The series “Hungarian Conference and Exhibition on Materials Science, Testing and Informatics” (later simply “Hungarian Conference on Materials Science”) was intended to provide a forum where Hungarian and foreign scientists and research groups interested in metals and alloys, silicates, polymers and composites get an opportunity to exchange and publish ideas and establish new and integrated partnerships. The 14th Hungarian Conference on Materials Science was held at the Balaton lakeshore in Balatonalmádi, October 8-10, 2023. The winner of the photo competition of the 14th Hungarian Conference on Materials Science was Kovács Árpád Győző, University of Miskolc The title of the picture: “Flower, my sweet flower”. The photo shows a fragment of a glass-fiber-reinforced polymer component (GF30), a degraded polymer matrix. The examination technique: ZEISS EVO MA 10 scanning electron microscope (HV mode, 20 kV, gold-coated surface, BSE image) The organisers present this volume as a peer-reviewed selection of papers submitted to publication by participants The organisers express their gratitude to all sponsors. Thanks are due to organising societies, as the Hungarian Materials Science Society and to other Hungarian scientific and engineering societies for their support. List of Scientific Committee, Organising Committee, Conference Secretariat, Diamond Sponsors of the Conference and Sponsor of the Conference are available in this Pdf.