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File:Oxydation ht.svg

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English: Degradation of the metal by high temperature oxidation as described by Bénard (compact oxide layer):
  1. adsorption and dissociation of dioxygen on the metal (not represented);
  2. reaction between adsorbed oxygen atoms and metal atoms to form oxide nuclea;
  3. side growing of nuclea until they form a continuous layer;
  4. growth of the oxide layer in thickness, by diffusion inside the layer;
  5. the oxide layer breaks due to the stress induced by the growth and the defects.
Français : Dégradation du métal par oxydation à haute température, telle que décrite par Bénard (couche d'oxyde compacte) :
  1. adsorption et dissociation du dioxygène sur la surface du métal (non représenté) ;
  2. réaction entre les atomes d'oxygène adsorbés et le métal pour former des germes d'oxyde ;
  3. croissance latérale des germes jusqu'à la jonction, formation d'un film continu ;
  4. croissance du film d'oxyde en épaisseur par diffusion dans le film ;
  5. rupture du film d'oxyde par les contraintes induites par sa croissance et les défauts.
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Author Cdang
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current09:01, 4 February 2009Thumbnail for version as of 09:01, 4 February 2009299 × 278 (16 KB)Cdang (talk | contribs){{Information |Description={{en|1=Degradation of the metal by high temperature oxidation as described by Bénard (compact oxide layer): # adsorption and dissociation of dioxygen on the metal (not represented); # reaction between adsorbed oxygen atoms and

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