Specimen size and shape effect in split Hopkinson pressure bar testing-Reference-Cited by-同舟云学术

Specimen size and shape effect in split Hopkinson pressure bar testing

Published:2009-09-08 Issue:8 Volume:44 Page:689-698
ISSN:0309-3247
Container-title:The Journal of Strain Analysis for Engineering Design
language:en
Short-container-title:The Journal of Strain Analysis for Engineering Design

Author:

Pankow M¹,Attard C¹,Waas A M¹

Affiliation:

1. Composite Structures Laboratory, Department of Aerospace Engineering, University of Michigan, Ann Arbor, Michigan, USA

Abstract

The results from an experimental and computational study on the effects of specimen size and shape on split Hopkinson pressure bar (SHPB) testing are presented. The effects of the L/ D ratio (length L divided by diameter D) along with specimen shape (cylindrical versus square prismatic) were investigated. Even though specimens having a circular cylindrical cross-section are traditionally used in SHPB testing, a square cross-section specimen has advantages associated with in situ imaging of the specimen side surfaces during stress wave propagation. The results presented here show a strong correlation in specimen response between the two types of specimens. Different ranges of L/ D ratios are recommended for obtaining stiffness and strength data at near constant strain rates.

Publisher

SAGE Publications

Subject

Applied Mathematics,Mechanical Engineering,Mechanics of Materials,Modelling and Simulation

Link

http://journals.sagepub.com/doi/pdf/10.1243/03093247JSA538

Reference23 articles.

1. Hopkinson bar experimental technique: A critical review

2. Dynamic Behavior of Materials

3. Dynamic stress equilibration in split Hopkinson pressure bar tests on soft materials

4. Dynamic Compression Testing of Soft Materials

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