6.5 Flashcards
1100 Rivet
Non Structural Rivet
2117 or L86 Rivet
A Alloy Structure Rivet
Field Rivet
2018-T or L37
Higher Strength Aluminium Alloy Structure Rivet
Icebox
2024-T Rivet
Icebox Rivet
5056 Rivet
Magnesium Alloy Structure
What Heat Treatment do Rivets get
Solution Heat Treatment
2018-T time out of fridge
1 Hour
L37 time out fridge
2 Hours
2024-T time out of fridge
10 mins
How many times can Icebox Rivets be re heat treated
3 times
Group A Rivets
1100
3003
5052
6053
Group B rivets
2117
2017
2124
7075
Group A+ Group B + Moisture =
Dissimilar Metal Corrosion
What colour are Zinc Chromate Rivets
Yellow
What colour is Anodised Rivets
Grey Green or Purple
What colour are metal sprayed Rivets
Silver / Grey
Snap / Round Heat
Interior structures
Some tensile strength
Strengthens Contact area of sheet
Flat / Pan head
Interior structures with low clearance
Mushroom / Braizer Head
Thin sheets , Composites and Aft FL
Little tensile strength
Large head diam
Universal Head
Modified Mushroom Head
Greater tensile strength
Interior and Exterior
100 ° Countersink
Most Common
Used on exterior
120 °
Soft Materials
For aerodynamic sensitive areas
Brielles
Radiused Lead in
Used on Counterbored Holes
Improved Faith Resistance
Double Angle
82 ° and 30 °
Fluid Tight
2117 Marking
AD
Dimple
2017 Marking
D
Raised Dot
2024 Marking
DD
Double Dash
5056 Marking
B
Raised Cross
1100 Marking
A
Plain
7050 Marking
KE
Raised Circle
Copper Marking
C
Monel Marking
M
Titanium Marking
T
Mild Steel Marking
Nothing
American rivet sizing
1/32” = Diam
1/16” = SL
British Rivet Sizing
1/32” or mm x 10 = Diam
1/16 or mm = SL
Blind Rivets
Mandrel
Tubular Rivets
Hammering