Search Results - time noise analysis

Frequency–Time Domain Analysis Based on Electrochemical Noise of Dual-Phase (DP) and Ferrite–Bainite (FB) Steels in Chloride Solutions for Automotive Applications by Almeraya Calderón, Facundo, Montoya Rangel, Marvin, Nieves Mendoza, Demetrio, Jáquez Muñoz, Jesús Manuel, Baltazar Zamora, Miguel Ángel, Landa Ruiz, Laura, Lara Banda, María del Refugio, Maldonado Bandala, Erick, Estupiñan López, Francisco Humberto, Gaona Tiburcio, Citlalli

“…At room temperature, the steels were immersed in NaCl, CaCl2, and MgCl2 solutions and were studied by frequency–time domain analysis using wavelet decomposition, Hilbert–Huang analysis, and recurrence plots (RPs) related to the corrosion process and noise impedance (Zn). …”
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Electrochemical Noise Analysis of Nickel Based Superalloys in Acid Solutions by Gaona Tiburcio, Citlalli, Aguilar M, M.R, Zambrano Robledo, Patricia del Carmen, Estupiñan López, Francisco Humberto, Cabral Miramontes, José Ángel, Nieves Mendoza, Demetrio, Castillo González, E., Almeraya Calderón, Facundo

“…Statistical analysis of electrochemical noise technique yielded LI localization index, the type of corrosion and the noise resistance as well as the corrosion rate. …”
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Electrochemical Noise Analysis: An Approach to the Effectivity of Each Method in Different Materials by Jáquez Muñoz, Jesús Manuel, Gaona Tiburcio, Citlalli, Méndez Ramírez, Ce Tochtli, Martínez Ramos, Cynthia, Baltazar Zamora, Miguel Ángel, Santiago Hurtado, Griselda, Estupiñan López, Francisco Humberto, Landa Ruiz, Laura, Nieves Mendoza, Demetrio, Almeraya Calderón, Facundo

“…The objective of this research is to characterize by EN technique different aeronautical alloys (Al, Ti, steels, and superalloys) using different analysis methods such as time domain (visual analysis, statistical), frequency domain (power spectral density (PSD)), and frequency–time domain (wavelet decomposition, Hilbert Huang analysis, and recurrence plots (RP)) related to the corrosion process. …”
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Electrochemical Noise Analysis Using Experimental Chaos Theory, Power Spectral Density and Hilbert–Huang Transform in Anodized Aluminum Alloys in Tartaric–Phosphoric–Sulfuric Acid... by Martínez Ramos, Cynthia, Olguín Coca, Javier, López León, Luis Daimir, Gaona Tiburcio, Citlalli, Lara Banda, María del Refugio, Maldonado Bandala, Erick, Castañeda Robles, Ivan, Jáquez Muñoz, Jesús Manuel, Cabral Miramontes, José Ángel, Nieves Mendoza, Demetrio, Almeraya Calderón, Facundo

“…In the EN, three methods of data analysis were used: the time domain analysis (chaos analysis: application of Lyapunov exponent and dimension correlation), the frequency domain analysis (power spectral density, PSD), and the time–frequency domains analysis (Hilbert–Huang transform, HHT). …”
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Effect of Cathodic Protection on Reinforced Concrete with Fly Ash Using Electrochemical Noise by García Contreras, Jorge, Gaona Tiburcio, Citlalli, López Cazares, Irene, Sánchez Díaz, Guillermo, Ibarra Castillo, Juan Carlos, Jáquez Muñoz, Jesús Manuel, Nieves Mendoza, Demetrio, Maldonado Bandala, Erick, Olguín Coca, Javier, López León, Luis Daimir, Almeraya Calderón, Facundo

“…Ag/AgCl) by impressed current, and specimens concrete were immersed in a 3.5 wt.% sodium chloride (NaCl) Solution. The analysis of electrochemical noise-time series showed that the mixtures microstructure influenced the corrosion process. …”
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Use of Electrochemical Noise for the Study of Corrosion by Passivated CUSTOM 450 and AM 350 Stainless Steels by Almeraya Calderón, Facundo, Villegas Tovar, José Miguel, Lara Banda, María del Refugio, Jáquez Muñoz, Jesús Manuel, Estupiñan López, Francisco Humberto, Gaona Tiburcio, Citlalli

“…Two methods of data analysis were applied concerning EN: the domain of frequencies (power spectral density, PSD) and the time–frequency domain (Hilbert-Huang Transform). …”
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Análisis metodológico del impacto ambiental en el rendimiento estudiantil: Ruido, iluminación y temperatura by Velázquez Mora, Rubén, Cortes Coss, Agustín, Cortes Coss, Dina Elizabeth, Cisneros Torres, Juan Carlos

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Effect of heat treatment on the electrochemical behavior of AA2055 and AA2024 alloys for aeronautical applications by Rivera Cerezo, Heriberto, Gaona Tiburcio, Citlalli, Cabral Miramontes, José Ángel, Bautista Margulis, Raúl German, Nieves Mendoza, Demetrio, Maldonado Bandala, Erick, Estupiñan López, Francisco Humberto, Almeraya Calderón, Facundo

“…In the time domain, the polynomial method was employed to obtain the noise resistance (Rn), the localization index (IL), skewness, and kurtosis, and in the frequency domain, employing power spectral density analysis (PSD). …”
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A Comparative Study of Corrosion AA6061 and AlSi10Mg Alloys Produced by Extruded and Additive Manufacturing by Estupiñan López, Francisco Humberto, Gaona Tiburcio, Citlalli, Jáquez Muñoz, Jesús Manuel, Zambrano Robledo, Patricia del Carmen, Cabral Miramontes, José Ángel, Nieves Mendoza, Demetrio, Delgado, Anabel D., Flores de los Ríos, Juan Pablo, Almeraya Calderón, Facundo

“…. % NaCl solutions at room temperature and their corrosion behavior was studied by electrochemical noise technique (EN). Three different methods filtered EN signals, and the statistical analysis was employed to obtain Rn, the localization index (LI), Kurtosis, skew, and the potential spectral density analysis (PSD). …”
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In vitro gentamicin exposure alters caveolae protein profile in cochlear spiral ligament pericytes by Ghelfi, Elisa, Grondin, Yohann, Millet, Emil J., Bartos, Adam, Bortoni, Magda, Oliveira Gomes dos Santos, Clara, Treviño Villarreal, Humberto J., Sepúlveda Sepúlveda, Rosalinda, Rogers, Rick

“…Mass spectrometry (LC-MS/MS) analysis identifies the proteins in the two groups. …”
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Electrochemical Corrosion of Titanium and Titanium Alloys Anodized in H2SO4 and H3PO4 Solutions by Jáquez Muñoz, Jesús Manuel, Gaona Tiburcio, Citlalli, Chacón Nava, José G., Cabral Miramontes, José Ángel, Nieves Mendoza, Demetrio, Maldonado Bandala, Erick, Delgado, Anabel D., Flores de los Ríos, Juan Pablo, Bocchetta, Patrizia, Almeraya Calderón, Facundo

“…Regarding EN, two methods of data analysis were used: the frequency domain (power spectral density, PSD) and time-frequency domain (discrete wavelet transform). …”
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