Tags
PSPP facets
Processing, Structure, Properties, Performance. A navigation aid that classifies the term concept, following the facet analysis of Greenberg et al. (2023) and the materials paradigm it draws on. A term may be assigned more than one facet. A facet classifies terms and is never the same concept as a term, so it is never bridged to one.
Terms for how a material is made, shaped, or treated, including synthesis, forming, heat treatment, and joining. Processing establishes structure.
Terms for the arrangement of the constituents of a material at any scale, from atomic and crystal structure through microstructure to macroscopic form. Structure results from processing and gives rise to properties.
Terms for the measurable characteristics that follow from structure, including mechanical, thermal, electrical, optical, and chemical behavior.
Terms for how a material behaves in service, under the conditions and over the time that an application imposes. Performance follows from properties, and it is where the inverse design pathway begins.
Topics
Community tags applied to definitions.
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Collections
Curated named sets of terms.
The terms the platform carried through the 2025 study period, including a few first defined in the testing that followed it.
Eight terms from the 2025 period whose definitions the group settles in the second study.
Four terms from the Metadata Research Center vocabulary selected for the August 2026 pilot.