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1900

Indentation and Hydride Orientation in Zr-2.5%Nb Pressure Tube Material

Abstract

In this study, indentations were made on Zr-2.5%Nb pressure tube material to induce multi-axial stress field. An I-shaped punch mark was indented on the Pressure tube material with predefined punch load. Later material was charged with 50 wppm of hydrogen. The samples near the punch mark were metallographically examined for hydrides orientation. It was observed that hydrides exhibited preferentially circumferential orientation far away from the indent to mixed orientation containing both circumferential and radial hydrides near the indent. This is probably as a result of stress field generated by indentation. Extent of radial hydride formation was observed to be varying with indentation load.

Countries: India
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/content/journal1970
2019-06-11
2024-03-28
http://instance.metastore.ingenta.com/content/journal1970
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