This volume of Advance Material and Processing Technologies contains 108 papers selected from those presented at the 15th International Conference on Advances in Materials and Processing Technologies (AMPT2012) held in Wollongong, Australia, 23-26 September 2012. The volume covers a broad range of topics such as computer aided engineering, materials, deformation processing, material removal process, processing of new and advanced materials, welding, precision engineering surface engineering and other related processes.