Experimental evaluation of low-pass shock isolation performance of elastomers using frequency-based Kolsky bar analyses

Knight, Marlene E.; Sanborn, Brett; Song, Bo; Nishida, Erik

doi:10.1590/1679-78253268

Experimental evaluation of low-pass shock isolation performance of elastomers using frequency-based Kolsky bar analyses

Journal Article · Wed Jan 25 23:00:00 EST 2017 · Latin American Journal of Solids and Structures

DOI:https://doi.org/10.1590/1679-78253268· OSTI ID:1247660

Knight, Marlene E. ^[1]; Sanborn, Brett ^[1]; Song, Bo ^[1]; Nishida, Erik ^[1]

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Elastomeric materials are used as shock isolation materials in a variety of environments to dampen vibrations and/or absorb energy from external impact to minimize energy transfer between two objects or bodies. Some applications require the shock isolation materials to behave as a low-pass mechanical filter to mitigate the shock/impact at high frequencies but transmit the energy at low frequencies with minimal attenuation. To fulfill this requirement, a shock isolation material needs to be carefully evaluated and selected with proper experimental design, procedures, and analyses. In this study, a Kolsky bar was modified with precompression (up to 15.5 kN) and confinement capabilities to evaluate low-pass shock isolation performance in terms of acceleration attenuation through a variety of elastomers. Also investigated were the effects of preload and specimen geometry on the low-pass shock isolation response.

View Accepted Manuscript (DOE)

Research Organization:: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC04-94AL85000

OSTI ID:: 1247660

Alternate ID(s):: OSTI ID: 1360801

Report Number(s):: SAND--2016-0242J; 618368

Journal Information:: Latin American Journal of Solids and Structures, Journal Name: Latin American Journal of Solids and Structures Journal Issue: 3 Vol. 14; ISSN 1679-7817

Publisher:: SciELOCopyright Statement

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
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Experimental Evaluation of Low-Pass Shock Isolation Performance of Elastomers Using Frequency-Based Kolsky Bar Analyses Sanborn, Brett; Song, Bo; Nishida, Erik https://doi.org/10.6084/m9.figshare.14325198 The current record is supplemented by this dataset	dataset	January 2021
Experimental Evaluation of Low-Pass Shock Isolation Performance of Elastomers Using Frequency-Based Kolsky Bar Analyses Sanborn, Brett; Song, Bo; Nishida, Erik https://doi.org/10.6084/m9.figshare.14325198.v1 The current record is supplemented by this dataset	dataset	January 2021

Experimental evaluation of low-pass shock isolation performance of elastomers using frequency-based Kolsky bar analyses

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