Search Results - "Leyens, C."

Influence of process parameter variation on the microstructure of thin walls made of Inconel 718 deposited via laser-based directed energy deposition with blown powder by Mueller, M., Franz, K., Riede, M., López, E., Brueckner, F., Leyens, C.

“…In laser-based directed energy deposition (L-DED) of Inconel 718 the microstructure of the fabricated components strongly depends on the applied process…”
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Titanium Alloys for Aerospace Applications by Peters, M., Kumpfert, J., Ward, C.H., Leyens, C.

“…There is probably no other material more closely related to aerospace than titanium and its alloys. With a density of 4.5g/cm3, titanium alloys are only about…”
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High strength and ductility of electron beam melted β stabilized γ-TiAl alloy at 800°C by Narayana, P.L., Li, Cheng-Lin, Kim, Seong-Woong, Kim, Seung-Eon, Marquardt, A., Leyens, C., Reddy, N.S., Yeom, Jong-Taek, Hong, Jae-Keun

“…A nearly fully dense β stabilized γ-TiAl alloy was additively manufactured by electron beam melting. The as-fabricated specimen exhibited a fine structure…”
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Characterization of Cr–Al–C and Cr–Al–C–Y films synthesized by High Power Impulse Magnetron Sputtering at a low deposition temperature by Berger, O., Leyens, C., Heinze, S., Boucher, R., Ruhnow, M.

“…A focus point in this work was the study of the influence of a low substrate temperature, as well as the minor addition of Y (0.1–0.3at.%), on the formation of…”
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Laser fusion cutting: evaluation of gas boundary layer flow state, momentum and heat transfer by Borkmann, M, Mahrle, A, Beyer, E, Leyens, C

“…Abstract The present work deals with the evaluation of gas boundary layer characteristics under conditions of a high-pressurized gas flow through narrow kerfs…”
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Shot peening on the high-strength wrought magnesium alloy AZ80—Effect of peening media by Zhang, P., Lindemann, J., Leyens, C.

“…Influence of shot peening media on fatigue performance of the high-strength wrought magnesium alloy AZ80 has been investigated at Almen intensities ranging…”
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Electrodeposition of Co–Mn3O4 composite coatings by Apelt, S., Zhang, Y., Zhu, J.H., Leyens, C.

“…Electrolytic codeposition was employed as a low-cost alternative process to fabricate composite coatings containing Mn3O4 particles in a Co matrix for…”
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Fabrication of Riblet Structures on a Ni-based Superalloy (PWA1483) for Potential Drag Reduction in High Temperature Applications Based on Laser Optimization by Schlieter, Antje, Shakhverdova, I., Leyens, C.

“…We propose a new laser‐based fabrication process of small‐sized riblets on PWA1483 coated on a 3 μm‐thin sputtered Ni/Cr/Ni multilayer. Laser ablation was used…”
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Fabrication and oxidation behavior of Cr2AlC coating on Ti6242 alloy by WANG, Q. M, RENTERIA, A. Flores, SCHROETER, O, MYKHAYLONKA, R, LEYENS, C, GARKAS, W, TO BABEN, M

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Oxidation resistant coatings in combination with thermal barrier coatings on γ-TiAl alloys for high temperature applications by Fröhlich, M., Braun, R., Leyens, C.

“…Titanium aluminide alloys based on γ-TiAl are considered of growing interest for high temperature applications due to their attractive properties. To extend…”
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Additive manufacturing of a metallic optical bench—process development, material qualification and demonstration by Schneider, J., Norman, A., Gumpinger, J., Brückner, F., Bavdaz, M., Leyens, C., Ghidini, T.

“…With the large-class science mission ATHENA, the European Space Agency (ESA) aims at exploring the hot and energetic universe with advanced X-Ray technology…”
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Influence of shot peening on notched fatigue strength of the high-strength wrought magnesium alloy AZ80 by Zhang, P., Lindemann, J., Leyens, C.

“…Influence of shot peening (SP) on notched fatigue strength of the high-strength wrought magnesium alloy AZ80 has been investigated by using different SP media…”
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Improving the high-temperature oxidation resistance of a β-γ TiAl alloy by a Cr2AlC coating by WANG, Q. M, MYKHAYLONKA, R, FLORES RENTERIA, A, ZHANG, J. L, LEYENS, C, KIM, K. H

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Mechanical properties of the hot-rolled Mg–12Gd–3Y magnesium alloy by Zhang, P., Ding, W.J., Lindemann, J., Leyens, C.

“…Tensile and high cycle fatigue (HCF) properties of the hot-rolled Mg–12Gd–3Y (wt.%) magnesium alloy have been investigated. The magnesium alloy exhibits a…”
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Effect of roller burnishing on fatigue properties of the hot-rolled Mg–12Gd–3Y magnesium alloy by Zhang, P., Lindemann, J., Ding, W.J., Leyens, C.

“…Influence of roller burnishing (RB) on high cycle fatigue properties of the hot-rolled Mg–12Gd–3Y (wt.%) magnesium alloy was investigated. RB can significantly…”
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Mechanical Properties of Shark-Skin Like Structured Surfaces for High-Temperature Applications by Schlieter, Antje, Pflumm, R., Shakhverdova, I., Naraparaju, R., Schulz, U., Leyens, C., Schütze, M., Reimers, W.

“…Structuring surfaces with so‐called riblets improve the drag reduction on surfaces of airplane wings or blades for aero‐engines. Here the result of…”
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Environmental protection of γ-TiAl based alloy Ti-45Al-8Nb by CrAlYN thin films and thermal barrier coatings by Braun, R., Rovere, F., Mayrhofer, P.H., Leyens, C.

“…The oxidation behaviour of CrAlN + 2 mol.% YN thin films deposited on γ-TiAl based alloy Ti–45Al–8Nb (at.%) was investigated at 850 and 900 °C under cyclic…”
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Influence of substrate material on oxidation behavior and cyclic lifetime of EB-PVD TBC systems by Schulz, U, Menzebach, M, Leyens, C, Yang, Y.Q

“…EB-PVD NiCoCrAlY/P-YSZ TBCs on several polycrystalline, directionally solidified, and single crystalline (SX) substrate alloys were thermally cycled at 1100°C…”
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Oxidation behaviour of Ti-Al-C films composed mainly of a Ti2AlC phase by WANG, Q. M, GARKAS, W, FLORES RENTERIA, A, LEYENS, C, LEE, H. W, KIM, K. H

“…This paper addresses the oxidation behaviour of Ti-Al-C films composed mainly of a Ti2AlC phase. The films exhibited rather low oxidation rates at 600 and 700…”
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Recent progress in the coating protection of gamma titanium-aluminides by Leyens, C, Braun, R, Frohlich, M, Hovsepian, P Eh

“…Figure 8 shows mass change curves of four different TBC systems on γ-TiAl alloy Ti-45Al-8Nb exposed to cyclic testing at 900°C. The reference system…”
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