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metallic bond
metallic bond
metallic bond The chemical bond that links the atoms in a solid metal. The atoms are ionized and electrons move fairly freely among them as an ‘electron gas’, the bond being between the electropositive atoms and the electrons. It is the free electrons that give metals their high electrical and thermal conductivities. See also
COVALENT BOND,
HYDROGEN BOND, and
IONIC BOND.
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Visualizing the Metallic Bond
Magazine article from: JOM; 3/1/2008; ; 700+ words
; ...realization that intrinsic metallic properties are controlled at...between electronic structure and metallic properties are still rationalized...typical of ionic, covalent, and metallic materials. The calculated...of scientists to associate bonds ranging from ionic to covalent...
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All foil no toil: metallic foil bonds like solder but without the heat.(Joining)
Magazine article from: Appliance Design; 9/1/2004; ; 700+ words
; ...solder or brazen, when the two bond, the metal will expand and...designers specify an epoxy to bond dissimilar materials, the epoxy...meet the industry demand for bond strength and longevity. RNT...Epoxies are too weak Strong metallic bond Epoxies degrade over time...
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James Bond Cars Shine With Aluminum; Metallic Agent Plays Secret Role in Hit Movie.
PR Newswire; 12/2/2002; 700+ words
; ...the vehicles featured in the hit James Bond movie, Die Another Day. According to...include: Aston Martin Vanquish V12 James Bond (Pierce Brosnan) drives the Vanquish...180 mph. "It's no coincidence that Bond's coolest cars use the hottest metal...
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Joseph P. Coppotelli, vice chairman of Structure Tone. Inc., and Robert A. Ledwith, business manager and financial secretary-treasurer of the Metallic Lathers and Reinforcing Ironworkers, Local 46, were honored by State of Israel Bonds' Construction and Building Trades Division at a dinner following its third annual golf tournament in Purchase, NY.
Magazine article from: Real Estate Weekly; 9/24/2008; ; 700+ words
; ...business manager and financial secretary-treasurer of the Metallic Lathers and Reinforcing Ironworkers, Local 46, were honored by State of Israel Bonds' Construction and Building Trades Division at a dinner following...in Purchase, NY. The dinner produced $4.1 million in bond sales. L-R: Event ...
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Building strong bonds: enhancing interlaminar bond strength for high performance resin systems with an organo-metallic copper surface treatment process.
Magazine article from: CircuiTree; 7/1/2004; ; 700+ words
; ...the authors as an organo-metallic adhesion promotion system, increases the bond strength of the resin to...the copper. This organo-metallic process is used because higher...alternative process (organo-metallic) imparts a coating on the...
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Metallic blister-cards impact gels: Pentel of America, Ltd. unveils an eye-catching new package for its liquid-gel ink pen. The package uses a proprietary metallic blister card and transparent inks that provide shelf impact in a crowded retail aisle.(Package manufacturing: blister-card printing)(Brief Article)(Advertisement)
Magazine article from: Packaging Digest; 7/1/2003; 700+ words
; ...Glues do not adhere well to the metallic substrate, and the thermoform...Group, adds, "That way, the metallic blister cards create a strong bond when the blister and product are applied to the card. Our metallic stock allows heat to penetrate...
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Metallic coagents for rubber-to-metal adhesion.
Magazine article from: Rubber World; 9/1/1995; ; 700+ words
; ...both an adhesive to bond the metal to the rubber...peroxide-cured with metallic coagents yield stronger rubber-to-metal bonds without the use of external...surface. During curing, metallic coagents develop adhesive...that are cured with metallic coagents. Ionic bonds exhibit both ...
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Metallic powders perfected. (Syntha Pulvin develops Evodure Metallics)(Report: Powder coatings)
Magazine article from: Finishing; 6/1/1991; 700+ words
; ...requirements. The Evodure Metallic bonding process utilises technique to bond the individual flakes of metal...melt during stoving, the metallic flakes are released. They...leafing effect which generates a metallic appearance. The Evodure Metallic...
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Metallic coagents boost rubber-to-metal bonding.(Brief Article)
Magazine article from: Rubber & Plastics News; 4/17/2000; ; 700+ words
; ...products require an adhesive to bond the metal to the rubber and...step also is required. The metallic coagents offer several alternative...Depending on the application, the metallic coagents can be used in different...strong rubber-to-metal bonds without the use of external...procedure that ...
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Fumed metallic oxides enhance rheology of water-based adhesives.
Magazine article from: Adhesives Age; 2/1/1995; ; 700+ words
; ...performance requirements. Metallic oxides which were evaluated...evaluated for each system. Fumed Metallic Oxides The process of high...viscosity through these hydrogen bonds which are easily broken down...rheological influences fumed metallic oxides have in certain water...
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metallic bond
Book article from: A Dictionary of Plant Sciences
metallic bond The chemical bond that links the atoms in a solid metal. The atoms are ionized and...freely among them as an ‘electron gas’, the bond being between the electropositive atoms and the electrons. It is...
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Chemical Bonds and Physical Properties
Book article from: World of Earth Science
...types of chemical bonds found in minerals: ionic, covalent, metallic, and van der Waals. An ionic bond is the result of...the true covalent bond, however, in that...weakness of the bonds results in the lower...often observed in metallic minerals such as...characteristic of covalent ...
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chemical bond
Book article from: The Columbia Encyclopedia, Sixth Edition
...principal types of chemical bond are the ionic, covalent, metallic, and hydrogen bonds. The ionic and covalent...variety of molecules, the metallic and hydrogen bonds are highly specialized. The metallic bond is responsible for the crystalline...
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hydrogen bond
Book article from: A Dictionary of Ecology
hydrogen bond A bond between molecules in one of...producing a strongly polarized bond (e.g. O–H) that bonds weakly to another H (e.g...pairing . See also covalent bond , ionic bond, and metallic bond.
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ionic bond
Book article from: A Dictionary of Ecology
ionic bond( electrovalent bond ) A chemical bond in which electrons are transferred from one atom to other atoms and the atoms are held together by the resulting electrostatic attraction between them. See also covalent bond , hydrogen bond , and metallic bond .
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