Hunedoara, Romania, May 24-27, 2023 (face-to-face and on-line) Organizers: Politehnica University Timisoara and University of Banja Luka in cooperation withMinistry for Scientific and Technological DevelopmentHigher Education and Information Society of the Republika SrpskaAcademy of Romanian ScientistsAcademy of Sciences and Arts of the Republika SrpskaAcademy of Technical Sciences of Romania - Timisoara BranchGeneral Association of Romanian Engineers - Hunedoara BranchAssociation Universitaria Hunedoara ICAS 2023 - International Conference on Applied Sciences took place in Hunedoara, Romania, from May 24 to 27, 2023, at the Faculty of Engineering Hunedoara. Its primary objective was to provide a platform for the exchange of information across diverse fields of applied sciences and to facilitate communication among scientists from various nations, countries, and continents.The conference, structured into five sections - Fundamental Sciences, Computer Engineering, Electrical Engineering, Mechanical Engineering, and Materials Engineering - encompasses a wide range of topics related to the application, operation, and impact of applied sciences and technologies on the industry.Throughout the conference, participants engaged in 2 round tables, 1 keynote lecture, and 74 presentations. From the materials presented at the conference, 25 papers have been selected to be published in this volume of the Journal of Physics: Conference Series, which is a part of the IOP Conference Series. List of Honorary Committee, Organizing Committee, Scientific Committee are available on the web site of the conference.