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Materials

Projects/Programs

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Organizational Unit

To quantify the impact of mechanical degradation on ballistic fibers, NIST developed a novel device for controlled folding of yarns and woven fabrics. In addition, we developed test protocols that employ single fibers to assess the effect of folding using a recently developed modified single fiber...

Photonic Dosimetry

Ongoing

With this effort, NIST is responding to industry needs for traceable, measurement solutions that can resolve spatial variations of absorbed dose at the level of individual components on a silicon wafer or bacteria on surgical instruments. Presently, there is only limited traceability to national...

Polyelectrolyte Solutions and Gels

Ongoing

Polymer Advanced Manufacturing and Rheology

Ongoing

The manufacture of polymeric materials, whether from virgin or reclaimed sources, occurs under highly non-equilibrium conditions where temperature and stress fields evolve rapidly. The quality of the materials made from these processes depends not only on the composition of the starting material...

Polymer Analytics

Ongoing

This project focuses on a variety of activities to achieve the aforementioned goal of accelerating the discovery of new polymer physics. Enhanced machine learning Two major hurdles to applying machine learning to polymer science is a lack of large datasets and a need to understand the model...

Polymer Composites

Ongoing

Measurements of interphase properties are extremely challenging, and their effects on macroscopic properties and performance of composites are poorly quantified. The objectives of this project fall into the following four research thrusts: Fluorescence Based Probes to Sense Damage and Water in...

Polymer Formulations

Completed

Bringing new and optimized formulated products to market requires measurements that will allow rapid assessment of the structure and properties of multicomponent mixtures over large parameter spaces. To this end, we are developing microfluidic "lab on a chip" technologies that enable researchers to...

High Impact Ballistic Testing of Polymer Films

Polymer Mechanics

Ongoing

The mechanical behavior for polymers is very sensitive to the deformation rate of the impact test. Thus we are developing and applying several novel measurements that can study the mechanical response of the polymer at different deformation rates and at different material length scales. High-rate...

Schematic of selective transport of water, ions, or molecules across a polymer membrane.

Polymer Membranes

Ongoing

In Situ Sorption Measurements We develop and apply coupled techniques to probe chemical interactions during membrane operation: Quartz Crystal Microbalance (QCM) for mass uptake Polarization Modulation Infrared Reflection Absorption Spectroscopy (PM-IRRAS) for chemical speciation In-situ...

Polymer Property Predictor and Database

Ongoing

We aim to generate the data necessary for polymer informatics by developing information extraction pipelines to automatically extract polymer properties from the literature. We use natural language processing software (ChemDataExtractor) to extract both names of chemical entities and properties...

Polymers for Next-Generation Lithography

Completed

We work closely with the semiconductor industry to develop and apply measurements with high-spatial and chemically-specific resolution to elucidate the critical materials properties and process kinetics at nanometer scales that are needed to advance next-generation photolithography, including both...

Reliability of Fiber Reinforced Polymer (FRP) Composite Systems for Resilient Infrastructure

Ongoing

Objective This project aims to improve techniques currently used for risk evaluation (including uncertainty quantification) and mitigation (including FRP retrofit) of structural systems and integrate them within the PBEE framework. The first phase of the project is focused on development and...

Renewable Polymers

Completed

In this project, use innovative measurements to optimize existing materials synthesis and discover new routes to polymers from renewable feedstocks by providing characterization methods that can describe the mechanisms and of enzymatic catalysis of polymers from renewable feedstocks and synthetic...

Structure-Property Relationships for High-Strength Materials

Ongoing

The body-armor community generally bases armor design on empirical models that do not directly relate molecular properties to performance. Aramid, aramid copolymers, and polyethylene fibers are highly oriented, anisotropic fibers that require specialized characterization techniques. In addition...

Sub-nanoscale electron microscopy of complex nanostructures

Ongoing

The properties of advance materials are becoming ever more reliant on the ability to manipulate their chemistry and structure at very fine length scales. For example, the relevant feature sizes in state-of-the-art transistors continue to decrease, even as the complexity of the architectures employed...

Synchrotron Resonant Scattering and Diffraction

Ongoing

The Resonant Scattering and Diffraction effort seeks to develop measurements that provide spatial correlations in chemical, electronic, and physical structure in advanced materials. Scattering technology is developed as part of the NIST BNL partnership at the National Synchrotron Light Source II in...

Synchrotron X-ray Absorbance Spectroscopy

Ongoing

The Absorbance Spectroscopy effort seeks to develop measurements that provide details of the local chemical, electronic, and physical structure in advanced materials. Spectrometer technology is developed as part of the NIST BNL partnership at the National Synchrotron Light Source II in Upton, NY...

Synchrotron X-ray Spectroscopic Imaging

Ongoing

Building off technologies and expertise developed in the Synchrotron X-ray Absorption Spectroscopy project, the Spectroscopic Imaging effort seeks to develop measurements that provide spatial mapping of the local chemical, electronic, and physical structure in advanced materials. Technology is...

Tissue Engineering

Ongoing

Tissue Engineering Measurands: Tissue engineering measurands are confusing to discuss and a charting method to improve communication is demonstrated. Measurement Assurance Strategies for Regenerative Medicine: Reliable methods for assessing product consistency and quality. Regenerative Medicine...

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