Heat Treatment of Additive Manufacturing-Processed Alloys

Dear Colleagues,

Metal additive manufacturing, commonly referred to as AM, creates 3D metal parts layer by layer using a digital design model. Due to the nature of AM processes, the resulting parts could be characterised by heterogeneous microstructures and a high level of internal stress. In order to modify the part microstructure and relieve any residual stresses present, enabling parts to achieve properties comparable to or even better than their conventionally manufactured counterparts, post-processing heat treatment may be required.

However, the heat treatments of AM alloys are different from those adopted after conventional processes and therefore require an ad hoc study, thus leading to a time-consuming procedure. For this reason, many studies are currently focusing on the development of alloys tailored for AM processes that do not require heat treatment.

The aim of this Special Issue is to collect the most innovative heat treatments with a critical analysis of their effects on microstructural features, thermophysical properties and mechanical behaviour of the treated alloy. In addition, this Special Issue also focuses on the development of new alloys that do not require post-processing treatments, with an emphasis on the stability of these materials when working at high temperatures.

Prof. Dr. Paolo Fino
Guest Editor
Dr. Alessandra Martucci
Guest Editor Assistant

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