PAA-CORE® 5052 Aluminum Honeycomb

Overview

PAA-CORE® 5052 aluminum honeycomb is phosphoric acid anodized and coated with a proprietary primer. PAA-CORE® has unsurpassed corrosion resistance, (with minimal weight loss after 31 days in an acidified salt spray chamber). PAA-CORE® outperforms non-metallic core materials due to significantly higher strength-to-weight ratio and hot/wet strength.

Applications

  • Aircraft control surfaces
  • Longer service aircraft flooring
  • Aircraft landing gear doors
  • Extended service aircraft engine nacelles
  • Marine and naval panels
  • Advanced energy absorbers
  • High performance composite structures
  • Replacement for non-metallic core materials

Features

  • Unsurpassed corrosion resistance and bond durability
  • Excellent strength-to-weight ratio
  • Elevated temperature performance to 350°F/177°C
  • Fire and fungus resistant
  • Eliminates need for priming or pour-coat
  • Easily machined and formed
  • Resistant to hostile environments
  • Exceeds AMS-C-7438 and many other aerospace specifications

Availability

  • Unexpanded blocks
  • Unexpanded slices
  • Expanded sheets
  • Pieces cut to size
  • PAA-CORE® 5052 aluminum honeycomb is available with cell perforations to facilitate venting
  • Custom dimensions, cell sizes, tolerances and mechanical properties are also available

Available Dimensions

StandardMaximumTolerance
inchesmminchesmminchesmm
Ribbon (L)4812191002540+2.0 / -0.0+50.8 / -0.0
Transverse (W)9624381443658+4.0 / -0.0+101.6 / -0.0
Thickness (T)35889
up to 4 inches (102mm) T±0.005±0.127
over 4 inches (102mm) T±0.062±1.575
Densitysee mechanical characteristics chart±10%
Cell Sizesee mechanical characteristics chart±10%

Construction

Substrate: 5052 aluminum

Coating: PAA primer coating

How to Order

When ordering, please specify PAA-CORE® 5052 using the following format:
Example: PAA – 5052 – 3.1 – 3/16 – N – E, where

ProductAlloyDensityCell SizePerforated or Non-PerforatedExpanded or Unexpanded
PAA50523.13/16P or NE or U

Mechanical Characteristics

Mechanical Characteristics (Typical Values – US units)
Stabilized Compressive
Strength
Crush
Strength
Shear
Strength
Shear
Modulus
lbs/ft3 – inches – inchespsipsipsiksi
LWLW
75° F350° F75° F75° F350° F75° F350° F75° F
3.1 – 1/8 – .0007305200145215145132903216
4.5 – 1/8 – .00105803802703452402251505125
6.1 – 1/8 – .001510306604505654003452207737
8.1 – 1/8 – .00201575107576081057554031011250
10.0 – 1/8 – .0025187513001070107581061041514060
12.0 – 1/8 – .00302920155014001955*1300*950*44016075
2.6 – 5/32 – .0007245150105170110102802412
3.8 – 5/32 – .00104152802102752001681404120
2.0 – 3/16 – .000718010070122807165179
3.1 – 3/16 – .0010340200145215145128903216
4.4 – 3/16 – .00155553752703352352201455024
5.7 – 3/16 – .00208706004104653803052007034
6.9 – 3/16 – .002511857805706005003802759142
8.1 – 3/16 – .00301735107576073557549031011250
2.3 – 1/4 – .0010215125851459088702111
3.4 – 1/4 – .00153752351602351601451003518
4.3 – 1/4 – .00205453652503252352051404824
5.2 – 1/4 – .00257705003304153302701606231
6.0 – 1/4 – .003011106504305353903502107536
7.9 – 1/4 – .00401505102572071055045030010849
1.6 – 3/8 – .001098705088605135136
2.3 – 3/8 – .0015205125851459088702111
3.0 – 3/8 – .0020315190135205140128853015
3.7 – 3/8 – .00254152652002551901651054020
4.2 – 3/8 – .00305653402403152302051304723
5.4 – 3/8 – .00408105403604353552851806632
6.5 – 3/8 – .005010157505105554403602658340
4.0 – 1/2 – .00404003202202902201701204422

For minimum values, please see AMS-C-7438. *Beam Shear

Mechanical Characteristics (Typical Values – SI/metric units)
Stabilized Compressive
Strength
Crush
Strength
Shear
Strength
Shear
Modulus
lbs/ft3 – inches – inchesMPaMPaMPaMPa
LWLW
23° C177° C23° C23° C177° C23° C177° C23° C
3.1 – 1/8 – .00072.101.381.001.481.000.910.62221110
4.5 – 1/8 – .00104.002.621.862.381.651.551.03352172
6.1 – 1/8 – .00157.104.553.103.902.762.381.52531255
8.1 – 1/8 – .002010.867.415.245.583.963.722.14772345
10.0 – 1/8 – .002512.938.967.387.415.584.212.86965414
12.0 – 1/8 – .003020.1310.699.6513.48*8.96*6.55*3.03*1103517
2.6 – 5/32 – .00071.691.030.721.170.760.700.5516583
3.8 – 5/32 – .00102.861.931.451.901.381.160.97283138
2.0 – 3/16 – .00071.240.690.480.840.550.490.4511762
3.1 – 3/16 – .00102.341.381.001.481.000.880.62221110
4.4 – 3/16 – .00153.832.591.862.311.621.521.00345165
5.7 – 3/16 – .00206.004.142.833.212.622.101.38483234
6.9 – 3/16 – .00258.175.383.934.143.452.621.90627290
8.1 – 3/16 – .003011.967.415.245.073.963.382.14772345
2.3 – 1/4 – .00101.480.860.591.000.620.610.4814576
3.4 – 1/4 – .00152.591.621.101.621.101.000.69241124
4.3 – 1/4 – .00203.762.521.722.241.621.410.97331165
5.2 – 1/4 – .00255.313.452.282.862.281.861.10427214
6.0 – 1/4 – .00307.654.482.963.692.692.411.45517248
7.9 – 1/4 – .004010.387.074.964.903.793.102.07745338
1.6 – 3/8 – .00100.680.480.340.610.410.350.249041
2.3 – 3/8 – .00151.410.860.591.000.620.610.4814576
3.0 – 3/8 – .00202.171.310.931.410.970.880.59207103
3.7 – 3/8 – .00252.861.831.381.761.311.140.72276138
4.2 – 3/8 – .00303.902.341.652.171.591.410.90324159
5.4 – 3/8 – .00405.583.722.483.002.451.971.24455221
6.5 – 3/8 – .00507.005.173.523.833.032.481.83572276
4.0 – 1/2 – .00402.762.211.522.001.521.170.83303152

For minimum values, please see AMS-C-7438. *Beam Shear

 

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