Results 281 to 290 of about 125,106 (323)

Estimating the erosion and degradation performance of ceramic and polymeric insulator materials in high current arc environments

IEEE Transactions on Magnetics, 1991
Modeling the erosion and holdoff degradation performance of various commercially available polymeric and ceramic insulators is addressed. The insulators are tested on a surface discharge switch at approximately 300 kA in atmospheric air. Test diagnostics include the surface voltage holdoff recovery and the eroded mass loss of the insulator and ...
T.G. Engel, M. Kristiansen, E. O'Hair, J.N. Marx   +3 more
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Study on Ozone Degradation Experiment of Porous Foam Ceramic Catalytic Materials

Advances in Environmental Protection, 2020
姝 沈
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Radiation-induced electrical degradation of ceramic materials: an artefact?

Journal of Nuclear Materials, 1993
Recently three experimental groups around Hodgson [1,2], Pells [3], and Shikama [4] have reported a phenomenon in irradiated ceramics, called radiationinduced electrical degradation (RIED). Their experimental results suggest that ceramic materials suffer a permanent loss of their electrically insulating ability after exposure to low doses of ...
W. Kesternich, F. Scheuermann, S.J. Zinkle   +2 more
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Degradation/Alteration of Ceramic Lining Materials in Corrosive Environments

CORROSION 1986, 1986
Abstract Specific cases of the degradation/alteration of ceramic lining materials in highly corrosive industrial processing environments are discussed. Examples drawn from experiences in acid production, hydrometallurgy, wood pulp plants, chemical plants, power plants and others are reviewed.
R. R. Pierce, C. E. Semler
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In-vitro strength degradation of dental ceramics and novel PICN material by sharp indentation

Journal of the Mechanical Behavior of Biomedical Materials, 2013
To determine the flexural strength and subsequent strength degradation of a range of dental CAD/CAM ceramic materials and novel PICN (Polymer-Infiltrated-Ceramic-Network) materials by means of pre-damaging with Vickers indentations at various loads.The materials tested included (Mark II, PICN test material 1 and 2, In-Ceram Alumina, VM 9, In-Ceram YZ ...
Andrea, Coldea, Michael V, Swain, Norbert, Thiel   +2 more
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06/02302 Thermal conductivity degradation of ceramic materials due to low temperature, low dose neutron irradiation

Fuel and Energy Abstracts, 2006

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CHARACTERIZATION OF MATERIAL DEGRADATION IN CERAMIC MATRIX COMPOSITES USING INFRARED REFLECTANCE SPECTROSCOPY

AIP Conference Proceedings, 2011
Ceramic matrix composite materials for thermal protection systems are required to maintain operational performance in extreme thermal and mechanical environments. In‐service inspection of materials capable of assessing the degree and extent of damage and degradation will be required to ensure the safety and readiness of future air vehicles.
Adam T. Cooney, Richard Y. Flattum-Riemers, Benjamin J. Scott, Donald O. Thompson, Dale E. Chimenti   +4 more
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Surface Chemical Characterization of Ceramic Materials: Adsorption and Degradation of 3,6,9‐Trioxadecanoic Acid on Nano‐ZrO ₂

Journal of the American Ceramic Society, 2009
This paper deals with the specific interaction of the dispersant 3,6,9‐trioxadecanoic acid (TODA) with nano‐ZrO 2 surfaces. Special interest was directed towards degradation behavior of the adsorbates and its influence on dispersant capabilities of TODA regarding ...
Finke, T., Lingenfelser, D., Bindler, K., Eisele, U., Bockhorn, H., Brunklaus, G.   +5 more
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Thermal barrier coatings for jet engines: New ceramic materials, thermal conductivity, and degradation mechanisms.

, 2012
Uwe Schulz
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In vitro degradation and cell response of calcium carbonate composite ceramic in comparison with other synthetic bone substitute materials

Materials Science and Engineering: C, 2015
The robust calcium carbonate composite ceramics (CC/PG) can be acquired by fast sintering calcium carbonate at a low temperature (650 °C) using a biocompatible, degradable phosphate-based glass (PG) as sintering agent. In the present study, the in vitro degradation and cell response of CC/PG were assessed and compared with 4 synthetic bone substitute ...
Fupo, He, Jing, Zhang, Fanwen, Yang, Jixiang, Zhu, Xiumei, Tian, Xiaoming, Chen   +5 more
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