Effect of DC Current on the Creep Deformation of Tin

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 electro...

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Bibliographic Details
Published in:Journal of electronic materials 2010-12, Vol.39 (12), p.2611-2617
Main Authors: Chen, Rong, Yang, Fuqian
Format: Article
Language:English
Subjects:
Applied sciences
Characterization and Evaluation of Materials
Chemistry and Materials Science
Cross-disciplinary physics: materials science
rheology
Deformation
Deformation, plasticity, and creep
Electric currents
Electronics
Electronics and Microelectronics
Exact sciences and technology
Instrumentation
Materials
Materials creep
Materials Science
Optical and Electronic Materials
Physics
Solid State Physics
Tin
Treatment of materials and its effects on microstructure and properties
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Summary: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.
ISSN:0361-5235
1543-186X
DOI:10.1007/s11664-010-1355-5