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: Single-blind Conference submission management system: www.sciencesconf.org Number of submissions received: 100 papers Number of submissions sent for review: 60 papers Number of submissions accepted: 32 Papers Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 32% Average number of reviews per paper: 2 reviewers Total number of reviewers involved: 20 reviewers Any additional info on review process: We have sent all the papers to more than 60 reviewers but in most of the time we have not had a response to review the articles. This caused a considerable delay in the procedure . Contact person for queries : Abdelwahed Hajjaji (hajjaji.a@ucd.ac.ma) Mohamed El Jouad (eljouad.m@ucd.ac.ma)