Published April 1972 | Version v1
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A Method for Local Determination of Young's Modulus of Pyrocarbon

Creators

Description

Pyrocarbon is a material of high elasticity. Application of the usual microhardness measuring technique fails to produce any indentation owing to complete elastic relaxation of the material whenever the load is removed. Microhardness measurements can successfully be used for to characterizing pyrocarbon by its elastic properties however, provided the sample was coated with a thin film film of material of good plasticity. One has to prove that, while producing measurable representative indentations, the coating does not influence the results of the measurements in an unknown manner. Vapour deposited copper was found a suitable material easy to handle for this purpose.

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Additional details

Publishing Information

Imprint Pagination
15 p.
Report number
KFA-IRW-IB--13-72

INIS

Country of Publication
Germany
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
55065698
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Descriptors DEI
COATINGS; FEDERAL REPUBLIC OF GERMANY; FORSCHUNGSZENTRUM JUELICH; HTGR TYPE REACTORS; MICROHARDNESS; PYROLYTIC CARBON; RELAXATION; THIN FILMS
Descriptors DEC
CARBON; DEVELOPED COUNTRIES; ELEMENTS; EUROPE; FILMS; GAS COOLED REACTORS; GERMAN FR ORGANIZATIONS; GRAPHITE MODERATED REACTORS; HARDNESS; MECHANICAL PROPERTIES; NATIONAL ORGANIZATIONS; NONMETALS; REACTORS; WESTERN EUROPE

Optional Information

Notes
Document from Juelich Preservation Project; 3 refs., 8 figs.