Results 21 to 30 of about 125,352 (267)

Key factors limiting carbon nanotube strength: Structural characterization and mechanical properties of multi-walled carbon nanotubes

open access: yesMechanical Engineering Journal, 2017
In this study, the nominal tensile strength, Young's modulus and Weibull scale and shape parameter of the nominal tensile strength distribution of the MWCNTs synthesized by a thermal chemical vapor deposition (CVD) method were investigated by ...
Keiichi SHIRASU   +8 more
doaj   +1 more source

A Direct Tensile Strength Testing Method for Concrete from Existing Structures

open access: yesCivilEng, 2023
Tensile strength is a crucial property for the function, safety and durability of all concrete structures. The general procedure to assess the tensile properties of concrete from existing structures is to perform indirect tests and predict the tensile ...
Jonny Nilimaa, Rasoul Nilforoush
doaj   +1 more source

Ubiquitiformal fracture energy

open access: yesJournal of Theoretical and Applied Mechanics, 2017
The ubiquitiformal fracture energy is proposed in the paper and its explicit expression is obtained. Moreover, the numerical results for concrete are found to be in good agreement with those for the critical strain energy release rate. The discrepancy between the numerical results of the traditional fracture energy and the critical strain energy ...
Zhuo-Cheng Ou   +4 more
openaire   +2 more sources

Parametric Investigation on the Effectiveness of FRM-Retrofitting in Masonry Buttressed Arches

open access: yesBuildings, 2021
Buttressed arches represent some of the most vulnerable elements in historical masonry buildings under seismic actions. Given their structural, architectural and often artistic importance, it is paramount to investigate effective retrofitting measures ...
Corrado Chisari   +2 more
doaj   +1 more source

Experimental fracture resistance study for cracked bovine femur bone samples

open access: yesFracture and Structural Integrity, 2019
Crack growth and brittle fracture is one of the major failure modes in bone materials and therefore understanding the fracture behavior and affecting parameters on the crack growth resistance of bone is necessary for biomechanics researchers.
M.R.M. Aliha   +2 more
doaj   +1 more source

Mechanical properties of Fe-rich Si alloy from Hamiltonian

open access: yesnpj Computational Materials, 2017
The physical origins of the mechanical properties of Fe-rich Si alloys are investigated by combining electronic structure calculations with statistical mechanics means such as the cluster variation method, molecular dynamics simulation, etc, applied to ...
Tetsuo Mohri   +8 more
doaj   +1 more source

Concept of Integrity, Reliability and Safety of Energy and Transport Systems for Cold Climate Regions [PDF]

open access: yesE3S Web of Conferences, 2020
The concepts of providing the integrity, reliability and safety of the energy and transport systems in the Arctic zone are considered. The inadmissibility of using the concept of acceptable, or tolerable, risk to ensure the operational safety of ...
Lepov Valeriy V.   +4 more
doaj   +1 more source

Fracture Energy and Aftershocks [PDF]

open access: yesGeophysical Journal International, 1976
Summary The b-value of the frequency-magnitude relationship for aftershocks increases with the fracture energy yo of the mainshock according to the empirical relationship, b = 0.06 log yo + 0.48 I', = 0.53 where rc is the correlation coefficient. Thus for large yo, a fair proportion of the aftershocks will have small magnitudes while the converse is ...
M. I. Husseini   +2 more
openaire   +1 more source

A Numerical Investigation of The Fracture Energy of Materials for Fuel Cell End Plates

open access: yesEuropean Mechanical Science, 2021
Nowadays, with increasing energy requirements, the use of clean energy resources has become important. Fuel cells are an important key for clean energy technology due to wide range of utilization areas such as automotive, portable power applications ...
Gökhan Tüccar   +2 more
doaj   +1 more source

Fracture energy of gels [PDF]

open access: yesThe European Physical Journal E, 2000
7 pages, 8 figures.
Tanaka, Yoshimi   +2 more
openaire   +2 more sources

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