Defects in metal additive manufacturing processes
The formation of defects within additive-manufactured (AM) components is a major concern
for critical structural and cyclic load applications. Thus, understanding the mechanisms of …
for critical structural and cyclic load applications. Thus, understanding the mechanisms of …
Exploring the potential and recent advancement in laser Opto-ultrasonic detection for material characterization: A state-of-the-art review
H Sattar, Z Hu, W Zheng, J Zhou, MK Shahzad… - Optics & Laser …, 2024 - Elsevier
The optimization and characterization of material properties pose a fundamental challenge
in ensuring the quality and service life of materials and components. Heat treatment …
in ensuring the quality and service life of materials and components. Heat treatment …
Use of ultrasound to identify microstructure-property relationships in 316 stainless steel fabricated with binder jet additive manufacturing
In the present study, stainless steel 316 L (SS316L) and stainless steel 316 infiltrated with
bronze (SS316+ bronze) samples fabricated with binder jet additive manufacturing were …
bronze (SS316+ bronze) samples fabricated with binder jet additive manufacturing were …
Investigation of frequency-dependent attenuation coefficients for multiple solids using a reliable pulse-echo ultrasonic measurement technique
A well-established narrowband pulse-echo technique is employed and improved further to
investigate the frequency-dependent ultrasonic wave attenuation in various solids. During …
investigate the frequency-dependent ultrasonic wave attenuation in various solids. During …
[HTML][HTML] Influence of grain morphology on ultrasonic wave attenuation in polycrystalline media with statistically equiaxed grains
The influence of a polycrystals' grain structure on elastic wave scattering is studied with
analytical and numerical methods in a broad frequency range. A semi-analytical attenuation …
analytical and numerical methods in a broad frequency range. A semi-analytical attenuation …
[HTML][HTML] Scaling up the cold sintering process of ceramics
A Jabr, HN Jones, AP Argüelles… - Journal of the European …, 2023 - Elsevier
The cold sintering process (CSP) densifies ceramics below 300° C by utilizing a transient
phase and applied pressure. Although CSP has been employed for densifying a variety of …
phase and applied pressure. Although CSP has been employed for densifying a variety of …
Grain size distribution characterization of aluminum with a particle swarm optimization neural network using laser ultrasonics
A single average grain size has been used to characterize all grain sizes of polycrystalline
materials. However, the grain size distribution also affects performance and quality. A grain …
materials. However, the grain size distribution also affects performance and quality. A grain …
Prediction of grain size distribution in microstructure of polycrystalline materials using one dimensional convolutional neural network (1D-CNN)
This paper presents a machine learning (ML) framework for online prediction of grain size
distribution in microstructures of polycrystalline materials. The testing and training databases …
distribution in microstructures of polycrystalline materials. The testing and training databases …
Grain-size distribution effects on the attenuation of laser-generated ultrasound in α-titanium alloy
X Bai, Y Zhao, J Ma, Y Liu, Q Wang - Materials, 2018 - mdpi.com
Average grain size is usually used to describe a polycrystalline medium; however, many
investigations demonstrate the grain-size distribution has a measurable effect on most of …
investigations demonstrate the grain-size distribution has a measurable effect on most of …
In-situ measurement of Ti-6Al-4V grain size distribution using laser-ultrasonic technique
F Dong, X Wang, Q Yang, H Liu, D Xu, Y Sun, Y Zhang… - Scripta Materialia, 2018 - Elsevier
A laser-ultrasonic system was established combining an 8 ns width pulsed laser for
ultrasound generation and a two-wave mixing (TWM) interferometer for detection. Several Ti …
ultrasound generation and a two-wave mixing (TWM) interferometer for detection. Several Ti …