Preparation and forming method of an amorphous reinforced metal matrix composite material
A composite material and metal-based technology, which is applied in the field of preparation and forming of amorphous reinforced metal-based composite materials, can solve the problems of poor wettability and easy oxidation of materials, and achieve the effect of enhancing strength, excellent mechanical properties and improving performance.
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example 1
[0029] This is to use the present invention to manufacture 316L stainless steel-based composite material conformal cooling channel mold as an example:
[0030] 316L stainless steel has good toughness and high strength, but its hardness is low and its corrosion resistance is poor. Therefore, amorphous alloy powder is used to enhance its mechanical properties and corrosion resistance. Specific steps are as follows:
[0031] (1) Select the gas-atomized 316L powder with a particle size of 10-45 μm and the gas-atomized amorphous powder Ti with a particle size of 10-45 μm 45.8 Ni 5 Cu 40 sn 2 Si 1 Zr 6.2 (atomic ratio) for mixing, the mass fraction of the amorphous reinforcement phase is 3%, the rotating speed is 100r / min, the ball milling is 60min, and the powder is mixed evenly.
[0032] (2) Save the 3D CAD model of the part as an STL file after being processed by the slicing software, and transmit the data information of the file to the SLM device.
[0033] (3) Fix the sub...
example 2
[0039] This is an example of using the present invention to manufacture AlSi10Mg matrix composite turbine disk parts:
[0040] AlSi10Mg alloy has poor mechanical properties such as strength and hardness and is easy to be oxidized. Therefore, amorphous alloy powder is used to reduce the degree of oxidation and enhance mechanical properties. Specific steps are as follows:
[0041] (1) Select gas atomized AlSi10Mg alloy powder with particle size of 0-45 μm and gas atomized amorphous powder Ti with particle size of 0-45 μm 45 Cu 40 Zr 7.5 Fe 2.5 Sn 2 Si 1 Sc 2 (atomic ratio) for mixing, the mass fraction of the amorphous reinforcing phase is 10%, the rotating speed is 120r / min, and the powder is mixed uniformly by ball milling for 40min.
[0042] (2) The three-dimensional CAD model of the part is processed by the slicing software and saved as an STL file, and the data information of the file is transmitted to the SLM device.
[0043] (3) Fix the substrate on the forming ta...
example 3
[0049] This is an example of using the present invention to manufacture a Ti6Al4V matrix composite impeller:
[0050] Ti6Al4V alloy has good toughness, but its hardness is low and its corrosion is poor. Therefore, amorphous alloy powder is used to enhance its mechanical properties and corrosion. Specific steps are as follows:
[0051] (1) Select gas atomized Ti6Al4V powder with particle size of 10-45 μm and gas atomized amorphous powder Fe with particle size of 10-45 μm 43.7 Co 7.3 Cr 14.7 Mo 12.6 C 15.5 B 4.3 Y 1.9 (atomic ratio) for mixing, the mass fraction of the amorphous reinforcing phase is 20%, the rotating speed is 150r / min, and the powder is mixed uniformly by ball milling for 40min.
[0052] (2) The three-dimensional CAD model of the part is processed by the slicing software and saved as an STL file, and the data information of the file is transmitted to the SLM device.
[0053] (3) Fix the substrate on the forming table of the SLM equipment, and preheat the...
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Abstract
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