On the S-phase formation and the balanced plasma nitriding of austenitic-ferritic super duplex stainless steel
WR de Oliveira, BCES Kurelo, DG Ditzel… - Applied Surface …, 2018 - Elsevier
The different physical responses of austenite (γ) and ferrite (α) iron structures upon nitriding
result in technical challenges to the uniform modification of α-γ materials, as the super …
result in technical challenges to the uniform modification of α-γ materials, as the super …
Tribo-mechanical characterization of rough, porous and bioactive Ti anodic layers
GB de Souza, GG de Lima, NK Kuromoto… - Journal of the …, 2011 - Elsevier
Rough and porous titanium oxide layers, which are important features for improving the
osseointegration of Ti implants with bone tissues, are obtained through the technique of …
osseointegration of Ti implants with bone tissues, are obtained through the technique of …
Effect of anodizing time on the mechanical properties of porous titania coatings formed by micro-arc oxidation
E Santos Jr, GB de Souza, FC Serbena… - Surface and Coatings …, 2017 - Elsevier
Porous TiO 2 coatings were produced on commercially pure Ti substrates by micro-arc
oxidation (MAO) in 1.0 MH 2 SO 4 electrolyte for different anodizing times. Their mechanical …
oxidation (MAO) in 1.0 MH 2 SO 4 electrolyte for different anodizing times. Their mechanical …
Improved tribo-mechanical behavior of CaP-containing TiO2 layers produced on titanium by shot blasting and micro-arc oxidation
EM Szesz, GB de Souza, GG de Lima… - Journal of Materials …, 2014 - Springer
The combination of shot blasting (SB) and micro-arc oxidation (or anodic oxidation—AO) in
titanium surfaces was shown to provide enhanced conditions for cell differentiation and …
titanium surfaces was shown to provide enhanced conditions for cell differentiation and …
Mechanical properties of anodic titanium films containing ions of Ca and P submitted to heat and hydrothermal treatment
GG de Lima, GB de Souza, CM Lepienski… - Journal of the …, 2016 - Elsevier
Anodic oxidation is a technique widely used to improve the bioactivity of Ti surface. In this
study, micro-arc oxidation (MAO) was used to obtain an anodic film incorporating Ca and P …
study, micro-arc oxidation (MAO) was used to obtain an anodic film incorporating Ca and P …
Plasma nitriding of HP13Cr supermartensitic stainless steel
BCES Kurelo, GB de Souza, SLR da Silva… - Applied Surface …, 2015 - Elsevier
Supermartensitic stainless steels (SMSS) are commonly employed in the oil exploitation
industry and present a good balance between the necessary physical and chemical …
industry and present a good balance between the necessary physical and chemical …
[HTML][HTML] Surface modification of pure niobium by plasma nitriding
C Borcz, CM Lepienski, SF Brunatto - Surface and Coatings Technology, 2013 - Elsevier
Plasma nitriding of pure niobium was investigated using a dc square waveform pulsed
power supply of 5.0 kW, aiming to change the material surface characteristics due to heating …
power supply of 5.0 kW, aiming to change the material surface characteristics due to heating …
Nanomechanical and nanotribological properties of bioactive titanium surfaces prepared by alkali treatment
GB de Souza, CM Lepienski, CE Foerster… - Journal of the …, 2011 - Elsevier
Alkali-heat treatment (AHT) is a simple and practical method to make titanium surfaces
bioactive. Hydroxyapatite nucleates on Ti when in contact with body fluids due to the …
bioactive. Hydroxyapatite nucleates on Ti when in contact with body fluids due to the …
Ti-25Nb-25Ta alloy treated by plasma electrolytic oxidation in phosphoric acid for implant applications
G Beilner, BL Pereira, CM Lepienski… - Matéria (Rio de …, 2021 - SciELO Brasil
Among titanium alloys with non-toxic elements, the Ti-25Nb-25Ta alloy has good elastic
behavior for applications in osseous implants, biocompatibility, and excellent corrosion …
behavior for applications in osseous implants, biocompatibility, and excellent corrosion …
Determination of an objective criterion for the assessment of the feasibility of an instrumented indentation test on rough surfaces
J Marteau, A Jourani, M Bigerelle - Materials, 2020 - mdpi.com
The influence of roughness on the results of indentation testing was investigated using a
semianalytical model. This model used simulated surfaces that were described using three …
semianalytical model. This model used simulated surfaces that were described using three …