RETRACTED ARTICLE: Determination of Dynamic Fracture Parameters of Westerly Granite Using the Notched Semi-circular Bend Technique in Split Hopkinson Pressure Bar Testing
Sign Up to like & getrecommendations! Published in 2017 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-016-1163-1
Abstract: List of symbols a Length of the notch A The cross-sectional area of bars Ac The total area of the newly created crack surfaces B Thickness of disc specimen C P-wave velocity of the bars… read more here.
Keywords: energy; fracture; retracted article; dynamic fracture ... See more keywords
Shape effects of the traction–separation law on the global response of the dynamic fracture for pipeline steels
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DOI: 10.1007/s00707-017-1913-5
Abstract: A recently reported four-parameter cohesive zone model (CZM) has applications in dynamic fracture such as the drop-weight tear test simulation. In this paper, the CZM method is utilized to analyze the global response of the… read more here.
Keywords: global response; dynamic fracture; traction separation; response dynamic ... See more keywords
Experimental investigation of the dynamic fracture of a class of RT-PMMAs under impact loading
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DOI: 10.1007/s10704-020-00475-x
Abstract: The present work aims to investigate experimentally the crack arrest capability and dynamic fracture mechanisms under impact loading of three commercial, rubber-toughened (RT) PMMA grades differing by their rubber nano-particle concentration and resulting Charpy impact… read more here.
Keywords: fracture; experimental investigation; impact; dynamic fracture ... See more keywords
A Novel Approach to Increase Dynamic Fracture Toughness of Additively Manufactured Polymer
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DOI: 10.1007/s11340-019-00486-3
Abstract: An experimental study is performed to investigate the dynamic fracture of additive manufactured Acrylonitrile Butadiene Styrene (ABS). A single edge notched bending (SENB) specimen with three orientations, namely horizontal builds with 45°/−45° (H45), 0°/90° (H90)… read more here.
Keywords: fracture initiation; toughness; fracture; topology ... See more keywords
A Comparative Study of Dynamic Fracture of Soda-Lime Glass Using Photoelasticity, Digital Image Correlation and Digital Gradient Sensing Techniques
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DOI: 10.1007/s11340-019-00549-5
Abstract: The dynamic fracture of high-stiffness and low-toughness materials such as soda-lime glass (SLG) typically involves crack initiation and growth prior to branching, underlying mechanics of which is not yet fully understood. Investigation of this issue using… read more here.
Keywords: photoelasticity digital; fracture; dynamic fracture; lime glass ... See more keywords
Experimental Study on Dynamic Fracture Toughness of Compact Tension Specimens
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DOI: 10.1007/s40799-018-0265-y
Abstract: In this paper, the dynamic fracture toughness test of 2A12T4 aluminum alloy compact tension (CT) specimens is carried out by tensile stress waves, based on a Hopkinson experimental device. The crack propagation of the CT… read more here.
Keywords: compact tension; fracture toughness; dynamic fracture; crack ... See more keywords
Understanding the Role of Inclusions on the Dynamic Fracture Toughness of High Strength Lightweight FeMnAl Steels
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DOI: 10.1007/s40962-018-0273-9
Abstract: High manganese lightweight steel alloys in the Fe–Mn–Al–C system are promising alternatives to quenched and tempered Cr and Mo steels for transportation and military applications. The understanding of nonmetallic inclusion formation and their effect on… read more here.
Keywords: understanding role; dynamic fracture; role inclusions; fracture toughness ... See more keywords
Modeling dynamic fracture of solids with a phase-field regularized cohesive zone model
Sign Up to like & getrecommendations! Published in 2018 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2018.06.015
Abstract: Abstract Being able to seamlessly deal with complex crack patterns like branching, merging and even fragmentation, the phase-field model, amongst several alternatives, is promising in the computational modeling of dynamic fracture in solids. This paper… read more here.
Keywords: fracture; phase field; dynamic fracture; model ... See more keywords
A 3D meshfree crack propagation algorithm for the dynamic fracture in arbitrary curved shell
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DOI: 10.1016/j.cma.2020.113139
Abstract: Abstract In this work, we proposed a meshfree crack propagation algorithm for dynamic fracture in arbitrary curved shell structures. In the numerical simulation of shell fracture, the treatment of crack discontinuity and simulation of fracture… read more here.
Keywords: propagation algorithm; fracture; dynamic fracture; algorithm dynamic ... See more keywords
Study on the microscopic damage evolution and dynamic fracture properties of sandstone under freeze-thaw cycles
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DOI: 10.1016/j.coldregions.2021.103328
Abstract: Abstract Freeze-thaw has great deterioration effect on rock mechanical performance, which strongly affect the stability of rock masses engineering. Meanwhile, natural fractures in real rocks are ubiquitous with considerable variations in size, number, and orientation,… read more here.
Keywords: thaw cycles; dynamic fracture; freeze; freeze thaw ... See more keywords
A progressive damage based lattice model for dynamic fracture of composite materials
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DOI: 10.1016/j.compscitech.2020.108335
Abstract: Abstract In this paper we present an extension of the linear elastic lattice model for anisotropic materials previously developed by the authors. This approach takes into consideration damage evolution in composite materials by effectively integrating… read more here.
Keywords: lattice model; dynamic fracture; model; composite materials ... See more keywords