Additive manufacturing (AM) has been widely used to fabricate functional metal parts in
automobile, aerospace, energy, and medical device industries due to its flexible process …

Laser-based additive manufacturing methods allow the production of complex metal
structures within a single manufacturing step. However, the localized heat input and the …

Residual stresses are a major issue in the Selective Laser Melting process, which allows to
build near net shape parts by stacking several thousand weld beads. This experimental …

Especially in the Laser Powder Bed Fusion (L-PBF) technology for metals, current
manufacturing systems require the use of support structure to withstand recoater forces and …

Maturation of powder-bed additive manufacturing (AM) is essential for the business benefit
the rapid adoption of AM offers to industry. One of the principal challenges in powder-bed …

During the L-PBF process stresses are developed due to the large temperature gradients
induced by the laser beam and the fast cooling rates which occur while the part is being …

In this study, a thermomechanical model is developed to predict the melt-pool dimensions
and residual stresses for laser powder bed fusion process. Inherent strain method is also …

This work provides results and analysis of the in situ thermal measurement acquired during
the 3D builds performed for the 2018 additive manufacturing benchmark tests. The objective …

Selective laser melting (SLM) has become one of the most widely used laser additive
manufacturing technologies today. However, the proper selection of scanning strategies is …

The residual stress distribution in IN718 elongated prisms produced by selective laser
melting was studied by means of neutron (bulk) and laboratory X-ray (surface) diffraction …