Defects and anomalies in powder bed fusion metal additive manufacturing

A Mostafaei, C Zhao, Y He, SR Ghiaasiaan… - Current Opinion in Solid …, 2022 - Elsevier
Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …

[HTML][HTML] Effects of defects on mechanical properties in metal additive manufacturing: A review focusing on X-ray tomography insights

A Du Plessis, I Yadroitsava, I Yadroitsev - Materials & Design, 2020 - Elsevier
X-ray tomography has emerged as a uniquely powerful and non-destructive tool to analyze
defects in additive manufacturing. Defects include unintended porosity, rough surfaces and …

[HTML][HTML] Mechanistic models for additive manufacturing of metallic components

HL Wei, T Mukherjee, W Zhang, JS Zuback… - Progress in Materials …, 2021 - Elsevier
Additive manufacturing (AM), also known as 3D printing, is gaining wide acceptance in
diverse industries for the manufacturing of metallic components. The microstructure and …

A review of X-ray computed tomography of concrete and asphalt construction materials

A du Plessis, WP Boshoff - Construction and Building Materials, 2019 - Elsevier
The microstructural details of concrete and asphalt construction materials are crucial in
understanding and improving their material properties for structural applications in civil …

A review of microstructure characterization of asphalt mixtures using computed tomography imaging: Prospects for properties and phase determination

J Taheri-Shakib, A Al-Mayah - Construction and Building Materials, 2023 - Elsevier
The analysis of microstructural characteristics and evolution of asphalt mixtures is essential
due to their impact on the macroscopic performance of the pavement. X-ray Computed …

Image-based numerical characterization and experimental validation of tensile behavior of octet-truss lattice structures

N Korshunova, G Alaimo, SB Hosseini, M Carraturo… - Additive …, 2021 - Elsevier
The production of lightweight metal lattice structures has received much attention due to the
recent developments in additive manufacturing (AM). The design flexibility comes, however …

[HTML][HTML] In-situ SEM investigation on fatigue behaviors of additive manufactured Al-Si10-Mg alloy at elevated temperature

Z Wang, W Wu, G Qian, L Sun, X Li… - Engineering Fracture …, 2019 - Elsevier
In-situ high temperature measurement in a scanning electron microscopy (SEM)
environment is an important technique for exploring the microstructure evolution and crack …

Optimization of LB-PBF process parameters to achieve best relative density and surface roughness for Ti6Al4V samples: Using NSGA-II algorithm

V Panahizadeh, AH Ghasemi, Y Dadgar Asl… - Rapid Prototyping …, 2022 - emerald.com
Purpose This paper aims to study multiobjective genetic algorithm ability in determining the
process parameter and postprocess condition that leads to maximum relative density (RD) …

[HTML][HTML] Standard method for microCT-based additive manufacturing quality control 1: Porosity analysis

A Du Plessis, P Sperling, A Beerlink, L Tshabalala… - MethodsX, 2018 - Elsevier
MicroCT is a well-established technique that is used to analyze the interior of objects non-
destructively, and it is especially useful for void or porosity analysis. Besides its widespread …

[HTML][HTML] Standard method for microCT-based additive manufacturing quality control 4: Metal powder analysis

A Du Plessis, P Sperling, A Beerlink, WB Du Preez… - MethodsX, 2018 - Elsevier
X-ray micro computed tomography (microCT) can be applied to analyse powder feedstock
used in additive manufacturing. In this paper, we demonstrate a dedicated workflow for this …