Ductile Fracture Prediction of Steam Pipeline Steel

Abstract:

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Considering the conditions to which steels used for the manufacture of steam pipelines are exposed, the micromechanism of their destruction in exploitation is exclusively the ductile one. In order to make an estimation of the level of the damage that occurs in exploitation, in this paper a combined experimental and numerical procedure has been developed based on micromechanical or local approach to the fracture mechanics of metallic materials. After the analysis of the results obtained for micromechanical criterion of failure for virgin steel and that used in the steam pipeline, a proposal for prolongation of the working life of tested steel for steam pipelines until the next overhaul is given.

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Periodical:

Edited by:

Dragan P. Uskokovic, Slobodan K. Milonjic and Dejan I. Rakovic

Pages:

537-542

DOI:

10.4028/www.scientific.net/MSF.518.537

Citation:

M. Zrilić et al., "Ductile Fracture Prediction of Steam Pipeline Steel", Materials Science Forum, Vol. 518, pp. 537-542, 2006

Online since:

July 2006

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$35.00

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