Recent research progress on additive manufacturing of high-strength low-alloy steels: Focusing on the processing parameters, microstructures and properties

H Cheng, X Luo, X Wu - Materials Today Communications, 2023 - Elsevier
Owing to the excellent weldability, high strength and toughness, etc., high-strength low-alloy
(HSLA) steels are widely used in pipelines, ships and railways. In the past years, increasing …

[HTML][HTML] Nanoscale precipitation, mechanical properties, and deformation behavior of NiAl-strengthened high-strength steels: Effects of Ni and Al contents and ratios

BC Zhou, SF Liu, HH Wu, JH Luan, JM Guo, T Yang… - Materials & Design, 2023 - Elsevier
Abstract Effects of Ni and Al contents and ratios on the continuous and discontinuous
precipitation, mechanical properties, and deformation behavior of NiAl-strengthened steels …

Effect of vanadium microalloying on phase transformation and strengthening mechanism of 1000 MPa low carbon bainitic steel

X Zhang, S Liu, K Wang, L Yan, J Wang, Q **a… - Materials Science and …, 2023 - Elsevier
To develop an ultrahigh-strength hot-rolled strip, the yield strength of low-carbon bainitic
steel was increased from 804 to 1074 MPa via V microalloying. The effects of V …

Effects of Cr and Ni addition on critical crack tip opening displacement (CTOD) and supercritical CO2 corrosion resistance of high-strength low-alloy steel (HSLAs)

Q Ma, S Jia, Q Liu, C Shang - Materials Science and Engineering: A, 2024 - Elsevier
The effects of Cr and Ni content on the low-temperature toughness and supercritical CO 2
corrosion resistance of high-strength low-alloy steel (HSLAs) were investigated by optical …

[HTML][HTML] Direct quenching and tempering to achieve high strength and toughness of GPa-Grade nano-precipitated steel: The effect of precipitation behavior and variant …

Z Pan, E Wang, H Wu, J Wu, J Hong, Z Liu… - Journal of Materials …, 2024 - Elsevier
In order to satisfy the application requirements for strength and toughness of hydropower
steels for large pumped storage power plants. In this study, based on the synergy of …

[HTML][HTML] Impact toughness and fracture propagation mechanism of NiAl precipitation-strengthened HSLA steels

X Zhang, J Wang, T Zhou, L Yan, H Yu - Materials & Design, 2024 - Elsevier
Impact toughness is essential for evaluating the mechanical properties of ship hull steels.
This study focused on understanding the embrittlement mechanism of NiAl precipitation …

Changes in microstructure and properties of weld heat-affected zone of high-strength low-alloy steel

S Jia, Q Ma, Y Hou, B Li, H Zhang, Q Liu - Journal of Iron and Steel …, 2024 - Springer
The evolution of the microstructure and toughness of APL5L X80 pipeline steel after thermal
welding simulation was investigated by X-ray diffraction, electron backscatter diffraction, and …

[HTML][HTML] Research on strength and toughness matching of 1.3 GPa ultralow temperature resistant bulb flat steel

K Wang, J Han, H Yu - Materials & Design, 2024 - Elsevier
In this study, an ultralow temperature resistant bulb flat steel with ultra-high strength and
good toughness is prepared to meet the application requirements of hull structural steel for …

A CALPHAD-MD coupled method to reveal the strengthening mechanism in precipitation-strengthening Cu-Ni-Al alloy with evolving microstructures

B Dong, G Peng, Z Wu, X Shan, C Guo, J Miao… - International Journal of …, 2023 - Elsevier
With the aging temperature decreasing from 973 K to 773 K for the Cu-14.7 Ni-3.1 Al (wt.%)
alloys, a simultaneous increase of the tensile strength (from 563 MPa to 729 MPa) and the …

Revealing the Embrittlement Mechanism of Nial Precipitation-Strengthened Hsla Steels

X Zhang, J Wang, T Zhou, L Yan, Z Yu, H Yu - Available at SSRN 4568928 - papers.ssrn.com
Toughness is essential for evaluating the mechanical properties of structural steels such as
ship hull steels. This study focused on understanding the embrittlement mechanism of NiAl …