Evolution of magnetic phases located in Boyacá clays subject to high temperatures
In this paper we analyze clay samples obtained from the region of Tunja Boyacá to study the effect of heating temperature in the color of these materials and at the same time as indicative of the nature and distribution of constituents iron oxide Fe2 O3 . These colors are of decorative importance in...
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| Format: | Online |
| Language: | spa |
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Universidad Pedagógica y Tecnológica de Colombia - UPTC
2016
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| Subjects: | |
| Online Access: | https://revistas.uptc.edu.co/index.php/ingenieria_sogamoso/article/view/5449 |
| _version_ | 1801706702822703104 |
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| author | Ruge-Guerrero, Oscar Orlando Martínez-Ovalle, Segundo Agustín Díaz-Lagos, Mercedes |
| author_facet | Ruge-Guerrero, Oscar Orlando Martínez-Ovalle, Segundo Agustín Díaz-Lagos, Mercedes |
| author_sort | Ruge-Guerrero, Oscar Orlando |
| collection | OJS |
| description | In this paper we analyze clay samples obtained from the region of Tunja Boyacá to study the effect of heating temperature in the color of these materials and at the same time as indicative of the nature and distribution of constituents iron oxide Fe2 O3 . These colors are of decorative importance in the manufacture of roofing and brick housing construction. X-ray Fluorescence (XRF), X-ray Diffraction (XRD), Mössbauer Spectroscopy (MS) and Scanning Electron Microscopy (SEM) for samples subjected to heat treatment between (400-1200 ⁰C) was used to assess the evolution of the phases and microstructure in the samples. The results indicate that the spectral properties of the samples are influenced primarily by the mineralogy of Fe. Goethite and hematite phases were identified in all samples. Mössbauer analyzes indicated that with increasing temperature of the raw clay presents an increase in phase of hematite and the red tone from the body of the same, in contrast to samples of yellow tone natural clay . Hematite formation and increased its magnetic ordering is largely due to the disappearance of organic matter and the oxidation of iron ions arranged in mineralogical phases of raw clay. |
| format | Online |
| id | oai:oai.revistas.uptc.edu.co:article-5449 |
| institution | Revista Ingeniería, Investigación y Desarrollo |
| language | spa |
| publishDate | 2016 |
| publisher | Universidad Pedagógica y Tecnológica de Colombia - UPTC |
| record_format | ojs |
| spelling | oai:oai.revistas.uptc.edu.co:article-54492017-09-07T17:50:11Z Evolution of magnetic phases located in Boyacá clays subject to high temperatures Evolución de fases magnéticas presentes en arcillas de Boyacá sometidas a altas temperaturas Ruge-Guerrero, Oscar Orlando Martínez-Ovalle, Segundo Agustín Díaz-Lagos, Mercedes spectroscopy mössbauer phases of iron hematite heating mineralogy espectroscopia Mössbauer fases de hierro hematita calentamiento mineralogía In this paper we analyze clay samples obtained from the region of Tunja Boyacá to study the effect of heating temperature in the color of these materials and at the same time as indicative of the nature and distribution of constituents iron oxide Fe2 O3 . These colors are of decorative importance in the manufacture of roofing and brick housing construction. X-ray Fluorescence (XRF), X-ray Diffraction (XRD), Mössbauer Spectroscopy (MS) and Scanning Electron Microscopy (SEM) for samples subjected to heat treatment between (400-1200 ⁰C) was used to assess the evolution of the phases and microstructure in the samples. The results indicate that the spectral properties of the samples are influenced primarily by the mineralogy of Fe. Goethite and hematite phases were identified in all samples. Mössbauer analyzes indicated that with increasing temperature of the raw clay presents an increase in phase of hematite and the red tone from the body of the same, in contrast to samples of yellow tone natural clay . Hematite formation and increased its magnetic ordering is largely due to the disappearance of organic matter and the oxidation of iron ions arranged in mineralogical phases of raw clay. En este trabajo analizamos muestras de arcilla obtenidas de la región de Tunja – Boyacá, con el objetivo de estudiar el efecto de la temperatura de calentamiento en el color de estos materiales y a la vez como indicativo de la naturaleza y la distribución de sus constituyentes de óxidos de hierro Fe2O3. Estos colores son de relevancia estética en la fabricación de cubiertas y ladrillos en construcción de viviendas. Para evaluar la evolución de las fases, su composición y microestructura en las muestras se utilizó Fluorescencia de rayos X (XRF), Difracción de rayos X (DRX), Espectroscopia Mössbauer (EM) y Microscopia electrónica de barrido (SEM) para muestras sometidas a tratamiento térmico entre (400-1200 ⁰C). Los resultados indican que las propiedades espectrales de las muestras están influenciadas principalmente por la mineralogía del Fe. Se identificaron fases de goetita y hematita en todas las muestras. Los análisis Mössbauer indicaron que con el incremento de la temperatura, la arcilla natural presenta un aumento en la fase de hematita que se refleja también en un incremento del tono rojo del cuerpo de la misma, en contraste con muestras de tono amarillo de la arcilla natural. La formación de hematita y el aumento en su ordenamiento magnético se debe en gran parte a la desaparición de la materia orgánica y la transformación de iones de hierro dispuestos en las fases mineralógicas de la arcilla natural. Universidad Pedagógica y Tecnológica de Colombia - UPTC 2016-07-08 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.uptc.edu.co/index.php/ingenieria_sogamoso/article/view/5449 10.19053/1900771X.v16.n2.2016.5449 Ingeniería Investigación y Desarrollo; Vol. 16 No. 2: julio-diciembre de 2016; 84-93 Ingeniería Investigación y Desarrollo; Vol. 16 Núm. 2: julio-diciembre de 2016; 84-93 2422-4324 1900-771X spa https://revistas.uptc.edu.co/index.php/ingenieria_sogamoso/article/view/5449/4520 Derechos de autor 2016 Revista Ingeniería Investigación y Desarrollo |
| spellingShingle | spectroscopy mössbauer phases of iron hematite heating mineralogy espectroscopia Mössbauer fases de hierro hematita calentamiento mineralogía Ruge-Guerrero, Oscar Orlando Martínez-Ovalle, Segundo Agustín Díaz-Lagos, Mercedes Evolution of magnetic phases located in Boyacá clays subject to high temperatures |
| title | Evolution of magnetic phases located in Boyacá clays subject to high temperatures |
| title_alt | Evolución de fases magnéticas presentes en arcillas de Boyacá sometidas a altas temperaturas |
| title_full | Evolution of magnetic phases located in Boyacá clays subject to high temperatures |
| title_fullStr | Evolution of magnetic phases located in Boyacá clays subject to high temperatures |
| title_full_unstemmed | Evolution of magnetic phases located in Boyacá clays subject to high temperatures |
| title_short | Evolution of magnetic phases located in Boyacá clays subject to high temperatures |
| title_sort | evolution of magnetic phases located in boyaca clays subject to high temperatures |
| topic | spectroscopy mössbauer phases of iron hematite heating mineralogy espectroscopia Mössbauer fases de hierro hematita calentamiento mineralogía |
| topic_facet | spectroscopy mössbauer phases of iron hematite heating mineralogy espectroscopia Mössbauer fases de hierro hematita calentamiento mineralogía |
| url | https://revistas.uptc.edu.co/index.php/ingenieria_sogamoso/article/view/5449 |
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