Ultrasonic
What does ultrasonic testing use to detect flaws?
What are high-frequency sound waves?
What type of radiation is used in radiography?
What are X-rays and gamma rays?
What is the principle behind eddy current testing?
What is the use of magnetic fields to detect imperfections in conductive materials?
What does dye penetrant testing detect?
What are surface-breaking defects?
What types of materials can magnetic particle testing be used on?
What are ferromagnetic materials like iron and steel?
How does ultrasonic testing detect internal defects?
What is by sending sound waves through a material and measuring reflections from flaws?
What is the main advantage of X-ray testing in NDT?
What is detecting internal defects without damaging the material?
What is inside an eddy current probe?
What is a coil that produces a magnetic field?
Under what lighting conditions are fluorescent penetrants best visible?
What is under ultraviolet (UV) light in a darkened room?
What is the purpose of an electromagnet in magnetic particle testing?
What is to generate a strong magnetic field within the test piece?
What industries rely on ultrasonic testing
What are aerospace, automotive, and oil & gas?
What safety precautions are necessary when using radiographic testing?
What are protective shielding, controlled access areas, and monitoring radiation exposure?
How does eddy current testing detect imperfections?
What is by tracking changes in the magnetic field generated by the eddy currents?
How does the penetrant indicate the presence of a defect?
What is by bleeding out of the crack and glowing under UV light?
What happens to magnetic particles when applied to a defect-free area?
What is they run off without clustering?
What is the function of a transducer in ultrasonic testing?
What is converting electrical energy into sound waves and back again?
What are some limitations of radiographic testing?
What are high costs, safety concerns, and difficulty with very thick materials?
Why does an imperfection in metal change the magnetic field in eddy current testing?
What is because flaws disrupt the flow of eddy currents, altering the detected signal?
Why must dye penetrant testing be performed in a dark room?
What is to ensure the fluorescent dye is visible without interference from ambient light?
Why must the material be magnetized in two directions?
What is to ensure defects in all orientations are detected?
Why does the ultrasonic wave bounce back differently from defects?
What is because defects create an impedance difference, altering the reflected signal?
What is a limitation of radiography when inspecting certain materials?
What is that very thick or dense materials may block radiation, making internal defects hard to detect?
Why does eddy current testing require recording and data analysis?
What is to accurately identify and document small defects that might not be visible in real time?
What is the importance of bleed-out in penetrant testing?
What is to allow the dye to seep into cracks and reveal defects clearly?
What happens if the magnetic field is parallel to a crack?
What is the defect may remain undetected because no leakage field is generated?