This work focuses on the occurrence of shrinkage porosity and its manifestation in Alloy 718
during laser-powder bed fusion (PBF-LB) processing. Shrinkage porosity is a common …

Relationships between prior beta grain size in solidified Ti-6Al-4V and melting process
parameters in the Electron Beam Melting (EBM) process are investigated. Samples are built …

In this work, melt pool size in process mapped in power-velocity space for multiple
processes and alloys. In the electron beam wire feed and laser powder feed processes, melt …

Although ceramic particle‐metal matrix materials (ie, cermets) can offer superior
performance, manufacturing these materials via conventional means is difficult compared to …

There is growing interest in using additive manufacturing for various alloy systems and
industrial applications. However, existing process development and part qualification …

The continually growing market for metal components fabricated using additive
manufacturing (AM) processes has called for a greater understanding of the effects of …

Additive manufacturing (AM) processes are candidates for manufacturing and repair in the
aerospace industry. For process stability, control of melt pool dimensions is imperative. This …

In this work, relationships between prior beta grain size in solidified Ti-6Al-4V and melting
process parameters in the Arcam Electron Beam Melting (EBM) process are investigated …

Additive manufacturing (AM) shows great promise for the manufacturing of nextgeneration
engineering structures by enabling the production of engineered cellular structures …

One of the greatest challenges in additive manufacturing is fabricating titanium structures
with consistent and desirable microstructure. To date, fully columnar deposits have been …