Results 81 to 90 of about 959,509 (196)

Correlation Between Properties of Passive Film and Stress Corrosion Cracking of α -Ti in Methanol Solution

open access: yesInternational Journal of Electrochemical Science, 2014
There is a close relationship between Stress corrosion cracking (SCC) mechanism and properties of passive film of pure titanium in methanol solution with water.
Zhi Qin, XiaoluPang, Lijie Qiao
doaj   +1 more source

Multiscale modelling of materials chemomechanics : brittle fracture of oxides and semiconductors [PDF]

open access: yes, 2014
Fracture is one of the most challenging ‘multi-scale’ problems to model: since crack propagation is driven by the concentration of a long-range stress field at an atomically sharp crack tip, an accurate description of the chemical processes occurring in ...
De Vita, Alessandro   +4 more
core   +1 more source

Do modular tapered long stems differ in stability and function? A prospective comparison of two stems in complex femoral revision THA

open access: yesJournal of Orthopaedics and Traumatology
Background Revision total hip arthroplasty (rTHA) in the setting of substantial proximal femoral bone loss is technically challenging. Modular tapered fluted stems provide predictable diaphyseal fixation while allowing independent adjustment of version ...
Mahmoud Fahmy, Mostafa Ahmed Shawky
doaj   +1 more source

Damage initiation in brittle and ductile materials as revealed from a fractoluminescence study

open access: yesFracture and Structural Integrity, 2014
A set of heterogeneous and homogeneous materials differing in their brittle and ductile characteristics (granite, marble, silica ceramics, silicon carbide, organic glass) were subjected to impact damaging by a falling weight.
Alexandre Chmel, Igor’ Shcherbakov
doaj  

Near-Infrared Spectroscopy Allows for Monitoring of Bone Fracture Healing via Changes in Oxygenation

open access: yesJournal of Functional Biomaterials
Bone fractures are associated with hypoxia, but no longitudinal studies of perfusion measurements in human patients have been reported despite the clinical and research potential.
Cedric Nowicki, Bergita Ganse
doaj   +1 more source

Generalized phase-field models for brittle and ductile fracture

open access: yes, 2017
The formation of fracture or slip surfaces in brittle or perfectly-plastic bodies, respectively, is predicted by the minimization of a two field free-energy functional as in classical phase-field models.
Royer Carfagni G., Freddi F.
core  

Cyclic fracture behaviour of brazed martensitic stainless steel joints

open access: yes, 2009
In the present work, the cyclic fracture behaviour of brazed joints of the soft martensitic stainless steel X3CrNiMo13-4 was investigated. The fatigue crack propagation curves (da/dN-ΔK) were derived for different load ratios R.
Leinenbach, Christian (author)   +2 more
core   +1 more source

Fracture, friction and granular simulation [PDF]

open access: yes, 2009
textThis thesis contains three separate yet closely related topics: fracture, friction and simulation of mechanical response of a confined granular medium. The first two are experimental investigations and the last one is a numerical study.
Yang, Zhiping, 1979-
core  

Coupled fracture mode associated with anti-plane loading of cracks and notches

open access: yes, 2013
The purpose of this paper is to investigate by means of the 3D Finite Element method a coupled fracture mode generated by anti-plane loading of a straight through-the-thickness crack in a linear elastic plate. This coupled fracture mode represents one of
LAZZARIN, PAOLO   +7 more
core  

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