Recrystallization induced by heat treatment regulates the anisotropic behavior of CoCrMo alloys fabricated by laser powder bed fusion (IMAGE)
Caption
(a) Diagrams illustrating how columnar grains develop during the LPBF, contributing to microstructural anisotropy; (b) Stress-strain curves showing significant improvements in the mechanical anisotropy after heat treatment; (c) Diagrams showing the recrystallization process, where equiaxed grains form to eliminate directional effects and enhance uniformity; (d) TEM images revealing the nanoscale interactions between martensite laths in the solution-annealed state; (e) Visual representation of the synergistic effects between annealing twins and martensite laths.
Credit
Lijin Dai and Changhui Song from South China University of Technology.
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Credit must be given to the creator.
License
CC BY