Published 1979 | Version v1
Report Restricted

Annual report AB 5: Material investigations in the HHT project. Status: 12/1978. Reporting period: 01.01.78-31.12.78

Creators

Description

Automatic translation: Creep tests on HGK materials (LBS no. 5.1.1-21): One possible implementation of the hot gas duct insulation is seen in a construction in which ceramic fiber mats are covered by so-called cover plates. These cover plates are attached via centrally arranged bolts attached to the outer gas duct. Cover plates and Fastening bolts are subject to the restoring forces the fiber mats as well as the necessary pretensioning of the screw connection of a creep load. In addition, a not negligible alternating stress as a result of high gas flow rate. The use of the component is planned for the lifetime of the reactor.

Abstract (German)

Zeitstandversuche an HGK-Werkstoffen (LBS-Nr. 5.1.1-21): Eine mögliche Ausführung der Heißgaskanalisolierung wird in einer Konstruktion gesehen, bei der keramische Fasermatten durch sogenannte cover plates abgedeckt werden. Diese cover plates werden über zentral angeordnete Bolzen am äußeren Gasführungsmantel befestigt. Cover plates und Befestigungsbolzen unterliegen in Folge der Rückstellkräfte der Fasermatten sowie der notwendigen Vorspannung der Schraubverbindung einer Zeitstandbelastung. Zusätzlich tritt eine nicht vernachlässigbare Wechselbeanspruchung in Folge der hohen Gasströmungsgeschwindigkeit auf. Der Einsatz der Komponente ist für die Reaktorlebensdauer geplant.

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Additional details

Additional titles

Original title (German)
Jahresabschlußbericht AB 5: Werkstoffuntersuchungen im HHT-Projekt. Stand: 12/1978. Berichtszeitraum: 01.01.78-31.12.78

Publishing Information

Imprint Pagination
30 p.
Report number
HRB-NJ--0012

INIS

Country of Publication
Germany
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
52056911
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Descriptors DEI
CERAMICS; FEDERAL REPUBLIC OF GERMANY; FLOW RATE; FORSCHUNGSZENTRUM JUELICH; GAS FLOW; HTGR TYPE REACTORS; NUCLEAR POWER PLANTS
Descriptors DEC
DEVELOPED COUNTRIES; EUROPE; FLUID FLOW; GAS COOLED REACTORS; GERMAN FR ORGANIZATIONS; GRAPHITE MODERATED REACTORS; NATIONAL ORGANIZATIONS; NUCLEAR FACILITIES; POWER PLANTS; REACTORS; THERMAL POWER PLANTS; WESTERN EUROPE

Optional Information

Notes
Document from Juelich Preservation Project; 2 figs., 5 tabs.