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Materials

Projects/Programs

Keyword

Organizational Unit

Nanoparticle Assembly in Complex Fluids

Completed

Engineered nanomaterials are promising for technological and medical purposes. However, molecular mechanisms of toxicology are less known. This presents a problem and barrier for future innovation and applications as new nanomaterials are developed for healthcare where particles are intentionally

Nanoscale Property Measurements by Atomic Force Microscopy

Ongoing

Over the past several decades, Atomic Force Microscopy (AFM) has advanced from a technique used primarily for surface topography imaging to one capable of characterizing a range of chemical, mechanical, electrical, and magnetic material properties with nanometer resolution. Such characterizations

Nanoscale Spectroscopy for Advanced Electronics, Quantum Materials and Devices

Ongoing

Semiconductor technologies are critical to U.S. economic and national security as they are essential to modern life in communications, healthcare, energy, etc. and also underpin many emerging technologies like quantum, artificial intelligence, high power electronics and advanced wireless (6G+). The

Nanotube Metrology

Completed

Single-wall carbon nanotubes (SWCNTs) are a tubular form of carbon consisting of a single shell of sp2 bonded carbon with a nanometer scale diameter that have many predicted properties superior to other available materials. However, every production technique for SWCNTs produces many different

Carbon Nanotubes imaged via Focused Ion Beam Scanning Electron Microscope.

Nanotube Quality Control

Completed

Thermogravimetric analysis (TGA) is widely used to gather data on nanotube chemistry. By monitoring weight loss as a function of temperature, one can determine decomposition kinetics and use this data to closely approximate the distribution of impurities present in a few milligrams of material

NCAL: Diffraction Stress Measurement Under Applied Load

Ongoing

Using X-ray diffraction (XRD) techniques one can measure the full stress tensor just inside the surface of a sheet metal specimen under applied loading. This permits the measurement of biaxial stress states resulting from directly applied deformation (see NCAL: Multiaxial Material Performance) or

NCAL: Intermediate Strain Rate Testing

Ongoing

This project seeks to improve servohydraulic testing methods at intermediate strain rates by addressing the well-known problems associated with excessive stress oscillations (ringing) that currently limit our understanding of the mechanical behavior of engineering materials for loading conditions

NCAL: International Documentary Standards Activities

Ongoing

NIST Center for Automotive Lightweighting (NCAL) staff participate in many different international standards committees (e.g. ISO TC 164, ASTM E28 and D30); however, our main focus has been in the mechanical testing of metals and, to a lesser extent, composites. We work on the calibration and

NCAL: Materials Testing 2.0

Ongoing

The traditional approach to calibrating material models, known as Materials Testing 1.0, is a time-consuming and costly process that requires multiple experiments to be performed on different types of testing equipment. This not only results in high capital costs for testing machines but also leads

2 meter diameter horizontal mechanical test machine with control computers

NCAL: Multiaxial Material Performance

Ongoing

Modern metal forming methods are designed and optimized using digital models of specific manufacturing operations. These models rely on a precise understanding of the mechanical behavior of sheet materials as they undergo multiaxial loading out to large plastic strains without failure (necking or

NCAL: NIST Center for Automotive Lightweighting

Ongoing

The ongoing development of new, advanced lightweight materials presents opportunities for the USA automotive industry to produce better, more reliable and less expensive products provided the new materials can be efficiently manufactured. The use of lightweight materials in automobiles, such as

NCAL: Plasticity Modeling

Ongoing

Tension compresion fixturing with upper and lower loadcells and grips and lateral anti-buckling guides with pneumatic actuators

NCAL: Tension-Compression Testing

Ongoing

The inability to predict the mechanical behavior of new automotive alloys during forming has generated strong demand in industry for more advanced material models and test methods necessary to calibrate them. Industry is particularly interested in modeling the behavior of advanced sheet metals

NIST Combinatorial Methods Center (NCMC)

Completed

Established in 2002, the NCMC combines pioneering research and customer engagement to foster wide-spread adaptation of combinatorial and high-throughput methodologies. NCMC research addresses key challenges faced by polymer researchers who want to employ combi. In particular, the NCMC creates new

NIST Materials Resource Registry

Ongoing

The MRR is a comprehensive inventory of high-level data collections, repositories, databases, tools, software, and services useful to materials research and design but located anywhere in the world. Its specialization for Materials Science is in the domain-specific metadata and vocabulary it can

Evolution of Flat-histogram Monte Carlo Simulation

NIST Standard Reference Simulation Website

Ongoing

Molecular simulations, in particular Monte Carlo Molecular Simulation and Molecular Dynamics Simulation, are methods for computing the properties of some kind of system, for which the intermolecular interactions are specified via mathematical relationships derived from statistical mechanics. Since

Non-Destructive Semiconductor Structure Function and Process Optimization for future Microelectronics Manufacturing at the NIST NSLS-II Beamline for XAFS and Diffraction

Ongoing

This project relies on the existing NIST Synchrotron beamline for X-ray diffraction (XRD), and X-ray absorption spectroscopy (XAS) to improve measurement capabilities. The proposed equipment enhancements will substantially increase sample throughput and sensitivity. Driving the ability to probe

OOF

Ongoing

The OOF project is a software development project designed to make advanced computational modeling capabilities available to materials science researchers who are not themselves computational experts. Researchers bring domain expertise from materials science to assist in building high-quality finite

Open Port Liquid Interface Mass Spectrometry

Ongoing

Rapid screening for chemical traces of explosives and narcotics is widely used to support homeland security and law enforcement. These target compounds span a range of physicochemical properties from organic to inorganic, with preferential ionization pathways in both negative and positive mode

OpenCALPHAD

Ongoing

Thermodynamic data are essential for the understanding, developing, and processing of materials. The CALPHAD technique has made it possible to calculate properties of multicomponent systems using databases of thermodynamic descriptions with models that were assessed from experimental data. The OC

Optical and Optoelectronic Materials Characterization

Ongoing

Today's electronics have reached a point where sheer computation power has combined form and function as the key driver of large consumer markets. The demand for portable and pervasive electronics with greater functionality promises significant changes over the next decades in how society interacts

Optical Probes of 2D Magnetic Phenomena

Ongoing

The unique measurement capabilities developed in this Project enable diffraction-limited, optical spectra (both Raman and photoluminescence) to be collected and analyzed as a function of laser energy, polarization, temperature, magnetic field, and device parameters such as current load and back

Optimization of Current and Next Generation Trace Contraband Detection Systems

Ongoing

Ion Mobility Spectrometry (IMS) is widely used for national security and law enforcement, placed at key security checkpoints such as airports and border crossings for the trace detection of drugs and explosives. Its simplicity, ease of operation, portability, and rapid analytical performance

Particles, Tubes, and Colloids

Ongoing

Description A highlight of the PTC project is our success in purification of well-defined SWCNT populations using liquid phase separation methods. Although we use multiple techniques and methods, ion exchange chromatography, rate-zonal and isopycnic ultracentrifugation, size exclusion chromatography

Experimental setup for quantification of Butt welds performance at elevated temperatures.

Performance-based Design for Structures in Fire - Modeling and Validation

Ongoing

This project develops validated computational tools and technical guidance to support performance-based standards for cost-effective fire resistance design and assessment of structures.

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