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A novel method for pulse shaping of Split Hopkinson tensile bar signals

Abstract:
Split Hopkinson bar (SHB) techniques are commonly used to experimentally characterise materials at high strain-rates. One important aspect of high-strain rate characterisation using SHBs is the necessity to tailor the input pulse to the needs of the material to be tested. Here, a new method to shape the input pulse, specifically developed for tensile SHBs (SHTB), is presented. The new method overcomes several challenges of existing designs, allows for a controlled adjustment of the pulse rising time, and significantly reduces wave dispersion effects. © 2011 Elsevier Ltd. All rights reserved.
Publication status:
Published

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Publisher copy:
10.1016/j.ijimpeng.2011.08.007

Authors

More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author


Journal:
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING More from this journal
Volume:
38
Issue:
12
Pages:
976-980
Publication date:
2011-12-01
DOI:
ISSN:
0734-743X


Language:
English
Keywords:
Pubs id:
pubs:220480
UUID:
uuid:15370b68-79f0-4f5e-bfbd-f20bb3fb3029
Local pid:
pubs:220480
Source identifiers:
220480
Deposit date:
2012-12-19
ARK identifier:

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