Variable polarity plasma arc welding: process development and its recent developments of detecting, modeling, and controlling

F Jiang, W Li, B Xu, W Cheng, G Zhang, X Ma… - Journal of Manufacturing …, 2024 - Elsevier
Variable polarity plasma arc welding (VPPAW) is a highly efficient method for joining
aluminum and magnesium alloys, primarily because of the automatic removal of oxide …

Precipitation characteristics and morphological transitions of Al3Sc precipitates

P Xu, F Jiang, M Tong, Z Tang, J Jiang, N Yan… - Journal of Alloys and …, 2019 - Elsevier
Abstract Al-xMg-0.3 Sc (x= 0, 3%, 5%) alloys with different Mg contents were designed to
study the effect of Mg on the precipitation characteristics and morphological transitions of Al …

Microstructure and mechanical properties of welds at keyhole closures in variable-polarity plasma arc aluminum welding

X Wang, Z Yan, K Liu, D Meng, R Pan, J Xiao… - Journal of Manufacturing …, 2024 - Elsevier
The variable-polarity plasma arc (VPPA) keyhole welding technology offers an efficient
solution for producing defect-free aluminum alloys, but a keyhole is left at the end of the …

Study on impact toughness and fracture behaviour of an Al–Mg-Sc alloy

J Jiang, F Jiang, M Zhang, K Yi - Vacuum, 2023 - Elsevier
The impact toughness and fracture behavior of an Al–Mg-Sc alloy at two different
temperatures were investigated. The results reveal that the maximum load at room …

[HTML][HTML] Microstructure, mechanical property and thermo-stability of traditionally and severely deformed Al–Mg–Sc–Zr alloy

J Jiang, H Chen, X Cao, F Jiang, M Zhang - Journal of Materials Research …, 2022 - Elsevier
The effect of annealing temperature on microstructure and mechanical property of rolling
and equal channel angular pressing Al–Mg–Sc–Zr alloy were studied. The ECAP passes …

Investigation on microstructure, mechanical properties and corrosion behavior of VPPA welded Al–Mg–Mn–Sc–Zr alloy

Z Tang, F Jiang, P Xu, J Jiang, J Zeng, L Lu… - Materials Today …, 2020 - Elsevier
Abstract Variable Polarity Plasma Arc Welding (VPPAW) can be used for the excellent
welding of a 6 mm thick Al–Mg–Mn–Sc–Zr alloy, promising for the aerospace applications …

The recrystallization behavior of shear band in room temperature ECAPed Al-Mg-Mn-Sc-Zr alloy

J Jiang, F Jiang, M Zhang, Z Tang, M Tong - Materials Characterization, 2021 - Elsevier
Abstract The Al-6 Mg-0.4 Mn-0.25 Sc-0.1 Zr extrusion rod was subjected to ECAP for 1 pass
at room temperature to get the nonuniform structure. Then, the samples were annealed …

Effects of annealing under fixed temperature and cyclic temperature on strength and microstructure of Al–Mg–Mn-Sc-Zr alloy

J Jiang, F Jiang, M Zhang, P Xu, Z Tang… - Materials Science and …, 2019 - Elsevier
Fractures sometimes are located at heat affected zone rather than weld zone in weldments.
This phenomenon may be related with the thermal shock which impacts the heat affected …

Effect of welding wires on root bend property of MIG-welded 7N01-T4 aluminium alloy joints

P Wei, M Wu, D Liu, Z Zhao, Y Liang - Journal of Adhesion Science …, 2023 - Taylor & Francis
Suitable welding wire is a key factor affecting the quality of 7N01 aluminium alloy welded
joints for high-speed trains. The effect of ER5356 and ER5087 welding wires on …

Effect of continuity of annealing time on the recrystallization behavior of Al-Mg-Mn-Sc-Zr alloy

J Jiang, F Jiang, M Zhang, Z Tang, M Tong - Materials Letters, 2020 - Elsevier
Abstract Recrystallization behavior of Al-Mg-Mn-Sc-Zr alloy have been studied after two
different annealing ways. The one way is keeping the cold rolling plate of the alloy in 550° C …