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Fatigue damage tests were carried on polychloroprene rubber using a loading sequence with alternate blocks of two force amplitudes, one being damaging and the other not, and carried until the failure of the dumbbell-shaped samples. The duration of the blocks was investigated and chosen to be higher than 20% of the fatigue life of the damaging loading. The presence of cracks was assured by preliminary...
Rubber-like materials are widely used in the industry, aeronautic or automotive. In these applications, fatigue damage must be taken into account, which requires very long and costly experimental campaigns. One of the main goals of the research on this kind of materials is to improve the prediction of fatigue life with shorter and cheaper tests. This paper describes the first part of an ongoing research...
To secure the reliability of lead free solder is a critical problem for microelectronics packaging. The drop test is used to characterize the reliability of the soldered assemblies. Numerical simulation techniques are popularly used for such tests to reduce the cost. A proper working combination of the damage criterion and the numerical simulation to predict fatigue life is still an unsolved problem...
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