Highly Automated Routine Analysis - Example Results

Solder Joint Deformation

Controller Board (PWA PN95145)
Extreme Solder Joint Shear Strain
Deformation PBAM:

PBAM Options

1. Extensional

(formula-based)
3. Plane Strain

(FEA-based)
4. 3D Continuum

(FEA-based)
Solder Model: Viscoplastic Linear Nonlinear Linear Nonlinear
Solder Joint Geometry: 1D Rectangular Detailed Detailed Detailed Detailed

Thermal Cycling , T = -55 to 125 C
R106, SMD 1206 resistor #1
0.0233
#2
0.0270
#3
0.0098
#4
0.0119
#5
0.0081
#6
NA
U102, LCCC-52 uprocessor #51
0.0293
#52
0.0167

Power Cycling , Tref = 20 C
R106, SMD 1206 resistor
Tc = 89 C
#11
0.0043
#12
0.0088
#13
0.0036
#14
0.0025
#15
NA
#16
NA
U102, LCCC-52 uprocessor
Tc = 96 C
#61
0.0293
#62
0.0167
 


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