Metals

News and Updates

Detecting mid-infrared light, one photon at a time

June 1, 2021

For some 30 years, scientists have used superconducting materials to record the tiniest specks of light imaginable — individual photons, or single particles of

New Research Could Help Manufacturers Avoid 3D-Printing Pitfall

May 19, 2021

A research team has found that a method commonly used to skirt one of metal 3D printing’s biggest problems may be far from a silver bullet. For manufacturers

Gray ovals on blue background are linked to curved gray lines.

NIST Team Directs and Measures Quantum Drum Duet

May 6, 2021

Like conductors of a spooky symphony, researchers at the National Institute of Standards and Technology (NIST) have “entangled” two small mechanical drums and

Projects and Programs

Developing a Materials Innovation Infrastructure

Develop a materials innovation infrastructure for the design and discovery of inorganic materials to reduce the time and cost for deploying new materials into

Integrated Density Functional Theory (DFT) Data and Tools

Using atomistic-level calculations (density functional theory and classical molecular dynamics), this project aims at increasing our knowledge of electronic and

A current (white arrow) flowing through a tantalum film generates a current of spins (dark blue arrows) that impinges on the ferromagnetic cobalt iron boron layer and causes the magnetization (gold arrow) to charge directions (light blue arrow).

Theory of Spin-Orbit Torque

The working of countless electronic devices involves electric and magnetic effects interacting within nanostructured materials. In the phenomenon known as spin

Interatomic Potential Data and Simulations

This project provides resources to address some of the challenges to the wider use of classical atomistic simulations (e.g. molecular dynamics and Monte-Carlo)

Publications

An assessment of different approaches for measuring crack sizes in fatigue and fracture mechanics specimens

October 8, 2021

Author(s)

Enrico Lucon

Several fatigue and fracture mechanics test standards prescribe the use of fatigue precracked specimens, and measured initial and final crack sizes are required

The effect of internal defects on tensile tests of additively manufactured metal samples: In-situ tensile testing during X-ray computed tomography

October 5, 2021

Author(s)

Felix Kim, Shawn P. Moylan, Thien Q. Phan, Edward Garboczi

Tensile mechanical tests were carried out simultaneously with high-resolution X-ray computed tomography (XCT) measurements on 17-4 stainless steel tensile dog

Solid-State Transformation of an Additive Manufactured Inconel 625 Alloy at 700 °C

September 23, 2021

Author(s)

Fan Zhang, Jan Ilavsky, Greta Lindwall, Mark R. Stoudt, Lyle E. Levine, Andrew J. Allen

Inconel 625, a nickel-based superalloy, has drawn much attention in the emerging field of additive manufacturing (AM) because of its excellent weldability and

Assessing the Quality of As-Received 4340 Steel for the Production of NIST Charpy Reference Specimens

September 15, 2021

Author(s)

Enrico Lucon, May Martin

The Charpy Machine Verification Program at NIST in Boulder uses heat-treated 4340 steel for the production of indirect verification Charpy specimens at low- and

Software

HolograFREE

An electron hologram is a fringe modulated image containing the amplitude and phase information of an electron transparent object. The HolograFREE routines

Tools and Instruments

Positron Annihilation Lifetime Spectrometer

Positron annihilation lifetime spectroscopy uses positrons to probe material defects/voids/free volume at the sub-nm scale. The general working principle is

Instrument scientists Conan Weiland (left) and Nick Quackenbush (right) at the Hard X-ray Photoelectron Spectrometer (HAXPES).

Hard X-ray Photoelectron Spectroscopy (HAXPES)

The Hard X-ray Photoelectron Spectroscopy (HAXPES) end station uses a tunable, focused X-ray beam in the tender spectrum (2.0 keV to 7.5 keV) to probe the depth

Vector Potential Photoelectron Microscope (VPPEM)

The Vector Potential Photoemission Microscope endstation sits at the end of both the SST-I and SST-II beamlines, providing both soft (0.1 keV to 2.2 keV) and

Picture of the sample area of the NIST X-ray Adsorbtion Fine Structure instrument, with NIST scientist Bruce Ravel, located at the National Synchrotron Light Source.

X-ray Absorption Fine Structure (XAFS)

The XAFS station uses a tunable, monochromatic, and moderately high energy X-ray beam (4.5 keV to 23.5 keV) for X-ray absorption spectroscopy measurements. The

Metals

News and Updates

Detecting mid-infrared light, one photon at a time

New Research Could Help Manufacturers Avoid 3D-Printing Pitfall

NIST Team Directs and Measures Quantum Drum Duet

Projects and Programs

Developing a Materials Innovation Infrastructure

Integrated Density Functional Theory (DFT) Data and Tools

Theory of Spin-Orbit Torque

Interatomic Potential Data and Simulations

Publications

An assessment of different approaches for measuring crack sizes in fatigue and fracture mechanics specimens

The effect of internal defects on tensile tests of additively manufactured metal samples: In-situ tensile testing during X-ray computed tomography

Solid-State Transformation of an Additive Manufactured Inconel 625 Alloy at 700 °C

Assessing the Quality of As-Received 4340 Steel for the Production of NIST Charpy Reference Specimens

Software

HolograFREE

Tools and Instruments

Positron Annihilation Lifetime Spectrometer

Hard X-ray Photoelectron Spectroscopy (HAXPES)

Vector Potential Photoelectron Microscope (VPPEM)

X-ray Absorption Fine Structure (XAFS)

Awards

Mark Stoudt Named ASM Fellow

Dr. Ursula Kattner Honored with 2020 William Hume-Rothery Award

MML Project Leader Enrico Lucon Receives ASTM International Award of Merit

MML Group Leader Frank DelRio Named ASME Fellow