thick glassiness barrier layer of 50-180 μ m at above-mentioned metal base surface to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100248497A CN101274818A (en) | 2008-05-08 | 2008-05-08 | Low-activity vitreous barrier layer capable of preventing hydrogen or hydrogen isotopic from permeation and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100248497A CN101274818A (en) | 2008-05-08 | 2008-05-08 | Low-activity vitreous barrier layer capable of preventing hydrogen or hydrogen isotopic from permeation and preparation thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101274818A true CN101274818A (en) | 2008-10-01 |
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|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3275850A1 (en) * | 2016-07-28 | 2018-01-31 | Tubacoat, S.L. | Ceramic composition and material comprising said ceramic composition as part of a heat recovery unit |
| CN108019569A (en) * | 2016-11-04 | 2018-05-11 | 王双喜 | A kind of glass undercoating composite metal pipe and its preparation process |
| CN110208311A (en) * | 2019-05-21 | 2019-09-06 | 四川大学 | Resistance tritium coating multi- scenarios method performance test methods and its test device based on accelerator ion irradiation |
| CN114920546A (en) * | 2022-05-06 | 2022-08-19 | 武汉理工大学 | High-entropy ceramic coating and preparation method and application thereof |
-
2008
- 2008-05-08 CN CNA2008100248497A patent/CN101274818A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3275850A1 (en) * | 2016-07-28 | 2018-01-31 | Tubacoat, S.L. | Ceramic composition and material comprising said ceramic composition as part of a heat recovery unit |
| WO2018019981A1 (en) * | 2016-07-28 | 2018-02-01 | Tubacoat, S.L. | Ceramic composition and material comprising said ceramic composition as part of a heat recovery unit |
| US20190161411A1 (en) * | 2016-07-28 | 2019-05-30 | Tubacoat, S.L. | Ceramic composition and material comprising said ceramic composition as part of a heat recovery unit |
| CN109843829A (en) * | 2016-07-28 | 2019-06-04 | 图巴科特有限公司 | The material comprising the ceramic composition of ceramic composition and a part as heat recovery units |
| JP2019531252A (en) * | 2016-07-28 | 2019-10-31 | トゥバコート，エセ．エレ． | Ceramic composition and material comprising said ceramic composition as part of a heat recovery unit |
| US10882792B2 (en) | 2016-07-28 | 2021-01-05 | Tubacoat, S.L. | Ceramic composition and material comprising said ceramic composition as part of a heat recovery unit |
| CN109843829B (en) * | 2016-07-28 | 2022-01-18 | 图巴科特有限公司 | Ceramic composition and material comprising the same as part of a heat recovery unit |
| CN108019569A (en) * | 2016-11-04 | 2018-05-11 | 王双喜 | A kind of glass undercoating composite metal pipe and its preparation process |
| CN110208311A (en) * | 2019-05-21 | 2019-09-06 | 四川大学 | Resistance tritium coating multi- scenarios method performance test methods and its test device based on accelerator ion irradiation |
| CN110208311B (en) * | 2019-05-21 | 2021-06-08 | 四川大学 | Tritium-resistant coating multi-field coupling performance test method and test device based on accelerator ion irradiation |
| CN114920546A (en) * | 2022-05-06 | 2022-08-19 | 武汉理工大学 | High-entropy ceramic coating and preparation method and application thereof |
| CN114920546B (en) * | 2022-05-06 | 2023-08-08 | 武汉理工大学 | High-entropy ceramic coating and preparation method and application thereof |
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