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Topic: Cermet

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	Cermet - Wikipedia, the free encyclopedia
		Cermet is an abbreviation for "'ceramic" and "metal." A CerMet is a composite material composed of ceramic (cer) and metallic (met) materials.
		A Cermet is ideally designed to have the optimal properties of both a ceramic, such as high temperature resistance and hardness, and those of a metal, such as the ability to undergo plastic deformation.
		Cermets are also used in dentistry as a material for fillings and prostheses.
	en.wikipedia.org /wiki/Cermet (240 words)

	Solar Absorptance of Cermet Coatings Evaluated
		Cermet coatings, molecular mixtures of metal and ceramic, are being considered for the heat inlet surface of solar Stirling convertors.
		Cermet coatings are manufactured utilizing sputter deposition, and many different metal and ceramic combinations can be created.
		The cermet coatings are typically 250 nm thick, and they are purposely made to be metal rich at the substrate-coating interface and ceramic rich at the surface, with the composition of metal and ceramic changing through the thickness of the coating.
	www.grc.nasa.gov /WWW/RT/2003/5000/5480jaworske.html (349 words)

	FURNACE CONCEPTS, INC. - Your home for gas or electric furnaces, ovens, heating elements and all kinds of high-temp ...
		Once the Cermet tube is covered with molten glass it is retracted back into the passage until the glass solidifies forming a air tight seal which protects all the Moly components from oxidation thus no additional cooling is required.
		The Cermet bubbler tube is made of high purity (Molybdenumdisiliside) which is stable in the molten glass to temperatures of 2800° F. The material will not dissolve or add any impurities or color to the molten glass.
		Cermet bubbler tubes are available in many common sizes as well as special diameters and lengths with varying flow characteristic.
	www.furnace-concepts.com /html/glass.htm (476 words)

	Table Tennis - Cermet (Site not responding. Last check: 2007-11-06)
		Cermet is a rubber with a fantastic topsheet and very soft sponge.
		Cermet is superb, far better than bryce in spin and control and just as powerful.It is hard to realize that a rubber of this quality exists indeed.
		Cermet is slightly slower than the Bryce but the fact is Cermet has EXTREME feeling and control, this is by far the best controled attacking rubber by miles.
	www.tabletennis.gr /equipment/comments.asp?pid=429 (1965 words)

	Michell Instruments :: On-line Hygrometers :: CERMET II & CERMET II IS On-line Hygrometer
		Cermet II combines our wealth of experience in the production of dew point sensors with state of the art electronics, to give a combination of great power, performance and reliability.
		Interconnection between the Cermet II Sensor and Monitor is via a simple cable link, with a maximum cable distance between the two of 1200m.
		The Cermet II Monitor is a fully self-contained display system in a 1/8 DIN panel mounting case, which indicates the measured humidity parameter (°C or °F dewpoint, ppmV, lbmmscf or gm-³), pressure compensation (if required), current and digital outputs and two 10A alarm relays.
	www.michell.co.uk /cat/view/cermet-ii.html (293 words)

	Cermet and Ceramic Tipped Saw Blades - Markets, Successes and Future Prospects
		Cermet saws and tools are being developed by some of the largest saw companies in the world.
		Cermets and ceramics will largely replace carbide in brazed tools as they have in mechanically held tools.
		Cermet saw blades are being used successfully on saws in production operations.
	www.azom.com /details.asp?articleid=1819 (695 words)

	Feature - Cermets Get Assertive - 01/06
		While cermets of the past were more uniformly vulnerable to impacts and thermal shocks, cermet inserts today are tougher—some of them offering flexural strength equal to that of P15 carbide.
		The word cermet is a contraction of “ceramic” and “metal.” A cermet consists of a ceramic material (such as titanium carbide or titanium carbonitride) cemented with a metal binder.
		Cermets today are tougher than they once were, but their toughness still does not match that of the toughest carbides.
	www.mmsonline.com /articles/010603.html (961 words)

	Cermet, Inc - Atlanta
		Cermet's work with bulk crystal growth is at the forefront of research and product development in the compound semiconductor industry.
		Cermet participates with numerous academic institutions, government sponsored laboratories and agencies, and private and public companies to propel new technologies into commercial realization.
		Cermet is intimately involved with the novel growth, characterization, and device structure development of a number of advanced materials such as ZnO, GaN, and AlN.
	www.cermetinc.com /research.htm (114 words)

	Ceramic Tipped Saws, Cermet Saw Blades, and Ceramic Tipped Tools - Carbide Processors, Inc.
		Cermets are different than carbide: It may take a couple tries before you can make or use cermet saw successfully.
		Cermet saws are not for everyone: Cermet saws are more expensive than most carbide and not everyone can appreciate the differences.
		Cermets are much more wear resistant than carbide so they are harder to grind.
	www.carbideprocessors.com /Saws/intro.htm (2471 words)

	(Site not responding. Last check: 2007-11-06)
		The reflectance from the cermet absorber layer is reduced by gradually increasing the metal volume fraction, and hence the refractive index, from the surface down to the base.
		During the deposition of a M-AlN cermet both Al and M targets are run simultaneously in the gas mixture of argon and nitrogen.
		During the deposition of a SS-AlN cermet layer both the Al and SS targets are run simultaneously in the gas mixture of argon and nitrogen.
	www.physics.usyd.edu.au /apphys/ss.html (3669 words)

	A Bulk Crystal Growing Process for Wide-Bandgap Substrate Materials (441)
		Cermet, Inc. (Atlanta, GA), has developed a patented process and equipment for producing zinc-oxide crystals, which may be fabricated into 1- to 2-inch substrates.
		Cermet’s approach can produce high-quality zinc oxide crystals at a much lower cost than current vapor growth processes and, thus, may be the enabling technology for the blue laser’s entry into the commercial marketplace on a large scale.
		Cermet’s goal is to serve as a materials supplier to technology integrators.
	www.mdatechnology.net /techsearch.asp?articleid=441 (1158 words)

	TechDigest - Cermet Developments For Improved Finish Turning
		Cermets have had to live with a long reputation of being susceptible to sudden, unpredictable insert failure and as such have not been straightforward in their application.
		In the latest generation of cermet grades, based on Ti, W, C, N and Co, the company has a thorough understanding of which ingredients are needed, to which amount, and how to establish the processes.
		Cermets have in the past had a reputation of suddenly fracturing during machining, but the improved toughness has minimized this risk and provided better security.
	www.mmsonline.com /articles/0900td1.html (647 words)

	Eurogrind UK - Cermet Cutting Tools
		Cermet inserts have longer tool life and can run at higher cutting speeds than standard coated carbide inserts.
		Cermet consists of ceramic re-enforced with titanium nitride and tantalum nitride.
		Cermet is harder and more wear resistant than tungsten carbide cutting tools but tougher than ceramic.
	www.eurogrind.com /content/cermet.htm (129 words)

	American Elements: Nickel Cermet Supplier & Tech Info
		Cermet is available as a tape cast powder, non-aqueous ink for screen printing, and spray-dried powder and several yttria doping levels.
		Once fired, nickel cermet will sinter to form a thin film with nanoscale well-defined necks and open gas paths to permit simultaneous gas and electronic transfer.
		The proportion of Nickel to YSZ reflects a trade off between stability (YSZ) and conductivity (Nickel) which must be balanced to prevent coarsening during operations and maximize the long term stability of the fuel cell.
	www.americanelements.com /nic.html (187 words)

	RX-7 Owners Club - Some Cermet engine results (Site not responding. Last check: 2007-11-06)
		I just did a compression test on a 12a built with cermet b housings and lapped end plates, after 1200kms it has 120 psi compression at cranking on both the front and rear.
		I have some other motors with Cermet in them as well, and will post results once they are broken in as well.
		From the research I've done, cermet coatings DO have heat resisting properties, are much wear resistant than the iron istself,and even have self lubricating properties should something begin to overheat or loose lubrication.
	www.rx7club.com /showthread.php?t=451815 (1403 words)

	Bourns University
		Cermet, also known as thick film, refers to resistive and conductive films greater than.0001 inch thick, resulting from firing a paste, or ink, that has been deposited on a ceramic substrate.
		In terms of advantages, cermet elements provide good stability of total resistance over time and temperature changes.
		In terms of limitations, cermet elements have poorer dynamic noise performance than those of conductive plastic.
	www.bourns.com /bu/bu02_24cermet.html (180 words)

	OTM insert information (Site not responding. Last check: 2007-11-06)
		Tough cermet with good wear resistance for drilling in most steels.
		Toughest cermet with good shock resistance for rough milling in a wide range of materials.
		Smooth coating for machining steels and stainless steel with coolant or when a tougher cermet is needed.
	www.otmtools.com /design/insert_info.htm (491 words)

	Grinding Cermet Tipped Saws
		Cermet is comprised of non-metallic refractory compounds (carbides and nitrides) and metallic binders namely Cobalt and Nickel (metals) hence the name Cermet.
		In grinding cermet it has been found that when the grinding pressures go up the surface finish goes down due to heat and impact on both the grinding wheel and on the Cermet being ground.
		When the grinding pressures go up the surface finish goes down due to chipping and subsurface damage which is difficult to detect and can have an adverse effect on the performance of the tool and the tool life.
	www.carbideprocessors.com /Saws/techinfo4.htm (571 words)

	Case Study - Performance of Cermet Cutting Blades vs Carbide Blades in a Slat Cutting Mill
		Case Study — Performance of Cermet Cutting Blades vs Carbide Blades in a Slat Cutting Mill
		This is a company manufacturing products where a very large number of slats are required for each item.
		Cermet tipped saws cut 30 slats at a time compared to only 14 for carbide tipped saws.
	www.azom.com /details.asp?articleid=1820 (342 words)

	Cermet Grade suits finishing applications., Sandvik Coromant Co.
		Cermet Grade suits finishing applications., Sandvik Coromant Co.
		Fairlawn, NJ, March 24, 2003 — CT5005 is a new cermet grade from Sandvik Coromant developed to produce high quality surfaces in turning operations.
		This new cermet is designed to be used in high speed, high production finishing applications with or without coolant.
	news.thomasnet.com /fullstory/20506 (581 words)

	cermet
		Bonded material containing ceramics and metal, widely used in jet engines and nuclear reactors.
		Cermets behave much like metals but have the great heat resistance of ceramics.
		Tungsten carbide, titanium, zirconium bromide, and aluminium oxide are among the ceramics used; iron, cobalt, nickel, and chromium are among the metals.
	www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0016445.html (203 words)

	Method for bonding a porous metal layer to a cermet surface (US4898699)
		The bonding of a porous metal layer to at least one surface of a cermet is accomplished, without a supporting metal netting in the green cermet blank, by using a reducible metal oxide in the green cermet blank and a reducible metal oxide layer on the surface or surfaces of the green blank.
		In the following reducing sintering step the metal component in the green blank and the porous metal layer are formed simultaneously resulting in an intimate strong bond between the cermet blank and the porous metal layer.
		A method for bonding a porous metal layer to a cermet surface of a cermet blank to form a cell or bi-polar plate in which the cermet acts as an electrically non-conducting diaphragm and the porous metal layer acts as an electrode, comprising the following steps:
	www.delphion.com /details?pn10=US04898699 (414 words)

	Ceramic-tipped Saw Blades by Ken Sharp and Jim Mattson
		If I were forced to choose, I'd select the Cermet blade but picking one or the other would have been splitting hairs to me. In any case, using these blades to cut out the parts for the MDF boxes was a cinch.
		After a week of busting up panel stock and before giving these blades back to Ken, I made two final cuts in melamine thinking maybe the condition of the bottom edge might be a clue as to which was really the sharpest or more durable blade.
		The special techniques required for cermets are basically attention to speeds and feeds as well as temperatures and coolant cleanliness.
	www.woodworking.org /WC/GArchive00/2_19cermetblade.html (1886 words)

	Cermet Composite Powders from READE
		cermet powders, boride based cermets, carbide based cermets, carbon containing cermets, oxide based cermets, ge, pwa, msrr, snecma, volvo, cermet composite powder, cermet powders, boride based cermets, carbide based cermets, carbon containing cermets, oxide based cermets, ge, pwa, msrr, snecma, volvo, cermet composite powder
		Four main groups of cermets presently exist and available from READE are: carbon-containing cermets, oxide-based cermets, boride-based cermets, and carbide-based cermets
		The three most popular cermets available from READE are: alumina-chromium cermet, thoria-molybdenum cermet and titanium carbide-base cermet.
	www.reade.com /Products/Ceramics/cermet.html (169 words)

	Cermet Materials, Inc. (Site not responding. Last check: 2007-11-06)
		Cermet's 70%Ag/30%Pd AgPd 7001 powder is a highly alloyed, monosized spherical powder, designed for use as an inner electrode for multilayer ceramic capacitors and thick film conductors.
		This powder demonstrates good dispersion characteristics and is ideal in applications where smooth, thin, and low laydown conductive metallizations are required.
		Cermet 70%/30%Pd metal powders are also available with a Pd rich exterior (FG Series), Ag core/Pd shell, and/or coated with a variety of organic and inorganic coatings to affect shrinkage, oxidation, and wetting characteristics.
	www.cermetmaterials.com /7001.html (127 words)

	(WO/1992/006223) NICKEL OR COBALT BASED CERMET WITH DISPERSED NIOBIUM CARBIDE (Site not responding. Last check: 2007-11-06)
		(EN) A cermet material, a composite roll comprising a steel or iron based core and a hardface of the cermet material, and a method of forming a composite roll by plasma arc welding the cermet material onto the core are disclosed.
		The hardface comprises a dispersion of niobium carbide particles in a cobalt based matrix or a nickel based matrix having a carbon concentration in the matrix of less than 0.3 wt %.
		An important characteristic of the hardface is that it has a uniform dispersion of niobium carbide particles.
	www.wipo.int /pctdb/en/wo.jsp?WO=1992/06223 (399 words)

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