Buscar
Mostrando ítems 1-2 de 2
Development of a post oxidizing process over nitrided medium alloy steels for wear and corrosion protection in oil sucker rod lift
(2018-09-28)
To study this surface treatment, AISI 4140 polished PPD prototypes were nitrided, in a DC Plasma industrial equipment, and then were oxidized in the same chamber. Witness specimens were also treated and analyzed in the laboratory.
Development of a post oxidizing process over nitrided and nitrocarburized steels for wear and corrosion protection
(2018-09-20)
The environmental concern on the use of this coating stimulated the research activities for alternatives of hard chromium. In this work, AISI 1045 was nitrocarburized, AISI 4140 was nitrided, both in a DC Plasma industrial ...