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相关论文: A Study on the Fracturing Behavior of Thermoset Po…

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This work proposes an investigation of the fracturing behavior of polymer nanocomposites. Towards this end, the study leverages the analysis of a large bulk of fracture tests from the literature with the goal of critically investigating the…

应用物理 · 物理学 2018-09-05 Yao Qiao , Marco Salviato

This work proposes an investigation on the scaling of the structural strength of polymer/graphene nanocomposites. To this end, fracture tests on geometrically scaled Single Edge Notch Bending (SENB) specimens with varying contents of…

材料科学 · 物理学 2018-10-10 Cory Hage Mefford , Yao Qiao , Marco Salviato

This work investigates the mode I and II interlaminar fracturing behavior of laminated composites and the related size effects. Fracture tests on geometrically scaled Double Cantilever Beam (DCB) and End Notch Flexure (ENF) specimens were…

材料科学 · 物理学 2019-07-24 Marco Salviato , Kedar Kirane , Zdeněk P. Bažant , Gianluca Cusatis

This study investigated, experimentally and numerically, the fracturing behavior of thermoset polymer structures featuring cracks and sharp u-notches. It is shown that, even for cases in which the sharpness of the notch would suggest…

软凝聚态物质 · 物理学 2018-12-17 Yao Qiao , Marco Salviato

This work investigated how the structure size affects the quasi-static and fatigue behaviors of graphene polymer nanocomposites, a topic that has been often overlooked. The results showed that both quasi-static and fatigue failure of these…

应用物理 · 物理学 2023-03-13 Yao Qiao , Kaiwen Guo , Marco Salviato

This study investigates the mode I intra-laminar fracture and size effect in Discontinuous Fiber Composites (DFCs). Towards this goal, the results of fracture tests on geometrically-scaled Single Edge Notch Tension (SENT) specimens are…

应用物理 · 物理学 2018-12-27 Seunghyun Ko , Jinkyu Yang , Mark E. Tuttle , Marco Salviato

Polymer composite materials are widely used for their exceptional mechanical properties, notably their ability to resist large deformations. Here we examine the failure stress and strain of rubbers reinforced by varying amounts of…

In this study, we investigate experimentally and numerically the mode I intra-laminar fracture and size effect of Discontinuous Fiber Composites (DFCs) as a function of the structure thicknesses. By testing geometrically-scaled Single Edge…

应用物理 · 物理学 2019-03-27 Seunghyun Ko , James Davey , Sam Douglass , Jinkyu Yang , Mark E. Tuttle , Marco Salviato

Proximal humerus impacted fractures are of clinical concern in the elderly population. Prediction of such fractures by CT-based finite element methods encounters several major obstacles such as heterogeneous mechanical properties and…

数值分析 · 数学 2023-12-05 L. Hug , G. Dahan , S. Kollmannsberger , E. Rank , Z. Yosibash

On the basis of energy conservation law an without utilizing Linear Fracture Mechanics (LFM) postulates the equation of a real-structure material elastic-plastic fracture has been derived. With the help of this equation the force and energy…

材料科学 · 物理学 2013-06-13 Leonid S. Kremnev

Piezoresponse force microscopy (PFM) has been widely used for nanoscale analysis of piezoelectric properties and ferroelectric domains. Although PFM is useful because of its simple and nondestructive features, PFM measurements can be…

应用物理 · 物理学 2023-05-09 Jaegyu Kim , Seongwoo Cho , Jiwon Yeom , Seongmun Eom , Seungbum Hong

Understanding failure in nanomaterials is critical for the design of reliable structural materials and small-scale devices that have components or microstructural elements at the nanometer length scale. No consensus exists on the effect of…

材料科学 · 物理学 2013-07-12 X. Wendy Gu , Zhaoxuan Wu , Yong-Wei Zhang , David J. Srolovitz , Julia R. Greer

This study evaluates four widely used fracture simulation methods, comparing their computational expenses and implementation complexities within the Finite Element (FE) framework when employed on heterogeneous solids. Fracture methods…

计算工程、金融与科学 · 计算机科学 2024-11-19 Rasoul Najafi Koopas , Shahed Rezaei , Natalie Rauter , Richard Ostwald , Rolf Lammering

We present a finite element modelling approach for unidirectional Fused Filament Fabrication (FFF)-printed specimens under tensile loading. In this study, the focus is on the fracture behaviour, the goal is to simulate the mechanical…

计算物理 · 物理学 2025-02-28 Simon Seibel , Josef Kiendl

This paper presents fracture response of alkali-activated slag (AAS) mortars with up to 30% (by volume) of slag being replaced by waste iron powder which contains a significant fraction of elongated particles. The elongated iron particles…

材料科学 · 物理学 2019-01-07 Sumeru Nayak , Ahmet Kizilkanat , Narayanan Neithalath , Sumanta Das

Design of large composite structures requires understanding the scaling of their mechanical properties, an aspect often overlooked in the literature on composites. This contribution analyzes, experimentally and numerically, the…

材料科学 · 物理学 2016-05-23 Marco Salviato , Kedar Kirane , Shiva Esna Ashari , Zdenek Bazant , Gianluca Cusatis

The crazing behavior of polymer nanocomposites formed by blending polymer grafted nanoparticles with an entangled polymer melt is studied by molecular dynamics simulations. We focus on the three key differences in the crazing behavior of a…

软凝聚态物质 · 物理学 2016-10-04 Dong Meng , Sanat K. Kumar , Ting Ge , Mark O. Robbins , Gary S. Grest

This work presents a comprehensive investigation of the elastic and fracture behavior of ply-to-ply angle interlock three-dimensional woven composites. The research investigated novel splitting and wedge-driven out-of-plane fracture tests…

材料科学 · 物理学 2020-12-14 Weixin Li , Yao Qiao , Joel Fenner , Kyle Warren , Marco Salviato , Zdenek P. Bazant , Gianluca Cusatis

Elastomeric materials display a complicated set of stretchability and fracture properties that strongly depend on the flaw size, which has long been of interest to engineers and materials scientists. Here, we combine experiments and…

软凝聚态物质 · 物理学 2024-09-12 Jaehee Lee , Jeongun Lee , Seounghee Yun , Sanha Kim , Howon Lee , Shawn A. Chester , Hansohl Cho

The fracture of carbon nanotubes is studied by atomistic simulations. The fracture behavior is found to be almost independent of the separation energy and to depend primarily on the inflection point in the interatomic potential. The rangle…

原子与分子团簇 · 物理学 2009-11-07 T. Belytschko , S. P. Xiao , G. C. Schatz , R. Ruoff
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