NonDestructive Test u Most commonly used NDT Surface

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Non–Destructive Test u Most commonly used NDT • Surface methods : - Visual Inspection

Non–Destructive Test u Most commonly used NDT • Surface methods : - Visual Inspection (VT) - Magnetic particle testing (MT) - Penetrant testing (PT) - Eddy current (ET) • Sub-surface methods : - Ultrasonic testing (UT) - Radiographic testing (RT) 1 Dong-A Univ. Casting & welding Lab.

Non–Destructive Inspection u Magnetic particle testing (MT), 자분 탐상 검사 4 Dong-A Univ. Casting

Non–Destructive Inspection u Magnetic particle testing (MT), 자분 탐상 검사 4 Dong-A Univ. Casting & welding Lab.

Non–Destructive Inspection u Magnetic particle testing (MT), 자분 탐상 검사 • Advantages : -

Non–Destructive Inspection u Magnetic particle testing (MT), 자분 탐상 검사 • Advantages : - Simple and fast method to detect surface defects in ferromagnetic materials • Limitations : - To ferromagnetic materials - Not applicable to stainless steel - Power supply - Limitation of temperature range (during welding) 5 Dong-A Univ. Casting & welding Lab.

Non–Destructive Inspection u Ultrasonic Testing (UT), 초음파탐상검사 12 Dong-A Univ. Casting & welding Lab.

Non–Destructive Inspection u Ultrasonic Testing (UT), 초음파탐상검사 12 Dong-A Univ. Casting & welding Lab.

Non–Destructive Inspection u Radiographic Testing (RT), 방사선투과 검사 16 Dong-A Univ. Casting & welding

Non–Destructive Inspection u Radiographic Testing (RT), 방사선투과 검사 16 Dong-A Univ. Casting & welding Lab.

www. themegallery. com Dong-A Univ. Casting & welding Lab.

www. themegallery. com Dong-A Univ. Casting & welding Lab.