Results 211 to 220 of about 7,277,805 (309)

Mesh variational r-adaptivity for sharp modeling of brittle fracture

Dony G, Moës N, Remacle J.
europepmc   +1 more source

Material grain size and crack size influences on cleavage fracturing

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2015
A review is given of the analogous dependence on reciprocal square root of grain size or crack size of fracture strength measurements reported for steel and other potentially brittle materials. The two dependencies have much in common. For onset of cleavage in steel, attention is focused on relationship of the essentially athermal fracture stress ...
R. Armstrong
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PTZ Camera-Based Image Processing for Automatic Crack Size Measurement in Expressways

IEEE Sensors Journal, 2021
Cracks in road surfaces are among the most critical problems in the management of expressways. Their sizes, which not only have severe consequences in relation to expressway safety, decide maintenance timing, which if accurately estimated, can prevent ...
Chunyan Shao, Limin Zhang, Wang Pan
semanticscholar   +1 more source

Fatigue life analysis of pressure vessel based on residual strength and crack size

Transactions of the Canadian Society for Mechanical Engineering, 2021
In the field of pressure vessel fatigue life, the study of fracture failure is very important. Based on the Paris law, the relation model between fatigue crack size and residual fatigue life is established by considering the circumferential stress.
Mengyu Zhu, Xintian Liu, Jiafeng Lai, Jiao Luo   +3 more
semanticscholar   +1 more source

Scaling and fractality in subcritical fatigue crack growth: Crack‐size effects on Paris' law and fatigue threshold

Fatigue & Fracture of Engineering Materials & Structures, 2020
The present contribution investigates the crack-size effects on Paris' law in accordance with dimensional analysis and intermediate asymptotics theory, which makes it possible to obtain a generalised equation able to provide an interpretation to the ...
A. Carpinteri, F. Montagnoli
semanticscholar   +1 more source

Uniaxial ACFM detection system for metal crack size estimation using magnetic signature waveform analysis

, 2020
A single-axis alternating current field measurement (ACFM) detection system is proposed for crack size estimation. A single tunneling magneto-resistive (TMR) sensor is used to detect Bz signal, which is able to determine both the length and depth of a ...
Shuxiang Zhao, Lingsi Sun, Junqi Gao, Jiazeng Wang, Ying Shen   +4 more
semanticscholar   +1 more source