Engineering Mechanics

International Conference

Proceedings Vol. 20 (2014)


ENGINEERING MECHANICS 2014

20th INTERNATIONAL CONFERENCE
May 12 – 15, 2014, Svratka, Czech Republic
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Editors: Vladimír Fuis

Copyright © 2014 Brno University of Technology Institute of Solid Mechanics, Mechatronics and Biomechanics

ISBN 978-80-214-4871-1 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

STUDY OF EXTERNAL COOLING OF STEAM GENERATOR PGV-1000M COLLECTORS POCKET WELD № 111 FOR SUPPRESSING OF STRESS CORROSION CRACKING
Joch L., Krautschneider R.
pages 285 - 288, full text

The subject of this report is to assess different rates of cooling the bottom of the collector region, specifically the outer surface of the weld JS1200 (also known as weld 111) and the surrounding area. Based on the experience from Russia (OKB Gidropress) it is possible by external cooling of the outer surface of the weld area to reduce tensile stresses in the weld and in the outer radius of collectors pockets, or even change them into compressive stresses. The presence of tensile stresses in the outer radius of collectors pocket in combination with a corrosive environment in the collectors pocket support the possibility of crack initiation and propagation mechanism of stress corrosion cracking (SCC).


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Text and facts may be copied and used freely, but credit should be given to these Proceedings.

All papers were reviewed by members of the scientific committee.


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