Yazar "Kaya, Ali Can" için listeleme
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Analyzing the influence of the investment casting process parameters on microstructure and mechanical properties of open-pore Al–7Si foams
Firoozbakht, Mahan; Blond, Aurelien; Zimmermann, Golo; Kaya, Ali Can; Fleck, Claudia; Bührig-Polaczek, Andreas (2023)Aluminum alloy foams with high specific compressive strength and good energy absorption capacity are widely used as structural materials and shock absorbers. The investment casting process offers an interesting opportunity ... -
Effects of the cell number and anisotropy in the open cell metal foams on the energy absorption efficiency
Kaya, Ali Can (Pamukkale Univ, 2020)By means of cellular structure, open cell metal foams can be used as a light-weight material, and they can absorb impact energy effectively. In this study, effects of cell number and anisotropy in 30 and 45 ppi (pores per ... -
Fatigue and corrosion-fatigue behavior of the β-metastableTi-5Al-5Mo-5V-3Cr alloy processed by laser powder bedfusion
Kaya, Ali Can; Alcântara, Erika Gabriele Alves; Meinke, Reinhard; Selve, Sören; Fleck, Claudia (2024)We performed rotating bending tests and axial (tension-compression) loadincrease and constant amplitude high-cycle fatigue tests in air and Hanks' balanced salt solution (HBSS) on the β-metastable titanium alloy Ti-5Al-5Mo-5V3Cr, ... -
Foams of gray cast iron as efficient energy absorption structures: a feasibility study
Kaya, Ali Can; Zaslansky, Paul; Rack, Alexander; Fischer, Sebastian F.; Fleck, Claudia (Wiley-V C H Verlag Gmbh, 2019)Gray cast iron foams, were produced using a reticulated polyurethane by using a modified investment casting process. To evaluate the attributes of the produced micro-geometries, foam segments and single struts are investigated ... -
In situ shear behavior of open-cell austenitic 316L steel foams
Kaya, Ali Can (Elsevier Science Sa, 2020)Foam cores in crash boxes are subjected to large shear forces during crash situations. Here, the failure behavior of 316L open-cell stainless steel foams under shearing conditions was investigated. A custom-made grip system ... -
Influence of additional strut elements in 3D Re-Entrant auxetic unit cells on the damage and energy absorption properties
Kaya, Ali Can; Boğoçlu, M.; Korucu, A. (2024)Background Geometric parameter optimization, novel design, and mechanism modeling of auxetic materials have been widely studied. However, manipulating the topology of the 3d printed auxetic unit cells and its influence ... -
Influence of anisotropy on the deformation behaviour in microtensile 316L steel specimens fabricated by laser powder bed fusion (PBF-LB/M)
Kaya, Ali Can; Fleck, Claudia; Salamci, Metin U. (2023)Laser powder bed fusion of metals (PBF LB/M) allows fabrication of intricate structures without any need of tools and moulds. In this process the building orientation becomes a significant issue for the complex structures. ... -
Mechanical performance of reverse-engineered resin foam structures developed by image processing on the computed tomography data: A revisit
Kaya, Ali Can; Rastanawi, Nouh; Korucu, A. (2023)Using digital design methods, additive manufacturing processes enable us to create novel complex structures. In the current study, 3 and 10 ppi, density-graded, and merged foams (digitally joined 3 and 10 ppi) were ... -
Micro and nano damage observations of martensitic and austenitic open cell cast foams
Kaya, Ali Can; Fromert, Jan; Jost, Norbert; Fleck, Claudia (Elsevier Science, 2022)In current study a detailed investigation of the 304 austenitic and 420 martensitic foams damage has been carried out at all hierarchical levels. In-situ compression testing of foams and microtensile testing of single ... -
Modeling of complex gray cast iron open-cell foams revealing insights on failure and deformation on different hierarchical length-scales
Kaya, Ali Can; Zaslansky, Paul; Fleck, Claudia (Wiley-VCH, 2021)Open-cell gray cast iron foams are a class of porous materials of increasing interest, with great potential to be used in energy damping applications and for sound isolation. We created finite element (FE) models from 3D ... -
Modification of open-cell cast aluminum-silicon foams with strontium
The mechanical properties of open-cell aluminum foams can be influenced by enhancing the microstructure of the struts. The foams produced by investment casting face slow cooling rates, which makes it challenging to improve ... -
Relation between Tensile Strut and Compressive Foam Deformation Behaviour: Failure Mechanisms and the Influence of Dendritic Versus Globular Grain Structure in an AlSi7Mg0.3 (A356) Precision‐Cast Open‐Cell Foam
Open-cell aluminum foams are gaining importance for the design of lightweightstructures and as electrodes in lithium-ion batteries. AlSi7Mg0.3 foams areproduced by a modified investment casting process. By tuning the mold ... -
Single steel strut mechanical testing: challenges and future research directions
Kaya, Ali Can; Zaslansky, Paul; Fischer, Sebastian; Fleck, Claudia (Taylor & Francis Ltd, 2019)Open-cell stainless steel foams, composed of hollow struts, are excellent candidates for energy absorption and thermo-mechanical applications. The basic mechanical element responsible for the function of these foams is the ... -
Strain hardening reduces energy absorption efficiency of austenitic stainless steel foams while porosity does not
Kaya, Ali Can; Zaslansky, Paul; İpekoğlu, Mehmet; Fleck, Claudia (Elsevier Sci Ltd, 2018)Strain hardening significantly affects the mechanical function of steel foams. We compare hardening and failure of two commercially available austenitic stainless steel foams (316L and 310) spanning strut porosities of 9.4 ...