A c/c-zrc-sic surface layer iron-based alloy modified composite material and preparation method thereof
A technology of iron-based alloys and composite materials, applied in metal material coating process, coating, hot-dip plating process, etc., can solve the problems of reducing mechanical properties, reducing interlayer strength, affecting mechanical properties, etc., to reduce stress concentration source, enhance the surface density of the substrate, and have excellent effects on high temperature creep resistance
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Embodiment 1
[0056] Set the density to 2.6g / cm 3 The surface of the C / C-ZrC-SiC composite material is polished, ultrasonically cleaned, and dried in a low-temperature vacuum for use; meanwhile, the Fe-15Cr-25Ni series iron-based superalloy powder is dried in a low-temperature vacuum for use.
[0057] Check the quality of the smelting furnace, bake the furnace at 500°C for 1 hour and use it for later use; meanwhile, clean the crucible tongs and dry them for later use.
[0058] Heat the iron-based superalloy powder in the smelting furnace to 10°C-100°C above the melting point (after about 1650°C), then add a deoxidizer accounting for 0.05% to 0.075% of the alloy melt mass, press it to the bottom with a tool and move slowly until until no bubbling; then add slag breaking agent, fully stir with tools, remove slag, and remove impurities in iron-based superalloy liquid; after cleaning slag, sprinkle 0.05%-0.1% iron on the surface of the alloy melt Covering agent to prevent oxygen in the air fro...
Embodiment 2
[0062] Set the density to 2.6g / cm 3 The surface of the C / C-ZrC-SiC composite material is polished, ultrasonically cleaned, and dried in a low-temperature vacuum for use; meanwhile, the Fe-15Cr-25Ni series iron-based superalloy powder is dried in a low-temperature vacuum for use.
[0063] Check the quality of the smelting furnace, bake the furnace at 500°C for 1 hour and use it for later use; meanwhile, clean the crucible tongs and dry them for later use.
[0064] Heat the iron-based superalloy powder in the smelting furnace to 10°C-100°C above the melting point (after about 1650°C), then add a deoxidizer accounting for 0.05% to 0.075% of the alloy melt mass, press it to the bottom with a tool and move slowly until until no bubbling; then add slag breaking agent, fully stir with tools, remove slag, and remove impurities in iron-based superalloy liquid; after cleaning slag, sprinkle 0.05%-0.1% iron on the surface of the alloy melt Covering agent to prevent oxygen in the air fro...
Embodiment 3
[0068] Set the density to 2.6g / cm3 The surface of the C / C-ZrC-SiC composite material is polished, ultrasonically cleaned, and dried in a low-temperature vacuum for use; meanwhile, the Fe-15Cr-25Ni series iron-based superalloy powder is dried in a low-temperature vacuum for use.
[0069] Check the quality of the smelting furnace, bake the furnace at 500°C for 1 hour and use it for later use; meanwhile, clean the crucible tongs and dry them for later use.
[0070] Heat the iron-based superalloy powder in the smelting furnace to 10°C-100°C above the melting point (after about 1650°C), then add a deoxidizer accounting for 0.05% to 0.075% of the alloy melt mass, press it to the bottom with a tool and move slowly until until no bubbling; then add slag breaking agent, fully stir with tools, remove slag, and remove impurities in iron-based superalloy liquid; after cleaning slag, sprinkle 0.05%-0.1% iron on the surface of the alloy melt Coating agent % to prevent oxygen in the air from...
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