Results 201 to 210 of about 25,601 (261)

Biomimetic Processing of Ceramics and Ceramic-Metal Composites

MRS Proceedings, 1990
ABSTRACTBiomimetic design and processing of laminated B4C-Al cermets, based on knowledge gained from the microstructure-property characterization of abalone shells, is described. In the nacre section of the shell, the microstructure is highly organized as CaCO3(aragonite) crystals, with a thickness of 0.25 μm, separated by a layer of organic matter 300–
M. Yasrebi, G. H. Kim, K. E. Gunnison, D. L. Milius, M. Sarikaya, I. A. Aksay   +5 more
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Ceramic-metal composite actuator

Ferroelectrics, 1994
The main objective of this work was to develop a new type of actuator. It consists of a piezoelectric ceramic disk or multilayer stack and two metal end plates with a crescent-shaped cavity on the inner surface. The plates are used as mechanical transformers for converting and amplifying the lateral displacement of the ceramic into a large axial motion
Q.C. Xu, A. Dogan, J. Tressler, S. Yoshikawa, R.E. Newnham   +4 more
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Fracture in metal–ceramic composites

Composites Science and Technology, 2004
This research focuses on fracture mechanisms in metal–ceramic composites. Two co-continuous composites, Cu/Al2O3 and Al/Al2O3 and a metal–matrix composite Al/SiC were studied. It was found that each composite displayed a different fracture mechanism. The crack propagation inside the metal–matrix composite was dominated by the Al matrix characteristics.
Parul Agrawal, C.T. Sun
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Structure and Composition of Metal/Ceramic Interfaces

Key Engineering Materials, 1995
Abstract The structure and composition of metal/ceramic interfaces play an important role for the properties of composites, for the bonding of bulk metals (or metallic alloys) to bulk ceramics, in electronic packaging, and for the properties of oxide scales on metals (or metallic alloys) formed after high-temperature corrosion.
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Microdesigning of Ceramic-Metal Composites

1987
Microdesigning of ceramic-metal composites is described in chemically compatible and incompatible systems. The problems associated with microstructural design are addressed with respect to capillarity and reaction thermodynamics. The B4C−Al system is used to illustrate the formation of tailored microstructures which exhibited average fracture strength ...
A. J. Pyzik, I. A. Aksay, M. Sarikaya
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Micrograded ceramic-metal composites

Journal of the European Ceramic Society, 2019
Abstract The article shows new designed cermets and processes concerning primary to applications as thermal insulation materials with low emissivity. A new projected microstructure was obtained where dense regions (micropellets) rest inside the main porous pellet.
Thomaz Augusto Guisard Restivo, Rafael Fonseca Beccari, Wellington Rafael Padilha, Michelangelo Durazzo, Victor Bridi Telles, Jorge Coleti, Chieko Yamagata, Antonio Carlos da Silva, Eduardo Suzuki, Jorge Alberto Soares Tenório, Sonia Regina Homem Mello-Castanho   +10 more
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Metal–Ceramic Composite Actuators

Journal of the American Ceramic Society, 1992
A new type of actuator composed of metal (brass) end caps and piezoelectric ceramics has been developed as a displacement transducer. Shallow cavities positioned between the metal caps and the central ceramic disk convert and amplify the radial displacement of the piezoelectric ceramic into a large axial motion of the metal end ...
Yutaka Sugawara, Katsuhiko Onitsuka, Shoko Yoshikawa, Qichang Xu, Robert E. Newnham, Kenji Uchino   +5 more
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Processing of ceramic–metal composites

Advances in Applied Ceramics, 2012
Design and development of advanced materials for high performance applications and bringing these materials into use are the most challenging tasks of modern engineering. Ceramic–metal composites are natural candidates for these demanding applications due to their very attractive properties.
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Design of metal ceramic composites

International Journal of Materials Research, 2006
Abstract The reinforcement of light metal alloys with ceramic preforms offers a wide range of possibilities to improve mechanical and thermal properties and makes them usable for technical application. Starting with the Lokasil® composite material, different metal ceramic materials were created under serial-like conditions with the aim ...
Ilka T. Lenke, Dirk Rogowski
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Ceramic-metal composite resonators

Proceedings of the IEE - Part B: Electronic and Communication Engineering, 1962
The results of investigations into the design and performance of composite resonators, for use in electric wave filters in the frequency range 15–30 kc/s, are reported. Each resonator comprises a ferro-electric ceramic element bonded between two metal rods so as to form a half-wavelength resonator. By using metal having a low temperature coefficient of
J. Birch, C.J. Dredge, E.E. Riches
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