Additive manufacturing (AM), also known as 3D printing, is gaining wide acceptance in
diverse industries for the manufacturing of metallic components. The microstructure and …

Additive manufacturing (AM) processes have proven to be a perfect match for topology
optimization (TO), as they are able to realize sophisticated geometries in a unique layer-by …

The supplying powder jet conditions in a direct deposition process greatly influence the
quality and property of deposition products. Coaxial powder flow provides the means of …

The additive manufacturing technique of laser direct metal deposition allows multiple tracks
of full density metallic material to be built to form complex parts for rapid tooling and …

A three dimensional finite element (FE) model was developed to simulate residual stress
induced for laser cladding of AISI 4340 steel powder onto a similar substrate material. A …

This paper addresses a comprehensive analytical model for the laser powder-fed additive
manufacturing (LPF-AM) process, also known as directed energy deposition AM. The model …

Laser-based direct metal deposition (DMD) is a solid freeform fabrication process capable of
fabricating fully dense and metallurgically sound parts. The process has been greatly …

Results of a mathematical modeling of metal substrate melting and formation of a solid
cladding layer by injection of powder particles through a coaxial nozzle during laser …

In this research work a numerical model which simulates the powder flux distribution on a
coaxial nozzle is presented. CFD fluent code was used to solve the model equations. The …

Laser-powder-based directed energy deposition (DED) process has been used extensively
and becomes more and more popular in part manufacturing, repairing and prototype …