Peer review declaration

All papers published in this volume of IOP Conference Series: Materials Science and Engineering have been peer reviewed through processes administered by the Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. □ Type of peer review: Double-blind □ Conference submission management system: iConf Conference System □ Number of submissions received: 39 submissions □ Number of submissions sent for review: 39 submissions □ Number of submissions accepted: 23 submissions □ Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 58.97% □ Average number of reviews per paper: 2 □ Total number of reviewers involved:20 reviewers □ Any additional info on review process: Accepted papers should follow: Introduce an area that appears promising, or might stimulate others to develop promising alternatives; The paper is clearly written and organization is good. The figures have proper aesthetics. The mathematical equations are given correctly. The conclusions are proper. The references are modern. □ Contact person for queries: vsevolod.v.koryanov vsevolod.v.koryanov@gmail.com