Manufacturing Technology 2021, 21(2):279-287 | DOI: 10.21062/mft.2021.026

Analysis of the thermal stability of PTFE nanoparticles enriched coating on material made from Al-Si alloy

Igor Zuravsky, Jaroslava Svobodova, Irena Lysonkova, Michal Lattner, Josef Ponikelsky
Faculty of Mechanical Engineering, J. E. Purkyne University in Usti nad Labem. Pasteurova 3334/7, 400 01 Usti nad Labem. Czech Republic

The article focuses on technological procedures of coating of metal molds made from Al-Si alloys, espe-cially used for making tyres. The idea is to create coating on aluminium based metal molds in order to reach a higher number of production cycles between individual cleaning operations in tyre making tech-nology. The experiment was based on a preparation of experimental samples, which were coated with a teflon based product with the addition of nanoparticles (eg. TiO2), in other words, particles as large as tens of nanometres, which were mixed into the teflon solution in a particular concentration. After creat-ing the coating, the experimental samples were put under a thermal load in various thermal modes. Fu-thermore, roughness, coating resistance, and changes after the thermal load were subjects of the study.

Keywords: Thermal stability, PTFE coating, nanoparticles, nanocoating, nanolayers
Grants and funding:

Supported by the OP VVV Project Development of new nano and micro coatings on the surface of selected metallic materials - NANOTECH ITI II., Reg. No CZ.02.1.01/0.0/0.0/18_069/0010045.

Received: November 6, 2020; Revised: February 1, 2021; Accepted: February 16, 2021; Prepublished online: March 22, 2021; Published: April 6, 2021  Show citation

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Zuravsky I, Svobodova J, Lysonkova I, Lattner M, Ponikelsky J. Analysis of the thermal stability of PTFE nanoparticles enriched coating on material made from Al-Si alloy. Manufacturing Technology. 2021;21(2):279-287. doi: 10.21062/mft.2021.026.
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