Progress and perspectives of in-situ optical monitoring in laser beam welding: Sensing, characterization and modeling

D Wu, P Zhang, Z Yu, Y Gao, H Zhang, H Chen… - Journal of Manufacturing …, 2022 - Elsevier
Laser beam welding manufacturing (LBW), being a promising joining technology with
superior capabilities of high-precision, good-flexibility and deep penetration, has attracted …

Design, properties, and weldability of advanced oxidation-resistant FeCrAl alloys

MN Gussev, KG Field, Y Yamamoto - Materials & Design, 2017 - Elsevier
Abstract Iron-chromium-aluminum (FeCrAl) alloys are promising as corrosion-and oxidation-
resistant materials for high-temperature applications. However, further design and …

[HTML][HTML] Evolution of microstructural heterogeneities in additively manufactured low-alloy steel

A Turnali, SAH Motaman, Y Chang, B Böttger… - Additive …, 2023 - Elsevier
Understanding the complex phase transformations during additive manufacturing (AM) of
low-alloy multi-phase steels is a necessary task to discover the mechanisms that lead to …

Local microstructure and mechanical characteristics of HAZ and tensile behavior of laser welded QP980 joints

J Xue, W Guo, Y Zhang, M Xia, Q Jia, J Chi, J Shi… - Materials Science and …, 2022 - Elsevier
Microstructural evolution of the heat-affected zone (HAZ) seriously affects the mechanical
properties of the welded joints. In this paper, QP980 steels were butt-welded by fiber laser …

Numerical simulation and designing artificial neural network for estimating melt pool geometry and temperature distribution in laser welding of Ti6Al4V alloy

M Akbari, S Saedodin, A Panjehpour, M Hassani… - Optik, 2016 - Elsevier
Weld geometry is a critical factor for determining the quality of Ti6Al4V welded joints. The
size of the weld cross section profile has been quantitatively investigated through …

Microstructure and tensile behavior of fiber laser-welded blanks of DP600 and DP980 steels

Q Jia, W Guo, W Li, Y Zhu, P Peng, G Zou - Journal of Materials Processing …, 2016 - Elsevier
Dissimilar joints of DP600-DP980 were made by fiber laser welding with a focused and
defocused beam. The defocused laser intensified the hardness drop of the softened heat …

Determination of the local constitutive properties of the welded steel joints using digital image correlation method

Y Peng, C Wu, J Gan, J Dong - Construction and Building Materials, 2018 - Elsevier
The digital image correlation (DIC) method has become popular to characterize the local
constitutive properties distribution especially for the welded joints. Although the evaluation of …

Characterization of heterogeneous constitutive relationship of the welded joint based on the stress-hardness relationship using micro-hardness tests

Y Peng, C Wu, J Gan, J Dong - Construction and Building Materials, 2019 - Elsevier
Heterogeneous constitutive properties across the welded zone affect the accuracy of the
simulation of the fracture and large plastic deformation of the welded steel joints. Neglecting …

Experimental and numerical study on local mechanical properties and failure analysis of laser welded DP980 steels

Q Jia, W Guo, W Li, P Peng, Y Zhu, G Zou… - Materials Science and …, 2017 - Elsevier
DP980 steel was welded using Nd: YAG laser with low heat input (4 m/min) and high heat
input (1 m/min). The ultimate tensile strength (UTS) of the low heat input welded joint …

Determination of local constitutive properties in similar and dissimilar friction stir welded joints from DIC based surface strain measurement in two mutually …

H Suthar, A Bhattacharya, SK Paul - Mechanics of Materials, 2021 - Elsevier
In the present work, local constitutive properties of similar and dissimilar friction stir weld
(FSW) joints of AA6061-T6 and AA7075-T6 are evaluated using a modified non-uniform …