Cybersecurity

Computational Materials for Aviation Additive Manufacturing Qualification

NIST has published guidance on computational materials approaches for the qualification and certification of metal additive manufacturing in the aviation sector. This document, authored by researchers from NASA and other institutions, provides insights into process-intensive materials.

NIST Updates Air-Kerma Standards and ADCL Calibration Coefficients

The National Institute of Standards and Technology (NIST) has updated its air-kerma standards and ADCL calibration coefficients. These changes align with the adoption of recommendations from the International Commission on Radiation Units and Measurements (ICRU) Report 90.

NIST Report on Adjoint Methods for Sensitivity Analysis

The National Institute of Standards and Technology (NIST) has published a report detailing the physical interpretation of adjoint methods for sensitivity analysis in computational modeling. This document, Part I of a series, aims to demystify the adjoint method for engineers and scientists by grounding it in physical principles.

Automated Polymer Library for Materials Science Literature Curation

NIST has published a notice detailing an automated approach to curating materials science literature, specifically for dynamic polymers. This method aims to streamline data extraction for AI model training and trend identification in materials science research.

Influence of Ligament Size on Charpy Impact Test Results

NIST published a study on the influence of ligament size and tolerances on Charpy impact test results. The study supports a proposal to revise ASTM standards to align with ISO 148-1 regarding ligament length specifications.

NIST Develops New Gas Flow Standard

The National Institute of Standards and Technology (NIST) has developed a new Semiconductor Low Flow Standard (SLowFlowS) capable of measuring gas flows as low as 0.01 standard cm³/min. This development aims to improve accuracy in determining small volumes for ultra-low flowrate measurements.

End-effector Pose Extrapolation using Wireless Channel State Information

NIST has published a paper detailing a method for end-effector pose extrapolation using wireless channel state information. The research demonstrates improvements in physical robot performance by adapting to real-time radio frequency channel conditions, potentially leading to wider adoption of wireless technology in industrial settings.