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You searched on: Author: nathanael heckert

Displaying records 11 to 20 of 50 records.
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11. Analyzing a Co-Polymer Aramid Fiber for Use in Soft Body Armor
Published: 10/25/2013
Authors: Walter G McDonough, Jae Hyun Kim, Nathanael A Heckert, Amanda Lattam Forster, Scott A Wight, Joy P Dunkers, Gale Antrus Holmes
Abstract: Since the well-publicized failure of body armor used by a police officer, it has become imperative that the long-term properties and performance of new fibers being considered for use be understood. The range of interest is from the molecular proper ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914414

12. Single PPTA fiber tensile properties from quasi-static and high strain rate tests
Published: 10/23/2013
Authors: Jae Hyun Kim, Nathanael A Heckert, Steven P Mates, Walter G McDonough, Kirk D Rice, Gale Antrus Holmes
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914410

13. Determination of Interfacial Shear Strength in Epoxy/Glass Composites by Multi-Fiber Fragmentation Test (MFFT)
Published: 8/2/2013
Authors: Edward D. McCarthy, Jae Hyun Kim, Nathanael A Heckert, Stefan D Leigh, Gale Antrus Holmes, Jeffrey W Gilman
Abstract: The mechanical strength of a structural composite is strongly affected by the strength and toughness of the interface achieved between the continuous matrix phase, or resin, and the re-inforcing phase, normally consisting of multiple arrays of carbon ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913848

14. Determination of Interfacial Shear Strength in Epoxy/Glass Composites by Multi-Fiber Fragmentation Test (MFFT)
Published: 8/2/2013
Authors: Edward D. McCarthy, Jae Hyun Kim, Nathanael A Heckert, Stefan D Leigh, Gale Antrus Holmes, Jeffrey W Gilman
Abstract: The mechanical strength of a structural composite is strongly affected by the strength and toughness of the interface achieved between the continuous matrix phase, or resin, and the re-inforcing phase, normally consisting of multiple arrays of carbon ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913113

15. STRAIN RATE EFFECT ON SINGLE PPTA FIBER TENSILE BEHAVIOURS
Published: 8/2/2013
Authors: Jae Hyun Kim, Nathanael A Heckert, Stefan D Leigh, Walter G McDonough, Kirk D Rice, Gale Antrus Holmes
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912910

16. Statistical Analysis of Single PPTA Fibers
Published: 8/2/2013
Author: Nathanael A Heckert
Abstract: Discuss statistical methods used for analysis of single fiber tensile strength tests. Kernel density plots and quantile-quantile plots were used to graphically analyze the data. Fiber strength was modeled using 2-parameter Weibull, 3-parameter Weibu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914002

17. Statistical Analysis of Single PPTA Fibers
Published: 7/28/2013
Authors: Nathanael A Heckert, Jae Hyun Kim, Kirk D Rice, Gale Antrus Holmes
Abstract: Discuss statistical methods used for analysis of single fiber tensile strength tests. Kernel density plots and quantile-quantile plots were used to graphically analyze the data. Fiber strength was modeled using 2-parameter Weibull, 3-parameter Weib ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912996

18. Strain rate effect on single PPTA fiber tensile behaviour
Published: 7/28/2013
Authors: Jae Hyun Kim, Nathanael A Heckert, Stefan D Leigh, Walter G McDonough, Kirk D Rice, Gale Antrus Holmes
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913925

19. Single fiber tensile properties measured by the Kolsky bar using Direct fiber clamping method
Published: 6/1/2013
Authors: Jae Hyun Kim, Nathanael A Heckert, Walter G McDonough, Kirk D Rice, Gale Antrus Holmes
Abstract: The Kolsky bar test has been widely used in measuring material behavior under high strain rate conditions. In particular, polymers used in ballistic applications have been characterized by this method to investigate high strain rate behaviors during ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913434

20. Single fiber tensile properties measured by the Kolsky bar using a direct fiber clamping method
Published: 6/1/2013
Authors: Jae Hyun Kim, Nathanael A Heckert, Walter G McDonough, Kirk D Rice, Gale Antrus Holmes
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914325



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