Spatio-temporal behaviour of atomic-scale tribo-ceramic films in adaptive surface engineered nano-materials Academic Article uri icon

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abstract

  • Atomic-scale, tribo-ceramic films associated with dissipative structures formation are discovered under extreme frictional conditions which trigger self-organization. For the first time, we present an actual image of meta-stable protective tribo-ceramics within thicknesses of a few atomic layers. A mullite and sapphire structure predominates in these phases. They act as thermal barriers with an amazing energy soaking/dissipating capacity. Less protective tribo-films cannot sustain in these severe conditions and rapidly wear out. Therefore, a functional hierarchy is established. The created tribo-films act in synergy, striving to better adapt themselves to external stimuli. Under a highly complex structure and non-equilibrium state, the upcoming generation of adaptive surface engineered nano-multilayer materials behaves like intelligent systems - capable of generating, with unprecedented efficiency, the necessary tribo-films to endure an increasingly severe environment.

authors

  • Fox-Rabinovich, G
  • Kovalev, A
  • Veldhuis, Stephen Clarence
  • Yamamoto, K
  • Endrino, JL
  • Gershman, IS
  • Rashkovskiy, A
  • Aguirre, MH
  • Wainstein, DL

publication date

  • August 2015