Results 21 to 30 of about 1,666,698 (151)

Investigation of compact tensile and fracture mechanical properties of a duplex stainless steel bimetal composite with the interfacial zone

Journal of Materials Research and Technology, 2022
The interfacial zone formed in the manufacturing process of bimetal or laminated metal composites owes complicated microstructures and properties. This special feature greatly affects the fracture toughness and fatigue strength of metal composites.
Zhou Li, Y.C. Lin, Lu Zhang, Fanghui Jia, Zhengyi Jiang, Sihai Jiao   +5 more
doaj   +1 more source

Fatigue crack growth in notched specimens: a numerical analysis

Fracture and Structural Integrity, 2019
Fatigue crack growth (FCG) is linked to irreversible and non-linear processes happening at the crack tip, which explains different problems observed in the use of da/dN-?K curves. The replacement of ?K by non-linear crack tip parameters, namely the crack
F.V. Antunes, R. Branco, P. Prates, J.D.M. Costa   +3 more
doaj   +3 more sources

Using 3D Digital Image Correlation (3D-DIC) to Measure CTOD in a Semi-Elliptical Surface Crack

Proceedings, 2018
The subsurface nature of Crack Tip Opening Displacement (CTOD) makes its direct measurement very difficult, if not impossible. During fracture toughness testing, CTOD is commonly calculated by applying a plastic hinge model using externally applied clip ...
Kaveh Samadian, Stijn Hertelé, Wim De Waele   +2 more
doaj   +1 more source

Novel method for measurement of pipeline materials fracture resistance-examination on selective laser sintered cylindrical specimens [PDF]

Science of Sintering, 2022
This paper presents a part of development of a non-standard method for testing of cylindrical test specimens for measurement of fracture properties of pipeline materials.
Trajković Isaak, Milošević Miloš, Travica Milan, Rakin Marko, Mladenović Goran, Kudrjavceva Ljudmila, Međo Bojan   +6 more
doaj   +1 more source

An in-depth investigation into the implications of alleviating banded microstructures on crack-tip opening displacement test of API 5LX60 linepipe steel plate

Journal of Materials Research and Technology, 2023
The present study seeks to fill the research gap regarding the correlation between crack-tip opening displacement (CTOD) and banded microstructures of high-strength low-alloy steel.
N. Amirjani, N. Barka, M. Eskandari, M. Hizombor   +3 more
doaj   +1 more source

The effect of mechanical inhomogeneity in microzones of welded joints on CTOD fracture toughness of nuclear thick-walled steel

Nuclear Engineering and Technology, 2023
This study employs the microshear test method to examine the local mechanical properties of narrow-gap welded joints, revealing the mechanical inhomogeneity by evaluating the microshear strength, stress‒strain curves, and failure strain.
Long Tan, Songyang Li, Liangyin Zhao, Lulu Wang, Xiuxiu Zhao   +4 more
doaj   +1 more source

Modelling of Fracture Toughness of X80 Pipeline Steels in DTB Transition Region Involving the Effect of Temperature and Crack Growth

Metals, 2019
This work presents an investigation of the effects of temperature and crack growth on cleavage fracture toughness for weld thermal simulated X80 pipeline steels in the ductile-to-brittle transition (DBT) regime.
Jie Xu, Wei Song, Wenfeng Cheng, Lingyu Chu, Hanlin Gao, Pengpeng Li, Filippo Berto   +6 more
doaj   +1 more source

Multivariate Analysis to Relate CTOD Values with Material Properties in Steel Welded Joints for the Offshore Wind Power Industry

Energies, 2019
The increasingly mechanical requirements of offshore structures have established the relevance of fracture mechanics-based quality control in welded joints.
Álvaro Presno Vélez, Antonio Bernardo Sánchez, Marta Menéndez Fernández, Zulima Fernández Muñiz   +3 more
doaj   +1 more source

Fatigue Crack Growth from Notches: A Numerical Analysis

Applied Sciences, 2020
A numerical approach based on plastic crack tip opening displacement (CTOD) was followed to study fatigue crack growth (FCG) from notches. The identification of fundamental mechanisms was made considering notched and unnotched models, with and without ...
Micael Borges, Manuel Caldas, Fernando Antunes, Ricardo Branco, Pedro Prates   +4 more
doaj   +1 more source

Determination of fracture toughness of polymer coating using micro-scale digital image correlation technique

Polymer Testing, 2021
This paper presents a comprehensive study on determining the interface adhesive strength of the polymer coating/substrate system to improve its durability.
Wenjie Qian, Huiying Zhang, Jianguo Zhu, Jian Li, Jian Zhang, Muyu Zhang   +5 more
doaj   +1 more source