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Details

ut test 1 module 6 study guide
module 6 from study guide and book
33
Other
Undergraduate 1
09/20/2014

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Cards

Term
A-scan horizontal line means
Definition
time
Term
a-scan vertical deflection showes
Definition
signal amplitude
Term
a-scan bigger test piece =_____ amplitude
Definition
less, because of attenuation
Term
b-scan used for
Definition
corrosion monitoring and lamination dectection
Term
what view looks like it was cut through and put on side
Definition
b-scan
Term
benefits of b-scan
Definition
real time visualization of material
Term
what view from b-scan
Definition
2-d cross section
Term
avantage of c-scan
Definition
easy visual display
Term
necessary components of pulse echo instruments
Definition

power supply,

transducer,

pulser/ receiver,

display

timer

Term
power supply components
Definition
plug/ battery, on/off switch, time delay to protect circuits
Term
power supply consists of
Definition
circuits for getting current for all functions of instrument
Term

transducer definetion

not components

Definition
device that converts energy from one form to an other
Term
ultrasonic transducer consists of
Definition
thin piezoelectric disk (aka element or crystal) and holder
Term
what transducer element does
Definition
converts electrical energy to ultrasonic energy and sends vibrations into object also receives reflected ultrasonic vibrations/ converts them into electrical signals for amplification and display
Term
sends/receives vibrations and converts electricity and vibrations back and forth
Definition
transducer
Term
source of short, high energy bursts of electrical energy applied to transducer
Definition
pulser
Term
what a transducer does
Definition
sends/receives vibrations and converts electricity and vibrations back and forth
Term
what a pluser does
Definition
source of short, high energy bursts of electrical energy applied to transducer
Term
flat panel or ctr, shows info
Definition
display
Term
source of all timing signals to pluser
Definition
timer/ clock/ rate generator
Term
return plusses from test object are sent to this by transducer
Definition
receiver
Term
what does a receiver recive
Definition
return plusses from test object
Term
element or crystal consists of
Definition
thin piezoelectric disk
Term
in a pulse-echo ut instrument a sweep circuit does what
Definition
produces the time base line
Term
what produces the time base line in a pulse-echo ut instrument
Definition
sweep circuit
Term
pulse repetition rate
Definition
number of pluses made in a given time period
Term
number of pluses made in a given time period
Definition
pulse repetition rate
Term
this displays data useing a plan view
Definition
c-scan
Term
how c-scan displays data
Definition
plan view
Term
"dead zone" in a-scan
Definition
distance w/in near feild
Term
distance w/in near field in a-scan
Definition
dead zone
Term
triggers pulse and sweep circuits in a-scan
Definition
clock
Term
b-scan discontinuities length in the direction of the transducer travel is indicated by
Definition
the length of a screen indication of the discontinuity
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