Revisiting fundamental welding concepts to improve additive manufacturing: From theory to practice

JP Oliveira, TG Santos, RM Miranda - Progress in Materials Science, 2020 - Elsevier
Additive manufacturing technologies based on melting and solidification have considerable
similarities with fusion-based welding technologies, either by electric arc or high-power …

Vibration assisted welding processes and their influence on quality of welds

MJ Jose, SS Kumar, A Sharma - Science and Technology of …, 2016 - journals.sagepub.com
Vibration assisted welding (VAW) has emerged as a successful replacement for heat
treatments and post-weld vibration treatments of arc welds to reduce residual stresses and …

Grain refinement of alloys in fusion-based additive manufacturing processes

D Zhang, A Prasad, MJ Bermingham, CJ Todaro… - … Materials Transactions A, 2020 - Springer
One of the less desirable aspects of fusion-based additive manufacturing is the propensity
for coarse columnar grain structures crossing build layers to form. This paper initially …

Effect of beam oscillating pattern on weld characterization of laser welding of AA6061-T6 aluminum alloy

L Wang, M Gao, C Zhang, X Zeng - Materials & Design, 2016 - Elsevier
Laser oscillating welding was employed to join 4 mm-thick AA6061-T6 aluminum alloy in
butt configuration. Three beam oscillating patterns that are transversal, longitudinal and …

Grain refining of magnesium welds by arc oscillation

T Yuan, Z Luo, S Kou - Acta Materialia, 2016 - Elsevier
Grain refining is known to improve the solidification-cracking resistance and mechanical
properties of welds. Mg alloys are increasingly used for vehicle weight reduction. The …

Circular oscillating laser melting deposition of nickel-based superalloy reinforced by WC: Microstructure, wear resistance and electrochemical properties

Y **a, H Chen, X Liang, J Lei - Journal of Manufacturing Processes, 2021 - Elsevier
Circular oscillating laser was used to deposit GH3536 nickel-based superalloy, GH3536-16
wt.% coarse WC and GH3536-16 wt.% fine WC composite. The microstructure …

Role of scan strategies on thermal gradient and solidification rate in electron beam powder bed fusion

YS Lee, MM Kirka, RB Dinwiddie, N Raghavan… - Additive …, 2018 - Elsevier
Local microstructure control in electron beam powder bed fusion (EB-PBF) is of great
interest to the additive manufacturing community to realize complex part geometry with …

Microstructural characterization and mechanical properties of Al/Ti joint welded by CMT method—Assisted hybrid magnetic field

QJ Sun, JZ Li, YB Liu, BP Li, PW Xu, JC Feng - Materials & Design, 2017 - Elsevier
A novel external axial magnetic field (EMF) hybrid CMT welding-brazing process was
adopted to join pure titanium TA2 and aluminum alloy 6061-T6. The effects of the magnetic …

Microstructure and mechanical properties of Flexible Ring Mode laser welded 304 stainless steel

W **e, H Tu, K Nian, D Zhang, X Zhang - Optics & Laser Technology, 2024 - Elsevier
Abstract Flexible Ring Mode (FRM) laser welding is a relatively new composite laser
welding technology. The present study focused on the FRM laser welded joints produced …

Effect of axial external magnetic field on cold metal transfer welds of aluminum alloy and stainless steel

Y Liu, Q Sun, J Liu, S Wang, J Feng - Materials Letters, 2015 - Elsevier
External magnetic field (EMF) is favored for application in welding, due to their positive
effects on joint quality. This paper studies the effects of EMF on cold metal transfer welds of …