New PDF release: Transport Processes in Ion-Irradiated Polymers

By Dietmar Fink

ISBN-10: 3642058949

ISBN-13: 9783642058943

ISBN-10: 3662106086

ISBN-13: 9783662106082

Presented in elements, this primary accomplished evaluation addresses all facets of lively ion irradiation of polymers. prior courses and evaluation articles targeting chosen themes purely. And the necessity for the sort of paintings has grown with the dramatic elevate of analysis and functions, equivalent to in photoresists, waveguides, and clinical dosimetry, over the last decade.

The first half, "Fundamentals of Ion-Irradiated Polymers", covers the actual, chemical and instrumental basics; treats the explicit irradiation mechanisms of low- and high-energy ions (including similarities and differences); and info the possibility of destiny technological software. all of the new findings are conscientiously analyzed and awarded in a scientific manner, whereas open questions are identified.

The moment quantity, "Transport strategies in Ion-Irradiated Polymers", bargains with delivery tactics in either unirradiated and irradiated polymers. As either a assessment and a stimulus, this paintings seeks to give a contribution considerably to the literature and development of polymeric units, from either the low- and high-energy regimes.

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Additional resources for Transport Processes in Ion-Irradiated Polymers

Sample text

A catalytic process or a heterogeneous precipitation. For reactions of m-th order, r 8 = kCm, with k being the rate constant. 45) with experimentally determined depth distributions of matter deposited in tracks, one can derive the penetrant's diffusion coefficient within the tracks. , a track) is sufficiently large, capillarictransport mechanisms will dominate the penetration of liquids. For liquid motion in capillaries, the Rayleigh number becomes very small due to its proportionality with the fourth power of the radius, which signifies that convection does not play any role in this case.

Eventually, this process also influences metal diffusion in polymers insofar as the filling of voids with metals would reduce the surface energy of the voids. , as interconnections in electronic packages. Therefore, the interfacial characteristics, especially the diffusion of metals into polymers are of importance for the conservation of the properties of such structures under adverse conditions. On the other hand, the processes of diffusion and clustering of metals on polymers are of fundamental interest since they may lead to the creation of new materials.

An interpretation of gaseous diffusion though polymers. J Polym Sci A1, 3459-3487 {1963) 13. Calcagno L, Percolla R, Foti G, Interdiffusion in polystyrene crosslinked by ion irradiation. Nucl Instrum Methods B91, 426-430 {1994) 14. Vrentas JS, Duda JL, Ling HC, Free-volume theories for self-diffusion in polymer-solvent systems. I. Conceptual differences in theories. J Appl Polym Sci Polym Phys 23, 275-288 {1985) 15. Russel TP, Concerning voids in polyimide. Polym Eng Sci 24, 345-349 {1984) 16. Kie T, Tiefenverteilung und Ausheizverhalten von implantierten 6Li-Atomen in verschiedenen Metallen.

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Transport Processes in Ion-Irradiated Polymers by Dietmar Fink

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