Preparation method of high temperature adhesive for nickel based alloy
A nickel-based alloy, high-temperature adhesive technology, applied in the direction of adhesives, adhesive additives, polymer adhesive additives, etc., can solve the problem of low use temperature, achieve high thermal expansion, reduce shrinkage holes, and continuous bonding interface. Effect
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Embodiment 1
[0029] The method for preparing a high-temperature adhesive suitable for nickel-based alloys provided in this example includes the following steps in order:
[0030] (1) Fully mix ultra-fine metal nickel powder, ultra-fine metal aluminum powder, ultra-fine boron carbide powder, ultra-fine low-temperature molten glass powder and high-activity copper oxide powder at a weight ratio of 3.8:2.5:1:1.9:1.7 to make a mixture of raw materials;
[0031] (2) Pour the above-mentioned raw material mixture into a ball mill jar, and ball mill it for 2 hours at a rotating speed of 2500r / min;
[0032] (3) Grind the bulk siloxane MK resin into powder, then dissolve the powdered siloxane MK resin in isopropanol, the weight ratio of siloxane MK resin to isopropanol is 1:1 , thus making a resin solution, and then using a magnetic stirring device to stir the resin solution until the viscosity reaches 1200mPa·s;
[0033] (4) Mix the raw material mixture obtained in step (2) after ball milling with...
Embodiment 2
[0036] (1) Fully mix ultra-fine metal nickel powder, ultra-fine metal aluminum powder, ultra-fine boron carbide powder, ultra-fine low-temperature molten glass powder and high-activity copper oxide powder in a weight ratio of 3.6:2.3:0.8:1.7:1.5 to make a mixture of raw materials;
[0037] (2) Pour the above-mentioned raw material mixture into a ball mill jar, and ball mill it for 2.5 hours at a rotating speed of 2000r / min;
[0038] (3) Grind the bulk siloxane MK resin into powder, then dissolve the powdered siloxane MK resin in isopropanol, the weight ratio of siloxane MK resin to isopropanol is 1:1 , thus making a resin solution, and then using a magnetic stirring device to stir the resin solution until the viscosity reaches 1200mPa·s;
[0039] (4) mix the raw material mixture after the ball milling obtained in step (2) with the resin solution prepared in step (3) according to the mass ratio of 0.83:1 and prepare a gel solution, manually stir for a moment, and then pour int...
Embodiment 3
[0042] (1) Fully mix ultra-fine metal nickel powder, ultra-fine metal aluminum powder, ultra-fine boron carbide powder, ultra-fine low-temperature molten glass powder and high-activity copper oxide powder in a weight ratio of 4.0:2.7:1.2:2.1:1.9 to make a mixture of raw materials;
[0043] (2) Pour the above-mentioned raw material mixture into a ball mill jar, and ball mill it for 3 hours at a rotating speed of 3000r / min;
[0044] (3) Grind the bulk siloxane MK resin into powder, then dissolve the powdered siloxane MK resin in isopropanol, the weight ratio of siloxane MK resin to isopropanol is 1:1 , thus making a resin solution, and then using a magnetic stirring device to stir the resin solution until the viscosity reaches 1200mPa·s;
[0045] (4) The raw material mixture obtained in step (2) after ball milling is mixed with the resin solution prepared in step (3) according to a mass ratio of 0.87:1 to prepare a gel solution, manually stirred for a moment, and then poured in...
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