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Mechanical fatigue assessment of SAC305 solder joints under harmonic and random vibrations

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Academic year: 2021

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Figure 1 Experimental setup for isothermal vibration tests  The temperature range is selected according to typical  temperatures  observed  in  aerospace  and  military  environments
Figure 3 Experimental setup for scanning vibrometer  measurements 00,050,10,150,20,2505001000 1500 2000!"#$%&'()*+$Frequency (Hz) 4.00 Grms6,32 Grms8.90 GrmsStrain gage
Figure 4 Experimental and calculated modal deflections for the  tested loading levels
Figure 6 Pseudo-fatigue curves for FBGA1152, LCC68 and  PBGA324 solder joints
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