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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Schneider, Johannes
Karlsruhe Institute of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (48/48 displayed)
- 2024Enhancing Supercapacitor Electrochemical Performance with 3D Printed Cellular PEEK/MWCNT Electrodes Coated with PEDOT: PSS
- 2024Enhancing Supercapacitor Electrochemical Performance with 3D Printed Cellular PEEK/MWCNT Electrodes Coated with PEDOT: PSScitations
- 2023Waviness Affects Friction and Abrasive Wear
- 2022Piezoresistive sensing performance of multifunctional MWCNT/HDPE auxetic structures enabled by additive manufacturingcitations
- 2022Multifunctionality of nanoengineered self-sensing lattices enabled by additive manufacturingcitations
- 2022Tribological mechanisms of slurry abrasive wearcitations
- 2022Wear Study of a Magnetron-Sputtered TiC/a-C Nanocomposite Coating under Media-Lubricated Oscillating Sliding Conditionscitations
- 2021Energy absorption characteristics of additively manufactured plate-lattices under low- velocity impact loadingcitations
- 2020Surface engineering of a titanium alloy for tribological applications by nanosecond-pulsed lasercitations
- 2020Cortical thinning and accumulation of large cortical pores in the tibia reflect local structural deterioration of the femoral neckcitations
- 2020Experimental Analysis of microstructured steel surfaces for wet tribological applications in the low velocity regime
- 2020Influence of interstitial oxygen on the tribology of Ti6Al4Vcitations
- 201915: Werkstoffkunde II,Vorlesung, SS 2019, 27.06.2019
- 201916: Werkstoffkunde II,Vorlesung, SS 2019, 01.07.2019
- 201911: Lasereinsatz im Automobilbau, Vorlesung, SS 2019, 11.07.2019
- 2019Large cortical bone pores in the tibia are associated with proximal femur strengthcitations
- 201918: Werkstoffkunde 1, Vorlesung, WS 2018/19, 11.01.2019
- 201913: Werkstoffkunde II, Vorlesung, SS 2019, 24.06.2019
- 201912: Werkstoffkunde II, Vorlesung, SS 2019, 17.06.2019
- 201908: Werkstoffkunde II, Vorlesung, SS 2019, 23.05.2019
- 201919: Werkstoffkunde 1, Vorlesung, WS 2018/19, 15.01.2019
- 201911: Werkstoffkunde II, Vorlesung, SS 2019, 06.06.2019
- 201817: Werkstoffkunde 2, Vorlesung, SS 2018, 14.06.2018
- 201812: Werkstoffkunde 2, Vorlesung, SS2018, 04.06.2018
- 201814: Werkstoffkunde 2, Vorlesung, SS 2018, 07.06.2018
- 201815: Werkstoffkunde 2, Vorlesung, SS 2018, 11.06.2018
- 201813: Werkstoffkunde 1, Vorlesung, WS 2018/19, 07.12.2018
- 201812: Lasereinsatz im Automobilbau, Vorlesung, SS2018, 09.07.2018
- 201805: Werkstoffkunde 2, Vorlesung, SS 2018, 07.05.2018
- 2018Composition of ice particle residuals in mixed-phase clouds at Jungfraujoch (Switzerland): enrichment and depletion of particle groups relative to total aerosolcitations
- 201818: Werkstoffkunde 2, Vorlesung, SS 2018, 18.06.2018
- 201819: Werkstoffkunde 2, Vorlesung, SS 2018, 21.06.2018
- 201717: Werkstoffkunde 1, Vorlesung, WS 2017/18, 19.12.2017
- 201716: Werkstoffkunde 1, Vorlesung, WS 2017/18, 15.12.2017
- 201718: Werkstoffkunde 1, Vorlesung, WS 2017/18, 22.12.2017
- 2017Microstructure, mechanical properties and friction behavior of magnetron-sputtered V-C coatingscitations
- 2016Hydration of magnesia cubes: a helium ion microscopy study
- 2016Chronology of the microstructure evolution for pearlitic steel under unidirectional tribological loadingcitations
- 2013Microstructure, mechanical and friction behavior of magnetronsputtered VC coatings
- 2013Entwicklung und tribologische Charakterisierung von TiC/a-C-Nanokompositen im Hinblick auf den Einsatz in mangelgeschmierten Gleitkontakten
- 2008Laser-supported surface modification of alumina ceramic with regard to improved tribological properties
- 2008Development of surface-modified alumina ceramic for bearing components in liquid media
- 2008Surface modified alumina ceramic for unlubricated tribological applications
- 2008Multiphase Al2O3 ceramic with high resistance to unlubricated sliding wear
- 2008Improved tribological properties of Al2O3 ceramics due to laser-induced surface alloying
- 2008Friction and wear reduction of Al₂O₃ ceramics by laser-induced surface alloying
- 2007Mechanical and tribological properties of Nd- and Yb-SiAlON composites sintered by hot isostatic pressing
- 2001Thermal and electrical properties of laser-modified ceramics
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document
Thermal and electrical properties of laser-modified ceramics
Abstract
Thermal and electrical properties of lasermodified ceramics The laser induced surface modification process can be used to increase thermal and electrical conductivity of a ceramic locally. A material with high thermal and electrical conductivity can be added by powder injection into the laser induced melt pool or by local remelting of a precoated ceramic substrate. After solidification a composite is developed, which shows different properties than the ceramic itself. In comparison to the established thick-film technology where conducting lines are generated by lithographical methods, the laser process offers the advantage of direct structuring and good bonding to the substrate. In the present study paths with increased thermal and electrical conductivity were generated into a cordierite ceramic. This material was selected because of its properties like low density, low thermal expansion and especially low dielectric permittivity, which makes it to a promising substrate material for high frequency applications in microelectronics. The experiments were carried out with a CO2-laser and tungsten was used as additive. The obtained conducting lines were characterised in respect to their microstructure and electrical resistance. An enhancement of thermal conductivity, which is restricted to the laser treated area could be established by measurements of thermal conductivity with spatial resolution using the photothermal method. In addition test structures were generated, which allow local heating of the ceramic by applying a voltage to the conducting structure. Further work is orientated towards transferring of the process to other ceramic materials like alumina or PZT-ceramics.