Industrial processes, which lead to the creation of the final components, are potential sources of residual stresses. These can be evaluated, among other techniques, also by HDM-ESPI. This is a powerful approach consisting in detecting, by an optical interferometric technique, the displacements field around a hole drilled in order to get local stress relaxation. However, quality of the recorded images can affect the reliability of the measurement. In this paper some considerations on pixel quality are presented along with some indications about a proper choice of the internal radius of analysis.
The Role Of Pixel Quality In Rs Measurements By Hdm-Espi / Barile, Claudia; Casavola, Caterina; Pappalettera, Giovanni; Pappalettere, Carmine. - (2016), pp. 75-78. (Intervento presentato al convegno 5th International Conference Integrity-Reliability-Failure, IRF2016 tenutosi a Porto, Portugal nel July 24-28, 2016).
The Role Of Pixel Quality In Rs Measurements By Hdm-Espi
Barile, Claudia;Casavola, Caterina;Pappalettera, Giovanni;Pappalettere, Carmine
2016-01-01
Abstract
Industrial processes, which lead to the creation of the final components, are potential sources of residual stresses. These can be evaluated, among other techniques, also by HDM-ESPI. This is a powerful approach consisting in detecting, by an optical interferometric technique, the displacements field around a hole drilled in order to get local stress relaxation. However, quality of the recorded images can affect the reliability of the measurement. In this paper some considerations on pixel quality are presented along with some indications about a proper choice of the internal radius of analysis.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
