Optimized and autonomous machine learning framework for characterizing pores, particles, grains and grain boundaries in microstructural images

R Perera, D Guzzetti, V Agrawal - Computational Materials Science, 2021 - Elsevier
Additively manufactured metals exhibit heterogeneous microstructure which dictates their
material and failure properties. Experimental microstructural characterization techniques …

Automated defect analysis of additively fabricated metallic parts using deep convolutional neural networks

S Nemati, H Ghadimi, X Li, LG Butler, H Wen… - Journal of Manufacturing …, 2022 - mdpi.com
Laser powder bed fusion (LPBF)-based additive manufacturing (AM) has the flexibility in
fabricating parts with complex geometries. However, using non-optimized processing …

Comparison of machine learning methods for automatic classification of porosities in powder-based additive manufactured metal parts

N Satterlee, E Torresani, E Olevsky, JS Kang - The International Journal of …, 2022 - Springer
An outstanding problem of additive manufacturing is the variability in part quality caused by
process-induced defects such as porosity. Image-based porosity detection represents a …

Generative adversarial networks assisted machine learning based automated quantification of grain size from scanning electron microscope back scatter images

A Anantatamukala, KVM Krishna, NB Dahotre - Materials Characterization, 2023 - Elsevier
In this research, a novel approach for the automated quantification of grain size in single-
phase materials using scanning electron microscopy (SEM) based back scattering electron …

An end-to-end computer vision methodology for quantitative metallography

M Rusanovsky, O Beeri, G Oren - Scientific Reports, 2022 - nature.com
Metallography is crucial for a proper assessment of material properties. It mainly involves
investigating the spatial distribution of grains and the occurrence and characteristics of …

Automated analysis of grain morphology in TEM images using convolutional neural network with CHAC algorithm

X Xu, Z Yu, WY Chen, A Chen, A Motta… - Journal of Nuclear …, 2024 - Elsevier
The shape and size of grains significantly impact the properties of polycrystalline materials.
In particular, high temperature and radiation exposure in nuclear reactors can lead to …

Application of deep learning workflow for autonomous grain size analysis

A Bordas, J Zhang, JC Nino - Molecules, 2022 - mdpi.com
Traditional grain size determination in materials characterization involves microscopy
images and a laborious process requiring significant manual input and human expertise. In …

Failure classification of porous additively manufactured parts using Deep Learning

KL Johnson, D Maestas, JM Emery, MD Grigoriu… - Computational Materials …, 2022 - Elsevier
Microstructural features are one of the most important factors that determine performance
and failure of engineering structures. In metal parts produced through Additive …

[HTML][HTML] The application of convolutional neural networks (CNNs) to recognize defects in 3D-printed parts

H Wen, C Huang, S Guo - Materials, 2021 - mdpi.com
Cracks and pores are two common defects in metallic additive manufacturing (AM) parts. In
this paper, deep learning-based image analysis is performed for defect (cracks and pores) …

Grain and grain boundary segmentation using machine learning with real and generated datasets

P Warren, N Raju, A Prasad, MS Hossain… - Computational Materials …, 2024 - Elsevier
We report a significantly improved accuracy in grain boundary segmentation using
Convolutional Neural Networks (CNN) trained on a combination of real and generated data …