Method for preparing double-metal compound material through combined solid-state copper solid-liquid compounding and rolling
A composite material, solid-liquid composite technology, applied in metal rolling and other directions, can solve problems such as thermal cracking, low performance of interacting bimetallic composite materials, component segregation, etc., to improve peel strength, improve mechanical properties and physical properties, The effect of improved performance
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Embodiment 1
[0032] This embodiment relates to a method for preparing a bimetallic composite material by combining solid-liquid compounding and rolling of solid copper, including the following steps:
[0033] Step 1. Perform thermal spraying zinc surface treatment on the solid Cu-Cr-Zr copper alloy preset material to be connected, and the thickness of the zinc layer is 15 μm;
[0034] Step 2, presetting the surface-treated solid Cu-Cr-Zr copper alloy in the required position in the mold cavity;
[0035] Step 3: Melt the 6101 extruded aluminum alloy in the resistance furnace and pour it into the mold cavity. Using the processing technology of metal mold casting, the pouring temperature is 680°C to form a metallurgical bond between copper and aluminum;
[0036] Step 4. Perform annealing treatment on the obtained Cu-Cr-Zr-6101 copper-aluminum bimetallic rolling billet before rolling. The annealing temperature is 100° C. and the time is 100 minutes. Then continue the hot rolling process with a...
Embodiment 2
[0040] This embodiment relates to a method for preparing a bimetallic composite material by combining solid-liquid compounding and rolling of solid copper, including the following steps:
[0041] Step 1. Perform thermal spraying zinc surface treatment on the solid T2 red copper preset material to be connected, and the thickness of the zinc layer is 15 μm;
[0042] Step 2, presetting the surface-treated solid T2 red copper at the required position in the mold cavity;
[0043] Step 3: Melt the A356 cast aluminum alloy in the resistance furnace and pour it into the mold cavity. Using the processing technology of squeeze casting, the pouring temperature is 700°C, and the squeeze casting pressure is 70MPa to form a metallurgical bond between copper and aluminum;
[0044] Step 4. Perform annealing treatment on the obtained T2-A356 copper-aluminum bimetallic rolling billet before rolling. The annealing temperature is 300° C. for 20 minutes, and then hot rolling is continued. The redu...
Embodiment 3
[0048] This embodiment relates to a method for preparing a bimetallic composite material by combining solid-liquid compounding and rolling of solid copper, including the following steps:
[0049] Step 1. Perform thermal spraying zinc surface treatment on the solid T2 red copper preset material to be connected, and the thickness of the zinc layer is 15 μm;
[0050] Step 2, presetting the surface-treated solid T2 red copper at the required position in the mold cavity;
[0051] Step 3: Melt the AZ91 magnesium alloy in the resistance furnace and pour it into the mold cavity. Using the processing technology of squeeze casting, the pouring temperature is 650°C, and the squeeze casting pressure is 50MPa, so that the metallurgical bond between aluminum and magnesium is formed;
[0052] Step 4. Perform annealing treatment on the obtained T2-AZ91 copper-magnesium bimetallic rolling billet before rolling. The annealing temperature is 350° C. for 5 minutes, and then continue the warm roll...
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