Nano ceramic metal composite powder for 3D printing and application
A 3D printing and metal composite technology, applied in metal processing equipment, transportation and packaging, additive processing, etc., can solve the problems of easy agglomeration of nano-ceramic particles, poor matrix interface bonding, poor wettability, etc., and achieve nano-ceramic phase distribution. The effect of uniformity, solving agglomeration and low cost
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[0042] Example 1:
[0043] Nano-ceramic metal composite powder and its application for 3D printing to René104 nickel-based superalloy as the substrate, the average particle diameter of 2.5μm TiC ceramic phase particles are reinforced, the added mass percentage of 2.0%.
[0044] Particle size of the base material is a nickel-base superalloy René104 spherical powder of 15 ~ 53μm, the group of nickel-base superalloy René104 divided into: 20.6Co ~ 13Cr ~ 3.4Al ~ 3.9Ti ~ 3.8Mo ~ 2.1W ~ 2.4Ta ~ 0.9Nb ~ 0.05Zr ~ 0.03B ~ 0.04C ~ balance is Ni.
[0045] The 3D printing method for a metal composite powder and nano-ceramic application, the following steps:
[0046] (1) the first ratio of the average particle diameter of 2.5μm TiC particle partial René104 nickel-base superalloy powder are mixed (ratio 2: 3), then wet-milled using a high energy ball mill was added dry milling process, nano-ceramics obtained composite powder particles uniformly distributed;
[0047] (2) in an inert gas atmosphe...
Example Embodiment
[0060] Example 2:
[0061]Metal nano-ceramic composite powder according to the present invention is a method for 3D printing, using one of the Chinese patent (CN108480625A) based selective laser melting technique silicon carbide particle reinforced aluminum matrix composite material forming process, the preparation of spherical composite powder, and processing parameters using SLM Chinese Patent (CN108480625A) embodiment, the preparation of SiC / AlSi10Mg composites. include:
[0062] Selection of a spherical average particle size of 30μm AlSi10Mg powder as a base, the average particle size of 10μm SiC powder reinforcing particles, wherein the mass fraction of SiC powder of 10%, both at 99.9% purity, specific preparation steps are as follows:
[0063] (1) the first ratio of the average particle diameter of 10μm and the particles of SiC powder mixing portion AlSi10Mg (ratio 1: 2), then wet-milled using a high energy ball mill was added dry milling process to obtain a composite cera...
Example Embodiment
[0073] Example 3:
[0074] Nano-ceramic metal composite powder and its application for 3D printing to TC4 titanium alloy as a base, a mean particle size of 5μm TiB 2 It is reinforced with ceramic particles, the added mass percentage of 2.0%. The matrix material having a particle size of TC4 alloy spherical powder of 53 ~ 106μm.
[0075] The 3D printing method for a metal composite powder and nano-ceramic application, the following steps:
[0076] (1) the ratio of the first TiB 2 The ceramic particles and the mixing portion TC4 alloy powder (ratio 2: 3), then wet-milled using a high energy ball mill was added dry milling process, nano-composite powder to obtain a uniform distribution of ceramic particles;
[0077] (2) in an inert gas atmosphere, the step (1) to give a composite powder was placed in a plasma apparatus for the ball of the ball, and cooled to obtain spherical composite powder of nano ceramic particles are uniformly distributed;
[0078] (3) The step (2) obtained spher...
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