A composite modification method of high-entropy alloy extruded pier
A high-entropy alloy and modification technology, applied in the field of plastic modification, can solve the problems of high-entropy alloy lattice distortion, easy formation of cracks, hindering the application of plastic processing forging modification process, etc. The effect of promoting mass use
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[0019] Taking AlCrFeNiCuMu as an example, this embodiment is an AlCrFeNiCuMu with uniform structure and significantly improved mechanical properties prepared by pier extrusion composite technology. 0.5 The method for the high-entropy alloy ingot billet is specifically completed according to the following steps:
[0020] (1) Prepare high entropy alloy: AlCrFeNiCuMu 0.5 Ingot: the selected composition is AlCrFeNiCuMu 0.5 In the ingot of the high-entropy alloy, the molar ratios of the five elements are Al:Cr:Fe:Ni:Cu:Mu=1:1:1:1:1:0.5.
[0021] (2) Homogenization heat treatment: AlCrFeNiCuMu selected in step (1) 0.5 The high-entropy alloy ingot is subjected to homogenization heat treatment. The temperature of the homogenization heat treatment is 1000°C-1100°C, and then the heat preservation treatment is carried out according to the thickness of the ingot 0.8-1min / mm. The heat preservation time of the homogenization heat treatment is 12h-100h, and the internal structure is obtain...
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