Journal: | Revista mexicana de física |
Database: | PERIÓDICA |
System number: | 000378301 |
ISSN: | 0035-001X |
Authors: | Esguerra Arce, J1 Aguilar, Y1 Aperador, William2 Alba de Sánchez, Nelly Cecilia3 Bolaños Pantoja, Gilberto4 Rincón, C4 |
Institutions: | 1Universidad del Valle, Escuela de Ingeniería de Materiales, Cali, Valle del Cauca. Colombia 2Escuela Colombiana de Ingeniería Julio Garavito, Escuela de Ingeniería Mecánica, Bogotá. Colombia 3Corporación Universidad Autónoma de Occidente, Grupo de Investigación en Ciencia e Ingeniería de Materiales, Cali, Valle del Cauca. Colombia 4Universidad del Cauca, Departamento de Física, Popayán, Cauca. Colombia |
Year: | 2014 |
Season: | May-Jun |
Volumen: | 60 |
Number: | 3 |
Pages: | 210-216 |
Country: | México |
Language: | Inglés |
Document type: | Artículo |
Approach: | Analítico, teórico |
English abstract | Calcium titanate has been proposed as a coating for biomedical applications but it has not been reported characterization of adhesion failure mechanisms or electrochemical properties in time. In this work have been studied these properties of a calcium titanate coating growth onto AISI 304 steel deposited by r.f. magnetron sputtering. It was found that the coating has a critical adhesive load of 6.53 ± 0.14 N. With respect to its electrochemical properties potentiodynamic polarization curves show that the calcium titanate coating provides protection to AISI 304 steel. However, EIS indicates that even though metal dissolution occur through the pores in the coating, this leads to the precipitation of salts that block pores; this precipitates layer acts like an additional barrier to the metal dissolution in the system |
Disciplines: | Física y astronomía, Química |
Keyword: | Física, Fisicoquímica y química teórica, Biomateriales, Titanato de calcio, Pulverización catódica, Prueba de Scracht, Corrosión |
Keyword: | Physics and astronomy, Chemistry, Physics, Physical and theoretical chemistry, Biomaterials, Calcium titanate, Magnetron sputtering, Scratch test, Corrosion |
Full text: | Texto completo (Ver PDF) |