ListarB. Investigación por tema "316L"

Objectives: This study was carried out in order to establish the potential offered by the sol-gel method to obtain Titanium/ Bismuth oxide coatings on 316L Stainless Steel (SS) substrates in biocompatibility applications. ...

En este trabajo se presenta la síntesis y la evaluación de la resistencia a la corrosión de recubrimientos de SiO2-TiO2-ZrO2-BiO2 depositados por la técnica de centrifugado sobre acero inoxidable AISI 316L. Los soles se ...

Sol-Gel Synthesis of Titanium/Bismuth Oxide Coatings for Biocompatibility Applications on 316L Stainless Steel
...
Aperador Chaparro, William Arnulfo | 2018-05

Objectives: This study was carried out in order to establish the potential offered by the sol-gel method to obtain Titanium/ Bismuth oxide coatings on 316L Stainless Steel (SS) substrates in biocompatibility applications. Methods/Analysis: The stable sol was synthesized by using Bismuth nitrate (III) pentahydrate and Titanium (IV) butoxide. The coatings were deposited by spin-coating technique at 4000 rpm and characterized topographically by Scanning Electron Microscopy SEM and structurally by X-ray diffraction XRD. Through the techniques of polarization potentiodynamic curves and Electrochemical Impedance Spectroscopy (EIS), the anticorrosive response of the �ilms was evaluated. The thickness was then measured, and biocompatibility test was developed. Findings: It was found that the coatings with high composition of the precursor titanium (IV) butoxide offer the best results as an anticorrosive application. Likewise, the growth of cells was uniform on the �ilms indicating that the medium offered by the �ilms does not present active cytotoxicity and surpasses by a large number the cellular growth level compared to stainless steel. Applications /Improvement: 316L (SS) is very useful in implantology, for its low cost compared with other materials. The implanted steel suffers corrosion by the physiological �luids of body. Titanium/Bismuth coatings establish a barrier between body �luids and SS implant.

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Synthesis and corrosion resistance evaluation of coatings of SiO2-TiO2-ZrO2-BiO2 on 316L stainless produced by sol-gel
...
Olaya, Jhon | 2018-10

En este trabajo se presenta la síntesis y la evaluación de la resistencia a la corrosión de recubrimientos de SiO2-TiO2-ZrO2-BiO2 depositados por la técnica de centrifugado sobre acero inoxidable AISI 316L. Los soles se prepararon a partir de una mezcla de precursores orgánicos, como el tetraetoxisilano (TEOS) al 98%, tetrabutóxido de titanio (TBT) al 97%, zirconio (IV) butóxido (TBZ) al 80% en solución 1-butanol y nitrato de bismuto penta-hidratado Bi(NO3)3*5H2O. La resistencia a la corrosión se determinó mediante ensayos de curvas de polarización potenciodinámica y de espectroscopia de impedancia electroquímica (EIS) en una solución electrolítica de 3,5% Wt de NaCl + 0,5 M de H2SO4. A los soles preparados se les caracterizó mediante estudio reológico, de pH en función del tiempo, mediciones de espectroscopia de infrarrojo por transformada de Fourier (FTIR) y calorimetría diferencial de barrido (DSC). Los recubrimientos se caracterizaron mediante difracción de rayos X (XRD), microscopia electrónica de barrido (MEB), espectroscopia de energías dispersivas (EDX), fluorescencia de rayos X (XRF) y medidas de adherencia. Los resultados mostraron que las películas ofrecen una buena resistencia a la corrosión sobre el sustrato metálico disminuyendo los valores de densidades de corriente hasta en un orden de magnitud

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ListarB. Investigación por tema "316L"

Sol-Gel Synthesis of Titanium/Bismuth Oxide Coatings for Biocompatibility Applications on 316L Stainless Steel

Synthesis and corrosion resistance evaluation of coatings of SiO2-TiO2-ZrO2-BiO2 on 316L stainless produced by sol-gel

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Sol-Gel Synthesis of Titanium/Bismuth Oxide Coatings for Biocompatibility Applications on 316L Stainless Steel

Synthesis and corrosion resistance evaluation of coatings of SiO2-TiO2-ZrO2-BiO2 on 316L stainless produced by sol-gel

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ListarB. Investigación por tema "316L"

Sol-Gel Synthesis of Titanium/Bismuth Oxide Coatings for Biocompatibility Applications on 316L Stainless Steel ﻿

Synthesis and corrosion resistance evaluation of coatings of SiO2-TiO2-ZrO2-BiO2 on 316L stainless produced by sol-gel ﻿

Envíos recientes

Sol-Gel Synthesis of Titanium/Bismuth Oxide Coatings for Biocompatibility Applications on 316L Stainless Steel

Synthesis and corrosion resistance evaluation of coatings of SiO2-TiO2-ZrO2-BiO2 on 316L stainless produced by sol-gel

Portales Institucionales

Sol-Gel Synthesis of Titanium/Bismuth Oxide Coatings for Biocompatibility Applications on 316L Stainless Steel

Synthesis and corrosion resistance evaluation of coatings of SiO2-TiO2-ZrO2-BiO2 on 316L stainless produced by sol-gel