M.S Payzullakhanov, The Interaction Model of Concentrated Solar Radiation with Materials, Journal of Energy Conservation, Volume 1, Issue 4, 2020, Pages 1-6, ISSN 2642-3146, https://doi.org/10.14302/issn.2642-3146.jec-20-3551. (http://jphi-healthcarejournals.netjec/article/1468) Keywords: solar furnace; melts; synthesis; structures; hardening; microstructure; fine grain.