The dynamic behavior of three high manganese steels with very different stacking faultenergy (SFE) values (4-30 mJ/m2) were studied using high strain rate torsional tests. The hotrolledmicrostructure of the steel with the lowest SFE of 4 mJ/m2 consisted of a duplex mixture ofaustenite and ε-martensite, but those of the other two steels were fully austenitic. The deformedmicrostructures were stu...

Strain-controlled fully reversed fatigue testing, or strain-life provides critical information on material lifetime and damage response. Strain-life data in hydrogen gas environments is missing the literature could provide valuable insights into effects mechanical response of metals such as steel. We adapted existing hydrogen-gas-environment mechanical-testing equipment, which had been designed...

background recently, assessment of the atrial motion and deformation indices obtained via doppler myocardial imaging (dmi) has been proposed as a new method of exploring the atrial function. objective our aim was to assess the right atrial (ra) regional function using myocardial velocities, strain, and strain rate imaging (sri) and compare it with the function of the inter-atrial septum (ias) a...

High-energy internal failures of transformers are catastrophic events which hardly predictable. For this reason, a full-scale controlled experiment represents valuable learning opportunity to gather accurate information about sequence during the very short time in failure occurs. Controlled parameters include tank design, material properties, experimental load and measurements. In paper, we pre...

• Low-cycle fatigue behaviour of nine advanced high-strength steels is studied. Cumulative strain energy density applied as indicator parameter. can successfully assess life. In this paper, the applicability cumulative explored a parameter for subjected to strain-controlled conditions. Firstly, cyclic stress–strain responses steels, selected from three multiphase families, encompassing differen...