Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. metal
8. [metal by composition or origin]
9. nonferrous metal
10. [aluminum and aluminum alloys]

Narrower term/s

• aluminum-silicon alloy
• aluminum-zinc alloy
• duralumin

Anotations

Scope note:

When not further qualified, the term refers to aluminum-copper alloy with or without small amounts of other alloying elements. Due to the influence of even tiny amounts of other elements on aluminum, there is an infinite variety of aluminum alloys.