Pseudoelastic Deformation during Nanoscale Adhesive Contact Formation
D Mordehai and E Rabkin and DJ Srolovitz, PHYSICAL REVIEW LETTERS, 107, 096101 (2011).
Molecular dynamics simulations are employed to demonstrate that adhesive contact formation through classical jump to contact is mediated by extensive dislocation activity in metallic nanoparticles. The dislocations generated during jump to contact are completely annihilated by the completion of the adhesive contact, leaving the nanoparticles dislocation-free. This rapid and efficient jump to contact process is pseudoelastic, rather than purely elastic or plastic.
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