Volume 6: Electronics and Photonics 2008
DOI: 10.1115/imece2008-68891
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Simulation of Dynamic Fracture Along Solder-Pad Interfaces Using a Cohesive Zone Model

Abstract: In this paper, dynamic fracture of a single solder joint specimen is numerically simulated using the finite element method. The solder-IMC and IMC-Cu pad interfaces are modeled as cohesive zones. The simulated results show that under pure tensile loading, damage typically starts at the edge of the solder-IMC interface, then moves to IMC-Cu pad interface. Eventual failure is typically a brittle interfacial failure of the IMC-Cu interface.

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Cited by 12 publications
(4 citation statements)
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“…The main advantages of micro-Raman spectroscopy are its easy use and its ability to identify and crystals [ 15 ]. Digregorio et al used Raman spectroscopy to measure residual stress in the SiC near the surface of the composites and found that the measured decrease in stress with increasing packing fraction is consistent with theoretical predictions based on micromechanics [ 16 ], as with several other relevant studies [ 17 , 18 , 19 , 20 , 21 ].…”
Section: Introductionsupporting
confidence: 64%
“…The main advantages of micro-Raman spectroscopy are its easy use and its ability to identify and crystals [ 15 ]. Digregorio et al used Raman spectroscopy to measure residual stress in the SiC near the surface of the composites and found that the measured decrease in stress with increasing packing fraction is consistent with theoretical predictions based on micromechanics [ 16 ], as with several other relevant studies [ 17 , 18 , 19 , 20 , 21 ].…”
Section: Introductionsupporting
confidence: 64%
“…In the current study, the solder ball is still regarded as a homogenous structure in order to simplify the numerical simulation. However, the elastic-plastic deformation of lead-free solder ball was extracted inversely from the experimental force-displacement curve, and more details can be found in [17]. Figure 1b illustrates a typical failure of single solder joint after tensile loading.…”
Section: Methodsmentioning
confidence: 99%
“…where ‹› is called Macaulay brackets and reflects a zero value for compressive form of t n because compression does not have any effect on the damage initiation phenomenon [24].…”
Section: Damage Initiationmentioning
confidence: 99%