Metals

News and Updates

Atomic ‘Swiss Army Knife’ Precisely Measures Materials for Quantum Computers

July 6, 2020

It images single atoms. It maps atomic-scale hills and valleys on metal and insulating surfaces. And it records the flow of current across atom-thin materials

NIST Software Aids the Analysis of Instrumented Charpy Tests

June 9, 2020

To help labs characterize the toughness of steel, a new software package allows analysis of instrumented Charpy tests, or Charpy tests augmented with strain

Getting a closer look at living cells and batteries: a little bit of graphene goes a long way

March 6, 2020

Researchers at NIST have devised a way to eliminate a long-standing problem affecting our understanding of both living cells and batteries. When a solid and an

Opposite sides of a quartz crystal resonator

Universe in the Balance

February 12, 2020

Researchers at the National Institute of Standards and Technology (NIST) have found a way to link measurements made by a device integral to microchip

Projects and Programs

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)

Computational Tools for Materials Design

Computational materials design requires a variety of tools to model processing-structure-property relationships across a range of time and length scales. This

Publications

Hydrogen embrittlement in ferritic steels

October 6, 2020

Author(s)

May L. Martin, Matthew J. Connolly, Frank W. DelRio, Andrew J. Slifka

The deleterious effects of hydrogen on the physical properties of metals have been known for over a century. Despite extensive work over that time period, there

Additive Manufacturing of Steels and Stainless Steels

August 1, 2020

Author(s)

Carelyn E. Campbell, Mark R. Stoudt, Fan Zhang

This work briefly reviews the classification of the different types of steels, the most common AM processes used for steel and the available powder feedstock

Effect of Notch Geometry and Lack-of-Fusion on the Elastic-Plastic Fracture Toughness of Additively Manufactured Ti-6Al-4V parts

July 28, 2020

Author(s)

Enrico Lucon, Jake T. Benzing, Nikolas W. Hrabe

A comparison between fatigue precracked and sharp-notched Charpy-type fracture toughness specimens is presented for characterizing the elastic-plastic fracture

On the precipitation kinetics, microstructure evolution and mechanical behavior of a developed Al- Mn-Sc alloy fabricated by selective laser melting

July 1, 2020

Author(s)

Qingbo Jia, Fan Zhang, Paul Rometsch, Jitendra Mata, Jingwei Li, Matthew Weyland, Laure Bourgeois, Manling Sui, Xinhua Wu

The dynamic metallurgical characteristics of the selective laser melting (SLM) process offer fabricated materials with non-equilibrium microstructures compared

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

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

Nanocalorimeter Measurement System

This Nanocalorimeter Measurement System is used for nanocalorimetry measurements at fast heating rates (100 °C/s to 100,000 °C/s) and measurements of samples

Metals

News and Updates

Atomic ‘Swiss Army Knife’ Precisely Measures Materials for Quantum Computers

NIST Software Aids the Analysis of Instrumented Charpy Tests

Getting a closer look at living cells and batteries: a little bit of graphene goes a long way

Universe in the Balance

Projects and Programs

Integrated Density Functional Theory (DFT) Data and Tools

Theory of Spin-Orbit Torque

Interatomic Potential Data and Simulations

Computational Tools for Materials Design

Publications

Hydrogen embrittlement in ferritic steels

Additive Manufacturing of Steels and Stainless Steels

Effect of Notch Geometry and Lack-of-Fusion on the Elastic-Plastic Fracture Toughness of Additively Manufactured Ti-6Al-4V parts

On the precipitation kinetics, microstructure evolution and mechanical behavior of a developed Al- Mn-Sc alloy fabricated by selective laser melting

Software

HolograFREE

Tools and Instruments

Hard X-ray Photoelectron Spectroscopy (HAXPES)

Vector Potential Photoelectron Microscope (VPPEM)

X-ray Absorption Fine Structure (XAFS)

Nanocalorimeter Measurement System

Awards

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

Andrew Slifka and Elizabeth Drexler of MML Awarded 2017 DoC Silver Medal