Microstructure characterizations and strengthening mechanism of multi-principal component AlCoCrFeNiTi0.5 solid solution alloy with excellent mechanical properties

It was reported that AlCoCrFeNiTi0.5 alloy exhibits excellent comprehensive mechanical properties. In this letter, this alloy was further studied on its microstructures and strengthening mechanism. The super-high strength and good plasticity of AlCoCrFeNiTi0.5 alloy should be attributed to its microstructure of intrinsic strong body-centered cubic solid solution, and effective multiple strengthening mechanisms like solid solution strengthening, precipitation strengthening, and nano-composite strengthening effects, etc.