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Projects/Programs

Displaying 26 - 50 of 257

Calibration Services: New Calibration Facility for X-Ray Air Kerma

Ongoing
The NIST x-ray calibration facility is composed of a suite of rooms that includes the 11 m by 7 m calibration range, a dedicated equipment room, connected by custom shielding ports for communication with the x-ray tubes in the radiation area, an operator control center with a viewing window and

CalNet

Ongoing
Electronics engineers use on-wafer calibration die to calibrate measurement equipment before characterizing or modeling semiconductor devices. While NIST pioneered on-wafer calibrations in the 1990’s, most industrial labs use commercial ‘Impedance Standard Substrates’ (ISS) that are manufactured by

Carbon Dioxide Measurements and Reference Materials

Ongoing
CO 2 Reference Materials The Gas Sensing Metrology Group at NIST has a long history of providing reference materials to industry, monitoring communities, and academia. The program began in the 1970’s by developing an initial suite of CO2 primary standard mixtures (PSMs) to support the US Department

CCQM Activities in the Gas Analysis Working Group

Ongoing
The results from these Key comparisons will be used to benchmark the appropriate Calibration and Measurement Claims (CMCs) of the participating NMIs. CMCs are basically the declared capabilities that an NMI offers to customers, and they are included in a searchable database at the BIPM web site

Certification of a Standard Reference Material for Cytomegalovirus (CMV)

Ongoing
The goal of this project is to provide a SI-traceable reference material for use by calibrant and reagent manufacturers in production of their own calibrants and standards. Clinical laboratories with in-house methods would be able to use the reference material for production of their own quality

Certification of Three Soil SRMs for Inorganic Environmental Measurements

Completed
The three NIST soil SRMs, 2709, 2710 and 2711, have been used worldwide by hundreds of laboratories; combined sales typically exceed 800 units per year. Use of these SRMs provides our customers with tools that are essential for achieving quality assurance in the analysis of contaminant elements in

RF Channel Propagation Measurements and Models for Communications Circuits

Ongoing
The research community has long identified the need for propagation measurements to develop and evaluate communication circuits. Since 2011, NIST has been to prototyping state-of-the-art channel sounders for measuring RF channel propagation. NIST current channel sounders include LIDAR and camera

Charpy Machine Verification Program

Ongoing
Impact testing is required for many critical applications in the construction, machinery and equipment, defense, and energy markets. Charpy testing provides data needed to ensure the quality and reliability of structural steel products. Over 1,000 machines per year are evaluated for conformance with

Chemical Metrology for Metals, Ores, and Related Materials

Ongoing
In the arena of industrial commodities, the primary challenges are to provide measurement tools and reference materials that allow U.S. industry to establish comparability of measurement results to results obtained by customers, competitors, and regulators for the basic chemical properties of

Chemical Metrology for Polymers Manufacturing

Ongoing
This project is designed to strengthen the analytical capabilities of polymers manufacturers by introducing reference materials, critically evaluating standard test methods, and educating those industry representatives who participate in standards development organizations. Certified reference

Climate Science

Ongoing
This program encompasses multifaceted efforts to advance the metrology of climate science. Projects include: development of ultra-high accuracy optical standards and technologies to determine greenhouse gases (GHGs) concentrations, atmospheric lifetimes, and aerosol radiative forcing development of

Clinical Measurements Quality Assurance Program

Ongoing
The National Institute of Standards and Technology (NIST) established the Clinical Measurements Quality Assurance Program (ClinQAP) to support the measurement needs of the clinical community. Participants measure concentrations of marker compounds, contaminants, metabolites in clinical samples (e.g

CODATA values of the fundamental physical constants

Ongoing
CODATA recommended values of the constants Database of references for data on the constants Publications: Reviews of Modern Physics ( 1998) ( 2002) ( 2006) ( 2010) ( 2014) Journal of Physical and Chemical Reference Data ( 1998) ( 2006) ( 2010) Resource Letter FC-1: The physics of fundamental

Combinatorial Approaches to Thin Film Nanomaterials

Completed
The behavior and performance of nanostructured materials and devices are governed by the chemistry and structure of their surfaces and interfaces. However, chemistry-structure-performance relationships in these systems are complex, so hundreds of experiments can be necessary to determine optimal

Continuing Support of Cement Manufacturing

Ongoing
NIST SRMs for Portland cement and related materials are the de facto world standards for validation of analytical methods for testing of cement for compliance with manufacturing specifications and for qualification of laboratories throughout the supply chain, including cement plants, construction

Coriolis Mass Flow Meters as Field Test Standards

Ongoing
Customers and businesses alike rely on metering systems to monitor and deliver their liquid-based commercial products (including a range of gas and fuels) consistently over time and across a range of locations. Weights and measures officials use several well-acknowledged field test standards to

Cruciform Multiaxial Mechanical Testing

Ongoing
A new ARRA funded cruciform test machine is being installed in the NIST Center for Automotive Lightweighting. Its capabilities include 500kN load per axis, two DIC strain mapping systems (one for large field mapping and one for zooming in to study localizations or features), a high resolution, high

Crystal Plasticity Modeling of Yield Surface Evolution

A robust multiaxial constitutive law is needed to predict stresses within parts formed from sheet metal to be able to compensate for such phenomena as elastic springback. Ideally, the constitutive law would not need to be "trained" using empirical mechanical property data alone, but would be able to

Data Science

Ongoing
Current MIG Data Science project activities DARPA D3M. NIST is supporting the DARPA D3M (Data-Driven Discoveries of Models) program as part of the Test and Evaluation (Government) Team. The D3M Program aims to allow automated systems with subject matter experts to model and solve complex machine