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In this paper, the static pressure test and the dynamic pressure shear test of low silver lead-free solders are carried on almighty test machine and Hopkinson compressive shear bar device respectively, and the inclination angle of the compressive shear bar is selected as 0°, 45°, 60° and 75° respectively. Through processing and analyzing experimental data, mechanical behavior characteristics of low...
According to the fluctuation in time which extracted from Celestial bodies Tidal Force (CTF), the paper uses the data of NCEP (National Centers for Environmental Prediction) to analysis the temperature abnormal increase before the Ms5.1 earthquake that occurred in Wen'an, Hebei province of China on July 4, 2006. The temperature change around the epicenter goes through: initial temperature rise ¡úenhancement...
Process flow of wheelset dismantler and the necessity of mechanics analysis about it are described in this paper. The mechanics-action of wheelset dismantler's connected beam in press-fit condition is analysed using universal finite element software ANSYS, connected beaam stresses and deformations are calculated and compared each other. The results indicate that the maximum stress of connected beam...
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