Development and analysis of microstructures for the transplantation of thermally sprayed coatings

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Freiburg, D.; Biermann, D.; Peuker, A.; Kersting, P.; Maier, H.-J.; et al.: Development and analysis of microstructures for the transplantation of thermally sprayed coatings. In: Procedia CIRP 14 (2014), S. 245-250. DOI: https://doi.org/10.1016/j.procir.2014.03.054

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Sum total of downloads: 82




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Abstract: 
Thermally sprayed coatings and tribological surfaces are a point of interest in many industrial sectors. They are used for better wear resistance of lightweight materials or for oil retention on surfaces. Lightweight materials are often used in the automotive industry as a weight-saving solution in the production of engine blocks. For this, it is necessary to coat the cylinder liners to ensure wear resistance. In most cases, the coating is sprayed directly onto the surface. Previous research has shown that it is possible to transfer these coatings inversely onto other surfaces. This was achieved with plasma sprayed coatings which were transplanted onto pressure-casted surfaces. These transplanted surfaces exhibited better adhesive strength, smoother surfaces, and lower form deviation compared to directly coated surfaces. Additionally, it was shown that even microstructures of a surface coated by plasma spraying can be transferred to pressure-casted surfaces. This paper presents the development and micromilling of different microstructures for transferring thermally sprayed coatings onto pressure-casted surfaces. In the development process, microstructures with different shapes and aspect ratios as well as thin tribological surfaces are designed in order to evaluate the advantages and limitations of the transplantation process. In subsequent experiments, the micromilling process and a simulation of the coating transplantation are presented and analyzed.
License of this version: CC BY-NC-ND 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2014
Appears in Collections:Fakultät für Maschinenbau

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pos. country downloads
total perc.
1 image of flag of Germany Germany 72 87.80%
2 image of flag of China China 5 6.10%
3 image of flag of Oman Oman 2 2.44%
4 image of flag of Vietnam Vietnam 1 1.22%
5 image of flag of Russian Federation Russian Federation 1 1.22%
6 image of flag of Czech Republic Czech Republic 1 1.22%

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