{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T03:05:08Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 3,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T10:00:00Z",
      "ingestedAt": "2026-10-06T07:06:07+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:00+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q428069",
    "registryId": "vr.tr.intermetallic",
    "name": "intermetallic",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q428069/",
  "model": {
    "registry_id": "vr.tr.intermetallic",
    "name": "intermetallic",
    "purpose": "Let an agent explain intermetallic compounds and their structures, relay properties and applications from materials science references, describe notable families such as Laves and Frank-Kasper phases, and distinguish intermetallics from solid solutions and ordinary alloys.",
    "definition": "A solid compound of two or more metallic elements with a definite composition and an ordered crystal structure distinct from those of its constituents, such as MgZn2 and other Laves and Frank-Kasper phases, tantalum trialuminide, neodymium bismuthide and alkali bismuthides, with properties often intermediate between metals and ceramics; intermetallics are used as high-temperature structural materials, magnets, hydrogen storage alloys, shape-memory alloys and superconductors, and occur as phases within many alloys.",
    "what_it_is_for": "Not applicable; a class of compounds.",
    "affordances": [
      "explain the concept and structures",
      "relay properties and applications",
      "describe notable families",
      "distinguish from alloys"
    ],
    "distinguishing_features": [
      "Ordered structure",
      "Definite stoichiometry",
      "Brittleness and strength",
      "Functional properties"
    ],
    "appearance": "Metallic solids, often brittle, forming distinct phases in alloys.",
    "visual_identification": [
      "Ordered compounds of metals",
      "Laves phases such as MgZn2, Frank-Kasper phases, aluminides, bismuthides",
      "Solid solutions have random atom arrangement; ceramics are non-metallic compounds"
    ],
    "physical_properties": [
      {
        "quantity": "MgZn2 structure",
        "typical_range": "hexagonal Laves phase C14",
        "unit": "structure",
        "note": ""
      },
      {
        "quantity": "nickel aluminide melting point",
        "typical_range": "about 1640",
        "unit": "C",
        "note": "NiAl"
      }
    ],
    "families_and_kinds": [
      "Laves phases such as MgZn2",
      "Frank-Kasper phases",
      "aluminides such as tantalum trialuminide and titanium and nickel aluminides",
      "bismuthides such as neodymium bismuthide and potassium dibismuthide",
      "Zintl phases such as Ca5Zn3 type compounds",
      "shape-memory and magnetic intermetallics",
      "intermetallic superconductors"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "chemical compound",
        "why": "in registry terms"
      },
      {
        "relation": "occurs in",
        "target": "alloy",
        "why": "as ordered phases"
      },
      {
        "relation": "includes",
        "target": "Laves phase",
        "why": "as a major family"
      },
      {
        "relation": "is used in",
        "target": "shape-memory alloy",
        "why": "such as NiTi"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Materials standards for intermetallic alloys such as titanium aluminides in aerospace",
      "No regulation of the concept"
    ],
    "failure_modes_and_hazards": [
      "Brittle fracture",
      "Unwanted intermetallic formation in solder joints",
      "Confusing intermetallics with solid solutions"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe intermetallic compounds, their structures and properties from the literature.",
        "Analyze materials data for intermetallic phases in projects it is authorized to support."
      ],
      "must_not": [
        "Present untested properties of a new intermetallic as measured.",
        "Hide brittleness or phase defects that affect a part's safety.",
        "Ignore toxic metal dust hazards when handling materials."
      ],
      "requires_human": [
        "Approving an intermetallic material for a safety-critical part."
      ]
    },
    "ethics": {
      "considerations": [
        "Intermetallics go into engines, implants and electronics where failure harms people.",
        "Some constituent metals are toxic to workers if handled carelessly."
      ],
      "affected_parties": [
        "Workers handling materials",
        "Users of products"
      ]
    },
    "owners": {
      "steward": "Nobody owns the class; the maker of a material or part answers for its specification.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q428069: intermetallic",
      "url": "https://www.wikidata.org/wiki/Q428069",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Intermetallic",
      "url": "https://en.wikipedia.org/wiki/Intermetallic",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What intermetallics are.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is an intermetallic compound, and how does it differ from a solid solution alloy?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about intermetallics in general or a specific compound or family?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "structures",
            "name": "Structures",
            "description": "Structures.",
            "findings": [
              {
                "id": "structures-finding",
                "name": "Structures",
                "description": "Structures.",
                "questions": [
                  {
                    "text": "What are Laves, Frank-Kasper, Zintl and other structure families, with examples such as MgZn2?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific family?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "properties",
        "name": "Properties",
        "description": "Properties.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "mechanical",
            "name": "Mechanical",
            "description": "Mechanical properties.",
            "findings": [
              {
                "id": "mechanical-finding",
                "name": "Mechanical",
                "description": "Mechanical.",
                "questions": [
                  {
                    "text": "Why are intermetallics strong at high temperature yet brittle, and how is ductility improved?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "functional",
            "name": "Functional",
            "description": "Functional properties.",
            "findings": [
              {
                "id": "functional-finding",
                "name": "Functional",
                "description": "Functional.",
                "questions": [
                  {
                    "text": "What magnetic, superconducting, hydrogen storage and shape-memory properties do intermetallics show?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific property?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "apply",
        "name": "Apply",
        "description": "Applications.",
        "rationale": "Application.",
        "layers": [
          {
            "id": "structural",
            "name": "Structural",
            "description": "Structural use.",
            "findings": [
              {
                "id": "structural-finding",
                "name": "Structural",
                "description": "Structural.",
                "questions": [
                  {
                    "text": "How are titanium and nickel aluminides used in aerospace and energy?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "unwanted",
            "name": "Unwanted",
            "description": "Unwanted phases.",
            "findings": [
              {
                "id": "unwanted-finding",
                "name": "Unwanted",
                "description": "Unwanted.",
                "questions": [
                  {
                    "text": "How do intermetallic phases form in solder joints and welds, and how are they controlled?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits solder?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Research and history.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "research",
            "name": "Research",
            "description": "Research.",
            "findings": [
              {
                "id": "research-finding",
                "name": "Research",
                "description": "Research.",
                "questions": [
                  {
                    "text": "What current research explores new intermetallics and high-entropy compounds?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits materials research?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How were intermetallics recognised and classified by Hume-Rothery, Laves and others?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the history of metallurgy?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should Laves phase and aluminide be separate primary entries?",
    "How should materials databases be linked?",
    "The registry entry has merged aliases naming specific compounds; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
