Cu-containing high-entropy alloy coating with liquid phase separation tissue and preparation method thereof
A high-entropy alloy and liquid phase separation technology, applied in the coating process of metal materials, coatings, etc., can solve the problems of rare high-entropy alloy components, achieve low cost, optimize the preparation process, and achieve significant economic benefits.
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[0030] Example 1
[0031] A Cu-containing high-entropy alloy coating with a liquid phase separation structure, which is obtained by alloying 5 or more metal or non-metal elements in an equal atomic ratio or close to an equal atomic ratio. In addition, different amounts of Nano Y 2 O 3 , Nano Y 2 O 3 The particle size distribution is between 20-100nm. In this example, 4 kinds of high-entropy alloy powders are prefabricated, which are respectively recorded as 0.5% Y 2 O 3 -AlCoCrCuFeNiSi 0.5 , 1% Y 2 O 3 -CoCrCu 2 FeNi, 2% Y 2 O 3 -AlCoCrCuFeNi and 3% Y 2 O 3 -CoCrCuFeNi, of which 0.5% Y 2 O 3 -AlCoCrCuFeNiSi 0.5 Y in high entropy alloy 2 O 3 The mass fraction of is 0.5%, and the molar ratio of other metal elements is: Al:Co:Cr:Cu:Fe:Ni:Si=1:1:1:1:1:1:0.5; 1%Y 2 O 3 -CoCrCu 2 FeNi high entropy alloy in Y 2 O 3 The mass fraction of 1%, the molar ratio of other metal elements is: Co:Cr:Cu:Fe:Ni=1:1:2:1:1; 2%Y 2 O 3 -AlCoCrCuFeNi high-entropy alloy Y 2 O 3 The mass fraction is 2%, the ...
Example Embodiment
[0035] Example 2
[0036] A Cu-containing high-entropy alloy coating with a liquid phase separation structure, which is obtained by alloying 5 or more metal or non-metal elements in an equal atomic ratio or close to an equal atomic ratio. In addition, different amounts of Nano Y 2 O 3 , Nano Y 2 O 3 The particle size distribution is between 20-100nm. In this example, two kinds of high-entropy alloy powders are prefabricated, which are respectively recorded as 0.5% Y 2 O 3 -CuCo 0.5 Ni 1.2 CrAl 1.5 Fe 1.5 And 2.5% Y 2 O 3 -CuCrCoMoAl 1.5 Ti, where 0.5% Y 2 O 3 -CuCo 0.5 Ni 1.2 CrAl 1.5 Fe 1.5 Y in high entropy alloy 2 O 3 The mass fraction of is 0.5%, and the mole ratio of other metal elements is: Cu:Co:Ni:Cr:Al:Fe=1:0.5:1.2:1:1.5:1.5; 2.5%Y 2 O 3 -CuCrCoMoAl 1.5 Ti high entropy alloy in Y 2 O 3 The mass fraction of is 2.5%, and the molar ratio of other metal elements is: Cu:Cr:Co:Mo:Al:Ti=1:1:1:1:1.5:1; the purity of various metal powders in this embodiment is ≥ 99.5%, the partic...
Example Embodiment
[0040] Example 3
[0041] A Cu-containing high-entropy alloy coating with a liquid phase separation structure, which is obtained by alloying 5 or more metal or non-metal elements in an equal atomic ratio or close to an equal atomic ratio. In addition, different amounts of Nano Y 2 O 3 , Nano Y 2 O 3 The particle size distribution is between 20-100nm. In this example, two kinds of high-entropy alloy powders are prefabricated, which are respectively recorded as 0.8% Y 2 O 3 -CoCrCuFeNiAl 1.2 Ti 0.5 And 1.5% Y 2 O 3 -Al 1.2 CuNi 0.8 CrFe, of which 0.8% Y 2 O 3 -CoCrCuFeNiAl 1.2 Ti 0.5 Y in high entropy alloy 2 O 3 The mass fraction of is 0.8%, and the molar ratio of other metal elements is: Co:Cr:Cu:Fe:Ni:Al:Ti=1:1:1:1:1:1.2:0.5; 1.5%Y 2 O 3 -Al 1.2 CuNi 0.8 CrFe high entropy alloy in Y 2 O 3 The mass fraction is 1.5%, and the molar ratio of other metal elements is: Al:Cu:Ni:Cr:Fe=1.2:1:0.8:1:1; the purity of various metal powders in this embodiment is ≥99.5%, The diameter is 10-100...
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