J0420402 Visualization of Internal Defects by Electromagnetic Ultrasonic Flaw Detection Method (2^ Report)

2015 ◽  
Vol 2015 (0) ◽  
pp. _J0420402--_J0420402-
Author(s):  
Katumi FUKUDA ◽  
Yoshihiro NISHIMURA ◽  
Takayuki SUZUKI ◽  
Eiki IKEDA
Keyword(s):  
Detection Method ◽  
Flaw Detection ◽  
Internal Defects ◽  
Ultrasonic Flaw Detection ◽  
Ultrasonic Flaw

20105 Visualization of Internal Defects by Electromagnetic Ultrasonic Flaw Detection Method

2015 ◽  
Vol 2015.21 (0) ◽  
pp. _20105-1_-_20105-2_
Author(s):  
Katsumi FUKUDA ◽  
Yoshihiro NISHIMURA ◽  
Takayuki SUZUKI ◽  
Eiki IKEDA
Keyword(s):  
Detection Method ◽  
Flaw Detection ◽  
Internal Defects ◽  
Ultrasonic Flaw Detection ◽  
Ultrasonic Flaw

105 Visualization of Internal Defects by Electromagnetic Ultrasonic Flaw Detection Method (3rd Report)

2015 ◽  
Vol 2015 (0) ◽  
pp. 12-13
Author(s):  
Katsumi FUKUDA ◽  
Yoshihiro NISHIMURA ◽  
Takayuki SUZUKI ◽  
Eiki IKEDA ◽  
Ginji UCHIBE
Keyword(s):  
Detection Method ◽  
Flaw Detection ◽  
Internal Defects ◽  
Ultrasonic Flaw Detection ◽  
Ultrasonic Flaw

GS0305 Visualization of Internal Defects by Electromagnetic Ultrasonic Flaw Detection Method (5th Report)

2016 ◽  
Vol 2016.22 (0) ◽  
pp. _GS0305-1_-_GS0305-2_
Author(s):  
Katsumi FUKUDA ◽  
Eiki IKEDA ◽  
Ginji UCHIBE ◽  
Yosihiro NISHIMURA ◽  
Takayuki SUZUKI
Keyword(s):  
Detection Method ◽  
Flaw Detection ◽  
Internal Defects ◽  
Ultrasonic Flaw Detection ◽  
Ultrasonic Flaw

612 Visualization of Internal Defects by Electromagnetic Ultrasonic Flaw Detection Method (4th Report)

2016 ◽  
Vol 2016.54 (0) ◽  
pp. _612-1_-_612-2_
Author(s):  
Katsumi FUKUDA ◽  
Yoshihiro NISHIMURA ◽  
Takayuki SUZUKI ◽  
Eiki IKEDA ◽  
Ginji UCHIBE
Keyword(s):  
Detection Method ◽  
Flaw Detection ◽  
Internal Defects ◽  
Ultrasonic Flaw Detection ◽  
Ultrasonic Flaw

scholarly journals Determination of hydrogen-induced damage by an acoustic method

2020 ◽  
pp. 19-28
Author(s):  
V. V. Mishakin ◽  
◽  
A. V. Gonchar ◽  
A. V. Poroshkov ◽  
N. V. Semenova ◽  
...  
Keyword(s):  
Hydrogen Absorption ◽  
Detection Method ◽  
Ultrasonic Method ◽  
Flaw Detection ◽  
Complete Information ◽  
Acoustic Method ◽  
Signal Spectrum ◽  
Ultrasonic Flaw Detection ◽  
Ultrasonic Flaw

The 13HFA corrosion- and cold-resistant steel is studied by an ultrasonic method after hydrogen absorption for 96, 192, and 288 hours. Within the framework of classical flaw detection, it was found that the formation of macrodefects occurs only at 288 hours of hydrogen absorption. In the study of the material by the spectral-acoustic method, it was found that, during hydrogen absorption for 96 and 192 hours, the signal spectrum changes. This indicates the formation of microdefects. It is shown that the determination of the damage by the conventional ultrasonic flaw detection method and the use of the spectral-acoustic method for the evaluation of fracture at the microlevel give more complete information on the state of the investigated alloys.

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