Method for preparing high-temperature wear resistant lining plate by plasma arc cladding
A plasma arc and high temperature resistant technology, applied in the coating process and coating of metal materials, etc., can solve the problems of low high temperature wear resistance and high temperature impact resistance, affecting the continuous production of enterprises, increasing production costs, etc., to achieve good high temperature resistance. Impact capability, ideal resistance to high temperature abrasive wear, and the effect of improving performance and life
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[0015] Example 1
[0016] First, sandblasting is used to remove rust, oil stains, oxide scale, etc. on the surface of the 1Cr13 metal substrate of the hot-rolled steel plate; according to the characteristics of the metal substrate and the requirements of the working conditions, the metal-based ceramic particle-reinforced alloy powder is prepared. The mass percentages are: C 0.1%, Cr 10%, Ni 5%, the remainder is Al, and the particle size is 180 meshes. Use a mechanical powder mixer to mix for 2 hours, mix the mixed alloy powder with milky white glue, and then mix The good alloy powder is evenly painted on the surface of the metal substrate. The thickness of the pre-coating layer is 0.8mm. It is naturally dried. The metal substrate with the pre-coating layer is fixed on the processing machine tool of the plasma arc cladding equipment. The pre-coating on the substrate surface is scanned in a single pass. The process parameters of plasma arc cladding are: working current: 180A, worki...
Example Embodiment
[0017] Example 2
[0018] First, sandblasting is used to remove the rust, oil and scale on the surface of the 2Cr13 metal substrate of the hot-rolled steel sheet. According to the characteristics and working conditions of the metal substrate, the metal-based ceramic particle-enhanced alloy powder is prepared, and the mass percentage of each alloy powder component is It is: C 0.35%, Cr 15%, Ni 8%, the balance is Al, the particle size is 180 meshes, and the mechanical powder mixer is used to mix for 2 hours, the mixed alloy powder and the milky white rubber are mixed, and then the mixed The alloy powder is uniformly painted on the surface of the metal substrate, the thickness of the pre-coating is 1mm, and it is naturally dried. The metal substrate with the pre-coating is fixed on the processing machine tool of the plasma arc cladding equipment. The coating is scanned in a single pass. The process parameters of plasma arc cladding are: working current: 180A, working voltage: 18V, s...
Example Embodiment
[0019] Example 3
[0020] First, sandblasting is used to remove the rust, oil and scale on the surface of the 2Cr13 metal substrate of the hot-rolled steel sheet. According to the characteristics and working conditions of the metal substrate, the metal-based ceramic particle-enhanced alloy powder is prepared, and the mass percentage of each alloy powder component is It is: C 0.4%, Cr 25%, Ni 10%, the balance is Al, the particle size is 230 meshes, and the mechanical powder mixer is used to mix for 2 hours. The mixed alloy powder is mixed with the milky white rubber, and then the mixed The alloy powder is evenly painted on the surface of the metal substrate. The thickness of the pre-coating layer is 1.5mm. The metal substrate with the pre-coating layer is fixed on the processing machine tool of the plasma arc cladding equipment by natural drying. The coating is scanned in a single pass. The process parameters of plasma arc cladding are: working current: 190A, working voltage: 19V,...
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