Results 41 to 50 of about 187,786 (261)

Shear-stress relaxation and ensemble transformation of shear-stress autocorrelation functions [PDF]

Physical Review E, 2015
We revisit the relation between the shear stress relaxation modulus $G(t)$, computed at finite shear strain $0 < γ\ll 1$, and the shear stress autocorrelation functions $C(t)|_γ$ and $C(t)|_τ$ computed, respectively, at imposed strain $γ$ and mean stress $τ$.
Wittmer, J. P., Xu, Hong, Baschnagel, J.
openaire   +4 more sources

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth, Tomáš Babinský, Jan Lars Riedel, Wen Hao Kan, Aijun Huang, Martin Heilmaier, Ivo Šulák   +6 more
wiley   +1 more source

A Simplified Laminar Flow Model for the Pultrusion of Glass Fiber/Polyethylene Terephthalate Commingled Yarns

Advanced Engineering Materials, EarlyView.
A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares, Nadège Bouchonneau, Christian Jochum, Donald Radford   +3 more
wiley   +1 more source

A tempo-spatial controllable microfluidic shear-stress generator for in-vitro mimicking of the thrombus

Journal of Nanobiotechnology
Pathological conditions linked to shear stress have been identified in hematological diseases, cardiovascular diseases, and cancer. These conditions often exhibit significantly elevated shear stress levels, surpassing 1000 dyn/cm2 in severely stenotic ...
Zhihang Yu, Yiqun Chen, Jingjing Li, Chang Chen, Huaxiu Lu, Siyuan Chen, Tingting Zhang, Tianruo Guo, Yonggang Zhu, Jing Jin, Sheng Yan, Huaying Chen   +11 more
doaj   +1 more source

Shear Modulus and Shear-Stress Fluctuations in Polymer Glasses [PDF]

Physical Review Letters, 2017
5 pages, 6 figure, published at ...
Kriuchevskyi, I., Wittmer, J. P., Meyer, H., Baschnagel, J.   +3 more
openaire   +3 more sources

Rafting of Ni‐Based Superalloys Under Multiaxial Load as Understood by Phase‐Field Simulations and Critical Experiments

Advanced Engineering Materials, EarlyView.
Phase‐field simulations coupled with dislocation‐density‐based crystal plasticity modeling reproduce γ′ rafting behavior in single‐crystal Ni‐based superalloys under varied loading conditions. The model captures both macroscopic creep and microscopic morphology evolution, with results matching high‐temperature creep experiments.
Micheal Younan, David Bürger, Gunther Eggeler, Oleg Shchyglo, Ingo Steinbach, Muhammad Adil Ali   +5 more
wiley   +1 more source

Shear stress and aneurysms: a review [PDF]

Neurosurgical Focus, 2019
Wall shear stress, the frictional force of blood flow tangential to an artery lumen, has been demonstrated in multiple studies to influence aneurysm formation and risk of rupture. In this article, the authors review the ways in which shear stress may influence aneurysm growth and rupture through changes in the vessel wall endothelial cells, smooth ...
Brittany, Staarmann, Matthew, Smith, Charles J, Prestigiacomo   +2 more
openaire   +2 more sources

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

Advanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

Study on Shear Slip Characteristics of Sandstone Plane Joints under Normal Dynamic Load Disturbance [PDF]

Lithosphere
Rock joints are susceptible to slip instability due to dynamic load disturbances such as blasting, earthquakes, and fracturation. A series of direct shear tests under the dynamic load were conducted on sandstone plane joints using the RDS-200xl. The work
Kangyu Wang, Caiping Lu, Yang Liu, Caijun Shao, Jian Zhou, Zhaowei Zhan   +5 more
doaj   +1 more source

Shear stress and plaque development [PDF]

Expert Review of Cardiovascular Therapy, 2010
Although traditional cardiovascular risk factors 'prime the soil' for atherogenesis systemically, atherosclerosis primarily occurs in a site-specific manner with a predilection towards the inner wall of curvatures and outer wall of bifurcations with sparing of flow-dividers.
Saurabh S, Dhawan, Ravi P, Avati Nanjundappa, Jonathan R, Branch, W Robert, Taylor, Arshed A, Quyyumi, Hanjoong, Jo, Michael C, McDaniel, Jin, Suo, Don, Giddens, Habib, Samady   +9 more
openaire   +2 more sources