Results 151 to 160 of about 321,831 (296)

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

Universal relation with regime transition for sediment transport in fine-grained rivers. [PDF]

Proc Natl Acad Sci U S A, 2020
Ma H, Nittrouer JA, Wu B, Lamb MP, Zhang Y, Mohrig D, Fu X, Naito K, Wang Y, Moodie AJ, Wang G, Hu C, Parker G.   +12 more
europepmc   +1 more source

Sediment transport and erosion in the Fourchon area of Lafourche parish [PDF]

NASA aerial photography in the form of color infrared and color positive transparencies is used as an aid in evaluating the rate and effect of erosion and sediment transport in Bay Champagne ...
Self, R. P., Whitehurst, C. A.
core   +1 more source

Effect of Laser Deoxidation on Adhesive‐Bonded Aluminum in an Oxygen‐Free Atmosphere

Advanced Engineering Materials, EarlyView.
This study investigates laser ablation of aluminum under oxygen‐free conditions. The goal is to produce oxide‐free substrates that enable improved adhesive bonding with epoxy. Optimized laser parameters (90% overlap, 300 µJ) combined with oxide‐free substrates result in the highest tensile strength of the adhesive bond.
Sandra Gerland, Finn‐Lennard Janthur, Sarah Seffer, Jörg Hermsdorf, Ludger Overmeyer, Annika Raatz   +5 more
wiley   +1 more source

Deep-Water Renewal Events; Insights into Deep Water Sediment Transport Mechanisms. [PDF]

Sci Rep, 2020
Ayranci K, Dashtgard SE.
europepmc   +1 more source

Four‐Point Bending Tests at High Temperatures on Commercial MgO‐C Refractory Bricks with and Without Recyclate Considering Different Carbon Contents

Advanced Engineering Materials, EarlyView.
Four‐point bending tests are conducted in an argon atmosphere on commercial MgO‐C brick grades with and without MgO‐C recyclate from room temperature up to 1300 °C. No detrimental effect of the MgO‐C recyclates on bending strength is found. Instead, a decisive influence of the total carbon content is observed, with lower total carbon contents ...
Alexander Schramm, Lukas Knöchel, Thomas Schemmel, Christos G. Aneziris, Anja Weidner, Horst Biermann   +5 more
wiley   +1 more source

Sediment transport under increasing anthropogenic stress: Regime shifts within the Yellow River, China. [PDF]

Ambio, 2020
Song S, Wang S, Fu B, Liu Y, Wang K, Li Y, Wang Y.   +6 more
europepmc   +1 more source

Investigation of Thermo‐Chemical Processes in Commercial MgO‐C Refractory Bricks With and Without MgO‐C Recyclate at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This study investigates thermo‐chemical processes during high‐temperature testing of two commercial MgO‐C brick grades, one containing 47.5 wt.% MgO‐C recyclate. Using ETV, DTA/TG‐MS, XRD, and SEM/EDS/EBSD, mechanisms such as carbothermal reduction of magnesia, impurity incorporation into the secondary MgO surface layer, and calcium‐rich phase ...
Alexander Schramm, Jana Hubálková, Christian Schimpf, Thomas Schemmel, Christos G. Aneziris, Anja Weidner, Horst Biermann   +6 more
wiley   +1 more source

Sediment transport by Greenland's icebergs. [PDF]

Nat Commun
Pierce E, Overeem I, Hasholt B.
europepmc   +1 more source

Hydraulic, wash-off and sediment transport experiments in a full-scale urban drainage physical model. [PDF]

Sci Data, 2020
Naves J, Anta J, Suárez J, Puertas J.
europepmc   +1 more source