Mamie Sancy Velásquez

Cursos dictados los últimos cinco años.
Pregrado
Ciencia de los materiales. CCL2311.

Postgrado
Materiales metálicos en la construcción. CCO3821.

Durabilidad de Estructuras de Hormigón Armado. CCO 3853

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
2024

Hugo Muñoz, Paulo Molina, Ignacio Urzúa Parra, Diego A. Vasco, Magdalena Walczak, Gonzalo Rodríguez-Grau, Francisco Chateau, and Mamié Sancy. Applicability of Paper and Pulp Industry Waste for Manufacturing Mycelium-Based Materials for Thermal-Acoustic Insulation. Sustainability 2024, 16(18), 8034 https://doi.org/10.3390/su16188034

Luis Herrán, Diego Felipe Veliz, Colin Poblete, Elias Leiva, Jessica Honores, Esteban Landaeta, Mamié Sancy,
Rodrigo del Rio, César Sáez-Navarrete, Enrique Dalchiele and Mauricio Isaacs Casanova. Improved ammonia production by a Cu2O@poly-carbazole electrocatalysts in the electrochemical reduction of molecular nitrogen and nitrogen oxoanions. J. Mater. Chem. A, 2024, 12, 25011-25021. https://doi.org/10.1039/D4TA02904F

Díaz, B., Celentano, D., Molina, P., Sancy, M., Troncoso, L., & Walczak, M. On the validation and applicability of multiphysics models for hydrogen SOFC. Journal of Power Sources, 607, 234493, https://doi.org/10.1016/j.jpowsour.2024.234493

Sepúlveda-Vásquez, C., Carrasco-Astudillo, N., Muñoz, L., Molina, P., Ringuedé, A., Guerra, C., & Sancy, M. Electrochemical analysis of carbon steel embedded in mortars with pretreated copper tailings as supplementary cementitious material. International Journal of Electrochemical Science, 19(6), 100584, https://doi.org/https://doi.org/10.1016/j.ijoes.2024.100584

Arcos, C., Ramos-Grez, J. A., Sancy, M., La Fé-Perdomo, I., Setchi, R., & Guerra, C. Suitability of nickel aluminium bronze alloy fabricated by laser powder bed fusion to be used in the marine environment. Corrosion Science, 226, 111656, https://doi.org/10.1016/j.corsci.2023.111656

Martínez, C., Arcos, C., Briones, F., Machado, I., Sancy, M., & Bustamante, M. The Effect of Adding CeO2 Nanoparticles to Cu–Ni–Al Alloy for High Temperatures Applications. Nanomaterials, 14(2), 143, https://doi.org/10.3390/nano14020143

2023

Carola Martínez, Camila Arcos, Francisco Briones, Izabel Machado, Mamié Sancy, and Marion Bustamante. The effect of adding CeO2 Nanoparticles to Cu-Ni-Al alloy for high temperatures applications. Nanomaterials (accepted)

Vejar, N., Rojas, J., Alvarado, C., Solís, R., Pineda, F., Sancy, M., … & Páez, M. (2023). Alumoxane film for corrosion protection of 2024 aluminum alloy. Journal of Materials Research and Technology, 26, 4942-4956, https://doi.org/10.3390/MA13153284

Arcos, C., Guerra, C., Ramos-Grez, J. A., & Sancy, M. (2023). Ni-Al Bronze in Molten Carbonate Manufactured by LPBF: Effect of Porosity Design on Mechanical Properties and Oxidation. Materials, 16(10), 3893, https://doi.org/https://doi.org/10.3390/ma16103893

Claudio Aguilar, Ismelí Alfonso, Daniel González, Edgar Pío, Guilherme Oliveira Neves, Flavio De Barbieri, Mamie Sancy, and Lisa Muñoz. Simulation of the influence of the radial graded porosity distribution on the elastic modulus of g/b phase Ti-based alloy foams for bone implant. Materials 16 (10) 7320 (2023). https://doi.org/10.3390/ma16237320

C. Arcos, J. A. Ramos-Grez, M. Sancy, I. La Fé-Perdomo, R. Setchi, and C. Guerra. Suitability of nickel aluminum bronze alloy fabricated by laser powder bed fusion to be used in the marine environment. Corrosion Science 226 (2024) 111656. https://doi.org/10.1016/j.corsci.2023.111656

C. Arcos, C. Guerra, J. A. Ramos-Grez, and M. Sancy. Ni-Al bronze in molten carbonate manufactured by LPBF: Effect of porosity design on mechanical properties and oxidation. Materials 16 (10) 3893 (2023). https://doi.org/10.3390/ma16103893

C. Aguilar, F. San Martín, C. Martínez, B. Cámara, F. Claverías, A. Undabarrena, M. Sancy, V. Salinas, L. Muñoz. Journal of Materials Research and Technology JMRT 24 (2023) 8735-8753. Improving mechanical properties and the antibacterial response of a/b ternary Ti-Ta alloy foams for biomedical uses. https://doi.org/10.1016/j.jmrt.2023.05.115

Cecilia Montero, Cristián Ramírez, Lisa Muñoz, Mamié Sancy, Manuel Azócar, Marcos Flores, Alfredo Artigas, José H. Zagal, Xiarong Zhou, Alberto Monsalve, Maritza Páez. Effect of Plasma Argon Pretreatment on the Surface Properties of AZ31 Magnesium Alloy. Materials 16 (2023) 2327. https://doi.org/10.3390/ma16062327

B. Valverde, M. Sancy, C. Martínez, E. Botello, E. Pío, C. Aguilar. Effect of Sn content on the passivity of Ti-Ta-Sn alloys. Corrosion Science 211 (2023) 110887. https://doi.org/10.1016/j.corsci.2022.110887

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

Martinez, C., Briones, F., Araya, N., Aguilar, C., Machado, I., Guerra, C., … & Sancy, M. (2020). Influence of the synthesis technique on tribological behavior of a Ti-6Al-4V alloy. Materials Letters, 281, 128627, https://doi.org/10.1016/J.MATLET.2020.128627

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

Ortega, D., Alvarado, C., Muñoz, L., Kohler, H., Pineda, F., Páez, M., … & Blamey, J. M. (2019). Effect of a bacterial consortium on passivation property of 2024 aluminum alloy. International Journal of Electrochemical Science, 14(2), 1940-1953, https://doi.org/10.20964/2019.02.07

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
2022

Pineda, F., Walczak, M., Vilchez, F., Guerra, C., Escobar, R., & Sancy, M. (2022). 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., … & Sancy, M. (2021). A tribological and ion released research of Ti-materials for medical devices. Materials, 15(1), 131.

Electrochemical behavior and surface analysis (NO SE ENCUENTRA PARA CITAR)

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

2024

FONDECYT Regular 2024 N°1241478 (2024-2027)
Development of high entropy alloys for green ammonia as an
energy vector. Investigadora responsable

2023

Revaluation of wood industry wastes through the manufacture of mycelium-based materials. Proyecto de Interés Estratégico CENAMAD PIE-2021-024. 2023-2024

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.