Why it matters, material
Aerospace alloys
Aluminum-lithium, titanium, nickel superalloys and stainless steels used in tanks, structures and engines.
- Depends on
- 0
- Depended on by
- 2
- Metrics
- 0
Neighbourhood: what depends on it (left), what it depends on (right)
- Candidate
- Hypothesized
- Mechanism supported
- Causally supported
- Established relation
Systems that would feel a shortage
Downstream: what depends on it
Launch vehicle requires input Aerospace alloys2 evidenceEstablished relation
Launch vehicle depends on Aerospace alloys.
Mechanism
Tanks and structures are aluminum-lithium alloy, stainless steel or composites chosen for strength at low mass.
Evidence
- documentNASA, Space Launch System referencenasa.govVehicle stages, engines, structures and materials.checked 2026-09-07
- documentUSGS, Aluminum statistics and informationusgs.govEnd uses in transportation, electrical and construction; substitution with copper.checked 2026-09-07
- Status
- established_identity_or_engineering_relation
- Reviewer confidence
- 0.95
- Stated strength
- 0.80
- Lag
- not stated
- Version
- curated_seed_v1
- Reviewed
- 2026-09-07
Confidence and strength are curated judgements recorded with the edge, not measured quantities.
Rocket engine requires input Aerospace alloys1 evidenceEstablished relation
Rocket engine depends on Aerospace alloys.
Mechanism
Combustion chambers, turbopumps and nozzles operate at extreme temperature and pressure and are built from nickel superalloys and copper alloys.
Evidence
- documentNASA Glenn, Liquid rocket enginewww1.grc.nasa.govPropellant, combustion chamber, turbopumps and nozzle.checked 2026-09-07
- Status
- established_identity_or_engineering_relation
- Reviewer confidence
- 0.95
- Stated strength
- 0.90
- Lag
- not stated
- Version
- curated_seed_v1
- Reviewed
- 2026-09-07
Confidence and strength are curated judgements recorded with the edge, not measured quantities.
Inputs it cannot do without
Upstream: what it depends on
No stored inputs for this entity.
Measured, from the catalog
Linked metrics
No catalog metric is linked to this entity yet.
Named on the edges that depend on it
Substitutes
No substitute is named for this entity on any stored edge.
Derived from curated edges
Bottleneck centrality
- Score
- 3.51
- Downstream entities
- 4
- Direct dependents
- 2
Sum over every entity downstream (within six hops) of the strongest path weight to it, where each edge weighs its stated strength divided by one plus its named substitutes. A graph statistic over curated edges, not an observation. Computed 2026-09-07 22:42 UTC.
Curated paths this entity is part of
Chains
Names that resolve to this node
Aliases
- aerospace materials
- aluminum-lithium alloy
- superalloys
- titanium alloy
slug aerospace-alloys, updated 2026-09-07 22:42 UTC