Fasteners - Aircraft Rivets Flashcards
If D or DD rivets are not formed in time, or removed from the freezer in time, they
Must be re-heat treated before use
What metal is suitable for riveting magnesium alloy?
5056 aluminium alloy
What metal is suitable for riveting alloy steel?
Monel metal
Rivet length is determined by the formula
1.5d
D and DD rivets are refrigerated to
Retard age hardening
What do you do to 2017 and 2024 rivets after heat treatment?
Use immediately or refrigerate
An American rivet with a cross on the head is
5056 aluminium alloy
If you practical assess to one sic of a structure is not available, what would you use to repair the structure?
A hylock
Alloy rivets are heat treated by
Solution treating
When an icebox rivet is formed it only has 75% of its shear strength. The other 25% comes from
Leaving assembly for 4 days to age harden
A rivet with no marking has the material code
A
Rivet MS20426 has what type of head?
CSK
The length of solid rivets is in increments of
1/16 inch
What would the marking (-5) indicate as part of the number of an MS20426 type rivet?
The rivet length in graduations of 1/16 inch
If a sheet of aluminium alloy of 0.032 and 0.064 is to be joined together the rivet should be
0.096 plus 1.5 D
On a CHERRY MAX rivet, after the riveting process the mandrel section or stem is
Remains in the rivet sleeve to provide mechanical strength
A ‘HUCK’ rivet is similar in design to a
Cherry rivet
On a structural repair, what type of rivet would you use when the back side cannot be accessed?
Blind rivet
What material is suitable for riveting steel?
Monel
Rivet’s main strength quality is to resist
Shear loads
Cherrymax and Olympic-Lok rivets
Utilise a rivet gun, special rivet set, and bucking bar for installation
Hole filling fasteners (for example, MS20470 rivets) should not be used in composite structures primarily because of the
Possibility of causing delamination
The dimensions of an MS20430AD-4-8 rivets are
1/8 inch in diameter and 1/4 inch long
The primary alloying agent of 2024-T36 rivets is indicated by the number
2xxx
Most rivets used in aircraft construction are field rivets, and have
A dimple
MS20426AD-6-5 indicates a countersunk rivet which has
An overall length of 5/16 inch
Which rivet may be used as received without further treatment?
2117-T
Forming a solution treated rivet gives it 75% of its hardness. What gives it the other 25%?
Leave at room temperature for four hours
