Fusion welding of ultra-high strength structural steels–A review

M Tümer, C Schneider-Bröskamp… - Journal of Manufacturing …, 2022 - Elsevier
Large-scale usage of high and ultra-high strength steels is strongly linked to the availability
of suitable joining techniques ensuring consistent properties throughout the welded …

Laser cutting technique: A literature review

P Khatak - Materials Today: Proceedings, 2022 - Elsevier
Laser cutting is single of the furthermost extensively utilized thermal power process-based
non-contact types for cutting of materials, like titanium, stainless steel, aluminum and alloys …

Effects of heat input on the mechanical properties of butt-welded high and ultra-high strength steels

M Amraei, A Ahola, S Afkhami, T Björk… - Engineering …, 2019 - Elsevier
In this study, the mechanical properties of butt-welded thin plates made of S700, S960 and
S1100 steels under various heat inputs (HI) are investigated. The gas metal arc welding …

[HTML][HTML] Numerical and experimental investigations on the welding residual stresses and distortions of the short fillet welds in high strength steel plates

M Ghafouri, A Ahola, J Ahn, T Björk - Engineering Structures, 2022 - Elsevier
The current study investigates the influence of different welding sequences and external
constraints on development of welding-induced angular distortion and residual stresses in …

[HTML][HTML] Thermomechanical simulation of the heat-affected zones in welded ultra-high strength steels: Microstructure and mechanical properties

S Afkhami, V Javaheri, M Amraei, T Skriko, H Piili… - Materials & Design, 2022 - Elsevier
Ultra-high strength steels (UHSS) have a determining role in construction and industry.
Furthermore, welding as the primary joining process for steel has a similar role in promoting …

Mechanical properties and microstructural evaluation of the heat-affected zone in ultra-high strength steels

M Amraei, S Afkhami, V Javaheri, J Larkiola… - Thin-Walled …, 2020 - Elsevier
This paper presents an investigation into the mechanical properties of ultra-high strength
steels (UHSSs)(with nominal yield stress of 960 and 1100 MPa) after welding. Seven weld …

Comparison of microstructure and mechanical properties of ultra-narrow gap laser and gas-metal-arc welded S960 high strength steel

W Guo, L Li, S Dong, D Crowther… - Optics and Lasers in …, 2017 - Elsevier
The microstructural characteristics and mechanical properties, including micro-hardness,
tensile properties, three-point bending properties and Charpy impact toughness at different …

Finite element simulation of welding distortions in ultra-high strength steel S960 MC including comprehensive thermal and solid-state phase transformation models

M Ghafouri, J Ahn, J Mourujärvi, T Björk, J Larkiola - Engineering structures, 2020 - Elsevier
The objective of this study is developing a thermo-metallurgical-mechanical finite element
(FE) model incorporating the effect of solid-state phase transformation (SSPT) to accurately …

Effects of weld penetration modes on laser welding characteristics of a novel ultra-high strength steel for aerospace application

Z Liu, X Li, L Pan, J Gao, K Zhang - Journal of Manufacturing Processes, 2023 - Elsevier
Abstract 30Cr3 steel is a novel ultra-high strength steel with good matching of strength and
toughness, which has been mainly used for aerospace applications. At present, there is still …

Low temperature impact toughness of high strength structural steel

L Tong, L Niu, S Jing, L Ai, XL Zhao - Thin-Walled Structures, 2018 - Elsevier
Impact toughness properties of four kinds of high strength steel (HSS) were investigated with
the nominal yield strength 460, 690, 800 and 960 MPa, respectively. The specialty of impact …