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Change of the Substrate Surface After Removal Multiple Plasma Spraying Layers

  • Jozef Kužma
  • Michal Krescanko
  • Sergej Hloch
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

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.

Keywords

Plasma spraying Rationalization Serial production Surface quality Substrate 

Nomenclature

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

Notes

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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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Manufacturing, Faculty of Manufacturing TechnologiesTechnical University of KosiceKosiceSlovakia

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