The columnar to equiaxed transition (CET) of grain structures associated with processing
conditions has been observed during metallic additive manufacturing (AM). However, 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 …

Grain refinement is one of the most effective approaches to improving mechanical
properties, reducing anisotropy and hot-cracking of additively manufactured alloys. Recent …

A multiscale model is developed to investigate the evolution mechanisms of site-specific
grain structures during additive manufacturing (AM) of metallic alloys, using the selective …

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 …

Epitaxial columnar grain growth is a prevalent microstructural feature in the additive
manufacturing (AM) of metal components such as Inconel, with cubic unit cell crystal lattice …

Grain structure control is challenging for metal additive manufacturing (AM). Grain structure
optimization requires the control of grain morphology with grain size refinement, which can …

The Interdependence model is now widely used to analyze the results of grain refinement
studies. Although the model was developed to predict the grain size of an alloy cast under …

As a revolutionary industrial technology, additive manufacturing creates objects by adding
materials layer by layer and hence can fabricate customized components with an …

A computational framework is developed to investigate the process-structure-property
relationship for additive manufacturing (AM) of Ti–6Al–4V alloy. The proposed model …