Caracterización dimensional con ultrasonido por arreglo de fases de discontinuidades inducidas en acero ASTM A36 mediante procesos de electroerosión y soldadura SMAW W
Publicado 2021-06-07
Palabras clave
- entallas mecanizadas por electroerosión,
- escaneo sectorial,
- ultrasonido por arreglo de fases,
- resolución angular,
- EDM
- PAUT,
- S-Scan ...Más
Cómo citar
Resumen
En esta investigación se evaluó el efecto que tienen las variables de la técnica de ultrasonido con arreglo de fases en los escaneos con haz angular sectorial “S-Scan” y la morfología geométrica de las discontinuadas planares como la inclinación respecto al haz ultrasónico y la forma del extremo sobre la exactitud en las mediciones. El estudio se desarrolló en dos etapas: en la primera se diseñaron y elaboraron ocho muestras de acero ASTM A36 con entallas mecanizadas mediante electroerosión por penetración y una muestra soldada con falta de penetración en una soldadura a tope; y en la segunda la medición del tamaño de las discontinuidades a partir de mediciones con ultrasonido empleando diferentes configuraciones del arreglo de fases. Mediante análisis estadístico se determinó el efecto de cada variable y configuraciones de inspección con errores entre 0,2 % y 120 %.
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Referencias
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