Infiltration device and method for efficiently preparing diamond powder reinforced metal matrix composite material
A technology of diamond powder and composite materials, which is applied in the field of infiltration devices and the preparation of diamond powder-reinforced metal matrix composite materials, which can solve the problems of high cost and low efficiency, reduce costs, reduce energy consumption, and improve quality and stability Effect
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specific Embodiment approach 1
[0015] Embodiment 1: The infiltration device is composed of a melt part 1, an infiltration part 2 and a riser 11; the melt part 1 is used for smelting metal matrix melt, and the infiltration part 2 is used for diamond infiltration to obtain diamond / Metal composite material; a crucible 3 is arranged inside the melting part 1, a melting part heater 5 is arranged in the gap between the crucible 3 and the shell of the melting part 1, and a melting part is arranged on the shell of the melting part 1 The body part exhaust pipe 9 and the melt part inlet pipe 10; the impregnation part 2 is provided with an impregnation chamber 4, the mold 7 is arranged in the impregnation chamber 4, and the connection between the impregnation chamber 4 and the shell of the impregnation part 2 The impregnation part heater 6 is arranged in the gap between them, and the impregnation part 2 is provided with an impregnation part suction pipe 8; Composition, the outside of the liquid riser 11 is provided w...
specific Embodiment approach 2
[0017] Specific Embodiment 2: This Embodiment The method for efficiently preparing diamond powder-reinforced metal matrix composites in this embodiment is carried out by using an infiltration device. The specific steps are:
[0018] 1. Fill the diamond powder in the mold 7, close the filling port after filling and vibrating, and then place the mold 7 in the infiltration chamber 4; place the metal matrix in the crucible 3 inside the melt part 1;
[0019] 2. Use the suction pipe 8 of the impregnation part and the suction pipe 9 of the melt part to vacuumize the melt part 1 and the impregnation part 2 to an air pressure of ≤ 50 Pa, and raise the temperature of the impregnation chamber 4 to 30-30 Pa above the melting point of the metal matrix. 300°C and heat preservation, the crucible 3 is heated to 50-300°C above the melting point of the metal matrix and heat preservation, at this time the metal matrix has been melted, the impregnation chamber 4 and the crucible 3 are simultaneous...
specific Embodiment approach 3
[0023] Embodiment 3: This embodiment is different from Embodiment 2 in that: the inert gas in step 2 is Ar or N.
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Abstract
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