A kind of steel-bonded hard alloy and its preparation method and application
A technology of steel-bonded hard alloy and mass percentage content, which is applied in the field of steel-bonded hard alloy and its preparation, can solve the problems of performance change and easy cracking, and achieve good impact resistance, wear resistance, and mechanical properties The effect of high stability and excellent thermal stability
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Embodiment 1
[0028] A steel-bonded cemented carbide, calculated by mass percentage, including each component with a mesh number of 60 to 100, specifically 35% titanium carbide, 40% reduced iron powder, 5% reduced molybdenum powder, and 3 reduced nickel powder. %, manganese powder 12%, chromium powder 2%, ferrovanadium powder 2%, ferroniobium powder 1%.
[0029] The preparation method is:
[0030] (1) Wet grinding: Weigh 150kg of titanium carbide, reduced iron powder, reduced molybdenum powder, reduced nickel powder, manganese powder, chromium powder, ferrovanadium powder and ferroniobium powder in a ball mill, and then add 120kg of anhydrous ethanol As a wet grinding agent, wet grinding in a ball mill for 20h;
[0031] (2) Press molding: discharge the wet grinding material from the ball mill, then dry the wet grinding agent, add a molding agent whose mass ratio is 1 / 5, and mix and stir evenly. The molding agent is nitrile rubber. Gasoline solution, in which the mass fraction of nitrile r...
Embodiment 2
[0034] A steel-bonded cemented carbide, calculated by mass percentage, including each component with a mesh number of 100 to 150, specifically titanium carbide 38%, reduced iron powder 42%, reduced molybdenum powder 5%, reduced nickel powder 1 % %, manganese powder 10%, chromium powder 1%, ferrovanadium powder 0%, ferroniobium powder 3%.
[0035] Its preparation method is:
[0036] (1) Wet grinding: Weigh 150kg of titanium carbide, reduced iron powder, reduced molybdenum powder, reduced nickel powder, manganese powder, chromium powder, ferrovanadium powder and ferroniobium powder in a ball mill, and then add 120kg of anhydrous ethanol As a wet grinding agent, wet grinding in a ball mill for 19 hours;
[0037] (2) Press molding: discharge the wet grinding material from the ball mill, then dry the wet grinding agent, add a molding agent whose mass ratio is 1 / 6, and mix and stir evenly. The molding agent is nitrile rubber. Gasoline solution, in which the mass fraction of nitril...
Embodiment 3
[0040] A steel-bonded cemented carbide, calculated by mass percentage, including each component with a mesh number of 150 to 200, specifically titanium carbide 40%, reduced iron powder 40%, reduced molybdenum powder 2%, reduced nickel powder 3% %, manganese powder 10%, chromium powder 1%, ferrovanadium powder 2%, ferroniobium powder 2%.
[0041] Its preparation method is:
[0042] (1) Wet grinding: Weigh 150kg of titanium carbide, reduced iron powder, reduced molybdenum powder, reduced nickel powder, manganese powder, chromium powder, ferrovanadium powder and ferroniobium powder in a ball mill, and then add 120kg of anhydrous ethanol As a wet grinding agent, wet grinding in a ball mill for 18h;
[0043] (2) Press molding: discharge the wet-milled material from the ball mill, then dry and remove the wet-grinding agent, add a molding agent with a mass ratio of 1 / 10, and mix and stir evenly. The molding agent is nitrile rubber. Gasoline solution, in which the mass fraction of n...
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