Low-activity vitreous barrier layer capable of preventing hydrogen or hydrogen isotopic from permeation and preparation thereof
A hydrogen isotope and vitreous technology, applied in the field of surface functional coatings, can solve the problems such as the barrier effect affecting the hydrogen barrier of the coating and its isotope permeation, the coating preparation process and equipment requirements are high, and it is unfavorable for mass production, etc. Achieve the effect of reducing harmful ray release, deterioration of mechanical properties, and excellent thermal shock resistance
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Example Embodiment
[0024] Example 1
[0025] The sample TA1 board has a size of 30mm×20mm×3mm; the composition of TE90-2 glass powder used in the glass coating is as follows in weight percentage:
[0026] 57.5 SiO 2
[0027] 3.54 TiO 2
[0028] 15.95 Na 2 O, K 2 O, Na 3 AlF 6 , The ratio of the three is about 2:2:1
[0029] 11.46 ZrO 2 , ZnO, the ratio of the two is about 4:1
[0030] The balance ratio of CaO, MgO, and SrO is about 6:4:5.
[0031] The formula of the glass powder prepared according to the above ingredients, water, binder and flux, etc. in parts by weight is as follows:
[0032] 100 parts glass powder
[0033] 3 parts kaolin
[0034] 3.5 parts of strontium carbonate and sodium nitrite, the ratio of the two is about 10:1
[0035] 1.0 part of sodium dodecylbenzenesulfonate, CMC and n-octanol, the ratio of the three is about
[0036] 5:3:2
[0037] 100 parts of water
[0038] The slurry is made by ball milling and mixing, and then a powder coating is prepared on the chamfere...
Example Embodiment
[0039] Example 2
[0040] The sample TC4 board has a size of 30mm×20mm×3mm; the composition of TE89-7 glass powder used in the glass coating is as follows in weight percentage:
[0041] 60.86 SiO 2
[0042] 6.15 TiO 2
[0043] 14.66 Na 2 O, Na 3 AlF 6 , The ratio of the two is about 4:1
[0044] 5.67 ZrO 2
[0045] The balance of CaO, MgO, SrO, the ratio of the three is about 3:4:6.
[0046] The formula of the glass powder prepared according to the above ingredients, water, binder and flux, etc. in parts by weight is as follows:
[0047]100 parts glass powder
[0048] 3 parts kaolin
[0049] 3.5 parts of strontium carbonate and sodium nitrite, the ratio of the two is about 10:1
[0050] 1.0 part of sodium dodecylbenzenesulfonate, CMC and n-butanol, the ratio of the three is about
[0051] 5:3:2
[0052] 100 parts of water
[0053] The slurry is made by ball milling and mixing, and then a powder coating is prepared on the chamfered and surface-treated titanium or titani...
Example Embodiment
[0054] Example 3
[0055] The sample is low-activity martensitic steel (CLAM) with a size of 30mm×20mm×3mm; the composition of the SSE107-4 type glass powder used in the glass coating is as follows:
[0056] 56.9 SiO 2
[0057] 9.88 Cr 2 O 3 , WO 3 , The ratio of the two is about 2:1
[0058] 20 Na 2 O, K 2 O, Na 3 AlF 6 , The ratio of the three is about 4:2:1
[0059] 5.86 ZrO 2 , ZnO, the ratio of the two is about 3:2
[0060] The balance of MgO and SrO is about 3:2.
[0061] The formula of the glass powder, water, binder and flux, etc. by weight, prepared according to the above ingredients:
[0062] 100 parts glass powder
[0063] 3 parts kaolin
[0064] 3.5 parts of strontium carbonate and sodium nitrite, the ratio of the two is about 10:1
[0065] 1 part of sodium polyacrylate, n-octanol and sodium lauryl benzene sulfonate, the three
[0066] The ratio is about 3:2:5
[0067] 100 parts of water
[0068] The slurry is made by ball milling and mixing, and then a powd...
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