Striking differences in the solidification textures of a nickel based alloy owing to changes in
laser scanning pattern during additive manufacturing are examined based on theory and …

Gaussian laser intensity profiles are standard in laser-based metal additive manufacturing,
although recent work in single-layer melt tracks showed that beam shaping could offer a …

The fabrication of 3-D parts from CAD models by additive manufacturing (AM) is a disruptive
technology that is transforming the metal manufacturing industry. The correlation between …

Additive manufacturing of structural alloys results in the formation of complex
microstructures, often with long, columnar grains that grow epitaxially from existing grains. A …

Prediction of microstructures of additive manufactured materials is a significant research
focus to face the challenge of producing tailored components. In this work, a three …

Understanding the grain structure in metal additive manufacturing (MAM) builds is important
to improve the properties of MAM builds and the controllability of MAM processes. The …

Metal-based additive manufacturing (AM) processes often produce parts with improved
properties compared to conventional manufacturing and metal working routes. However …

Variability in the mechanical properties of additively manufactured metal parts is a key
concern for their application in service. One of the parameters affecting the above …

Understanding microstructural development in additive manufacturing under highly non-
equilibrium cooling conditions and the consequent effects on mechanical properties of the …

This paper provides insights into the effect of high thermal gradients and cooling rates on
equiaxed grain nucleation and growth in conditions similar to those experienced during …