Mechanical properties

News and Updates

A man wearing safety goggles leans over a scientific device.

Spotlight: Collaboration With CHiMaD to Build New Materials That Can Take a Hit

June 8, 2020

Impact in 3 … 2 … 1 … Meet Marcos Reyes-Martinez, a NIST researcher working to build new materials that could protect fragile items in transit, spacecraft

Multiscale Polymer Dynamics in Hierarchical Carbon Nanotube Grafted Glass Fiber Reinforced Composites

August 27, 2019

NIST researchers utilized a suite of techniques typically reserved to investigate polymer dynamics and structure in nanocomposites with dispersed fillers to

Schematic shows the five layers of a typical automobile composite body. Mar and scratch damages from five objects, seen as cracks and crevices in the coating layers, are marked.

To Improve Auto Coatings, New Tests Do More Than Scratch the Surface

September 20, 2018

Know that sickening feeling when you exit the grocery store and find your car has been banged up by a runaway shopping cart? It may one day be just a bad memory

Projects and Programs

3D Strain Mapping: Transmission Bragg Edge Strain Tensor Tomography (TBESTT)

Ongoing

Imagine an MRI or CT technique that can peer inside structural materials (e.g., steels) and visualize the strain experienced by structures as they support loads

Ab initio theoretical modeling for predicting structure and properties in advanced materials

Ongoing

We develop first-principles-based methods for prediction of atomic arrangements and properties in advanced materials and develop tools for the prediction and

Materials and Systems for Protection Against Penetrating and Blunt Force Phenomena

Ongoing

Penetrating and blunt force phenomena can cause serious trauma. The STG performs research to advance materials science and metrology for materials and equipment

AM Machine and Process Qualification

Ongoing

Machines and processes used to produce critical components for defense, aerospace, and medical applications must first be formally qualified. While

Publications

Home- and Laboratory-based Microscopy of Face Covering Materials

November 17, 2021

Author(s)

Edward Vicenzi, Scott Whittaker, Christopher D. Zangmeister, James Radney, Matthew E. Staymates, Jamie Weaver

Activation of Mechanophores in a Thermoset Matrix by Instrumented Scratch

November 17, 2021

Author(s)

Chelsea S. Davis, Jeremiah Woodcock, Ryan Beams, Mitchell Rencheck, Muzhou Wang, Stephan J. Stranick, Aaron M. Forster, Jeffrey Gilman

Scratches in polymer coatings and barrier layers negatively impact optical properties (haze, light transmission, etc.), initiate routes of degradation or

Evaluation of a Modified Void Descriptor Function to Uniquely Characterize Pore Networks and Predict Fracture Location in Additively Manufactured Metals

November 15, 2021

Author(s)

Dillon Watring, Jake Benzing, Orion Kafka, Li-Anne Liew, Newell Moser, John Erickson, Nik Hrabe, Ashley Spear

Variations in additive manufacturing (AM) processing parameters can lead to variations in porosity, making it challenging to predict pore- or void-sensitive

Applications of High Throughput (Combinatorial) Methodologies to Electronic, Magnetic, Structural, and Energy-Related Materials

September 3, 2021

Author(s)

Howard Joress, Martin L. Green, Ichiro Takeuchi, Jason Hattrick-Simpers

High throughput (combinatorial) materials science methodology is a relatively new research paradigm that offers the promise of rapid and efficient materials

Tools and Instruments

Rubber Process Analyzer

The TA Instruments RPA elite rubber process analyzer (RPA) is a strain-controlled rotational shear rheometer for the characterization of polymers, composites

4 m Drop Tower with Instrumented Impactor

The Security Technologies Group has a 4-m-tall drop tower that can be configured for a wide variety of impact and impact-related testing. This drop tower is

Mechanical properties

News and Updates

Spotlight: Collaboration With CHiMaD to Build New Materials That Can Take a Hit

Multiscale Polymer Dynamics in Hierarchical Carbon Nanotube Grafted Glass Fiber Reinforced Composites

To Improve Auto Coatings, New Tests Do More Than Scratch the Surface

Projects and Programs

3D Strain Mapping: Transmission Bragg Edge Strain Tensor Tomography (TBESTT)

Ab initio theoretical modeling for predicting structure and properties in advanced materials

Materials and Systems for Protection Against Penetrating and Blunt Force Phenomena

AM Machine and Process Qualification

Publications

Home- and Laboratory-based Microscopy of Face Covering Materials

Activation of Mechanophores in a Thermoset Matrix by Instrumented Scratch

Evaluation of a Modified Void Descriptor Function to Uniquely Characterize Pore Networks and Predict Fracture Location in Additively Manufactured Metals

Applications of High Throughput (Combinatorial) Methodologies to Electronic, Magnetic, Structural, and Energy-Related Materials

Tools and Instruments

Rubber Process Analyzer

4 m Drop Tower with Instrumented Impactor

Awards

Mark Stoudt Named ASM Fellow

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