Effect of laser beam wobbling on the overlap joint strength of hot-press-forming steel over 2.0 GPa tensile strength

K Kim, N Kang, M Kang, C Kim - Journal of Laser Applications, 2022 - pubs.aip.org
High-strength hot-press-forming (HPF) steel is extensively utilized in the automotive industry
to lower the weights of car bodies. Resistance spot welding is commonly used when …

Surface heterostructuring in laser-treated alloys through local austenitization for high strength and formability

RE Kim, GH Gu, JA Lee, YT Choi, H Park… - Materials Research …, 2024 - Taylor & Francis
High-strength materials are essential for applications in the structural industry. However,
their limited formability restricts broader industrial use. This study proposes a novel …

The effect of welding speed on the microstructure, mechanical properties, and fatigue failure of Q690D high-strength steel

X Liu, Y Sun, Y Li, W Li, B Lin, M Pei - Engineering Failure Analysis, 2024 - Elsevier
This study analyzes the effect of welding speed on the microstructure and mechanical
properties of CO2 gas-shielded welded joints of 4 mm thick Q690D high-strength steel. The …

Microstructure and Impact Toughness of Laser-Arc Hybrid Welded Joint of Medium-Thick TC4 Titanium Alloy

P Luo, W Feng, G Zu, L Luo, J Xiao - Coatings, 2024 - mdpi.com
This study delves into the impact toughness of medium-thick (12 mm thick) titanium alloy
joints crafted through a multi-layer, multi-pass welding technique that blends laser-arc (MIG) …

Laser Butt Welding of 6.6 mm-Thick D406A Ultra-High-Strength Steel: Part II—Bending Deformation Ability of Joints

M Xie, Z Lv, J Wu, L Zhang, H Yu, J Long… - Journal of Materials …, 2024 - Springer
To address the insufficient bending deformation ability of laser-welded joints of D406A ultra-
high-strength steel, the microstructures and mechanical performance of laser-welded joints …

Effect of welding speed and post quenching on the microstructure and mechanical properties of laser-welded B1500HS joints

M Li, D Yao, Y Guan, Y Duan, L Yang - Materials, 2020 - mdpi.com
In this research, B1500HS high-strength steel with different thicknesses were laser welded,
and the effects of welding speed and post quenching were investigated by analyzing the …

Fatigue Properties and Residual Stresses of Laser-Welded Heat-Resistant Pressure Vessel Steel, Verification on Vessel Model

J Čapek, J Kec, K Trojan, I Černý, N Ganev, K Kolařík… - Metals, 2022 - mdpi.com
Most power plants use the Rankine cycle, where the heat supplied to water and steam is
converted into mechanical work; therefore, most components have to be made of heat …

[引用][C] 激光能量对激光焊接接头熔化形状, 气孔和微观组织的影响及其调控方法

张迪, 赵琳, 刘奥博, 温鹏 - 中国激光, 2021

Investigation on hygro-thermo-mechanical behavior of a UHSS gasket under radial mechanical loads

ZJ Wang, ZW Huang, J Lu, ZX Li… - Mechanics of Advanced …, 2022 - Taylor & Francis
The hygro-thermo-mechanical behavior of a ultra-high strength steel (UHSS) gasket under
radial mechanical loads is investigated. By adopting an appropriate displacement function …

Spectroscopy peculiarities of electric arc discharge plasma with iron vapours

A Murmantsev, A Veklich… - Вопросы атомной науки …, 2021 - dspace.nbuv.gov.ua
This work is devoted to spectroscopy peculiarities of electric arc discharge plasma with iron
vapours. The solution of the main issue of optical emission spectroscopy, namely, selection …