This paper describes the process of mechanical characterization of specimens built via Selective Laser Melting (SLM). An hybrid approach based on the combination of phase-shifting electronic speckle pattern interferometry (PS-ESPI) and finite element analysis is utilized. Three-point-bending experimental tests are carried out. The difference between displacement values measured with ESPI and their counterpart predicted by FEM analysis is minimized in order to find the values of the unknown elastic constants.

Mechanical characterization of SLM specimens with speckle interferometry and numerical optimization

Barile, C;Casavola, C;Pappalettera, G;Pappalettere, C
2011

Abstract

This paper describes the process of mechanical characterization of specimens built via Selective Laser Melting (SLM). An hybrid approach based on the combination of phase-shifting electronic speckle pattern interferometry (PS-ESPI) and finite element analysis is utilized. Three-point-bending experimental tests are carried out. The difference between displacement values measured with ESPI and their counterpart predicted by FEM analysis is minimized in order to find the values of the unknown elastic constants.
2010 Annual Conference on Experimental and Applied Mechanics
978-1-4419-9497-4
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11589/12489
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