Results 41 to 50 of about 73,733 (293)

Mixed-mode crack tip fields in a polycrystalline aluminum alloy [PDF]

open access: yesMATEC Web of Conferences, 2019
Carefully performed experiments with long cracks in the near-threshold regime have shown that the crack tip field of these cracks significantly deviate from the expected mode-I butterfly-shaped ones and resemble strongly to mixed-mode crack tip fields. A
Wicke Marcel, Brueckner-Foit Angelika
doaj   +1 more source

Development and validation of a high constraint modified boundary layer finite element model [PDF]

open access: yes, 2011
When a notched structure is loaded, its behaviour is not only affected by the material properties but also by the geometry (of both the structure and the defect) and loading condition, alternatively termed as constraint condition. Therefore, the relation
De Waele, Wim   +2 more
core  

An approach to analysis of dynamic crack growth at bimaterial interface [PDF]

open access: yes, 2009
In this paper is presented the new approach to asymptotic analysis of the stress and strain fields around a crack tip that is propagating dynamically along a bimaterial interface.
Nikolić R., Đoković Jelena M.
core   +1 more source

On the crack-tip asymptotic fields

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
Abstract Analytical expression between the vectorial stress intensity factor (SIF) and displacement discontinuity intensity factor (DDIF) is derived for an arbitrary shaped plane crack with a smooth crack boundary. The crack is placed in an elastic anisotropic medium with monoclinic symmetry (syngonium).
openaire   +1 more source

Harnessing Fungal Biowelding for Constructing Mycelium‐Engineered Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Mycelium‐bound composites (MBCs) offer low‐carbon alternatives for construction, yet interfacial bonding remains a critical challenge. This review examines fungal biowelding as a biocompatible adhesive, elucidating mycelium‐mediated interfacial mechanisms and their role in material assembly. Strategies to optimize biowelding are discussed, highlighting
Xue Brenda Bai   +2 more
wiley   +1 more source

Stress Intensity Factor calculation from displacement fields [PDF]

open access: yesFracture and Structural Integrity, 2017
In the last two decades, visual image techniques such as Digital Image Correlation (DIC) enabled to experimentally determine the crack tip displacement and strain fields at small scales. The displacements are tracked during loading, and parameters as the
S. Beretta, L. Patriarca, S. Rabbolini
doaj   +3 more sources

Difracción de rayos X y difracción de neutrones en estudios de fatiga y fractura de materiales [PDF]

open access: yes, 2019
Conferencia invitada de Joseph F KelleherThe fatigue behaviour of polycrystalline metals is often studied through crack propagation analysis [1,2]. Nevertheless, understanding the mechanical processes that take place right at the crack tip [3,4] would ...
Kelleher, J F
core  

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Anti – plane crack emanating from the interface in a bounded smart PEMO- elastic structure

open access: yesInternational Journal of Applied Mechanics and Engineering, 2013
The magnetoelectroelastic analysis of two bonded dissimilar piezo-electro-magneto-elastic ceramics with a crack perpendicular to and terminating at the interface is made.
B. Rogowski
doaj   +1 more source

In Situ Measurements for Plastic Zone Ahead of Crack Tip and Continuous Strain Variation under Cyclic Loading Using Digital Image Correlation Method

open access: yesMetals, 2020
Fatigue crack is one of the most common damage forms for aeronautical aluminum alloy. With crack propagation, the strain fields of the whole object surface and plastic zone (PZ) ahead of the crack tip are changing continuously.
Yan Zhao   +4 more
doaj   +1 more source

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