Fatigue crack growth behavior of the quaternary 3d transition metal high entropy alloy CoCrFeNi
Source abstract
Abstract
Abstract CoCrFeNi, a 3d transition metal high entropy alloy, has shown promising mechanical and corrosion resistance properties. CoCrFeNi was subjected to tension–tension fatigue at room temperature and the steady-state fatigue crack growth characteristics and underlying deformation mechanisms were investigated. CoCrFeNi exhibited good steady-state fatigue crack growth resistance with the Paris law exponent at the lower end of the ductile metals range, m ≈ 2.5, regardless of load ratio. TEM analysis performed at different locations revealed that the plastic deformation mechanism changed from dislocation slip to the addition of nano-twinning as ΔK increased over crack life.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: High Entropy Alloys Studies · High-Temperature Coating Behaviors · Metal and Thin Film Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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