Inspection On Composite Material

Front 1

what are the four method of inspecting composite material?

Back 1

resonance, pitch-catch impulse, pitch catch swept and mechanical impedance analysis

Front 2

Which method requires couplant?

Back 2

resonance

Front 3

Resonance is well suited for inspecting for what kind of discontinuities?

Back 3

unbonds and delaminations

Front 4

Resonance indicates the probes impedance with what?

Back 4

a flying spot on an ultrasonic impedance plane

Front 5

What kind of probe is used with the resonance method?

Back 5

ceramic bottom single probe

Front 6

What display type is used for the pitch catch impulse method?

Back 6

Radio frequency or flying spot display

Front 7

What kind of discontinuities is the pitch catch impulse well suited for inspecting?

Back 7

unbonds, crushed core, and defects from either side of the composite material

Front 8

How does the pitch catch swept differ from the pitch catch impulse method?

Back 8

Uses a wide range of frequency vs a single frequency and displayed in the form of circular patterns on one X-Y active screen

Front 9

What kind of discontinuities is the pitch catch swept well suited for inspecting?

Back 9

unbonds and shallow defects

Front 10

Mechanical impedance analysis receives better results on what type of structure?

Back 10

stiff structures

Front 11

Mechanical impedance analysis uses a small probe which allows inspection of what?

Back 11

irregular or curved surfaces and also works well for detecting unbonds and crushed core