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BLUE RAY INSPECTIONBLUE RAY INSPECTION
AN INTRODUCTIONAN INTRODUCTION TOTO
AN INTRODUCTIONAN INTRODUCTION TOTO
NON DESTRUCTIVE TESTING
NON DESTRUCTIVE TESTING
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WHAT IS
NONDESTRUCTIVE TESTING ?
NONDESTRUCTIVE TESTING is defined as:Any method for examining an object or material in any
manner w c w no mpa r s u ure use u ness...
,
)
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Tests Performed?
The purpose of the test may be to: detect internal or external flaws
measure geometric characteristics,
measure some of the objects or material's
ro erties
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are there?
Today there are many different Nondestructive Testing
. , ,
Nondestructive Evaluation that are very widely known
and applied. These are:
Radiography
Visual
Ultrasonics
Liquid Penetrant
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Can you tell me a little more about
what Nondestructive Evaluation is
used for ?
Increasingly, in our nuclear and space age, which someengineers have called the materials age,
o ma er a s per ec , u mus ave a equa e
properties to meet the increasingly rigorous demands
made upon it. NDT (as it is abbreviated) provides the means
to assure the detection or measurement of significant
properties or performance capabilities of materials,
, ,impairing their serviceability.
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Where is NondestructiveTesting Used?
Aerospace Marine
include the following:
Aircraft
Automotive
Materials Joining
Security Casting & Forging
Chemical & Petroleum
e a s
Non-Metals
ons ruc on Electronics Ordnance
Trans ortation
Utilities
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e me more a ou emethods of Nondestructive
Testing students learna ou n ue ay
NDT On-Line Training
programs.
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RT involves the use of enetratin X or amma
radiation to examine parts and products forimperfections. An X-ray machine or
radioactive isotope is used as a source of
radiation. Radiation is directed through a part. ,
shadowgraph is obtained that shows the
internal soundness of a art. Possible
imperfections show up as density changes in the
film, in much the same manner as a medical
radiograph can show broken bones.
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MT is done by inducing a magnetic field in aferromagnetic material and dusting the surface
with iron particles (either dry or suspended in
a liquid). Surface imperfections will distort the
particles near such discontinuities, thus
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ULTRASONICS
UT uses the transmission of high frequencysound waves into a material to detect
imperfections within the material, or changes
in material properties. The most commonly-
testing, wherein sound is introduced into the
to a receiver from internal imperfections or
from geometrical surfaces of the part.
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LIQUID PENETRANT
PT is probably the most widely used NDT
method. The test object or material is coated
.
excess dye is removed from the surface, andthen a develo er is a lied. The develo er acts
like a blotter and draws penetrant out of
imperfections which are open to the surface.With visible dyes, the vivid color contrast
between the penetrant and the developer makes
e ee ou easy o see. uorescendyes, an ultraviolet lamp is used to make the
imperfections to be seen readily.
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VISUAL EXAMINATION
s pro a y e o es an mos
common method of NDT, having
numerous n us r a an commerc a
applications. Examiners followproce ures rang ng rom s mp e o very
complex, some of which involve
compar son o wor mans p samp eswith production parts. Visual techniques
are use w a o er me o s.
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SPECIAL NDT METHODS
NDT engineers, and technicians also usemicrowaves ultrasonic ima in lasers.
holography, liquid crystals, and infrared-
thermal testin techni ues in addition tomany other specialized methods. In fact,
there are almost 80 different evaluation
methods identified as being
NONDESTRUCTIVE.
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The field of NDT needs well trained,
For the past 15 years, demand for
, u
increased. This means that if you want to
o a n a egree n a e w more o s
than people: THIS INDUSTRY NEEDS YOU !!!!!
Talk to one of our instructors today!
Call us at +91 96555 86445 ;
+91 98425 39525 or email
[email protected]; or visit our web: brisndt.in
to discuss your future.
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THE AMERICAN SOCIETY FOR
NONDESTRUCTIVE TESTING
Blue Ray Inspection Serviceslue Ray Inspection ServicesNo15,Muthuillam,Abiraminagar,
SIDCO Industrial Estate Post,Madhukarai main
road,Kurichy,Coimbatore -641021
Tamilnadu India
Call to - +91 96555 86445
+ 91 98425 39525
Email:[email protected]
Web: brisndt.in
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NDT PERSONNEL QUALIFICATION
AND ERTIFI ATI N
techniques were invented, developedand applied, the need for trained
technicians grew rapidly. It soon
became apparent that NDTec n c ans an eng neers w
suitable training and qualifications
.
were NO accredited colleges
teachin NDT !!!!
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MEANS OF UNIFORM
There are a number of reasons for
. ,
employers have a uniform means ofualif in and rankin technicians.
Two, customers are supplied with a
means of judging the quality of aven or s program. ree,
certification aids in assuring that
perform assigned tasks. And, four,
technicians have a means for
progressing within their profession.
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The value of CertificationWithout certification
activities there can be:
unjustified feelings ofsecurity among those
individuals for whom
the testing isper orme , ea ng o
inadequate precautions
use, and unanticipated
failure of improperly
tested materials.
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The field of NDT needs well trained,The field of NDT needs well trained,
For the past 15 years, demand for
, u
exceeded the industry supply. This
means a you wan o o a n
certification in a field with more jobs
:
Talk to one of our instructors today!
Call us at +91 96555 86445 or [email protected] to discuss your
future.
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