CUED Publications database

Revisiting Kolsky bar data evaluation method

Naik, NK and Pandya, KS and Pothnis, JR and Gelu, TA (2014) Revisiting Kolsky bar data evaluation method. Composite Structures, 111. pp. 446-452. ISSN 0263-8223

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Abstract

Conventional Kolsky bar data evaluation method is based on the assumption of stress equilibrium within the specimen during testing. When the objective is to generate stress-strain diagrams up to failure, damage initiation and evolution within the specimen should be taken into account. In that case, stress wave attenuation would take place and the assumption of stress equilibrium would not be valid. In this study, the data evaluation method is revisited and analytical expressions considering possible damage are presented. The revisited method gives higher specimen strain rate and strain compared with the conventional method. Both methods give the same specimen stress. © 2014 Elsevier Ltd.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div C > Materials Engineering
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:32
Last Modified: 03 Aug 2017 03:06
DOI: