Search Results - "Nellesen, J."

On the microstructural and mechanical properties of post-treated additively manufactured Inconel 718 superalloy under quasi-static and cyclic loading by Aydinöz, M.E., Brenne, F., Schaper, M., Schaak, C., Tillmann, W., Nellesen, J., Niendorf, T.

“…Inconel 718 specimens were additively manufactured via selective laser melting (SLM) and subjected to different post-process heat treatments. Performance under…”
Get full text

In vivo corrosion and corrosion protection of magnesium alloy LAE442 by Witte, F., Fischer, J., Nellesen, J., Vogt, C., Vogt, J., Donath, T., Beckmann, F.

“…The aim of this study was to investigate whether the extruded magnesium alloy LAE442 reacts in vivo with an appropriate host response and to investigate how an…”
Get full text

Various Size-sorting Processes for Millimeter-sized Particles in the Sun's Protoplanetary Disk? Evidence from Chondrules in Ordinary Chondrites by Metzler, K., Hezel, D. C., Nellesen, J.

“…Chondrules are approximately millimeter-sized beads of crystallized silicate melt. They formed mainly in the first ∼3 Ma of the Sun's protoplanetary disk and…”
Get full text

Hot isostatic pressing of IN718 components manufactured by selective laser melting by Tillmann, W., Schaak, C., Nellesen, J., Schaper, M., Aydinöz, M.E., Hoyer, K.-P.

“…Selective laser melting and other additive manufacturing (AM) techniques have recently attracted substantial interest of both researchers and the processing…”
Get full text

Magnesium hydroxide temporarily enhancing osteoblast activity and decreasing the osteoclast number in peri-implant bone remodelling by Janning, C., Willbold, E., Vogt, C., Nellesen, J., Meyer-Lindenberg, A., Windhagen, H., Thorey, F., Witte, F.

“…Repeated observations of enhanced bone growth around various degradable magnesium alloys in vivo raise the question: what is the major mutual origin of this…”
Get full text

In vitro and in vivo evaluation of biodegradable, open-porous scaffolds made of sintered magnesium W4 short fibres by Bobe, K., Willbold, E., Morgenthal, I., Andersen, O., Studnitzky, T., Nellesen, J., Tillmann, W., Vogt, C., Vano, K., Witte, F.

“…A cytocompatible and biocompatible, degradable, open-porous, mechanically adaptable metal scaffold made of magnesium alloy W4 melt-extracted short fibres was…”
Get full text

Non-invasive 3D analysis of local soil deformation under mechanical and hydraulic stresses by μCT and digital image correlation by Peth, S., Nellesen, J., Fischer, G., Horn, R.

“…Soil deformation is a perpetual process in the pedosphere where besides physicochemical stresses primarily alternating hydraulic and mechanical stresses…”
Get full text

In vitro and in vivo corrosion measurements of magnesium alloys by Witte, Frank, Fischer, Jens, Nellesen, Jens, Crostack, Horst-Artur, Kaese, Volker, Pisch, Alexander, Beckmann, Felix, Windhagen, Henning

“…The in vivo corrosion of magnesium alloys might provide a new mechanism which would allow degradable metal implants to be applied in musculo-skeletal surgery…”
Get full text

In situ analysis of damage evolution in an Al/[Formula omitted] MMC under tensile load by synchrotron X-ray refraction imaging by Nellesen, J, Laquai, R, Müller, B. R, Kupsch, A, Hentschel, M. P, Anar, N. B, Soppa, E

“…The in situ analysis of the damage evolution in a metal matrix composite (MMC) using synchrotron X-ray refraction radiography (SXRR) is presented. The…”
Get full text

3D analysis of micro-deformation in VHCF-loaded nodular cast iron by μCT by FISCHER, G, NELLESEN, J, ANAR, N. B, EHRIG, K, RIESEMEIER, H, TILLMANN, W

Get full text

Analysis of stress gradients in physical vapour deposition multilayers by X-ray diffraction at fixed depth intervals by Fischer, G., Selvadurai, U., Nellesen, J., Sprute, T., Tillmann, W.

“…The objective of this article is to develop and apply a model for the design and evaluation of X‐ray diffraction experiments to measure phase‐specific residual…”
Get full text

Microtomographic Analysis of Splat Formation and Layer Build-Up of a Thermally Sprayed Coating by Tillmann, W., Nellesen, J., Abdulgader, M.

“…Thermal spraying is a material processing technique, which is based on the combination of thermal and kinetic energy. The used feedstock is melted in a hot…”
Get full text

Development and Characterization of B4C Reinforced Detonation-Sprayed Al Coatings by Tillmann, W., Hollingsworth, P. S., Fischer, G., Nellesen, J., Beckmann, F.

“…Because of their excellent properties aluminum and its alloys cover a wide range of applications especially in the lightweight construction sector. In order to…”
Get full text

Cartilage repair on magnesium scaffolds used as a subchondral bone replacement by Witte, F., Reifenrath, J., Müller, P.P., Crostack, H.-A., Nellesen, J., Bach, F.W., Bormann, D., Rudert, M.

“…Despite the availability of surgical and non‐surgical techniques, the repair of articular cartilage lesions remains a current clinical problem. Especially for…”
Get full text

Analysis of Crack Patterns in Drying Corn Starch by in-situ Radiography and X-ray Computer Tomography by Crostack, H.-A., Nellesen, J., Fischer, G., Hofmann, M., Rademacher, H.-G., Tillmann, W.

“…The formation of crack patterns in drying starch-water slurries is studied by means of in-situ radiography (measuring of the crack front velocity) and X-ray…”
Get full text

Effect of Microstructure on Residual Stresses in Sintered Diamond-Metal Composites by Selvadurai-Laßl, U., Crostack, H.-A., Fischer, G., Nellesen, J., Tillmann, W., Gathen, M., Rothkirch, A.

“…As residual stresses can reduce the lifetime of diamond‐cobalt composite cutting tools, the composite stress state needs to be understood very well. Thus, the…”
Get full text

In situ analysis of damage evolution in an Al/$$\hbox {Al}_{2}\hbox {O}_{3}$$Al2O3 MMC under tensile load by synchrotron X-ray refraction imaging by Nellesen, J., Laquai, R., Müller, B. R., Kupsch, A., Hentschel, M. P., Anar, N. B., Soppa, E., Tillmann, W., Bruno, G.

Get full text

In situ analysis of damage evolution in an Al/Al2O3 MMC under tensile load by synchrotron X-ray refraction imaging by Nellesen, J., Laquai, R., Müller, B. R., Kupsch, A., Hentschel, M. P., Anar, N. B., Soppa, E., Tillmann, W., Bruno, G.

“…The in situ analysis of the damage evolution in a metal matrix composite (MMC) using synchrotron X-ray refraction radiography (SXRR) is presented. The…”
Get full text

3D µCT and SEM Analysis of Resolidified Tips of Cored Wires Used in Twin-Wire Arc Spraying by Nellesen, J., Abdulgader, M., Tillmann, W., Beckmann, F.

“…In twin-wire arc spraying (TWAS), the in-flight particles are atomized from a melting bath which generates an inhomogeneous spraying plume. This inhomogeneity…”
Get full text

Metal Matrix Composites Deposition in Twin Wire Arc Spraying Utilizing an External Powder Injection Composition by Tillmann, W., Abdulgader, M., Hagen, L., Nellesen, J.

“…The powder injection parameters, the location of the injection port, as well as the metal matrix composites are important features, which determine the…”
Get full text