Carbon Materials for Advanced Technologies Part 14 pdf

... cladding. Therefore, considerable effort was expended in selecting appropriate materials for the PIPPA design. The moderator graphite, Pile Grade A (PGA), was manufactured from a particularly ... the carbon atoms recoil through the graphite lattice displacing other carbon atoms and leaving vacant lattice sites. However, not all of the carbon atoms remain displaced. The displa...

Ngày tải lên: 10/08/2014, 11:21

... Introduction 1 2 Crystalline Forms of Carbon 3 3 The Phase and Transition Diagram for Carbon 12 4 CarbonFilms 14 5 Carbon Nanoparticles 18 6 Engineering Carbons 20 7 ConcludingRemarks ... molecule is named. In the C, molecule each carbon atom is bonded to three Carbon Materials for Advanced Technologies vi 4 High Performance Carbon F...

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... lighter weight carbon canister to be packaged on the vehicle. 5.1.2 Carbon particle size The second carbon characteristic affecting performance of carbon canisters is the carbon particle size. ... activated carbon bed has adsorbed about 65 grams of HC. 234 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. feedstocks. Paper presented at Car...

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... [140 ]; Var-IR measurements in Ref. [141 ]; hFar-IR measurements in Ref. [142 ]; %Ref [125]; jRef. [143 ]; kReE [144 ]; 'Ref. [145 ]; "Ref. [146 ]; nRef. [147 ]; ORef. [148 ]; ... K3C60 thin film [116]. For three 60 35 - 30 - 25 - h 25 20- h" 15 - 13.9 14. 1 14. 3 14. 5 14. 7 Lattice constant a (A) Fig. 13. Dependence of...

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... B48,8412(1993). 98 7 carbon materials i active carbons active carbon fibers Fig. 1. Venn diagram illustrating where active carbon fibers lie in the classification of carbon materials. 2.2 ... activated carbon fibres, Carbon, 1997, 35(2), 291 297. Cook, T. L., Komodromos, C., Quinn, D. F. and Ragan, S., Adsorbent storage for natural gas vehicles. In Ca...

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... commercial carbon fibers (adapted from W1). 6 Current Areas for High Performance Carbon Fiber Research Much of the current interest surrounding high performance carbon surrounds their potential for ... crystallinity during carbonization, in contrast to current carbon fibers produced from PAN. 3.1 Mesophase Formation The mesophase pitches used for high-modulus carbon f...

Ngày tải lên: 10/08/2014, 11:21

... (ORNL) for an aerospace application. Porous, carbon fiber -carbon binder composite materials are a class of carbon composites that are not widely recognized. Unlike dense, structural carbon- carbon ... density, carbon fiber -carbon binder composites are reviewed. 2 Manufacture 2. I Raw materials Low density, carbon fiber -carbon binder composites are fabricated fro...

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... pitches for binders and feedstocks for cokes [12]. Indeed, the majority of organic chermcals and carbonaceous materials prior to World War I1 were based on coal technologies. Unfortunately, ... fabricahon of coke, carbon, and artlficial graphite [ 11. These same feedstocks also have the potential for use in producing " ;advanced& quot; carbon products such as carbon...

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... All commercial carbons have been made for uses other than natural gas storage. They are for the most part granular materials and pack into vessels with a substantial inter-particle void volume ... which is necessary for 170 VIV storage. Table 2. Fractional Volume Composihon of Carbon Particle for some Commercial Carbons Hg Porosimetry Fractional Volume of Carbon...

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... hydrocarbons. Hence, the C5 plus hydrocarbons would be adsorbed in preference to the C2-C4 hydrocarbons and would displace them over a number of cycles. It is apparent therefore that ... range of suitable materials available and the ability to engineer them for a particular application. The number of liquid absorbent - refrigerant pairs that give reasonable performance is...

Ngày tải lên: 10/08/2014, 11:21