Chapter 2, Section A- Metallic Aircraft Construction

Removes stresses caused by forming

Annealing of aluminum

Are less subject to corrosion than uncoated aluminum alloys

Clad aluminum alloys are used in aircraft because they

Shear failure

Joggles in removed rivet shanks would indicate partial

Steel parts

Mild steel rivets are used for riveting

Heat treatment

The aluminum alloys used in aircraft construction are usually hardened by which method?

-2

The primary alloying agent of 2024-T36 is indicated by the number

Shear

What type of loads cause the most rivet failures?

All scratches, kinks, tool marks, nicks, etc., must be held to a minimum

When fabricating parts from Alclad 2024-T3 aluminum sheet stock,

The shear strength of the riveted joint

When repairing a small hole on a metal stressed skin, the major consideration in the design of the patch should be

100 times the thickness of the metal

When repairing puncture type damage of metal faced laminated honeycomb panel, the edges of the doubler should be tapered to

Place a protective separator between areas of potential electrical difference

When riveting dissimilar metals together, what precautions must be taken to prevent an electrolytic action?

-2

Which part of the 2017-T36 aluminum alloy designation indicates the primary alloying agent used in its manufacture?

Testing with a 10 percent solution of caustic soda

You can distinguish between aluminum and aluminum alloy by