Abstract
The paper deals with the change of the surface properties of the substrate after the application of multiple plasma spraying NiCr. The influence of selected technological factors (substrate material, surface angle of the substrate and degreasing of the surface) on topography and surface quality of the substrates. Presented procedures and experimental results demonstrate surface resistance of individual materials from effect multiple plasma coatings. The best results of surface resistance have samples from chromium steel. In addition, the results of these experiments indicate which parameters are key in selecting the substrate material for the masking process in serial production of coatings by plasma spraying.
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Abbreviations
- Ra :
-
Mean arithmetic deviation of roughness
- Rz :
-
Maximum height of the roughness profile
- HVm max :
-
Maximum value of microhardness according to Vickers
- HVm min :
-
Minimum value of microhardness according to Vickers
- HVm avg :
-
Average value of microhardness according to Vickers
- CTE :
-
Coefficient of thermal expansion
- Rm :
-
Ultimate tensile strength
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Acknowledgments
Research knowledge can be used in the engineering industry, where plasma coating is used. Primary, the research results can also be used to rationalization the plasma coating process for serial production and next research and development of material resistance to the plasma coating.
Next recommended research should be to compare the HVm and surface roughness after double removal plasma coatings (24 times coating). Also, more detailed research of multiple plasma coating on material Chromium Steel because, material Chromium steel had the best resistance from negative effects of multiple plasma spraying, but there was a big deviation of HVm on the sample No. 14 (degrease + 45°).
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Kužma, J., Krescanko, M., Hloch, S. (2019). Change of the Substrate Surface After Removal Multiple Plasma Spraying Layers. In: Hloch, S., Klichová, D., Krolczyk, G., Chattopadhyaya, S., Ruppenthalová, L. (eds) Advances in Manufacturing Engineering and Materials. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-99353-9_38
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DOI: https://doi.org/10.1007/978-3-319-99353-9_38
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