Related Experiment Video
Updated: Jun 27, 2025

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations
Published on: October 12, 2019
Semantic integration of diverse data in materials science: Assessing Orowan strengthening
Bernd Bayerlein1, Markus Schilling2, Philipp von Hartrott3
1Bundesanstalt für Materialforschung- und prüfung (BAM), Unter den Eichen 87, Berlin, 12205, Germany. bernd.bayerlein@bam.de.
Abstract:
This study applies Semantic Web technologies to advance Materials Science and Engineering (MSE) through the integration of diverse datasets. Focusing on a 2000 series age-hardenable aluminum alloy, we correlate mechanical and microstructural properties derived from tensile tests and dark-field transmission electron microscopy across varied aging times. An expandable knowledge graph, constructed using the Tensile Test and Precipitate Geometry Ontologies aligned with the PMD Core Ontology, facilitates this integration. This approach adheres to FAIR principles and enables sophisticated analysis via SPARQL queries, revealing correlations consistent with the Orowan mechanism. The study highlights the potential of semantic data integration in MSE, offering a new approach for data-centric research and enhanced analytical capabilities.
Related Concept Videos
Intermolecular vs Intramolecular Forces
Molecular Orbital Theory II
Molecular Orbital Theory I
Inductive Effects on Chemical Shift: Overview
Intermolecular Forces
Acid Strength and Molecular Structure
In the absence of any leveling effect, the acid strength of binary compounds of hydrogen with nonmetals (A) increases as the H-A bond strength decreases down a group in the periodic table. For group 17, the order of increasing acidity is HF < HCl < HBr < HI. Likewise, for group 16, the order of increasing acid strength is H2O < H2S < H2Se < H2Te. Across a row in the periodic table, the acid strength of binary hydrogen compounds increases with...

