Defects and anomalies in powder bed fusion metal additive manufacturing
Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …
[HTML][HTML] A review of residual stress and deformation modeling for metal additive manufacturing processes
A Rashid, A Gopaluni - Chinese Journal of Mechanical Engineering …, 2023 - Elsevier
A metal additive manufacturing process results in a nearly net-shaped fabrication of parts
directly from digital data. A local heat source melts the deposited material, and a part is built …
directly from digital data. A local heat source melts the deposited material, and a part is built …
Effect of the scanning strategy on the formation of residual stresses in additively manufactured Ti-6Al-4V
During the laser-powder bed fusion (L-PBF) process, high laser intensities, short interaction
times and highly localized heat input drive large thermal gradients that result in a state of …
times and highly localized heat input drive large thermal gradients that result in a state of …
Rapid calculation of part scale residual stress–Powder bed fusion of stainless steel, and aluminum, titanium, nickel alloys
A novel analytical model is developed to compute the part scale through-thickness
longitudinal residual stress distributions and applied for laser powder bed fusion of four …
longitudinal residual stress distributions and applied for laser powder bed fusion of four …
ExaAM: Metal additive manufacturing simulation at the fidelity of the microstructure
Additive manufacturing (AM), or 3D printing, of metals is transforming the fabrication of
components, in part by dramatically expanding the design space, allowing optimization of …
components, in part by dramatically expanding the design space, allowing optimization of …
Outcomes and conclusions from the 2018 AM-bench measurements, challenge problems, modeling submissions, and conference
Abstract The Additive Manufacturing Benchmark (AM-Bench) test series was established to
provide rigorous measurement test data for validating additive manufacturing (AM) …
provide rigorous measurement test data for validating additive manufacturing (AM) …
Modeling and experimental validation of an immersed thermo-mechanical part-scale analysis for laser powder bed fusion processes
M Carraturo, J Jomo, S Kollmannsberger, A Reali… - Additive …, 2020 - Elsevier
The capability of correctly predicting part deflections after support removal is important to
assess the quality of a final artifact produced by laser powder bed fusion (LPBF) technology …
assess the quality of a final artifact produced by laser powder bed fusion (LPBF) technology …
[HTML][HTML] Multi-scale model to simulate stress directionality in laser powder bed fusion: Application to thin-wall part failure
In this study, line heat inputs are lumped to improve the computational efficiency while
preserving stress directionality in laser powder bed fusion (LPBF). The lumped hybrid line …
preserving stress directionality in laser powder bed fusion (LPBF). The lumped hybrid line …
Towards improved speed and accuracy of laser powder bed fusion simulations via multiscale spatial representations
RK Ganeriwala, NE Hodge, JM Solberg - Computational Materials Science, 2021 - Elsevier
Due to the growing popularity of laser powder bed fusion (LPBF) as a metal additive
manufacturing technique, there is a strong need to be able to accurately predict build …
manufacturing technique, there is a strong need to be able to accurately predict build …
Scanning manufacturing parameters determining the residual stress state in LPBF IN718 small parts
I Serrano-Munoz, A Ulbricht, T Fritsch… - Advanced …, 2021 - Wiley Online Library
The influence of scan strategy on the residual stress (RS) state of an as‐built IN718 alloy
produced by means of laser powder bed fusion (LPBF) is investigated. Two scan vector …
produced by means of laser powder bed fusion (LPBF) is investigated. Two scan vector …