Impression creep testing of tin was performed in the temperature range of 343 K to 398 K and under a punching stress of 12 MPa to 55 MPa. During the impression test at constant load, a direct electric current in the range of 0 A to 6 A flowed through the punch into the sample, introducing an electromechanical interaction. Steady-state creep was observed under the simultaneous action of the electric current and mechanical stress. The steady-state impression velocity increased with increasing temperature, punching stress, and electric current. A hyperbolic sine relation was used to describe the stress dependence of the steady-state impression velocity for impression creep of tin. The apparent activation energy decreased with increasing electric current.
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Chen, R., Yang, F. Effect of DC Current on the Creep Deformation of Tin. J. Electron. Mater. 39, 2611–2617 (2010). https://doi.org/10.1007/s11664-010-1355-5
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DOI: https://doi.org/10.1007/s11664-010-1355-5