| Revista: | Materials research |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000312798 |
| ISSN: | 1516-1439 |
| Autors: | Oliveira, Fabiana Goia Rosa de1 Candian, Marcela2 Lucchette, Francieli F Salgon, Jose Luis Sales, Almir |
| Institucions: | 1Universidade de Sao Paulo, Sao Carlos, Sao Paulo. Brasil 2Universidade Federal de Sao Carlos, Departamento de Engenharia Civil, Sao Carlos, Sao Paulo. Brasil |
| Any: | 2005 |
| Període: | Ene-Mar |
| Volum: | 8 |
| Número: | 1 |
| Paginació: | 11-14 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Nota breve o noticia |
| Enfoque: | Experimental |
| Resumen en inglés | This paper discusses the application of ultrasound waves on a Brazilian hardwood, Goupia glabra, to evaluate the sensitivity of the ultrasonic technique to the moisture content in wood. The velocity of ultrasonic wave is sensitive to the material's quality-determining factors; hence, this technique is an important industrial tool to improve the quality control of processes. The nature of the response of velocity of sound to changes in moisture content led us to conclude that moisture gradients during drying exert a dominating effect. The ultrasonic velocity was measured both parallel and perpendicular to the fibers of Goupia glabra during drying from green to 6% moisture content. The results of this study showed that velocity of ultrasonic waves is sensitive to changes in moisture content of lumber during drying. The velocity under dry conditions was always higher than the velocity under more humid conditions, in both directions of propagation |
| Disciplines | Ingeniería |
| Paraules clau: | Ingeniería de materiales, Ingeniería industrial, Ingeniería mecánica, Madera, Goupia glabra, Secado, Ondas, Ultrasonido, Propiedades mecánicas |
| Keyword: | Engineering, Industrial engineering, Materials engineering, Mechanical engineering, Wood, Goupia glabra, Drying, Waves, Ultrasound, Mechanical properties |
| Text complet: | Texto completo (Ver HTML) |
