Mixing behavior of Ti-Al interface during the ultrasonic welding process and its welding strength: Molecular dynamics study.

ABSTRACT: In this study, we conducted molecular dynamics simulations to investigate the mechanical mixing and deformation behavior of hcp Ti/fcc Al bimetal formed by ultrasonic welding (UW). To analyze the effect of the interface shape, we considered sixteen sinusoidal interfaces of various heights and spatial periods along with the flat interface. Mechanical mixing between Ti and Al occurs mainly in the vibrational loading direction, while it is suppressed in the interface-normal direction, as the loading direction lies within the slip planes of both the hcp and fcc structures. The degree of mechanical mixing depended on the shape of the interface. According to the simulation results, mechanical mixing becomes active as the sinusoidal height increases, and the spatial period decreases because of th

SUBMITTER: Moon S 

PROVIDER: S-EPMC10845686 | biostudies-literature | 2024 Feb

REPOSITORIES: biostudies-literature