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titanium

vr.tr.titanium · thing-q716

Let an agent identify titanium and its properties, relay alloys, production, uses and supply from reference sources, explain the Kroll process and pigment industry, and distinguish titanium from its alloys and its dioxide.

Thing Registry Physical world and living systems PHY.MAT
Bundle → Layer → Finding → QuestionsClassifiersWhat it isWhy it existsDistinguishing featuresWhat robots and AI may and may not doMoral aspectsOwnersLinks to other meta-modelsIdentity and identifiersDirect propertiesRecognitionCapabilities and actionsHazards and failure modesStandards and interfacesContext of useSources

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Identify What titanium is.

Properties

Properties.

Properties

Properties.

  1. What are the physical and chemical properties of titanium? definition
  2. Is the question about the metal, an alloy or titanium dioxide? boundary

Alloys

Alloys and grades.

Alloys

Alloys.

  1. What alloys and grades exist, and how do they differ? definition
  2. Which entry fits the specific alloy? action
Source Production and supply.

Production

Production.

Production

Production.

  1. How is titanium extracted through the Kroll process and processed into mill products? provenance
  2. Which entry fits the Kroll process? action

Supply

Supply and policy.

Supply

Supply.

  1. Who produces titanium sponge and mill products, and what supply issues exist, with sources? measurement
  2. Which sources are cited? provenance
Use Uses.

Engineering

Aerospace and industry.

Engineering

Engineering.

  1. How is titanium used in aircraft, engines, chemical plant and consumer products? provenance
  2. Which references are standard? provenance

Medical

Medical implants.

Medical

Medical.

  1. Why is titanium used in implants, and what standards apply? provenance
  2. Is the user asking about their own implant, which needs a clinician? boundary
Context History and pigment.

Discovery

Discovery.

Discovery

Discovery.

  1. How was titanium discovered by Gregor and Klaproth and made usable by Kroll? provenance
  2. Which entry fits the history of metallurgy? action

Pigment

Titanium dioxide.

Pigment

Pigment.

  1. How is titanium dioxide made and used, and what regulatory debates exist, with positions attributed? provenance
  2. Which entry fits titanium dioxide? action

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.MAT
Other names and narrower kinds
titanium-44, Ti-5Al-2.5Sn, Ti-6Al-2Sn-4Zr-6Mo, Ti-6Al-6V-2Sn, Ti-6Al-2Sn-2Zr-2Mo-2Cr, Commercially pure titanium, titanium-38, titanium-39, titanium-40, titanium-41, titanium-42, titanium-43

What it is Filled

A chemical element with symbol Ti and atomic number 22, a strong, light, corrosion-resistant transition metal occurring in ilmenite and rutile, used as commercially pure titanium and in alloys such as Ti-6Al-4V, Ti-5Al-2.5Sn and Ti-6Al-2Sn-4Zr-6Mo for aerospace, medical implants, chemical plant and sports equipment, while most titanium is consumed as titanium dioxide pigment; titanium has five stable isotopes and radioactive ones such as titanium-44 used in astrophysics.

Why it exists Filled

Let an agent identify titanium and its properties, relay alloys, production, uses and supply from reference sources, explain the Kroll process and pigment industry, and distinguish titanium from its alloys and its dioxide.

Distinguishing features Filled

  • High strength to weight
  • Corrosion resistance
  • Biocompatibility
  • Costly Kroll extraction

What robots and AI may and may not do Filled

Must not

  • Accept titanium stock or parts without traceable certification for safety-critical use.
  • Grind, machine or weld titanium without the fire and inert gas controls the work needs.
  • Substitute a grade or alloy in aerospace or medical parts without qualification.
  • Present recycled or unidentified scrap as a certified grade.

Only with a human decision

  • Approving material substitution in aircraft, implants or pressure parts.

May

  • Report titanium grades, properties and uses from material standards and references.
  • Track and verify material certificates for parts it is authorized to manage.

Moral aspects Filled

  • Uncertified titanium in aircraft and implants has killed people.
  • Titanium production is energy intensive and its ore mining disturbs coastal land.

Who is affected

  • Passengers and patients
  • Machinists and welders
  • Mining communities

Owners Filled

Steward

The holder of the material; accredited mills and testing bodies certify it.

Master systems

  • Material certification and traceability records

Links to other meta-models Filled

parent

  • Q428766 - registry parent class

related

  • light metal - in registry terms
  • transition metal - in the periodic table
  • Kroll process - from tetrachloride
  • titanium dioxide - in pigment, the largest use

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.titanium
  • Wikidata: Q716 (https://www.wikidata.org/wiki/Q716)
  • symbol: Ti
  • CAS: 7440-32-6
  • UNS: R50400 grade 2 commercially pure

Direct properties required Filled

  • atomic number: 22 Z
  • standard atomic weight: 47.867 u
  • density: 4.51 g/cm3
  • melting point: 1668 degrees C

Recognition required Filled

  • Element 22, symbol Ti
  • Light strong metal of aerospace and implants
  • Titanium dioxide is the white pigment; scandium and vanadium are the neighbouring elements
  • A silvery grey metal with a lustrous finish.

Capabilities and actions required Filled

  • relay properties and isotopes
  • explain alloys and grades
  • explain production and supply
  • distinguish metal, alloys and dioxide

Hazards and failure modes required Filled

  • Fire hazard of titanium powder and fine chips
  • Supply concentration and sanctions
  • Confusing alloy designations
  • Titanium dioxide classification debates

Standards and interfaces required Filled

  • ASTM and ISO titanium material standards
  • Medical implant standards such as ASTM F136
  • Aerospace material specifications
  • Export controls on some titanium products

Context of use required Filled

  • Aerospace, implants, chemical plant, pigment and consumer goods.
  • commercially pure titanium grades 1 to 4
  • alpha, alpha-beta and beta alloys such as Ti-6Al-4V and Ti-6Al-6V-2Sn
  • high-temperature alloys such as Ti-6Al-2Sn-4Zr-6Mo
  • titanium compounds, chiefly titanium dioxide
  • isotopes including the five stable ones and titanium-44

Sources Filled

  1. Wikidata item Q716: titanium - identity and sense of the item
  2. Wikipedia: Titanium - general description of the item

Open questions

  • Should Ti-6Al-4V and titanium dioxide be separate primary entries?
  • How should material standards be linked?
  • The registry entry has merged aliases naming alloys and an isotope; should they be split off?

Machine files

Card as JSON Specification Card backlog vercy.card/1

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q716/spec.json