A Novel Process for Fabrication of Globular Structure by Equal Channel Angular Pressing and Isothermal Treatment of Semisolid Metal

Abstract:

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A new process for fabrication of semisolid billets is introduced, which involves equal channel angular pressing and isothermal heating in the semisolid state. The process leads to a relatively fine globular microstructure. The microstructure evolution during isothermal treatment is studied and it is shown that dendrites breaking up has happened during equal channel angular pressing in semisolid state. The microstructural evolution during isothermal heating and the mechanism for the formation of the globular structure is tried to be understood and also modeled.

Info:

Periodical:

Solid State Phenomena (Volumes 141-143)

Edited by:

G. Hirt, A. Rassili, A. Bührig-Polaczek

Pages:

445-450

DOI:

10.4028/www.scientific.net/SSP.141-143.445

Citation:

H. Meidani et al., "A Novel Process for Fabrication of Globular Structure by Equal Channel Angular Pressing and Isothermal Treatment of Semisolid Metal", Solid State Phenomena, Vols. 141-143, pp. 445-450, 2008

Online since:

July 2008

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Price:

$35.00

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