Drill rod joint wearproof belt and preparation method thereof
A technology for drill pipe joints and wear-resistant bands, which is applied to drill pipes, drilling equipment, drill pipes, etc., can solve the problems of poor wear resistance of the joint surface and short service life, and achieve extended service life, high controllability, and avoid Shedding effect
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Embodiment 1
[0050] Carry out derusting, degreasing and deoxidizing treatment on the base body of 35CrMo drill pipe joints, use corundum with a particle size of 250-800 μm for sandblasting and roughening treatment, and then use acetone with a purity of 99.5% to ultrasonically clean and dry; sandblasting and roughening process The process parameters in are: pressure 0.1MPa, time 25s, distance 40mm;
[0051] Melt and mix Cr powder, Mo powder, B powder, Y powder, C powder and Fe powder at 1400°C to obtain a fluid; the fluid is gas atomized and crushed under the conditions of a pressure of 4MPa and a vacuum of 0.133Pa Condensation to obtain Fe-based amorphous alloy powder raw materials with a particle size of 2 to 30 μm; the Fe-based amorphous alloy (FeCrMoBYC) powder with a particle size of 2 to 30 μm is used as the first powder, and the composition of the FeCrMoBYC powder is:
[0052] Cr: 13.0 wt%; Mo: 25.0 wt%; B: 1.0 wt%; Y: 3.0 wt%; C: 3.0 wt%;
[0053] Mix 95wt% of the above-mentioned F...
Embodiment 2
[0057] Carry out derusting, degreasing and deoxidizing treatment on the base body of 35CrMo drill pipe joints, use corundum with a particle size of 250-800 μm for sandblasting and roughening treatment, and then use acetone with a purity of 99.5% to ultrasonically clean and dry; sandblasting and roughening process The process parameters in are: pressure 0.1MPa, time 50s, distance 40mm;
[0058] Melt and mix Cr powder, Mo powder, B powder, Y powder, C powder and Fe powder at 1400°C to obtain a fluid; the fluid is gas atomized and crushed under the conditions of a pressure of 4MPa and a vacuum of 0.133Pa Condensation to obtain Fe-based amorphous alloy powder raw materials with a particle size of 2 to 30 μm; the Fe-based amorphous alloy (FeCrMoBYC) powder with a particle size of 2 to 30 μm is used as the first powder, and the composition of the FeCrMoBYC powder is:
[0059] Cr: 14.0 wt%; Mo: 26.0 wt%; B: 1.5 wt%; Y: 3.5 wt%; C: 3.5 wt%;
[0060] Mix 95wt% of the above-mentioned F...
Embodiment 3
[0064] Carry out derusting, degreasing and deoxidizing treatment on the base body of 35CrMo drill pipe joints, use corundum with a particle size of 250-800 μm for sandblasting and roughening treatment, and then use acetone with a purity of 99.5% to ultrasonically clean and dry; sandblasting and roughening process The process parameters in are: pressure 0.1MPa, time 50s, distance 50mm;
[0065] Melt and mix Cr powder, Mo powder, B powder, Y powder, C powder and Fe powder at 1400°C to obtain a fluid; the fluid is gas atomized and crushed under the conditions of a pressure of 4MPa and a vacuum of 0.133Pa Condensation to obtain Fe-based amorphous alloy powder raw materials with a particle size of 2 to 30 μm; the Fe-based amorphous alloy (FeCrMoBYC) powder with a particle size of 2 to 30 μm is used as the first powder, and the composition of the FeCrMoBYC powder is:
[0066] Cr: 15.0wt%; Mo: 27.0wt%; B: 2wt%; Y: 5wt%; C: 5wt%;
[0067]Mix 95wt% of the above-mentioned FeCrMoBYC pow...
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