Results 41 to 50 of about 285,636 (215)

Fracture Resistance of Zirconia Oral Implants In Vitro: A Systematic Review and Meta-Analysis [PDF]

, 2020
Various protocols are available to preclinically assess the fracture resistance of zirconia oral implants. The objective of the present review was to determine the impact of different treatments (dynamic loading, hydrothermal aging) and implant features (
Bethke, Annalena, Burkhardt, Felix, Kohal, Ralf‐Joachim, Pieralli, Stefano, Spies, Benedikt Christopher, Stein‐Lausnitz, Manja von, Vach, Kirstin   +6 more
core   +1 more source

Classification of critical aging segments of power transmission lines [PDF]

, 2011
An Analytic Hierarchy Process (AHP) approach been used for analysis, comparison and classify the quality of several parameters that affect the conductor thermal ratings.
Mohamed Ariffin, Nur Azliatun Hisan
core  

Experimental study of out of equilibrium fluctuations in a colloidal suspension of Laponite using optical traps [PDF]

, 2008
This work is devoted to the study of displacement fluctuations of micron-sized particles in an aging colloidal glass. We address the issue of the validity of the fluctuation dissipation theorem (FDT) and the time evolution of viscoelastic properties ...
Artyom Petrosyan, Bellon L, Buisson L, Crisanti A, Imparato A, Jabbari-Farouji S, Jabbari-Farouji S, Jop P, Joubaud S, Juan Ruben Gomez-Solano, Kob W, Kurchan J, Pierre Jop, Sergio Ciliberto, Zamponi F   +14 more
core   +3 more sources

Modification of Octavinyl POSS and Its Effect on the Mechanical Properties and Thermal Stability of Silicone Rubber/POSS Composites

Nanomaterials
Octavinyl polyhedral oligomeric silsesquioxane (POSS) can be used to improve the thermal stability of silicone rubber (SR). However, POSS nanoparticles tend to agglomerate in SR matrix, negatively affecting the reinforcement role of POSS for SR, and ...
Junjie Peng, Yong Zhang
doaj   +1 more source

Effect of Nano Al2O3 Doping on Thermal Aging Properties of Oil-Paper Insulation

Energies, 2018
The thermal aging property of oil-paper insulation is a key factor affecting the service life of transformers. In this study, nano-Al2O3 was added to insulating paper to improve its anti-thermal aging property and delay the aging rate of the insulating ...
Ningchuan Liang, Ruijin Liao, Min Xiang, Yang Mo, Yuan Yuan   +4 more
doaj   +1 more source

Modelling the Effect of Thermal Aging on Transformer Oil Electrical Characteristics Using a Regression Approach

Energies, 2022
The effect of thermal aging on the electrical properties of the insulating oil used for transformers has been explored in this experimental work. In particular the dielectric dissipation factor, the resistivity and the breakdown voltage have been ...
Sifeddine Abdi, Abderrahmane Manu Haddad, Noureddine Harid, Ahmed Boubakeur   +3 more
doaj   +1 more source

Synthesis of Platinum Nanocrystals Dispersed on Nitrogen-Doped Hierarchically Porous Carbon with Enhanced Oxygen Reduction Reaction Activity and Durability

Nanomaterials, 2023
Platinum-based catalysts are widely used for efficient catalysis of the acidic oxygen reduction reaction (ORR). However, the agglomeration and leaching of metallic Pt nanoparticles limit the catalytic activity and durability of the catalysts and restrict
Min Li, Feng Liu, Supeng Pei, Zongshang Zhou, Kai Niu, Jianbo Wu, Yongming Zhang   +6 more
doaj   +1 more source

Electrical noise properties in aging materials

, 2004
The electric thermal noise has been measured in two aging materials, a colloidal suspension (Laponite) and a polymer (polycarbonate), presenting very slow relaxation towards equilibrium.
Bellon, L., Buisson, L., Ciccotti, M., Ciliberto, S.   +3 more
core   +4 more sources

Effect of Nanoparticles on the Morphology, Thermal, and Electrical Properties of Low-Density Polyethylene after Thermal Aging

Nanomaterials, 2017
This paper investigates the morphology, thermal, and electrical properties of LDPE (low-density polyethylene)-based nanocomposites after thermal aging.
Youyuan Wang, Can Wang, Zhanxi Zhang, Kun Xiao   +3 more
doaj   +1 more source

INFLUENCE OF THERMAL AGING IN DIFFERENTIAL STICKING PROPERTIES OF THE DRILLING FLUIDS WITH CLAY [PDF]

Tecnologia em Metalurgia, Materiais e Mineração, 2013
This work has the aim to evaluate the influence of thermal aging and filtration properties in the differential sticking of the clay fluids. Clay fluids with dispersant additives tested at room temperature and after thermal aging are studied.
Raquel Santos Leite, Renalle Cristina Alves de Medeiros Nascimento, Luciana Viana Amorim   +2 more
doaj   +1 more source