What is it about?
The aim of this study was characterization of coatings made of stainless steel 316L, widely used in chemical and petrochemical industries. The coating was applied on a structural steel S235JR by plasma transferred arc using powder as a filler material.
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Why is it important?
This paper presents results of hardness measurements in characteristic zones of the coating and the base material, as well as microstructural characterization of coatings using optical and scanning electron microscopy. Results of EDS analysis of the coating and hardness measurements indicated that a relatively high dilution (26.1 %) of the base material (BM) and the filler material (FM) occurred in a very narrow zone above the fusion line, and thus did not significantly affect the chemical composition of the rest of the coating. Also, with the increase of the impact angle of the erodent (up to 45°), the mass loss of the coating material is increased.
Perspectives
Due to a number of advantages, the plasma transferred arc (PTA) surfacing process has found significant usages in the field of surface protection.
Professor Milos B. Djukic
University of Belgrade, Faculty of Mechanical Engineering
Read the Original
This page is a summary of: Characterization of a coating 316L applied by plasma transferred arc, Hemijska industrija, January 2018, National Library of Serbia,
DOI: 10.2298/hemind170928005m.
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