The Federal Institute of Education, Science and Technology of Maranhao (IFMA) and the strategic sector composed by PRPGI (Pró-Reitoria de Pesquisa, Pós-graduação e Inovação), are pleased to invite you to attend the 4th (ICAIC) International Conference for Academia and Industry Co-operation & 4th (IMMSEM) International Meeting in Materials Science and Engineering of Maranhão to occur in the lovely city of Sao Luis scheduled for November 20-24, 2023. The graduate programs in Materials Engineering and Mechanical Engineering are excited to be organizing together this forth edition of the international event for the state of Maranhao, Brazil. The 4th (ICAIC) and 4th (IMMSEM) is currently offering minicourses, plenaries, talks, poster section and roundtable topics of interest to the interdisciplinary materials science and engineering research community at large. As the great success of the previous editions, this is expected to contemplate about more than 500 attendees from private and public companies and institutions.