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Search Publications by: Gale A. Holmes (Fed)

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Displaying 101 - 125 of 250

High Speed Fiber Testing: The Single Fold Test

May 20, 2010
Author(s)
Haruki Kobayashi, Walter G. McDonough, Alexander J. Shapiro, Jae H. Kim, Stefan D. Leigh, Amanda L. Forster, Kirk D. Rice, Gale A. Holmes
The failure of a first responder s body armor has prompted research to assess the long-term durability and effectiveness of current and future soft body armor products. Prior work in this laboratory described a 10 % drop in tensile strength and 15 % drop

Adhesion research at the National Institute of Standards and Technology (NIST)

April 1, 2010
Author(s)
Christopher M. Stafford, Adam J. Nolte, Gale A. Holmes, Sheng Lin-Gibson, John A. Howarter
NIST s involvement in adhesion research has been wide ranging and is ultimately in response to interactions between individual project leaders and our industrial partners. In this way, NIST s participation in the Adhesion Society has been instrumental in

N-Pyrrolidine Functionalized C 60 -Fullerenes/Epoxy Nanocomposites

March 26, 2010
Author(s)
Mickey Richardson, Eun S. Park, Jaehyun Kim, Gale A. Holmes
A small series of functionalized C60-fullerene/epoxy nanocomposites were prepared, and their respective ultimate tensile strengths were determined. The functionalization route of the fullerenes was performed using the well-known Prato reaction, with

A METHODOLOGY FOR DETECTING RESIDUAL PHOSPHORIC ACID IN POLYBENZOXAZOLE FIBERS

November 24, 2009
Author(s)
Eun S. Park, John R. Sieber, Charles M. Guttman, Kirk D. Rice, Kathleen M. Flynn, Stephanie S. Watson, Gale A. Holmes
There is great interest in the degradation of ballistic fibers from exposure to sunlight and high humidity, because it directly affects the lives of people who use protective ballistic armor. However, to date, no mechanism has been found to explain how

Development of Soft Armor Conditioning Protocols for NIJ 0101.06: Analytical Results

September 24, 2009
Author(s)
Amanda L. Forster, Kirk D. Rice, Michael A. Riley, Guillaume Messin, Sylvain H. Petit, Cyril Clerici, Gale A. Holmes, Joannie W. Chin
This publication details the four major phases of analytical development work, coupled with several additional side studies, undertaken by the Office of Law Enforcement Standards in writing the Flexible Armor Conditioning Protocol in NIJ 0101.06. This

A Coherent Approach for Interrogating Polybenzoxazole Fibers for Residual Phosphoric Acid

September 17, 2009
Author(s)
Gale A. Holmes, Eun S. Park, Charles M. Guttman, Kathleen M. Flynn, John R. Sieber, Stephanie S. Watson, Kirk D. Rice
Because of the premature failure of soft-body armor that contains the active fiber poly [(benzo-[1,2-d:5,4-d']-benzoxazole-2,6-diyl)-1,4-phenylene] (PBO), the Office of Law Enforcement Standards (OLES) at the National Institute of Standards and Technology

The Effect of Environmental and Mechanical Mechanisms on the Performance of Soft Body Armor

July 27, 2009
Author(s)
Gale A. Holmes, Eun S. Park, Jae Hyun Kim, Walter G. McDonough, John R. Sieber, Haruki Kobayashi, Michael A. Riley, Kirk D. Rice
The use of high performance fibers (such as, poly[(benzo-[1,2-d;5,4-d ]-benzoxazole-2,6-diyl)-1,4-phenylene]1 (PBO), ultra-high molecular weight polyethylene2 (UHMWPE), and poly(p-phenylene terephthalamide)3 (PPTA)) in soft body armor (SBA) is well