MAMIE SANCY VELASQUEZ
Profesor Asistente
Doctora (Sc.D.) en Ciencia e Ingeniería de los Materiales, doble grado Universidad de Santiago de Chile (Santiago, Chile) /Universidad Pierre y Marie Curie (París, Francia), 2006.
Química, Universidad de Santiago de Chile (Santiago, Chile), 2000.
- mail mamiesancy@uc.cl
- phone 2 5504 7908
Cursos dictados los últimos cinco años.
Pregrado
Ciencia de los materiales. CCL2311.
Postgrado
Materiales metálicos en la construcción. CCO3821.
Materiales, tecnologías y sistemas de construcción.
Énfasis en:
- Tecnología y procesos constructivos.
- Corrosión y protección de aleaciones metálicas.
- Biocorrosión.
- Degradación de polímeros.
Artículos en revistas indexadas WoS/Scopus
2022
Melo, P., Echagüe, M., Guerra, C., Jin, Q., Sancy, M., and Paul, A. On the effect of simulated contamination of chlorides and sulfates on steel rebar corrosion: Electrochemical behavior and surface analysis. Construction and Building Materials, 359, 129337, https://doi.org/10.1016/j.conbuildmat.2022.129337
Arcos, C., Muñoz, L., Cordova, D., Muñoz, H., Walter, M., Azócar, M. I., Leiva, A., Sancy, M. and Rodríguez-Grau, G. The Effect of the Addition of Copper Particles in High-Density Recycled Polyethylene Matrices by Extrusion. Polymers, 14(23), 5220, https://doi.org/10.3390/polym14235220
Vejar, N., Gutiérrez, S., Tareelap, N., Alvarado, C., Solís, R., Guerra, C., Pineda, F., Sancy, M. and Páez, M. Influence of Bacillus safensis and Bacillus pumilus on the electrochemical behavior of 2024-T3 aluminum alloy. Bioelectrochemistry, 143, 107950, https://doi.org/10.1016/j.bioelechem.2021.107950
Pineda, F., Walczak, M., Vilchez, F., Guerra, C., Escobar, R., and Sancy, M. Evolution of corrosion products on ASTM A36 and AISI 304L steels formed in exposure to molten NaNO3–KNO3 eutectic salt: Electrochemical study. Corrosion Science, 196, 110047, https://doi.org/10.1016/j.corsci.2021.110047
Silva, D., Arcos, C., Montero, C., Guerra, C., Martínez, C., Li, X., Ringuedé, A., Cassir, M., Ogle, K., Guzmán, D., Aguilar, C., Páez, M. and Sancy, M. A Tribological and Ion Released Research of Ti-Materials for Medical Devices. Materials, 15(1), 131, https://doi.org/10.3390/ma15010131
2021
Muñoz, L., Sancy, M., Guerra, C., Flores, M., Molina, P., Muñoz, H., Bruna, T., Arcos, C., Urzúa, M., Encinas, M. and Páez, M. A. Comparison of the protective efficiency of polymethacrylates with different side chain length for AA2024 alloy. Journal of Materials Research and Technology, 15, 7125-7135, https://doi.org/10.1016/j.jmrt.2021.11.067
Guerra, C., Ringuedé, A., Azocar, M. I., Walter, M., Galarce, C., Bedioui, F., Cassir, M. and Sancy, M. Corrosion analysis of AISI 430 stainless steel in the presence of Escherichia coli and Staphylococcus aureus. Corrosion Science, 181, 109204, https://doi.org/10.1016/j.corsci.2020.109204
Aguilar, C., Pio, E., Medina, A., Martínez, C., Sancy, M., and Guzman, D. Evolution of synthesis of FCC nanocrystalline solid solution and amorphous phase in the Ti-Ta based alloy by high milling energy. Journal of Alloys and Compounds, 854, 155980, https://doi.org/10.1016/j.jallcom.2020.155980
2020
Guzmán, D., Muranda, D., Soliz, A., Aguilar, C., Guzmán, A., Sancy, M., Pineda, F. and Rojas, P. Powder Metallurgy Production of Ti-2 Wt Pct Si Alloy: Structural, mechanical, and electrochemical characterization of the sintered material. Metallurgical and Materials Transactions A, 51(12), 6461-6469, https://doi.org/10.1007/s11661-020-06015-5
Guerra, C., Walczak, M., Sancy, M., Martínez, C., Aguilar, C., and Kalbarczyk, M. Tribological Performance of Porous Ti–Nb–Ta–Fe–Mn Alloy in Dry Condition. Materials, 13(15), 3284, https://doi.org/10.3390/ma13153284
Silva, D., Guerra, C., Muñoz, H., Aguilar, C., Walter, M., Azocar, M., Muñoz, L., Gurbuz, E., Ringuedé, A., Cassir, M. and Sancy, M. The effect of staphylococcus aureus on the electrochemical behavior of porous Ti-6Al-4V alloy. Bioelectrochemistry, 136, 107622, https://doi.org/10.1016/j.bioelechem.2020.107622
Guerra, C., Sancy, M., Walczak, M., Martínez, C., Ringuedé, A., Cassir, M., Han, J., Ogle, K., Gomes de Melo, H., Salinas, V. and Aguilar, C. Effect of added porosity on a novel porous Ti-Nb-Ta-Fe-Mn alloy exposed to simulated body fluid. Materials Science and Engineering: C, 111, 110758, https://doi.org/10.1016/j.msec.2020.110758
Martínez, C., Guerra, C., Silva, D., Cubillos, M., Briones, F., Muñoz, L., Paez, M., Aguilar, C., and Sancy, M. Effect of porosity on mechanical and electrochemical properties of Ti–6Al–4V alloy. Electrochimica Acta, 338, 135858. https://doi.org/10.1016/j.electacta.2020.135858
Atalah, J., Blamey, L., Köhler, H., Alfaro-Valdés, H. M., Galarce, C., Alvarado, C., Sancy, M., Páez, M. and Blamey, J. M. Study of an Antarctic thermophilic consortium and its influence on the electrochemical behavior of aluminum alloy 7075-T6. Bioelectrochemistry, 133, 107450, https://doi.org/10.1016/j.bioelechem.2019.107450
2019
Gulppi, M., Munoz, L., Vejar, N., Blamey, J. M., Gonzalez, E., Azócar, M., Sancy, M., Molina, P., Zagal, J. and Paez, M. Electrochemical dynamic sensing of hydrogen peroxide in the presence of microorganisms. Electrochimica Acta, 305, 416-422, https://doi.org/10.1016/j.electacta.2019.03.076
Galarce, C., Pineda, F., Fischer, D. A., Flores, M., Vargas, I. T., Sancy, M., and Pizarro, G. E. Effect of hazardous bacteria isolated from copper plumbing system on microbiologically influenced corrosion of copper. Int. J. Electrochem. Sci, 14, 2305-2320. https://doi.org/10.20964/2019.03.09
Aguilar, C., Arancibia, M., Alfonso, I., Sancy, M., Tello, K., Salinas, V., and De Las Cuevas, F. Influence of porosity on the elastic modulus of Ti-Zr-Ta-Nb foams with a low Nb content. Metals, 9(2), 176. https://doi.org/10.3390/met9020176
González, E. A., Leiva, N., Vejar, N., Sancy, M., Gulppi, M., Azócar, M. I., Gomez, G., Tamayo, L., Zhou, X., Thompson, G. and Páez, M. A. Sol–gel coatings doped with encapsulated silver nanoparticles: inhibition of biocorrosion on 2024-T3 aluminum alloy promoted by Pseudomonas aeruginosa. Journal of Materials Research and Technology, 8(2), 1809-1818, https://doi.org/10.1016/j.jmrt.2018.12.011
Muñoz, L., Pineda, F., Martínez, C., Sancy, M., Urzua, M., Flores, M., Encinas, M. and Páez, M. A. Improving the interaction between aluminum surfaces and polymer coatings. Surface and Coatings Technology, 358, 435-442, https://doi.org/10.1016/j.surfcoat.2018.11.051
2018
Guerra, C., Sancy, M., Walczak, M., Silva, D., Martínez, C., Tribollet, B., & Aguilar, C. Evolution of oxide film on the internal porosity of Ti-30Nb-13Ta-2Mn alloy foam. Electrochimica Acta, 283, 676-682, https://doi.org/10.1016/j.electacta.2018.05.010
Tasca, F., Recio, F. J., Venegas, R., Geraldo, D. A., Sancy, M., and Zagal, J. H. Corrigendum to “Linear versus volcano correlations for the electrocatalytic oxidation of hydrazine on graphite electrodes modified with MN4 macrocyclic complexes”[Electrochim. Acta, 140 (2014) 314–319](S0013468614008056)(10.1016/j. electacta. 2014.04. 059). Electrochimica Acta, 260, https://doi.org/10.1016/j.electacta.2017.12.045
Calmet, A., Vejar, N., Gonzalez, X., Sancy, M., Ringuedé, A., Lair, V., Griveau, S., Zagal, J., Bedioui, F. and Cassir, M. Electrochemical behavior of stainless steels for sudomotor dysfunction applications. Electroanalysis, 30(1), 162-169, https://doi.org/10.1002/elan.201700464
2017
Alvarado, C., Sancy, M., Blamey, J. M., Galarce, C., Monsalve, A., Pineda, F., Vejar, N. and Páez, M. Electrochemical characterization of aluminum alloy AA2024− T3 influenced by bacteria from Antarctica. Electrochimica Acta, 247, 71-79, https://doi.org/10.1016/j.electacta.2017.06.127
2016
Vejar, N., Alvarado, C., Aguilar, C., Sacre, J., Pineda, F. and Sancy, M. Electrochemical study of the biocorrosion of aluminum alloy 7075. Wulfenia 23(6), 1-10.
2015
Gulppi, M., Pavez, J., Zagal, J. H., Sancy, M., Azocar, M., Scholz, F., and Páez, M. A. Stripping voltammetry microprobe (SPV): Substantial improvements of the protocol. Journal of Electroanalytical Chemistry, 745, 61-65, https://doi.org/10.1016/j.jelechem.2015.03.008
Sancy, M., Abarzúa, A., Azócar, M. I., Blamey, J. M., Boehmwald, F., Gómez, G., … & Páez, M. Biofilm formation on aluminum alloy 2024: A laboratory study. Journal of Electroanalytical Chemistry, 737, 212-217, https://doi.org/10.1016/j.jelechem.2014.08.015
Tasca, F., Recio, F. J., Venegas, R., Geraldo, D. A., Sancy, M., and Zagal, J. H. Linear versus volcano correlations for the electrocatalytic oxidation of hydrazine on graphite electrodes modified with MN4 macrocyclic complexes. Electrochimica Acta, 140, 314-319, https://doi.org/10.1016/j.electacta.2014.04.059
2013
Sancy, M., Francisco Silva, J., Pavez, J., and Zagal, J. H. Simultaneous electrochemical detection of dopamine, ascorbic acid and uric acid using copper-phthalocyanine functionalized mwcnts. Journal of the Chilean Chemical Society, 58(4), 2117-2121, https://doi.org/10.4067/S0717-97072013000400048
Joma, S., Sancy, M., Sutter, E. M. M., Tran, T. T. M., and Tribollet, B. Incongruent dissolution of copper in an Al–Cu assembling. Influence of local pH changes. Surface and interface analysis, 45(10), 1590-1596, https://doi.org/10.1002/sia.5247
Zagal, J. H., Geraldo, D. A., Sancy, M., and Paez, M. A. Unusual behaviour of perflurorinated cobalt phthalocyanine compared to unsubstituted cobalt phthalocyanine for the electrocatalytic oxidation of hydrazine. Effect of the surface concentration of the catalyst on the graphite surface. Journal of the Serbian Chemical Society, 78(12), 2039-2052, https://doi.org/10.2298/JSC131024123Z
2011
Sancy, M., Pavez, J., Gulppi, M. A., De Mattos, I. L., Arratia‐Perez, R., Linares‐Flores, C., … and Zagal, J. H. Optimizing the electrocatalytic activity of surface confined Co macrocyclics for the electrooxidation of thiocyanate at pH 4. Electroanalysis, 23(3), 711-718, https://doi.org/10.1002/elan.201000599
2010
Silva, C. P., Pavez, J., Silva, J. F., Sancy, M., Guerrero, J., Páez, M. A., and Zagal, J. H. Electrochemical transducer based on nanostructured polyaniline films obtained on functionalized self assembled monolayers of 4-aminothiophenol. Molecular Crystals and Liquid Crystals, 522(1), 112-412, htpps://doi.org/10.1080/15421401003722633
Sancy, M., Gourbeyre, Y., Sutter, E. M. M., and Tribollet, B. Mechanism of corrosion of cast iron covered by aged corrosion products: Application of electrochemical impedance spectrometry. Corrosion Science, 52(4), 1222-1227, https://doi.org/10.1016/j.corsci.2009.12.026
Cubillos, M., Sancy, M., Pavez, J., Vargas, E., Urzua, R., Henríquez-Roman, J., Tribollet, B., Zagal, J., Páez, M. and Páez, M. A. Influence of 8-aminoquinoline on the corrosion behaviour of copper in 0.1 M NaCl. Electrochimica Acta, 55(8), 2782-2792, https://doi.org/10.1016/j.electacta.2009.12.064
2009
Martinez, C., Sancy, M., Zagal, J. H., Rabagliati, F. M., Tribollet, B., Torres, H., Pavez, J., Monsalve, A. and Paez, M. A. A zirconia-polyester glycol coating on differently pretreated AISI 316L stainless steel: corrosion behavior in chloride solution. Journal of Solid State Electrochemistry, 13(9), 1327-1337, https://doi.org/10.1007/s10008-008-0674-4
2008
Villagra, E., Bedioui, F., Nyokong, T., Canales, J. C., Sancy, M., Páez, M. A., Costamagna, J. and Zagal, J. H. Tuning the redox properties of Co-N4 macrocyclic complexes for the catalytic electrooxidation of glucose. Electrochimica acta, 53(14), 4883-4888, https://doi.org/10.1016/j.electacta.2008.02.006
2005
Henriquez-Román, J. H., Sancy, M., Páez, M. A., Padilla-Campos, L., Zagal, J. H., Rangel, C. M., and Thompson, G. E. The influence of aniline and its derivatives on the corrosion behaviour of copper in acid solution. Journal of Solid State Electrochemistry, 9(7), 504-511, https://doi.org/10.1007/s10008-004-0586-x
Libros y capítulos de libros
2017
Nelson, V. V., Maria, O. T., Mamiè, S., and Maritza, P. C. Microbiologically influenced corrosion in aluminium alloys 7075 and 2024. In Aluminium Alloys-Recent Trends in Processing, Characterization, Mechanical Behavior and Applications. IntechOpen, https://doi.org/10.5772/intechopen.70735
2016
Sancy, M. and Walczak, M. Biotribocorrosion. In: Biomechanics and Biomaterials in Orthopedics. Edition: 2nd Chapter: 19 Publisher: Springer Editors: Dominique Poitout.
Walczak M., and Sancy M. Biotribocorrosion of Implants. In: Poitout D. (eds) Biomechanics and Biomaterials in Orthopedics. Springer, London, https://doi.org/10.1007/978-1-84882-664-9_19
Artículos en conferencias
2013
Sancy, M., Abarzúa, A., Morales, E., Azocar, I., Gomez, G., Páez, M., and Vejar, N. Biocorrosion study of aluminum aerospace alloy in marine and urban environments In 224th ECS Meeting, California, USA.
Internos
2022
Bio-materiales de Cambio de Fase Microencapsulado en Madera: Fabricación y Aplicaciones Arquitectónicas. Concurso interdisciplina UC II190060. Investigador responsable.
2020-2021
Matrices poliméricas recicladas modificadas con partículas de cobre y sus óxidos: efecto del tamaño de partícula en las propiedades antimicrobianas. Concurso Interdisciplina UC. Grant II20012. Co-Investigador.
Externos
2021-2027
Millennium Institute on Green Ammonia as an Energy Vector (MIGA). Instituto Milenio en Ciencias Naturales y Exactas ICN2021_023. Investigador principal.
2019-2021
Development of novel fcc titanium-based alloys for orthopedic implants by nonequilibrium methods and characterization of their mechanical and corrosion properties. Fondecyt Regular 1190797. Co-Investigador.
2018-2020
Corrosion of Ti Based Alloys used for biomedical applications. Conicyt-PCI Ecos Sud-Conicyt C17E07. Co-Investigador.
2016-2020
Corrosion of Ti-6Al-4V alloy used for biomedical applications. Fondecyt Regular 1160604. Investigador principal.
2016-2018
Superficies funcionalizadas: protección contra la corrosión y biocorrosión. Conicyt-PIA Anillo ACT 1412. Co-Investigador.
2016-2017
Tri-lateral defense science partnering to investigate fundamental bio-electro-chemical interaction mechanisms of aerospace materials. AFOSR FA9550-16-1-0063. Co-Investigador.
2016-2017
TAPSOL: Transformación, acumulación y producción de calor y frio mediante energía solar. Fondef Idea ID15I10152. Co-Investigador.
2015-2017
Development of new titanium-based anodes for copper electrowinning by nonequilibrium methods and characterization of their electrochemical and physical properties. Fondecyt Regular 1151204. Co-Investigador.
2014-2016
Effects of Microbial Diversity on Metallic Alloys. AFOSR FA9550-14-1-0407. Co-Investigador.
2012-2016
Understanding Galvanic Corrosion of Aluminum Alloys for Aerospace Applications. Fondecyt Regular 1121085. Investigador principal.