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According to the Pro/Mechanica analysis platform, by the finite element analysis method, the actual mold honeycomb molded forces, boundary conditions and imposed load in the view of the molded honeycomb mold for the actual operating conditions leading to die due to stress concentration fatigue failure, the reliability of the problem of insufficient. Through the analysis to determine the maximum stress...
This paper presents a method mining the worst thermal fatigue life of solder joints on chip components used in vehicle electronics. Thermal fatigue life of crack initiation and propagation were calculated by using the finite element method. Statistical analysis of thermal fatigue life in the solder layer below the chip component was carried out. A sample of dispersed fatigue lives was generated by...
In December 2007, the Army Acquisition Executive approved the new Army Reliability Policy. The policy was developed to cost-effectively increase the reliability of Army systems. The new policy encourages use of cost-effective reliability best practices and provides a mechanism to alert key Army leaders when weapon systems are off track with respect to meeting their reliability requirements. One of...
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