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Data for: Does aging alter the strain-rate response of PPTA body armor fibers? A paired single-filament investigation

Published by National Institute of Standards and Technology | National Institute of Standards and Technology | Catalog Last Checked: September 02, 2026 at 07:19 PM | Dataset Last Updated: July 10, 2026
This dataset supports the manuscript “Does aging alter the strain-rate response of PPTA body armor fibers? A paired single-filament investigation”. The study examined two related questions: whether the relationship between quasi-static (QS) and high strain rate (HSR) tensile properties of poly(p-phenylene terephthalamide) (PPTA) fibers is preserved during accelerated aging and whether QS-based tensile inputs remain reliable for predicting ballistic-performance degradation. Two commercially produced PPTA fibers, referred to as Aramid A and Aramid B, were aged for up to 531 days at 70 °C and 76 % relative humidity (RH). Failure stress and failure strain were measured at four nominally QS strain rates and at one HSR. This repository consists of raw and processed Favimat+ and NIST Mini-Kolsky Bar data for bulk and paired testing, and a script for statistical analysis of these data that reproduces the analyses found in the manuscript. In total, it consists of about 3 GB of data in 105 files (including documentation).

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
[
  "006:55"
]
contactPoint 
{
  "fn": "Alexander Landauer",
  "hasEmail": "mailto:alexander.landauer@nist.gov"
}
description This dataset supports the manuscript “Does aging alter the strain-rate response of PPTA body armor fibers? A paired single-filament investigation”. The study examined two related questions: whether the relationship between quasi-static (QS) and high strain rate (HSR) tensile properties of poly(p-phenylene terephthalamide) (PPTA) fibers is preserved during accelerated aging and whether QS-based tensile inputs remain reliable for predicting ballistic-performance degradation. Two commercially produced PPTA fibers, referred to as Aramid A and Aramid B, were aged for up to 531 days at 70 °C and 76 % relative humidity (RH). Failure stress and failure strain were measured at four nominally QS strain rates and at one HSR. This repository consists of raw and processed Favimat+ and NIST Mini-Kolsky Bar data for bulk and paired testing, and a script for statistical analysis of these data that reproduces the analyses found in the manuscript. In total, it consists of about 3 GB of data in 105 files (including documentation).
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identifier ark:/88434/mds2-4246
issued 2026-07-23
keyword 
[
  "Cunniff",
  "Kolsky bar",
  "PPTA",
  "Phoenix-Porwal",
  "accelerated aging",
  "high strain rate",
  "single-fiber tensile testing"
]
landingPage https://data.nist.gov/od/id/mds2-4246
language 
[
  "en"
]
license https://www.nist.gov/open/license
modified 2026-07-10 00:00:00
programCode 
[
  "006:045"
]
publisher 
{
  "name": "National Institute of Standards and Technology",
  "@type": "org:Organization"
}
theme 
[
  "Materials:Materials characterization",
  "Materials:Polymers",
  "Public Safety:Law enforcement"
]
title Data for: Does aging alter the strain-rate response of PPTA body armor fibers? A paired single-filament investigation

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