[HTML][HTML] Grain structure evolution in transition-mode melting in direct energy deposition
Direct energy deposition (DED) is a promising additive manufacturing technology for large-
scale fabrications of high-value components. Grain structure control is challenging but …
scale fabrications of high-value components. Grain structure control is challenging but …
Revealing competitive columnar grain growth behavior and periodic microstructural banding in additively manufactured Ti-6Al-4 V parts by selective electron beam …
Powder-bed fusion additive manufacturing of Ti-6Al-4 V has been of tremendous interest in
both academia and industry. As the two ubiquitous microstructural features, columnar grain …
both academia and industry. As the two ubiquitous microstructural features, columnar grain …
A physics-informed machine learning method for predicting grain structure characteristics in directed energy deposition
Directed energy deposition (DED) is an advanced additive manufacturing technology for the
fabrication of near-net-shape metal parts with complex geometries and high performance …
fabrication of near-net-shape metal parts with complex geometries and high performance …
Promoting the columnar to equiaxed transition and grain refinement of titanium alloys during additive manufacturing
MJ Bermingham, DH StJohn, J Krynen… - Acta Materialia, 2019 - Elsevier
Preventing columnar grain formation during additive manufacturing has become a
significant challenge. Columnar grains are generally regarded as unfavourable as their …
significant challenge. Columnar grains are generally regarded as unfavourable as their …
Integrated melt pool and microstructure control for Ti–6Al–4V thin wall additive manufacturing
In additive manufacturing (AM), melt pool dimension control is needed to accurately build a
geometry and determine process precision. Microstructure control is needed for its effect on …
geometry and determine process precision. Microstructure control is needed for its effect on …
Site specific control of crystallographic grain orientation through electron beam additive manufacturing
Site specific control of the crystallographic orientation of grains within metal components has
been unachievable before the advent of metals additive manufacturing (AM) technologies …
been unachievable before the advent of metals additive manufacturing (AM) technologies …
High fidelity model of directed energy deposition: Laser-powder-melt pool interaction and effect of laser beam profile on solidification microstructure
Metal additive manufacturing technologies keep receiving a great deal of interest as well as
strong requests to develop methods to link the process science to printed parts performance …
strong requests to develop methods to link the process science to printed parts performance …
Impact of fluid flow on the dendrite growth and the formation of new grains in additive manufacturing
Manipulating the formation of new grains in metal additive manufacturing (AM) is critical for
tailoring the grain structure in the as-built components. Temperature gradient and …
tailoring the grain structure in the as-built components. Temperature gradient and …
Grain refinement mechanisms in additively manufactured nano-functionalized aluminum
JH Martin, B Yahata, J Mayer, R Mone, E Stonkevitch… - Acta Materialia, 2020 - Elsevier
Additive manufacturing (AM) is a new and promising production methodology adept at
producing complex geometries, which can be optimized for lower weight and enhanced …
producing complex geometries, which can be optimized for lower weight and enhanced …
Predicting the microstructural evolution of electron beam melting of alloy 718 with phase-field modeling
Electron beam melting (EBM) is a powder bed additive manufacturing process where a
powder material is melted selectively in a layer-by-layer approach using an electron beam …
powder material is melted selectively in a layer-by-layer approach using an electron beam …