Search Results - "Džugan, J."

Effect of laser power on thermal properties of multimaterial structure Inconel 718 and stainless steel 316L processed by directed energy deposition by Halmešová, K., Trojanová, Z., Koukolíková, M., Brázda, M., Džugan, J., Huang, WC

“…Multimaterial structures, together with additive manufacturing, promise the variety of combinations of different materials for attainment of adapted features…”
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Thermo-physical properties investigation in relation to deposition orientation for SLM deposited H13 steel by Džugan, J., Halmešová, K., Ackermann, M., Koukolíková, M., Trojanová, Z.

“…•Thermal properties of SLM H13 steel were investigated.•Perpendicular samples had higher density of imperfections and the lowest ductility.•Thermal properties…”
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Influence of the thermal history on the phase composition of laser directed energy deposited Ti-8.5 wt% Mo alloy by Krajňák, T., Janeček, M., Kozlík, J., Preisler, D., Stráský, J., Brázda, M., Kout, J., Halmešová, K., Džugan, J.

“…[Display omitted] •Samples from Ti and Ti-15Mo powders were produced by direct laser deposition.•Preheating leads to better homogenization and α + β…”
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Phase-field ductile fracture analysis of multi-materials and functionally graded composites through numerical and experimental methods by Azinpour, E., Rzepa, S., Melzer, D., Reis, A., Džugan, J., Cesar de Sa, J.M.A.

“…•Fracture analysis in multi-materials and functionally graded materials (FGMs) using phase-field ductile fracture model.•Estimating the elastic-plastic and…”
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Microstructure evolution in compositionally graded Ti(4–12 wt% Mo) prepared by laser directed energy deposition by Krajňák, T., Janeček, M., Preisler, D., Stráský, J., Kozlík, J., Škraban, T., Brázda, M., Džugan, J.

“…Compositionally graded Ti(4–12 wt% Mo) alloys were successfully prepared by laser directed energy deposition (L-DED) using two hoppers from Ti and Ti-15Mo…”
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Calibration of fracture locus in scope of uncoupled elastic–plastic-ductile fracture material models by Španiel, M., Prantl, A., Džugan, J., Ru˚žička, J., Moravec, M., Kuželka, J.

“…•We performed uncoupled elastic–plastic - damage material calibration.•We used custom design specimens and testing devices to perform all experiments.•We…”
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Anisotropy of Thermal Expansion in an AZ31 Magnesium Alloy Subjected to the Accumulative Roll Bonding by Drozd, Z., Trojanová, Z., Halmešová, K., Džugan, J., Lukáč, P., Minárik, P.

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Effect of Accumulative Roll Bonding of an AZ31 Alloy on the Microstructure and Tensile Stress by Trojanová, Z., Džugan, J., Halmešová, K., Németh, G., Minárik, P., Lukáč, P.

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Application of the normalization method for the determination of J– R curves by Džugan, J., Viehrig, H.-W.

“…The performance of the normalization method (NM) is evaluated and compared with the standard unloading-compliance method of fracture-toughness analysis for a…”
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ICFPD method application for crack initiation determination for Charpy size 3-point bend specimens by Brémand, Fabrice, Džugan, J., Viehrig, H.W.

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Application of micro-tensile test for material characterization of mild steel DC01 by Konopik, P., Farahnak, P., Rund, M., Prochazka, R., Dzugan, J.

“…During recent years, material characterization based on miniature tensile specimens has been investigated extensively. The Small Punch Test (SPT) is often used…”
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Finite element simulation of plasticity and fracture for Inconel 718 deposited by laser powder bed fusion – Chances, use and challenges by Holfelder, P., Brenner, F., Rund, M., Witte, A., Junghans, S., Seyfert, C., Richter, M., Dell, H., Koukolikova, M., Gese, H., Džugan, J.

“…Laser Powder Bed Fusion (LPBF), is used to produce a component in layers by selective re-melting of a metal powder bed. A powder layer of an alloy is applied…”
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Strain Hardening in an AZ31 Alloy Submitted to Rotary Swaging by Trojanová, Zuzanka, Drozd, Zdeněk, Halmešová, Kristýna, Džugan, Ján, Škraban, Tomáš, Minárik, Peter, Németh, Gergely, Lukáč, Pavel

“…An extruded magnesium AZ31 magnesium alloy was processed by rotary swaging (RSW) and then deformed by tension and compression at room temperature. The…”
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Effects of thickness and orientation on the small scale fracture behaviour of additively manufactured Ti-6Al-4V by Dzugan, J., Seifi, M., Prochazka, R., Rund, M., Podany, P., Konopik, P., Lewandowski, J.J.

“…The effects of sample location, orientation, and thickness on the microstructure and resulting tensile properties of miniature SLM and SEBM AM samples of…”
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Fisheries governance and associated health implications: Current perspectives from US commercial fishermen by Sorensen, JA, Kincl, L., Weil, R., Dzugan, J., Christel, D.

“…Developing useful regulations that lead to intended effects from originating legislation can be a challenge for those entities that are implementing and…”
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Some issues by using the master curve concept by Viehrig, H.-W, Boehmert, J, Dzugan, J

“…The master curve concept allows to quantify the variation of fracture toughness with the temperature throughout the ductile-to-brittle transition region. Limit…”
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The effects of post-processing on the local fracture toughness properties of electron beam powder bed fusion Ti-6Al-4V alloy by Dzugan, J., Seifi, M., Rzepa, S., Rund, M., Koukolikova, M., Viehrig, H.-W., Liu, Z.H., Lewandowski, J.J.

“…•Small-sized specimen techniques were developed and applied to determine fracture critical properties representative for actual products produced by Electron…”
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ASTM interlaboratory study on tensile testing of AM deposited and wrought steel using miniature specimens by Dzugan, J., Lucon, E., Koukolikova, M., Li, Y., Rzepa, S., Yasin, M.S., Shao, S., Shamsaei, N., Seifi, M., Lodeiro, M., Lefebvre, F., Mayer, U., Olbricht, J., Houska, M., Mentl, V., You, Z.

“…•New data on statistical performance of small sized tensile specimens.•Comparison of ILS on small size specimens with results of previous ILS on standard size…”
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Factors affecting Al-C bond reactivity of tetradentate Schiff-base organoaluminum complexes by DZUGAN, S. J, GOEDKEN, V. L

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Synthesis and characterization of new cobalt dioxygen carriers based on a familiar macrocyclic ligand by Dzugan, Sharlene J, Busch, Daryle H

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