LM1773 Aluminum-Lithium (Al-Li) Alloy 2090

Catalog No. LM1773
Surface Polished
Thickness 1-20 mm
Width 100-450 mm
Diameter φ80-φ200

Aluminum-Lithium (Al-Li) Alloy 2090 can be used in marine, aerospace, and electronic components because of their lightweight, good ductility, and corrosion resistance. Stanford Advanced Material provides standard and other customized sizes Aluminum-Lithium alloy rolled plate/ingot. Our products have reached the standard for supply to the institute of the military.

Related Products: Aluminum Lithium (Al-Li) Alloy 1460, Aluminum Lithium (Al-Li) Alloy 1420

Aluminum-Lithium (Al-Li) Alloy 2090 Description

Aluminum-Lithium (Al-Li) Alloy 2090 can be used in marine, aerospace, and electronic components because of their lightweight, good ductility, and corrosion resistance. Lithium is the lightest metal element in the world. The addition of lithium to aluminum reduces the specific gravity of the alloy and increases the stiffness while still maintaining high strength, good corrosion resistance and fatigue resistance, and suitable ductility.

Lithium reduces density and increases stiffness when alloyed with aluminum. With proper alloy design, aluminum-lithium alloys can have exceptional combinations of strength and toughness.

Al-Li-alloy Al-lithium-ingot

 

Aluminum-Lithium (Al-Li) Alloy 2090 Specifications

Metal Composition

Element

Content (%)

Aluminum, Al

93.2 - 95.6

Copper, Cu

2.4 - 3

Lithium, Li

1.9 - 2.6

Magnesium, Mg

≤ 0.25

Titanium, Ti

≤ 0.15

Iron, Fe

≤ 0.12

Zinc, Zn

≤ 0.10

Silicon, Si

≤ 0.10

Zirconium, Zr

0.080 - 0.15

Manganese, Mn

≤ 0.050

Chromium, Cr

≤ 0.050

Other (each)

≤ 0.050

Other (total)

≤ 0.15


Metal Mechanic Property

Item#

E/Gpa

Rm/Mpa

Rpo2/Mpa

A/%

r/g cm-3

2090

79.7

569

530

7.9

2.57


Specifications for Delivery

type

cast ingot

rolled plate

Al-Li alloy

φ80-φ200mm

thickness:1-20mm
width:100-450mm

Al-Li intermediate alloy

Li:5%-30%

-

 

 

 

 

 

 

 

Aluminum-Lithium (Al-Li) Alloy 2090 Application

Aluminum Lithium Alloys are used in marine, aerospace, and electronic components because of their lightweight, good ductility, and corrosion resistance. The aerospace industry uses include wing leading and trailing edges, fuselage bulkhead webs, and internal framework parts. Al-Li is being considered for many applications in advanced aircraft including wing structures.

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