Powder material for 3D printing
A 3D printing and powder technology, which is applied in the field of 3D printing, can solve the problems that are not applicable to 3D printing fields, and achieve the effects of increasing hardness, improving alloy strength and high temperature performance, and improving wear resistance
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Embodiment 1
[0103] The components based on the technical solution of the present invention are as follows:
[0104] Sintered WC-Co cemented carbide spherical particles accounted for 10%, coarse crystal or single crystal tungsten carbide particles accounted for 20%, Co-based alloy accounted for 70%;
[0105] Sintered WC-Co cemented carbide spherical particles are: Ct 5.6% ~ 6.0%, Cf ≤ 0.08%, O ≤ 0.1%, Fe ≤ 0.08%, Co 5.8% ~ 6.2%, Cr ≤ 0.05%, Ni ≤ 0.05%, Ti≤0.05%, Si≤0.01%, Ca≤0.01%, the rest is W;
[0106] Coarse crystal or single crystal tungsten carbide particles are: Ct 6.12%, Cf≤0.08%, Cr≤0.03%, Co≤0.02%, Fe≤0.03%, Mo≤0.005%, Ca≤0.002%, Si≤0.003%, Al ≤0.001%, S≤0.005%, O≤0.05%, the rest is W;
[0107] Co-based alloys are: C 1.15%, Mn≤1.0%, W4.0%, Ni≤3.0%, Cr29.0%, Mo≤1.0%, Fe≤3.0%, Si≤2.0%, and the rest is Co.
Embodiment 2
[0109] The components based on the technical solution of the present invention are as follows:
[0110] Sintered WC-Co cemented carbide spherical particles accounted for 10%, coarse crystal or single crystal tungsten carbide particles accounted for 20%, Co-based alloy accounted for 70%;
[0111] Sintered WC-Co cemented carbide spherical particles are: Ct 5.5% ~ 5.8%, Cf ≤ 0.08%, O ≤ 0.1%, Fe ≤ 0.08%, Co 7.5% ~ 8.5%, Cr ≤ 0.05%, Ni ≤ 0.05%, Ti≤0.05%, Si≤0.01%, Ca≤0.01%, the rest is W;
[0112] Coarse crystal or single crystal tungsten carbide particles are: Ct 6.18%, Cf≤0.08%, Cr≤0.03%, Co≤0.02%, Fe≤0.03%, Mo≤0.005%, Ca≤0.002%, Si≤0.003%, Al ≤0.001%, S≤0.005%, O≤0.05%, the rest is W;
[0113] Co-based alloys are: C1.2%, Mn≤1.0%, W4.5%, Ni≤3.0%, Cr29.0%, Mo≤1.0%, Fe≤3.0%, Si≤2.0%, and the rest is Co.
Embodiment 3
[0115] The components based on the technical solution of the present invention are as follows:
[0116] Sintered WC-Co cemented carbide spherical particles accounted for 15%, coarse crystal or single crystal tungsten carbide particles accounted for 40%, Co-based alloy accounted for 45%;
[0117] Sintered WC-Co cemented carbide spherical particles are: Ct 5.6% ~ 6.0%, Cf ≤ 0.08%, O ≤ 0.1%, Fe ≤ 0.08%, Co 5.8% ~ 6.2%, Cr ≤ 0.05%, Ni ≤ 0.05%, Ti≤0.05%, Si≤0.01%, Ca≤0.01%, the rest is W;
[0118] Coarse crystal or single crystal tungsten carbide particles are: Ct 6.12%, Cf≤0.08%, Cr≤0.03%, Co≤0.02%, Fe≤0.03%, Mo≤0.005%, Ca≤0.002%, Si≤0.003%, Al ≤0.001%, S≤0.005%, O≤0.05%, the rest is W;
[0119] Co-based alloys are: C 1.15%, Mn≤1.0%, W4.0%, Ni≤3.0%, Cr29.0%, Mo≤1.0%, Fe≤3.0%, Si≤2.0%, and the rest is Co.
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