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

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 …

Additive manufacturing (AM) is a new and promising production methodology adept at
producing complex geometries, which can be optimized for lower weight and enhanced …

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

Powder-based additive manufacturing (AM) is revolutionizing the fabrication of advanced
engineering metallic materials, including aluminium (Al) alloys, which are the workhorse …

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 …

Grain refinement of Al and Al alloys during the solidification remains a long-term challenge.
Here we report a general strategy for efficient grain refinement through instantaneously in …

Controlling the grain size and morphology during fusion-based additive manufacturing
remains a challenge for many alloys. This work investigates Titanium diboride (TiB2) …

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

Solute transport during rapid and repeated thermal cycle in additive manufacturing (AM)
leading to non-equilibrium, non-uniform microstructure remains to be studied. Here, a fully …