Preparation process and device of nano-particle reinforced bimetal composite
A nanoparticle, composite technology
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[0042] Example 1: figure 1 This equipment is a vacuum induction melting device. The equipment consists of box cover 1, work piece 2, coating 3, protective coating 4, variable frequency induction heater 5, manufacturing sand 6, vacuum pump valve 7, vacuum pump 8, vibrator 9, pipeline 10, box 11, and variable frequency induction heating The vibrator 5 is installed outside the box 11, the vibrator 9 is installed at the bottom or side of the box 11, the vibrator 9 is mechanical vibration or ultrasonic vibration, and the frequency of the variable frequency induction heater 5 can be divided from 500Hz to 200kHz. Infinite adjustment, the vacuum pump 8 is installed on any side of the box body 11, and is connected with the vacuum pump valve 7 and the vacuum pump 8 through the pipeline 10.
[0043] At the beginning of the work, first set the mass percentage content to 20% Cr; 10% Ni, 2.5% Mo, 1.3% Si, 2.4% Mn, 1.8B%, 0.5% MgO, 0.4% CaF 2 , 0.3% C, 0.2% Nb, 0.5% CeO 2 , The remainder is Fe,...
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[0044] Example 2: In figure 2 In, and figure 1 The difference is that the variable frequency induction heater 5 is installed in the opposite box 11.
[0045] At the beginning of the work, the mass percentage content is 15% Cr; 15% Ni, 3% Mo, 1.8% Si, 2.4% Mn, 2.0B%, 0.7% MgO, 0.5% CaF 2 , 0.47% C, 0.38% Nb, 0.4% Y 3 O 2 , 0.2% Co, the remainder is Fe, put the above-mentioned component raw materials into a blender according to the composition ratio, and mix them thoroughly. The mixing time is 4 hours to prepare an alloy powder, and then add it to the alloy powder with the above composition WC nanoparticles with a content of 35% by mass are prepared into WC nanoparticle-enhanced hybrid alloy powders, or they are prepared into WC nano-particle-enhanced micro-nano hybrid alloy powders in a stirred ball mill through agitating ball milling process; Add 6% gasoline rubber solution binder to the above-mentioned alloy powder to prepare an alloy paste. The prepared alloy paste is adjusted ...
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[0047] Example 3: image 3 It is a vacuum induction cladding equipment. versus figure 1 with figure 2 The difference is: the equipment consists of particle feeders 12 and 14, workpiece 13, alloy powder 15, forming mold 16, molten pool 17, bimetallic composite and cladding layer 18, frequency conversion induction heater 19, bottom plate 20 , The lifting equipment 21, the inert gas delivery pipe 22 and the vibrator 26 are composed of 1 to 8 particle feeders 12 and 14, which are installed on the upper part of the forming mold 16, and the frequency conversion induction heater 19 is installed on the upper part of the forming mold 16. Externally, the bottom plate 20 and the lifting device 21 are installed in the lower part of the forming mold 16, the vibrator 26 is installed in the lower or upper part or side of the forming mold, and the inert gas delivery pipe 22 is installed in the upper part of the forming mold 16. The forming mold is divided into double-opening and closing metal ...
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