Author Topic: ULTRASONIC TECHNIQUES FOR HIDDEN CORROSION DETECTION IN AIRCRAFT WING SKIN  (Read 1478 times)

project report expert

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INTRODUCTION
CAUSE OF CORROSION – MOISTURE, WATER, CRACKS
AREAS AFFECTED – SURFACE, LAP JOINTS, FASTENERS
3.  NEED OF NDT
NON DESTRUCTIVE TESTS  (NDT)
VISUAL INSPECTION
MAGNETIC PARTICLE TEST
LIQUID (DYE) PENITRATION TEST
X – RAY PENETRATION INSPECTION
EDDY CURRENT INSPECTION
ULTRASONIC INSPECTION
DEFECTS OF CONVENTIONAL SYSTEMS
INSPECTION FROM TOP NORMAL TO SURFACE
2.  TIME CONSUMING FOR POINT TO POINT INSPECTION
3.  INABILITY TO DETECT  (a)  DISBONDS IN MULTILAYER
                 (b)  FATIGUE CRACKS AT FASTNERS
PRINCIPLE OF OPERATION
GUIDEDED WAVES  DISPRERSIVE WAVE  VELOCITY IS A Fn OF FREQUENCY-           THICKNESS PRODUCT
  MATERIAL CHANGE b/w 2 LAYERS AFFECTS
  1.  PROPAGATING MODE AMPLITUDE
        2.  VELOCITY
        3.  FREQUENCY SPECTRUM
        4.  TIME OF FLIGHT

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Abdul Basit Khan

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Sir, i am a student of final year in b.tech mechanical engineering. I have to represent the topic "ULTRASONIC TECHNIQUE FOR DETECTING HIDDEN CORROSION" on 1st of april in my college. so i request you to please help me kindly.

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