Effects of pulsed Nd: YAG laser welding parameters on penetration and microstructure characterization of a DP1000 steel butt joint

X Xue, AB Pereira, J Amorim, J Liao - Metals, 2017 - mdpi.com
Of particular importance and interest are the effects of pulsed Nd: YAG laser beam welding
parameters on penetration and microstructure characterization of DP1000 butt joint, which is …

Through-thickness distribution of residual stresses in Q345qD butt-welded steel plates

B Qiang, Y Li, C Yao, X Wang, Y Gu - Journal of Materials Processing …, 2018 - Elsevier
Welding residual stress measurements were performed on 16-, 40-, 60-, 80-, and 100-mm-
thick, welded Q345qD steel plates. The through-thickness stresses are almost uniformly …

Residual stress and welding distortion of Al/steel butt joint by arc-assisted laser welding-brazing

C Li, FAN Ding, X Yu, J Huang - … of Nonferrous Metals Society of China, 2019 - Elsevier
The thermo-elastic-plastic finite element method (FEM) is used to simulate the thermo-
mechanical behavior of Al/steel tungsten inert gas (TIG) arc-assisted laser welding-brazing …

Prediction of residual stresses in gas arc welding by back propagation neural network

M Ahmadzadeh, AH Fard, B Saranjam, HR Salimi - NDT & E International, 2012 - Elsevier
This paper presents the development of a back propagation neural network model for the
prediction of maximum residual stresses produced in gas metal arc welding process. The …

Strength characteristics of heat-affected zones in welded aluminum connections

N Nazemi, F Ghrib - Journal of Engineering Mechanics, 2019 - ascelibrary.org
This study proposes a methodology to predict the capacity of aluminum welded connections.
In order to evaluate the material characteristics within the heat-affected zone, an inverse …

Finite element analysis of the effect of porosity on residual stress in 2024 aluminium alloy GTAW

P Poolperm, W Nakkiew, N Naksuk - Materials Research Express, 2020 - iopscience.iop.org
Simulations of the welding process for butt joints using finite element analysis (FEA) of the
effect of porosity are presented. The metal used was aluminium alloy (grade 2024), and the …

FE Simulation of Residual Welding Stresses: Aluminium and Steel Structural Components

P Knoedel, S Gkatzogiannis… - Key Engineering …, 2016 - Trans Tech Publ
One of the decisive criteria in the selection of material between steel and aluminium could
be the welding RS (residual stresses), which play an important role for the fatigue behavior …

[HTML][HTML] Effect of Weld Heat Input Modeling and the Material Hardening Model for Gas Tungsten Arc Welding Finite Element Analysis

창영오, 용준강, 승건이, 준영전, 성식강 - Journal of Welding and Joining, 2021 - e-jwj.org
The effects of weld heat input modeling and the material hardening model on gas tungsten
arc welding were evaluated by implementing different input models in a finite element …

Numerical investigation of thermocapillary-induced deposited shape in fused-coating additive manufacturing process of aluminum alloy

J Du, Z Wei - Journal of Physics Communications, 2018 - iopscience.iop.org
In varying polarity gas tungsten arc welding (VP-GTAW) based metal fused-coating additive
manufacturing (AM), the surface topographies of deposited layer are more complex than …

Identification of the mechanical properties in the heat-affected zone of aluminum welded structures

N Nazemi - 2015 - scholar.uwindsor.ca
Welding is employed as a joining technique for aluminum in industries such as the
automotive, construction, and aerospace. The heat generated by welding adversely affects …