Nicolò Grilli

Creep damage initiation in high-temperature steel: a comparative study of ferritic, martensitic and austenitic microstructures

Abstract Premature failure of critical energy infrastructure caused by creep damage, threatens productivity and safety, emphasizing the need for robust methods to monitor and predict material performance. Creep damage nucleation in metals is driven by nano- and micro-structural f...

Purpose-built WAAM 316L benchmark walls for thermo-mechanical calibration and strain-based hardness prediction

Wire Arc Additive Manufacturing (WAAM) of 316L generates complex thermal cycles, distortion and work hardening that are difficult to validate in 3D. Hence, in this paper, we design, build and fully characterise two benchmark walls (two-layer and three-layer) expressly for calibra...