Untersuchung des mehrachsigen elektro-mechanischen Materialverhalten von ferroelektrischen Keramiken

Multi-axial electromechanical constitutive behavior of ferroelectric ceramic solids will be investigated by the method of experiment. Tension-torsion and bi-axial tension tests will be performed on tubular and planar specimens, respectively. Effect of the multi-axial mechanical loading upon the electric behavior will be quantified, in terms of the stress-strain curves, the electric field-electric displacement curves and, most importantly, the electromechanical "yield surface". These multi-axial results, once available, are the basis for future development of phenomenological constitutive laws and for further study of the sensitivity of ferroelectric solids to flaws.

DFG Programme Research Grants

International Connection China

Participating Person Professor Dr. Ya-Peng Shen