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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Gonzalez-Mota, R. Ortiz-Morales, M. Rosales-Candelas, I. Acosta-Ortiz, S. E. Soto-Bernal, J. J. Frausto-Reyes, C. |
| Description | Author Affiliation: Ortiz-Morales M ( Instituto Tecnológico de Aguascalientes, Lab. de Optoelectronica, Av. A. Lopez Mateos 1801 Ote. Fracc Bonagens, Aguascalientes 20256, Mexico); Frausto-Reyes C ( Centro de Investigaciones en Óptica, A.C. Prol. Constitución 607, Fracc. Reserva Loma Bonita, Aguascalientes 20200, Mexico.); Soto-Bernal JJ ( Instituto Tecnológico de Aguascalientes, Lab. de Optoelectronica, Av. A. Lopez Mateos 1801 Ote. Fracc Bonagens, Aguascalientes 20256, Mexico.); Acosta-Ortiz SE ( Lasertech, S.A. de C.V. Blvd. Olivares Santana 113, Fracc. El Dorado, Aguascalientes 20235, Mexico.); Gonzalez-Mota R ( Instituto Tecnológico de Aguascalientes, Lab. de Optoelectronica, Av. A. Lopez Mateos 1801 Ote. Fracc Bonagens, Aguascalientes 20256, Mexico.); Rosales-Candelas I ( Instituto Tecnológico de Aguascalientes, Lab. de Optoelectronica, Av. A. Lopez Mateos 1801 Ote. Fracc Bonagens, Aguascalientes 20256, Mexico.) |
| Abstract | Nanosecond-pulsed, infrared (1064 nm) laser irradiation was used to create periodic metal oxide coatings on the surface of two samples of commercial stainless steel at ambient conditions. A pattern of four different metal oxide zones was created using a galvanometer scanning head and a focused laser beam over each sample. This pattern is related to traverse direction of the laser beam scanning. Energy-dispersive X-ray spectroscopy (EDS) was used to find the elemental composition and Raman spectroscopy to characterize each oxide zone. Pulsed laser irradiation modified the composition of the stainless steel samples, affecting the concentration of the main components within each heat affected zone. The Raman spectra of the generated oxides have different intensity profiles, which suggest different oxide phases such as magnetite and maghemite. In addition, these oxides are not sensible to the laser power of the Raman system, as are the iron oxide powders reported in the literature. These experiments show that it is possible to generate periodic patterns of various iron oxide zones by laser irradiation, of stainless steel at ambient conditions, and that Raman spectroscopy is a useful punctual technique for the analysis and inspection of small oxide areas. |
| ISSN | 13861425 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Volume Number | 128 |
| e-ISSN | 18733557 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-07-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ferric Compounds Analysis Infrared Rays Lasers Stainless Steel Chemistry Spectrum Analysis, Raman Methods Journal Article Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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