Flow metrology & rheology

News and Updates

Assessing the Next-Generation Backing Materials for Body Armor Testing

March 28, 2019

A framework of rheological techniques was developed to evaluate a candidate ballistic witness material developed by the...

Helping the Microchip Industry Go (Very Low) with the Flow

August 22, 2018

A new study by scientists at the National Institute of Standards and Technology (NIST) has uncovered a source of error...

Neutrons by the Numbers

May 21, 2018

After years of research, scientists at the National Institute of Standards and Technology (NIST) have developed and...

Making Smokestack Emissions Tests Better, Faster, Cheaper

February 27, 2018

Smokestacks at coal-fired power plants have sensors that continuously monitor their emissions by measuring the flow of...

Publications

NISTIR 7383, Selected Procedures for Volumetric Calibrations (2019 Ed)

May 14, 2019

Author(s):

Georgia L. Harris, Val R. Miller

This publication contains Good Measurement Procedures (GMP), Good Laboratory Procedures (GLP), and Standard Operating Procedures (SOP) for use in calibration...

Rheological Characterization of Next-Generation Ballistic Witness Materials for Body Armor Testing

March 14, 2019

Author(s):

Ran Tao, Kirk D. Rice, Aaron M. Forster, Randy A. Mrozek, Shawn T. Cole, Reygan M. Freeney, Anicet Djakeu Samen

Roma Plastilina No. 1 (RP1), a ballistic clay, is essential for establishing injury limits in standards-based ballistic resistance testing of body armor. It...

Analysis and Theory of an Optofluidic Flowmeter

March 11, 2019

Author(s):

Paul N. Patrone, Gregory A. Cooksey, Anthony J. Kearsley

Viscosity Measurements of Three Base Oils and One Fully Formulated Lubricant and New Viscosity Correlations for the Calibration Liquid Squalane

February 13, 2019

Author(s):

Arno D. Laesecke, Clemens Junker, Damian S. Lauria

The viscosities of three pentaerythritol tetraalkanoate ester base oils and one fully formulated lubricant were measured with an oscillating piston viscometer...

Projects & Programs

Precursor Material Qualification

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While...

Material Qualification

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While...

AM Machine and Process Qualification

Machines and processes used to produce critical components for defense, aerospace, and medical applications must first be formally qualified. While...