
Proceedings Paper
Study of the thermo-elastic stress analysis (TSA) sensitivity in the evaluation of residual stress in non-ferrous metalFormat | Member Price | Non-Member Price |
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Paper Abstract
The Thermoelastic Stress Analysis (TSA) is a contactless technique able to determine the superficial stress of a component subjected to a dynamic load in a linear elastic field. In these conditions the thermoelastic effect shows the generation of small reversible temperature variations. In this work, a general equation was obtained for the evaluation of the thermoelastic signal. The proposed equation is valid under adiabatic and isentropic conditions, for generalized homogeneous and anisotropic materials in any load condition. By using the proposed generalized equation, TSA sensitivity to the variation of the physical and mechanical material characteristics and TSA sensitivity in the determination of residual stresses were studied. The case studies for performing numerical simulations were represented by AA6082 and Ti6Al4V non-ferrous metals. The results were then compared with the data obtained from experimental tests performed on AA 6082 samples.
Paper Details
Date Published: 2 May 2019
PDF: 14 pages
Proc. SPIE 11004, Thermosense: Thermal Infrared Applications XLI, 110040O (2 May 2019); doi: 10.1117/12.2518400
Published in SPIE Proceedings Vol. 11004:
Thermosense: Thermal Infrared Applications XLI
Jaap de Vries; Beate Oswald-Tranta, Editor(s)
PDF: 14 pages
Proc. SPIE 11004, Thermosense: Thermal Infrared Applications XLI, 110040O (2 May 2019); doi: 10.1117/12.2518400
Show Author Affiliations
D. Palumbo, Politecnico di Bari (Italy)
U. Galietti, Politecnico di Bari (Italy)
U. Galietti, Politecnico di Bari (Italy)
Published in SPIE Proceedings Vol. 11004:
Thermosense: Thermal Infrared Applications XLI
Jaap de Vries; Beate Oswald-Tranta, Editor(s)
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