Differences in the creep behaviour of some Ni base alloys were interpreted by a metallographic examination of broken specimens of a creep rupture test. If the fructure of uncoated specimens is intiated by an oxidation from the surface, by coating the time until rupture is elongated. If the ...
Résumé : L'auteur a exposé les différents résultats expérimentaux obtenus à l'aide de la «méthode d'hydrogène. En partant de la preuve qu'il y a une différence d'effect entre la mise en puissance par dilution éch...
Vascular Anatomy of the Front Abdominal Wall: A Contribution to Avoid Vessel Injuries during Laparoscopic Surgery Injuries to vessels of the abdominal wall are an potential complication in laparoscopic surgery but, with the increasing use of this technique, tend to occur more often. The exact ...