Predictive process mapping for laser powder bed fusion: A review of existing analytical solutions

AK Agrawal, B Rankouhi, DJ Thoma - Current Opinion in Solid State and …, 2022 - Elsevier
One of the main challenges in the laser powder bed fusion (LPBF) process is making dense
and defect-free components. These porosity defects are dependent upon the melt pool …

Varied heat treatments and properties of laser powder bed printed Inconel 718

R Jiang, A Mostafaei, J Pauza, C Kantzos… - Materials Science and …, 2019 - Elsevier
The effects of post-build heat-treatments on the microstructure, phase formation,
recrystallization behavior, and mechanical properties of laser powder bed additively …

Effect of cooling rate on microsegregation during solidification of superalloy INCONEL 718 under slow-cooled conditions

X Shi, SC Duan, WS Yang, HJ Guo, J Guo - Metallurgical and Materials …, 2018 - Springer
The solidification sequence, microstructural evolution, solid-liquid interface variation,
interdendritic segregation, and elemental distribution of as-cast IN718 alloy at three slow …

Modeling of the vacuum arc remelting process for estimation and control of the liquid pool profile

JJ Beaman, L Felipe Lopez… - Journal of …, 2014 - asmedigitalcollection.asme.org
Vacuum arc remelting (VAR) is an industrial metallurgical process widely used throughout
the specialty metals industry to cast large alloy ingots. The final ingot grain structure is …

Particle filtering on GPU architectures for manufacturing applications

F Lopez, L Zhang, A Mok, J Beaman - Computers in Industry, 2015 - Elsevier
Particle filters are nonlinear estimators that can be used to detect anomalies in
manufacturing processes. Although promising, their high computational cost often prevents …

Operational Experience of Large Sized ESR Plants and Attainable Quality of ESR Ingots with a Diameter of up to 2600mm

M Kubin, A Scheriau, M Knabl, H Holzgruber… - Proceedings of the 2013 …, 2016 - Springer
In the last years the field of remelting was mainly characterized by the commissioning of
large sized ESR plants for the production of ESR ingots with a diameter up to 2.600 mm and …

Three dimensional methodology to characterize large dendritic equiaxed grains in industrial steel ingots

M Gennesson, J Zollinger, D Daloz, B Rouat… - Materials, 2018 - mdpi.com
The primary phase grain size is a key parameter to understand the formation of the
macrosegregation pattern in large steel ingots. Most of the characterization techniques use …

Implementation of a particle filter on a GPU for nonlinear estimation in a manufacturing remelting process

F Lopez, L Zhang, J Beaman… - 2014 IEEE/ASME …, 2014 - ieeexplore.ieee.org
This paper discusses the use of modern methods for estimation in Vacuum Arc Remelting, a
manufacturing process used in the production of specialty metals for aerospace …

Microstructure evolution during thermal aging of Inconel 718

RS Devarapalli, E Marin, J Cormier, C Le Gall… - … of Minerals, Metals, and …, 2016 - Springer
The Inconel 718 superalloy was subjected to isothermal and cyclic thermal annealing at
750° C to assess its expected use at higher temperatures. Mcrostructure evaluation during …

Emerging Nexis of Cyber, Modeling, and Estimation in Advanced Manufacturing

J Beaman, F Lopez - Mechanical Engineering, 2014 - asmedigitalcollection.asme.org
This article describes opportunities for exploiting cyber, modeling, and estimation technical
areas for advanced manufacturing in small lots. In particular, Cyber Enabled Manufacturing …