T1 - Three-dimensional (3D) visualization of reflow porosity and modeling of deformation in Pb-free solder joints The presence, size, and location of voids significantly increased the severity of strain localization at the solder/copper interface.",
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In addition, the 3D virtual microstructure was incorporated into a finite element model to quantify the effect of voids on the lap shear behavior of a solder joint. The size and distribution of porosity size were visualized in 3D for four different solder joints. The characteristics of reflow porosity, including volume fraction and distribution, were investigated for two reflow profiles. In this paper we describe a technique utilizing high resolution (< 1 μm) X-ray tomography for the three-dimensional (3D) visualization of pores in Sn-3.9Ag-0.7Cu/Cu joints. Furthermore, the 3D microstructure of the material can be used in finite element models to understand their effect on microscopic deformation. With the enhancements in high resolution computed tomography (CT), the detection limits of intrinsic microstructures have been significantly improved. Most of the techniques used to characterize the three-dimensional (3D) nature of these defects are destructive. The presence, size, and location of voids significantly increased the severity of strain localization at the solder/copper interface.Ībstract = "The volume, size, and dispersion of porosity in solder joints are known to affect mechanical performance and reliability. 38 (5/W16), Trento (Italy).The volume, size, and dispersion of porosity in solder joints are known to affect mechanical performance and reliability.
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Archives of Photogrammetry and Remote Sensing and Spatial Information Sciences, Vol. The survey of the royal pantheon in the basilica of San Isidoro (Leon)”, Int. (2011): “Comparing time-of-flight and phase-shift.
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SAN JOSE ALONSO, J.I., MARTINEZ RUBIO, J., FERNANDEZ MARTIN, J.J., GARCIA FERNANDEZ, J. (2011): “The Etruscan in 3D: from space to underground”, Proc. REMONDINO, F., RIZZI, A., JIMENEZ, B., AGUGIARO, G., BARATTI, G., DE AMICIS, R. (2011): “Heritage Recording and 3D Modeling with Photogrammetry and 3D Scanning”, in Remote Sensing, Vol. (2011): “Automated image-based procedures for accurate artifacts 3D modeling and orthoimage generation”. PIERROT-DESEILLIGNY, M., DE LUCA, L., REMONDINO, F. (2010): “Restitucion de datos laser escaner para el analisis del deterioro de bovedas de ladrillo”, Proceedings of del X Congreso Internacional Expresión Gráfica aplicada a la Edificación, Alicante, Spain, Vol. (2012): Remote rendering and visualization of large textured 3D models.
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ABATE, D., MIGLIORI, S., PIERATTINI, S., JIMENEZ, B., RIZZI, A., REMONDINO, F.