Results 71 to 80 of about 12,878 (286)

Fracture mechanics approach to design analysis of notches, steps and internal cut-outs in planar components [PDF]

, 2007
A new approach to the assessment and optimization of geometric stress-concentrating features is proposed on the basis of the correspondence between sharp crack or corner stressfield intensity factors and conventional elastic stress concentration factors (
J Wood, Murakami Y., Neuber H., T. G F Gray, Timoshenko S., Young W. C.   +5 more
core   +1 more source

role of crack tip shielding in the initiation and growth of long and small fatigue cracks in composite microstructures [PDF]

Metallurgical Transactions A, 1987
The role of crack tip shielding in retarding the initiation and growth of fatigue cracks has been examined in metallic composite microstructures (consisting of hard and soft phases), with the objective of achieving maximum resistance to fatigue. Specifically, duplex ferritic-martensitic structures have been developed in AISI 1008 and 1015 mild steels ...
Shang, J.K., Tzou, J.L., Ritchie, R.O.
openaire   +2 more sources

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

The brittle-to-ductile transition in cold-rolled tungsten sheets: Contributions of grain and subgrain boundaries to the enhanced ductility after pre-deformation

Nuclear Materials and Energy, 2020
One of the key demands on tungsten (W) as designated plasma-facing material (PFM) is the capability to fulfill a structural function. Since W has refused ductilization strategies by alloying alone, the production of W materials with enhanced ductility ...
Carsten Bonnekoh, Philipp Lied, Stefan Zaefferer, Ute Jäntsch, Andreas Hoffmann, Jens Reiser, Michael Rieth   +6 more
doaj   +1 more source

Stress intensity factor for multiple inclined or curved cracks problem in circular positions in plane elasticity [PDF]

, 2017
The problems of multiple inclined or curved cracks in circular positions is treated by using the hypersingular integral equation method. The cracks center are placed at the edge of a virtual circle with radius R.
Nik Long N. M. A., Noda N. A., Rafar R. A., Senu N.   +3 more
core   +2 more sources

Water‐Stable Paper‐Based Laser‐Induced Graphene With Asymmetric Water Adhesion and Wettability

Advanced Materials Interfaces, EarlyView.
Paper‐based electronics are attractive for sustainable and disposable devices, but often fail in wet environments. By introducing Parafilm into cellulose paper combined with laser conversion, two graphene surfaces with different water interactions are created.
Lingyin Meng, Danfeng Cao, Ario Jafari, Mats Eriksson   +3 more
wiley   +1 more source

Evaluation of the Mechanical Properties and Fatigue Resistance of the ZrO₂CeYAl₂O₃ Composite

Ceramics
This work aimed to evaluate the fatigue limit of the zirconia ceramic composite stabilized with yttria and ceria reinforced with alumina platelets (ZrO2CeYAl2O3) and characterize the mechanical properties of sintered specimens.
Marcio Paulo de Araújo Mafra, Nélio Silva Júnior, Claudinei dos Santos, Jorge Luiz de Almeida Ferreira, José Alexander Araújo, Cosme Roberto Moreira da Silva   +5 more
doaj   +1 more source

Interaction between line cracks in an orthotropic layer

International Journal of Mathematics and Mathematical Sciences, 2002
We deal with the interaction between three coplanar Griffith cracks located symmetrically in the mid plane of an orthotropic layer of finite thickness 2h. The Fourier transform technique is used to reduce the elastostatic problem to the solution of a set
Subir Das
doaj   +1 more source

Mechanically Robust MXene‐Metal Polyphenol Network Hybrid Interfaces for Multifunctional Protection of Keratin Fibers

Advanced Materials Interfaces, EarlyView.
Hair keratin fibers inevitably deteriorate under UV exposure, heat, and dryness. A robust composite coating assembles delaminated Ti3C2 MXene nanosheets onto keratin surfaces through biocompatible metal‐polyphenol networks of EGCG. This hybrid layer simultaneously screens UV, dissipates heat, reinforces mechanical strength, suppresses static charge ...
Juyeon Kang, Bomin Kim, Minkyoung Kim, Juyeon Park, Saehan Choi, Won Jun Lee, Heewon Kim, Yoonsung Nam, Jongwon Shim   +8 more
wiley   +1 more source

Crack propagation in non-homogenous materials: Evaluation of mixed-mode SIFs, T-stress and kinking angle using a variant EFG method [PDF]

, 2016
A new variant of the Element-Free Galerkin (EFG) method, that combines the diffraction method, to characterize the crack tip solution, and the Heaviside enrichment function for representing discontinuity due to a crack, has been used to model crack ...
Falzon, B. G., Maiti, S. K., Muthu, N., Yan, Wenyi   +3 more
core   +1 more source