Influence of imperfect position of a striker and input bar on wave propagation in a split Hopkinson pressure bar (SHPB) setup with a pulse-shape technique

R Panowicz, M Konarzewski - Applied Sciences, 2020 - mdpi.com
The effect of using a pulse shaper technique, such as rounding a striker or applying a pulse
shaper on the signals recorded with the split Hopkinson pressure bar (SHPB) technique …

Microstructural aspects of energy absorption of high manganese steels

MB Jabłońska, K Kowalczyk - Procedia Manufacturing, 2019 - Elsevier
The study presents the results of investigation on two grades of fully austenitic high
manganese steels subjected to dynamic compression with usage of the Split Hopkinson …

Mechanical response of dual phase steel at quasi-static and dynamic tensile loadings after initial fatigue loading

W Moćko, A Brodecki, L Kruszka - Mechanics of Materials, 2016 - Elsevier
This paper presents an analysis of the mechanical behavior of DP500 steel previously
exposed to cyclic loadings with constant stress amplitude. Stress–strain curves were …

Analysis of the plastic deformation of AISI 304 steel induced by the nanosecond laser pulse

W Moćko, J Radziejewska, A Sarzyński… - Optics & Laser …, 2017 - Elsevier
The paper presents result of experimental and numerical tests of plastic deformation of
austenitic steel generated by a nanosecond laser pulse. The shock wave generated by the …

[PDF][PDF] Tensile split Hopkinson bar technique: numerical analysis of the problem of wave disturbance and specimen geometry selection

R Panowicz, J Janiszewski - Metrology and measurement …, 2016 - bibliotekanauki.pl
A method of tensile testing of materials in dynamic conditions based on a slightly modified
compressive split Hopkinson bar system using a shoulder is described in this paper. The …

Effects of pre-fatigue on the strain localization during tensile tests of DP 500 steel at low and high strain rates

W Moćko, A Brodecki… - The Journal of Strain …, 2015 - journals.sagepub.com
The analysis involved subjecting DP 500 steel to pre-fatigue loads, and then tension at high
strain rates using Hopkinson bar. Digital image correlation method was used to investigate …

Strain measuring accuracy with splitting-beam laser extensometer technique at split Hopkinson compression bar experiment

RK Panowicz, M Traczyk… - Bulletin of the Polish …, 2017 - repo.bg.wat.edu.pl
An accuracy problem of strain measurement at compression split Hopkinson compression
bar experiments with a splitting-beam laser extensometer was considered. The splitting …

Comparative experimental study of dynamic compressive strength of mortar with glass and basalt fibres

L Kruszka, W Moćko, L Fenu… - EPJ Web of …, 2015 - epj-conferences.org
Specimen reinforced with glass and basalt fibers were prepared using Standard Portland
cement (CEM I, 52.5 R as prescribed by EN 197-1) and standard sand, in accordance with …

Application of optical field analysis of tensile tests for calibration of the Rusinek–Klepaczko constitutive relation of Ti6Al4V titanium alloy

W Moćko, A Brodecki - Materials & Design, 2015 - Elsevier
In this paper, the application of the Rusinek–Klepaczko relation to describe the constitutive
behaviour of Ti6Al4V titanium alloy with an HCP crystalline structure was proposed. The …

A viscoplastic response of a dual phase steel exposed to prior cyclic loadings

W Moćko, L Kruszka - Mechanics of Materials, 2017 - Elsevier
This paper presents an analysis of the influence of microstructural evolution due to fatigue
loadings on the tensile behavior of a DP 500 dual phase steel. Firstly, the material was …