Search Results - "Vollmer, Malte"

Influence of Defects and Microstructure on the Thermal Expansion Behavior and the Mechanical Properties of Additively Manufactured Fe-36Ni by Kahlert, Moritz, Wegener, Thomas, Laabs, Leonard, Vollmer, Malte, Niendorf, Thomas

“…Laser-based powder bed fusion of metals (PBF-LB/M) is a widely used additive manufacturing process characterized by a high degree of design freedom. As a…”
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Tribological Performance of Additively Manufactured AISI H13 Steel in Different Surface Conditions by Guenther, Elisabeth, Kahlert, Moritz, Vollmer, Malte, Niendorf, Thomas, Greiner, Christian

“…Additive manufacturing of metallic tribological components offers unprecedented degrees of freedom, but the surface roughness of most as-printed surfaces…”
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Reconstruction of incomplete X-ray diffraction pole figures of oligocrystalline materials using deep learning by Meier, David, Ragunathan, Rishan, Degener, Sebastian, Liehr, Alexander, Vollmer, Malte, Niendorf, Thomas, Sick, Bernhard

“…X-ray diffraction crystallography allows non-destructive examination of crystal structures. Furthermore, it has low requirements regarding surface preparation,…”
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Effect of Fibre Material and Fibre Roughness on the Pullout Behaviour of Metallic Micro Fibres Embedded in UHPC by Wiemer, Niels, Wetzel, Alexander, Schleiting, Maximilian, Krooß, Philipp, Vollmer, Malte, Niendorf, Thomas, Böhm, Stefan, Middendorf, Bernhard

“…The use of micro fibres in Ultra-High-Performance Concrete (UHPC) as reinforcement increases tensile strength and especially improves the post-cracking…”
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Laser Powder Bed Fusion Processing of Fe-Mn-Al-Ni Shape Memory Alloy—On the Effect of Elevated Platform Temperatures by Ewald, Felix Clemens, Brenne, Florian, Gustmann, Tobias, Vollmer, Malte, Krooß, Philipp, Niendorf, Thomas

“…In order to overcome constraints related to crack formation during additive processing (laser powder bed fusion, L-BPF) of Fe-Mn-Al-Ni, the potential of…”
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Microstructural Evolution and Functional Properties of Fe-Mn-Al-Ni Shape Memory Alloy Processed by Selective Laser Melting by Niendorf, Thomas, Brenne, Florian, Krooß, Philipp, Vollmer, Malte, Günther, Johannes, Schwarze, Dieter, Biermann, Horst

“…In the current study, a Fe-Mn-Al-Ni shape memory alloy is processed by additive manufacturing for the first time. Microstructural evolution upon processing is…”
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Microstructural Constituents and Mechanical Properties of Low-Density Fe-Cr-Ni-Mn-Al-C Stainless Steels by Scherbring, Steffen, Chen, Guanghui, Veltel, Bastian, Bartzsch, Gert, Richter, Julia, Vollmer, Malte, Blankenburg, Malte, Shyamal, Saikat, Volkova, Olena, Niendorf, Thomas, Lienert, Ulrich, Sahu, Puspendu, Mola, Javad

“…Metallic material concepts associated with the sustainable and efficient use of resources are currently the subject of intensive research. Al addition to steel…”
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Structural and superelastic properties of Fe–Mn–Al–Ni shape memory alloy sheets produced on industrial process routes by hot rolling by Bauer, André, Vollmer, Malte, Viebranz, Vincent Fabian, Maier, Hans Jürgen, Niendorf, Thomas

“…In the present study the structural and functional properties of Fe–Mn–Al–Ni shape memory alloy sheets produced on an industrial process route focusing on hot…”
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Damage evolution in pseudoelastic polycrystalline Co–Ni–Ga high-temperature shape memory alloys by Vollmer, Malte, Krooß, Philipp, Segel, Christian, Weidner, Anja, Paulsen, Alexander, Frenzel, Jan, Schaper, Mirko, Eggeler, Gunther, Maier, Hans Jürgen, Niendorf, Thomas

“…•Thermo-mechanical processing was applied to Co–Ni–Ga HT SMAs.•Grain size and texture are key parameters for pseudoelastic performance.•Bamboo-like structures…”
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Hot Work Tool Steel Processed by Laser Powder Bed Fusion: A Review on Most Relevant Influencing Factors by Wu, Liang, Das, Suvajeet, Gridin, Witalij, Leuders, Stefan, Kahlert, Moritz, Vollmer, Malte, Niendorf, Thomas

“…As a representative of a common carbon‐bearing hot work tool steel AISI H13 is in focus of the present review paper. Most relevant details for processing of…”
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Influence of Microstructure and Defects on Mechanical Properties of AISI H13 Manufactured by Electron Beam Powder Bed Fusion by Kahlert, Moritz, Brenne, Florian, Vollmer, Malte, Niendorf, Thomas

“…Electron beam powder bed fusion (E-PBF) is a well-known additive manufacturing process. Components are realized based on layer-by-layer melting of metal…”
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The effect of γ′-martensite on the corrosion resistance of an Fe-Mn-Al-Ni-Cr shape memory alloy in a sodium chloride solution by Frenck, Johanna-Maria, Vollmer, Malte, Niendorf, Thomas

“…[Display omitted] •the passive behavior deteriorates with an increasing amount of martensitic phase.•occurrence of surface corrosion in a fully austenitc…”
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Fatigue Strength Prediction for Titanium Alloy TiAl6V4 Manufactured by Selective Laser Melting by Leuders, Stefan, Vollmer, Malte, Brenne, Florian, Tröster, Thomas, Niendorf, Thomas

“…Selective laser melting (SLM), as a metalworking additive manufacturing technique, received considerable attention from industry and academia due to…”
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Electrochemical characterization of Fe-Mn-Al-Ni shape memory alloy in an alkaline solution contaminated with Cl- ions by Frenck, Johanna-Maria, Link, Janna, Vollmer, Malte, Niendorf, Thomas

“…•Passivity in a 0.05 M KOH solution is unaffected by microstructural differences.•Chloride contamination changes the corrosion properties from passive to…”
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A comparative study using water atomized and gas atomized powder in laser powder bed fusion – Assessment of the fatigue performance by Richter, Julia, Torrent, Christof Johannes Jaime, Krochmal, Marcel, Wegener, Thomas, Vollmer, Malte, Niendorf, Thomas

“…•Water and gas atomized powder were applied in PBF-LB/M process obtaining a relative density of 99.9% irrespective of the initial powder.•Under tensile…”
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On the structural integrity and fatigue performance of additively manufactured Ti-6Al-4V parts processed using mechanically recycled powders by Richter, Julia, Wegener, Thomas, Kratzsch, Robert, Vollmer, Malte, Peuker, Urs, Niendorf, Thomas

“…•Additively manufactured support structures were comminuted into powder mechanically.•The recycled powder was mixed in different fractions with virgin…”
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On the Influence of Microstructure on the Corrosion Behavior of Fe–Mn–Al–Ni Shape Memory Alloy in 5.0 wt% NaCl Solution by Frenck, Johanna-Maria, Vollmer, Malte, Mandel, Marcel, Krüger, Lutz, Niendorf, Thomas

“…Herein the corrosion behavior of Fe–Mn–Al–Ni shape memory alloys characterized by different microstructures in a 5.0 wt% NaCl solution is investigated. Open…”
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Tailoring flow behavior and heat transfer in tempering channels for high-pressure die casting—analysis of potentials of commercial static mixers and prospects of additive manufacturing by Sode, Marco, Kahlert, Moritz, Arold, Tizian, Fros, Adam Peter, Vollmer, Malte, Niendorf, Thomas, Fehlbier, Martin

“…Additive manufacturing (AM) opens up manifold possibilities to influence the heat transfer between fluid and die in high-pressure die casting (HPDC),…”
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Thermodynamically Guided Improvement of Fe–Mn–Al–Ni Shape‐Memory Alloys by Walnsch, Alexander, Bauer, André, Freudenberger, Jens, Freiberg, Katharina, Wüstefeld, Christina, Vollmer, Malte, Lippmann, Stephanie, Niendorf, Thomas, Leineweber, Andreas, Kriegel, Mario J.

“…A microstructural informed thermodynamic model is utilized to tailor the pseudoelastic performance of a series of Fe–Mn–Al–Ni shape‐memory alloys. Following…”
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In situ characterization of the functional degradation of a [001¯] orientated Fe–Mn–Al–Ni single crystal under compression using acoustic emission measurements by Weidner, Anja, Vinogradov, Alexei, Vollmer, Malte, Krooß, Phillip, Kriegel, Mario J., Klemm, Volker, Chumlyakov, Yuri, Niendorf, Thomas, Biermann, Horst

“…Acoustic emission (AE) measurements were conducted in situ during cyclic compressive loading on an [001¯] orientated single crystal of Fe-Mn-Al-Ni shape memory…”
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