tantalum
Let an agent explain tantalum as an element and its properties, describe uses in electronics, medicine and industry, present supply chain and conflict mineral issues with attribution, and support learning.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Understand What tantalum is.
Element
The element.
Element
Element.
- What are the physical and chemical properties of tantalum, and how does it relate to niobium? definition
- Which entry fits refractory metals? action
Isotopes
Isotopes and compounds.
Isotopes
Isotopes.
- What isotopes and compounds of tantalum exist, and which matter in practice? definition
- Which entry fits a specific compound? action
Use Uses.
Electronics
Electronics.
Electronics
Electronics.
- Why is tantalum used in capacitors, and how does this shape demand? provenance
- Which entry fits capacitors? action
Other
Medicine and industry.
Other
Other.
- How is tantalum used in implants, superalloys and chemical equipment? provenance
- Which entry fits a specific application? action
Supply Supply and ethics.
Sources
Sources and production.
Sources
Sources.
- Where is tantalum mined and refined, and how is the supply chain organised? provenance
- Which entry fits mining? action
Conflict
Conflict minerals.
Conflict
Conflict.
- How do conflict mineral regulations and due diligence address tantalum sourcing, and what do organisations and companies say, with positions attributed? provenance
- Is the presentation neutral? boundary
Learn History and teaching.
History
History.
History
History.
- How was tantalum discovered, and why was it named after Tantalus? provenance
- Which references are standard? provenance
Teach
Teaching.
Teach
Teaching.
- How can tantalum illustrate materials and supply chain topics? action
- Which misconceptions arise? provenance
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- thing
- Plane
- PHY
- Domain
- PHY.MAT
- Other names and narrower kinds
- tantalum-185, tantalum-172, tantalum-155, tantalum-156, tantalum-156m, tantalum-157, tantalum-157m1, tantalum-157m2, tantalum-158, tantalum-158m, tantalum-159, tantalum-159m
What it is Filled
The chemical element with atomic number seventy-three, a hard, dense, corrosion-resistant refractory metal found with niobium in minerals such as tantalite and coltan, with one stable isotope and many radioactive isotopes, used in capacitors for electronics, in superalloys and surgical implants for its biocompatibility, and in chemical equipment; tantalum supply is concentrated in a few regions and is subject to conflict mineral regulation and supply chain due diligence.
Why it exists Filled
Let an agent explain tantalum as an element and its properties, describe uses in electronics, medicine and industry, present supply chain and conflict mineral issues with attribution, and support learning.
Distinguishing features Filled
- Refractory
- Corrosion resistance
- Biocompatibility
- Capacitor use
What robots and AI may and may not do Filled
Must not
- Present tantalum from an unverified source as conflict-free.
- Help hide the origin of coltan or tantalum ore to evade due diligence rules.
- Recommend handling tantalum powder without the precautions its fire hazard requires.
- Describe a tantalum implant as suitable for a specific patient.
Only with a human decision
- Certifying a tantalum supply chain as responsibly sourced.
May
- Explain tantalum's properties, isotopes and uses in electronics, implants and chemical plant.
- Report recycling routes and published supply chain information.
Moral aspects Filled
- Coltan mining has funded armed groups and used child and forced labour.
- Implant materials bear on patients' long-term health.
Who is affected
- Miners and mining communities
- Patients with implants
- Electronics users
Owners Filled
Steward
Nobody owns the element; miners, refiners and holders answer for their material.
Links to other meta-models Filled
parent
- Q11426 - registry parent class
related
- metal - category
- chemical element - category
- carbon - another element entry
- electrical connector - electronics using tantalum components
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.tantalum
- Wikidata: Q1123 (https://www.wikidata.org/wiki/Q1123)
Direct properties required Filled
- Density: Approximately 16.7 g/cm3 - This value describes solid elemental tantalum near room temperature.
- Melting temperature: Approximately 3017 deg C - This value describes pure elemental tantalum near atmospheric pressure.
- Thermal conductivity: Approximately 57 W/(m K) - This value describes bulk tantalum near room temperature and varies with temperature and purity.
Recognition required Filled
- Atomic number seventy-three
- Refractory, corrosion-resistant
- Niobium is its lighter chemical twin
- A grey, dense, hard metal.
Capabilities and actions required Filled
- explain the element
- describe uses
- present supply chain issues
- support learning
Hazards and failure modes required Filled
- Supply chain links to conflict and exploitation
- Tantalum powder fire hazard
- Confusing tantalum with niobium
Standards and interfaces required Filled
- Conflict minerals regulations and due diligence guidance
- Materials standards for implants and alloys
- Chemical safety rules
Context of use required Filled
- Element seventy-three, a refractory metal.
- tantalum metal and alloys
- tantalum isotopes
- tantalum compounds and oxide
- tantalum in capacitors
- tantalum ores such as tantalite and coltan
Sources Filled
- Wikidata item Q1123: tantalum - identity and sense of the item
- Wikipedia: Tantalum - general description of the item
Open questions
- Should coltan be a separate entry?
- How should due diligence guidance be linked?
- How should materials data be linked?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q1123/spec.json