{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.metal","code":"thing-q11426","url":"https://ver.cy/models/thing/q11426/","name":"metal","alternateNames":[],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A material, usually a chemical element or alloy, that is typically hard, shiny, malleable, ductile and a good conductor of heat and electricity, with metallic bonding of delocalised electrons, including elements such as iron, copper, aluminium and gold, alloys such as steel, bronze and brass, and categories such as base, precious, ferrous, non-ferrous and heavy metals; metals underpin construction, transport, energy, electronics and tools, are produced by metallurgy and are extensively recycled.","purpose":"Let an agent explain metals and their properties and classes, describe uses, production and recycling, support selecting metals for applications, and support learning.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Metallic bonding","Conductivity","Malleability","Alloying"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What metals are.","layers":[{"id":"properties","name":"Properties","description":"Properties and bonding.","findings":[{"id":"properties-finding","name":"Properties","description":"Properties.","questions":[{"text":"What makes a material a metal, and how does metallic bonding explain conductivity, malleability and lustre?","kind":"definition"},{"text":"How do metals differ from metalloids and non-metals?","kind":"definition"}]}]},{"id":"classes","name":"Classes","description":"Classes of metal.","findings":[{"id":"classes-finding","name":"Classes","description":"Classes.","questions":[{"text":"How are metals classified as ferrous, non-ferrous, precious, light, heavy and alloys?","kind":"definition"},{"text":"Which entry fits a specific metal or alloy?","kind":"action"}]}]}]},{"id":"use","name":"Use","description":"Uses and selection.","layers":[{"id":"select","name":"Select","description":"Selecting metals.","findings":[{"id":"select-finding","name":"Select","description":"Selection.","questions":[{"text":"Which metal or alloy suits this application given strength, weight, corrosion and cost?","kind":"action"},{"text":"Which entry fits materials selection?","kind":"action"}]}]},{"id":"processing","name":"Processing","description":"Processing.","findings":[{"id":"processing-finding","name":"Processing","description":"Processing.","questions":[{"text":"How are metals cast, formed, joined and treated?","kind":"provenance"},{"text":"Which entry fits metalworking?","kind":"action"}]}]}]},{"id":"industry","name":"Industry","description":"Production and sustainability.","layers":[{"id":"production","name":"Production","description":"Production.","findings":[{"id":"production-finding","name":"Production","description":"Production.","questions":[{"text":"How are metals extracted and refined, and how is the industry structured?","kind":"provenance"},{"text":"Which entry fits metallurgy?","kind":"action"}]}]},{"id":"sustainability","name":"Sustainability","description":"Recycling and environment.","findings":[{"id":"sustainability-finding","name":"Sustainability","description":"Sustainability.","questions":[{"text":"How are metals recycled, and what environmental and health issues do metals raise, with positions attributed?","kind":"provenance"},{"text":"Which findings are contested?","kind":"boundary"}]}]}]},{"id":"learn","name":"Learn","description":"History and teaching.","layers":[{"id":"history","name":"History","description":"History of metals.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did the use of metals develop through the Copper, Bronze and Iron Ages to modern alloys?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"teach","name":"Teach","description":"Teaching.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How can metals be taught in chemistry and materials science?","kind":"action"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify metals and alloys and report their properties with sources.","Monitor corrosion and fatigue in metal structures the agent is authorized to inspect."],"mustNot":["Confuse metals, metalloids and alloys in technical claims.","Present a corroded or fatigued metal part as safe without inspection.","Advise heating, grinding or melting metals that release toxic fumes without protection.","Assist in theft of metal from infrastructure, memorials or buildings."],"requiresHuman":["Approving metal structures or parts for load-bearing or safety-critical use."]},"ethics":{"considerations":["Heavy metals poison water, soil and people, often in poor communities near mines and smelters.","Metal failures in bridges and machines can kill many people at once."],"affectedParties":["Workers handling metals","Communities near mines and smelters","Users of structures"]},"owners":{"steward":"Nobody owns the class; owners of metal goods answer for them.","roles":[],"masterSystems":[]},"relations":[{"target":"Q1924900","type":"parent","note":"registry parent class"},{"target":"Q34669510","type":"parent","note":"registry parent class"},{"target":"metallic material","type":"related","note":"category"},{"target":"malleable material","type":"related","note":"category"},{"target":"copper","type":"related","note":"a representative metal"},{"target":"steel","type":"related","note":"a major alloy"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.metal","Wikidata: Q11426 (https://www.wikidata.org/wiki/Q11426)"]},"properties":{"applicability":"required","items":["Density:  kg/m3 - Density is measured as mass per unit volume at a stated temperature and varies widely with composition.","Electrical conductivity:  S/m - Electrical conductivity is determined from resistance and specimen dimensions at a stated temperature.","Thermal conductivity:  W/(m K) - Thermal conductivity is measured from heat flow through a specimen under a known temperature gradient.","Tensile strength:  MPa - Tensile strength is measured by pulling a specimen to failure and depends on composition and processing."]},"recognition":{"applicability":"required","items":["Metallic lustre and conductivity","Elements and alloys","Metalloids have intermediate properties; ceramics are non-metallic","Shiny, hard, malleable materials."]},"capabilities":{"applicability":"required","items":["explain properties and classes","describe uses and production","support selection","support learning"]},"hazards":{"applicability":"required","items":["Corrosion and fatigue","Toxicity of some metals","Confusing metals, metalloids and alloys"]},"interfaces":{"applicability":"required","items":["Material standards and specifications","Environmental rules on heavy metals","Recycling and trade regulations"]},"context":{"applicability":"required","items":["Conductive malleable materials.","ferrous metals","non-ferrous metals","precious metals","light and heavy metals","alloys"]}},"sources":[{"title":"Wikidata item Q11426: metal","url":"https://www.wikidata.org/wiki/Q11426","note":"identity and sense of the item"},{"title":"Wikipedia: Metal","url":"https://en.wikipedia.org/wiki/Metal","note":"general description of the item"}],"openQuestions":["Should each metal class be a separate entry?","How should material standards be linked?","How should recycling data be linked?"],"resources":{"spec":"/models/things/publications/thing-q11426/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q11426/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T01:55:17Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:25+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}