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The microstructures and properties of Cu‐xCr‐0.4Nb alloys were investigated by changing Cr composition and cooling mode. The as‐cast microstructures and fracture morphologies were observed by SEM. The morphology and size of the precipitated phase were observed by TEM. The hardness, electrical conductivity, and tensile strength of the resulting alloys were also tested. For Cu‐xCr‐0.4Nb alloys cooled...