Results 41 to 50 of about 3,287 (261)

Karl Popper and the Mechanisms of Hydrogen Embrittlement

Advanced Engineering Materials, EarlyView.
Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley   +1 more source

Direct Metal Deposition of Graphene–Ti28Nb35.4Zr Matrix Composites With Enhanced Mechanical, Corrosion, and Biocompatibility Properties for Bone Implants

Advanced Engineering Materials, EarlyView.
Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir, Jixing Lin, Yuncang Li, Li Zhu, Paul F. A. Wright, Cuie Wen   +5 more
wiley   +1 more source

Electrochemical Behavior of Flame‐Sprayed Sc‐Doped AlCoCrFeMo High‐Entropy Alloy Coatings in 3.5% Sodium Chloride Solution

Advanced Engineering Materials, EarlyView.
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar, Akash Vyas, Mohammad Aatif Qazi, Nashit Jalal, Maria Ophelia Jarligo, Mostafa Yakout, Jing Liu, André McDonald   +7 more
wiley   +1 more source

Flexible and rigorous numerical modelling of multiphysics processes in fractured porous media using PorePy

Results in Applied Mathematics
Multiphysics processes in fractured porous media is a research field of importance for several subsurface applications and has received considerable attention over the last decade.
Ivar Stefansson, Jhabriel Varela, Eirik Keilegavlen, Inga Berre   +3 more
doaj   +1 more source

Numerical Fractional-Calculus Model for Two-Phase Flow in Fractured Media

Advances in Mathematical Physics, 2013
Numerical simulation of two-phase flow in fractured porous media is an important topic in the subsurface flow, environmental problems, and petroleum reservoir engineering.
Wenwen Zhong, Changpin Li, Jisheng Kou
doaj   +1 more source

Preliminary results from the use of entrograms to describe transport in fractured media

Acque Sotterranee, 2019
Fractured media are heterogeneous systems in which water flows primarily across rock fractures. Flow dynamics and transport of dissolved substances are controlled by the topological distribution and hydraulic properties of the fracture network (including
Daniele Pedretti, Marco Bianchi
doaj   +1 more source

Cathodic Cage Plasma Deposition of Nanostructured Cu–Fe–Se Coatings on Poly(methyl Methacrylate)

Advanced Engineering Materials, EarlyView.
Nanostructured Cu–Fe–Se coatings are deposited on PMMA by a modified cathodic cage plasma process, enabling low‐temperature deposition on polymer substrates. A transition from discontinuous to compact morphology is observed with temperature, with optimal properties at 200°C, where improved CuFeSe2‐type bonding, lowest sheet resistance, and favorable ...
V. S. S. Sobrinho, M. Naeem, T. H. C. Costa, M. S. Libório, J. C. A. Queiroz, C. B. B. Luna, R. R. M. Sousa, P. S. Vieira, E. M. Araújo   +8 more
wiley   +1 more source

Quantitative Visualization of Two‐Phase Flow in a Fractured Porous Medium

Water Resources Research
Two‐phase fluid flow in fractured porous media impacts many natural and industrial processes but our understanding of flow dynamics in these systems is constrained by difficulties measuring the exchange of water between fracture and adjacent porous ...
Zhen Liao, Russell L. Detwiler, Esther S. Cookson, Wanjun Lei, Yi‐Feng Chen   +4 more
doaj   +1 more source

Numerical Simulation of Pollutant Transport in Fractured Vuggy Porous Karstic Aquifers

Journal of Applied Mathematics, 2011
This paper begins with presenting a mathematical model for contaminant transport in the fractured vuggy porous media of a species of contaminant (PCP). Two phases are numerically simulated for a process of contaminant and clean water infiltrated in the ...
Xiaolin Fan, Shuyu Sun, Wei Wei, Jisheng Kou   +3 more
doaj   +1 more source

Study on Flow in Fractured Porous Media Using Pore-Fracture Network Modeling

Energies, 2017
Microscopic flow in fractured porous media is a typical problem for the exploitation of tight reservoirs. The rapid-flow in the fractured porous-media is of great significance to efficient and continuous oil/gas exploitation.
Haijiao Liu, Xuhui Zhang, Xiaobing Lu, Qingjie Liu   +3 more
doaj   +1 more source