Journal
MATERIALS LETTERS
Volume 304, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.130680
Keywords
Electroplasticity; Pulsed current; Tensile test; SFE; Duplex; Stagnation theory
Funding
- PuCEAF project, Progetti SID 2019, Universita degli Studi di Padova [CALL_SID19_01]
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The study found that the duplex stainless steel exhibited increased fracture strain and uniform elongation under the influence of pulsed electrical current, while the ultimate tensile strength and yield strength were minimally affected.
Electroplastic Effect (EPE) is the influence of electrical current on the microstructure and the plastic flow of materials. In this work, duplex stainless steel UNS S32750 has undergone uniaxial tensile tests with the aid of pulsed electrical current. Different current densities and thermal tests were conducted to separate the EPE from the heating effect. The tested material shows an increase in fracture strain and uniform elongation, while ultimate tensile strength and yield strength were barely affected.
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