NDT.net Nov 2003, Vol. 8 No.11

EFFECT OF SURFACE ROUGNESS IN ULTRASONIC TESTING (PULSE-ECHO BY DIRECT CONTACT) IN AISI/SAE 4340 STEEL SAMPLES

E. Rodrםguez
Departamento de Tecnologםa Industrial
U.S.B. Caracas-Venezuela, eprato@usb.ve.
F. Fraudita
Escuela de Ingenierםa Metalתrgica y Ciencias de los Materiales
U.C.V. Caracas-Venezuela, frauditafa@mixmail.com.
y L. Amorer
Departamento de Fםsica Aplicada de la Facultad de Ingenierםa,
U.C.V. Caracas-Venezuela, amorerl@camelot.rect.ucv.ve

Paper presented at the 8th ECNDT, Barcelona, June 2002


Abstract

Introduction

The Experiment

Samples

Ultrasonic Inspection

Data Processing

Spectral Analysis

Conclusions

References

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