Microcrystal glass coating applied to nickel based alloy surface and preparation method thereof
A technology of glass-ceramics and nickel-based alloys, applied in the field of protective coatings, can solve the problems of limited coating service life, complicated process, high raw material cost, etc., and achieve the effects of excellent protection performance, firm combination, and low cost
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Embodiment 1
[0031] (1) Take by electronic balance 30g silicon dioxide, 10g magnesium oxide, 25g aluminum oxide, 10g titanium dioxide, 15g boron oxide, 10g sodium carbonate, fully mix after grinding;
[0032] (2) Put the mixed raw materials in a corundum crucible, then put them into a muffle furnace, and raise the temperature to 1300°C at a heating rate of V=10°C / min to obtain a glass melt, and keep it warm for 90min;
[0033] (3) Pour the molten glass obtained in step (2) into a steel plate mold preheated to 500°C, immediately put it into a muffle furnace with a temperature of 500°C, and cool it to room temperature with the furnace to obtain a glass frit;
[0034] (4) Pulverize the glass frit obtained in step (3) to 60-100 mesh, pour it into a ball mill jar, add 15g of glass powder, 25g of deionized water and 50g of corundum balls, ball mill for 10 minutes, and the speed of the ball mill jar is 500 rpm / min, then add 1.5g nickel powder, and continue ball milling for 8 hours to obtain glas...
Embodiment 2
[0039] (1) Take by electronic balance 40g silicon dioxide, 15g magnesium oxide, 15g aluminum oxide, 10g titanium dioxide, 5g boron oxide, 15g sodium bicarbonate, fully mix after grinding;
[0040] (2) Put the mixed raw materials in a corundum crucible, then put it into a muffle furnace, heat up to 1500°C to obtain a glass melt, and keep it warm for 40 minutes;
[0041] (3) Pour the molten glass obtained in step (2) into a steel plate mold preheated to 600°C, and immediately put it into a muffle furnace with a temperature of 600°C, and cool the molten glass to room temperature with the furnace to obtain a molten glass Piece;
[0042] (4) Crush the glass frit obtained in step (3) to 60-100 mesh, pour it into a ball mill jar, add 20g of glass powder, 30g of deionized water and 70g of corundum balls, and ball mill for 30 minutes at a speed of 200 rpm / min, then add 0.5g nickel powder, and continue ball milling for 12 hours to obtain glass slurry, which is aged for later use;
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Embodiment 3
[0047] (1) Take by weighing 33g silicon dioxide, 10g magnesium oxide, 15g aluminum oxide, 12g titanium dioxide, 10g boron oxide, 20g sodium carbonate with electronic balance, fully mix after grinding;
[0048] (2) Put the mixed raw material in a corundum crucible, then put it into a muffle furnace, and raise the temperature to 1350°C at a heating rate of V=10°C / min to obtain a glass melt, and keep it warm for 60min;
[0049] (3) Pour the molten glass obtained in step (2) into a steel plate mold preheated to 550° C., immediately put it into a muffle furnace with a temperature of 550° C., and cool it to room temperature with the furnace to obtain a glass frit;
[0050] (4) The glass frit obtained in step (3) is crushed to 60-100 mesh, poured into a ball mill jar, and based on 100 parts by mass of glass frit, add 15 parts by mass of glass powder, 30 parts by mass of deionized water and 60 parts by mass of corundum balls were ball milled for 20 minutes, the rotating speed of the b...
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