Renovation of Parts to Save Metals (Volume 2)

Dear Colleagues,

New challenges have recently arisen in the field of R&D, whose aim is to transform the industry toward the efficient use of existing resources and raw materials. The scope of engineering activities is shifting from the design of new machine parts to renovation technologies to use alternative renovation processes. Degradation processes, which are a natural guide to the operational life of components, manifest primarily through the deterioration of conditions in the surface layers of the component. Material losses, deterioration of roughness, and undesired changes in the structure of the surface layers lead to decommissioning of the component. The basic task of renovation technologies is to restore the geometric shape and dimensions of the functional surfaces of the components, as well as to increase the wear resistance of surfaces and extend the service life of renovated components. In practice, to increase the quality and service life of the renovated components, a renovation layer of a higher quality than that of the base material (better sliding properties, increased corrosion resistance, etc.) must be chosen. In the case of renovation of worn parts, it is first necessary to correctly analyze the type of wear, the impact of the environment, working conditions, and based on this analysis, to choose a suitable renovation technology. The creation of new layers gives the possibility to change the properties of the surface and adapt it to the operating conditions, or to give the surface completely new properties and thus give the product a new added value.

The aim of the Special Issue is to provide space for researchers to present the latest research results in the field of the use of advanced technologies in the renovation of functional surfaces using new additional materials and coatings. The Special Issue provides space to present a wide range of methods for evaluating mechanical, tribological and corrosive properties in order to determine the quality of renovation layers and coatings.

Dr. Anna Guzanová
Prof. Dr. Janette Brezinová
Prof. Dr. Ján Viňáš
Guest Editors

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• renovation
• hardfacing
• thermal spraying
• additive manufacturing
• direct energy deposition
• corrosion resistance
• tribology
• new filler materials
• thin film deposition
• simulation of renovation processes