{"id":"https://openalex.org/keywords/polycrystals","display_name":"polycrystalline materials","description":"Solid materials composed of many crystallites with differing sizes and orientations, studied in materials science and engineering.","display_name_alternatives":["polycrystalline","polycrystalline crystals","polycrystal","polycrystalline material"],"ids":{"openalex":"https://openalex.org/keywords/polycrystals","wikidata":"https://www.wikidata.org/wiki/Q899372"},"primary_topic":{"id":"https://openalex.org/T10204","display_name":"Microstructure and mechanical properties","score":0.2406,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10204","display_name":"Microstructure and mechanical properties","score":0.2406,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12613","display_name":"X-ray Diffraction in Crystallography","score":0.0744,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":12894,"cited_by_count":304901,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/polycrystals","updated_date":"2026-10-22T04:07:25","created_date":"2026-09-30T00:00:00"}