Results 141 to 150 of about 735,472 (273)

Influence of Heat Treatment Temperature on Crevice and Pitting Corrosion of UNS S32205 Duplex Stainless Steel

steel research international, EarlyView.
Heat treatments that alter the proportions of austenite and ferrite phases or induce the precipitation of phases such as sigma in duplex stainless steel UNS S32205 make it more susceptible to pitting and crevice corrosion. However, the effects of these treatments are not always evident when analyzed using the cyclic polarization technique.
Alba Regina Turin, Jomar José Knaip Ribeiro, Alex Pizzatto, Oriana Palma Calabokis, Yamid E. Nuñez de la Rosa, Pedro Victorio Caetano Abrantes Quadros, Claudio Moreira de Alcantara, Tiago Cousseau, Paulo César Borges   +8 more
wiley   +1 more source

Inferring cumulative crack widths in reinforced concrete structures using Coda Wave Interferometry of ultrasound

Structural Concrete, EarlyView.
Abstract Whether concrete structures are cracked, how wide these cracks are, and whether they must be regarded as damaging, is a central issue in structural health monitoring. Ultrasonic measurements evaluated with the sensitive Coda Wave Interferometry (CWI) have the potential to detect cracks early—long before they become visible. This paper presents
Felix Clauß, Noah Sträter, Mark Alexander Ahrens, Peter Mark   +3 more
wiley   +1 more source

WLI, XPS and SEM/FIB/EDS Surface Characterization of an Electrically Fluted Bearing Raceway

Lubricants
Electrical bearing currents may disturb the performance of the bearings via electro-corrosion if they surpass a limit of ca. 0.1 to 0.3 A/mm2. A continuous current flow, or, after a longer time span, an alternating current or a repeating impulse-like ...
Omid Safdarzadeh, Alireza Farahi, Andreas Binder, Hikmet Sezen, Jan Philipp Hofmann   +4 more
doaj   +1 more source

Six-orders-of-magnitude-spanning dispersion measurement via Kalman filtering-aided white-light interferometry.

Optics Express
Dispersion plays a great role in ultrafast laser oscillators, ultrashort pulse amplifiers, and many other nonlinear optical dynamics. Therefore, dispersion measurement is crucial for device characterization, system design and nonlinear dynamics ...
Mingjin Gao, Yuhang Li, Fan Zhang, Jiehao Wang, Shuyang He, Huijian Liang, Yumin Zhang, Lianqing Zhu, Xiaoshun Jiang, Qiang Liu   +9 more
semanticscholar   +1 more source

Investigating Spatial‐Temporal Optical Emission Spectroscopy of Unstable Positive Leaders in Long Sparks Under Atmospheric Pressure

High Voltage, EarlyView.
ABSTRACT This study explores exciting state species and reaction pathways in positive leaders to better understand the breakdown mechanisms of long air gap discharges and natural lightning. Emission spectra from an unstable positive leader in a 1 m rod‐plate air gap under switching impulse voltages were observed, spanning 300–800 nm.
Hengxin He, Yubin Huang, Wanxia Zhang, Chang Liu, Xiuyuan Yao, Yu Ying, Weijiang Chen   +6 more
wiley   +1 more source

Demonstration of a family of X‐ray dark‐field retrieval approaches on a common set of samples

Journal of Synchrotron Radiation, EarlyView.
This study aims to guide users of dark‐field imaging in selecting the most suitable technique for their imaging goals. To this end, we provide a summary table and highlight opportunities for future research into the sources of dark‐field contrast across emerging methods.There are various imaging setups capable of capturing dark‐field images, each with ...
Samantha J. Alloo, Ying Ying How, Jannis N. Ahlers, David M. Paganin, Michelle K. Croughan, Kaye S. Morgan   +5 more
wiley   +1 more source

In vitro Evaluation of Calcium Phosphate Precipitation on Possibly Bioactive Titanium Surfaces in the Presence of Laminin

eJournal of Oral Maxillofacial Research, 2011
Objectives: The aim of the present study was to evaluate calcium phosphate precipitation and the amount of precipitated protein on three potentially bioactive surfaces when adding laminin in simulated body fluid.Material and Methods: Blasted titanium ...
Kostas Bougas, Victoria Franke Stenport, Fredrik Currie, Ann Wennerberg   +3 more
doaj  

Peixe Zircon as a Quality Control Reference Material in U‐Pb Geochronology by LA‐ICP‐MS

Geostandards and Geoanalytical Research, EarlyView.
Key Points Peixe#0 zircon was characterised for U‐Pb geochronology using CA‐ID‐TIMS, SIMS and a long‐term LA‐ICP‐MS data set. The consistent results establish Peixe#0 as a reference material for U‐Pb quality control. Trace element heterogeneity requires careful, CL‐guided spot selection.
Margareth Sugano Navarro, Erica Martini Tonetto, Elson P. Oliveira, Mauricio Ibañez‐Mejia, Cristina Talavera, Neal J. McNaughton, Jacinta Enzweiler, Michael Wiedenbeck   +7 more
wiley   +1 more source

Ionospheric compensation in L-band InSAR time-series: Performance evaluation for slow deformation contexts in equatorial regions

Science of Remote Sensing
Multi-temporal Synthetic Aperture Radar Interferometry (MT-InSAR) is the only geodetic technique allowing to measure ground deformation down to mm/yr over continuous areas.
Léo Marconato, Marie-Pierre Doin, Laurence Audin, Erwan Pathier   +3 more
doaj   +1 more source

Linderalactone mitigates diabetic renal injury by inhibiting macrophage inflammation via the Dectin1/Syk/CARD9/IRF5/NF‐κB pathway

Journal of Diabetes Investigation, EarlyView.
ABSTRACT Background Inflammation plays an essential role in the pathogenesis of diabetic nephropathy (DN). Linderalactone (LNL), as a natural sesquiterpene lactone, has been discovered to have anti‐inflammatory activation. However, the effects of linderalactone on diabetes‐associated renal damage remain unclear.
Hao Chen, Sheng Xu, Bingrong Chen, Xishan Xiong, Jinrui Hu, Yuhong Wu, Tianrui Wang, Huishang Wang   +7 more
wiley   +1 more source