The Light Metals symposia are a key part of the TMS Annual Meeting & Exhibition, presenting the most recent developments, discoveries, and practices in primary aluminum science and technology. Publishing the proceedings from these important symposia, the Light Metals volume has become the definitive reference in the field of aluminum production and related light metal technologies. The 2015 collection includes papers from the following symposia:1.Alumina and Bauxite2.Aluminum Alloys: Fabrication, Characterization and Applications3.Aluminum Processing4.Aluminum Reduction Technology5.Cast Shop for Aluminum Production6.Electrode Technology for Aluminum Production7.Strip Casting of Light Metals