Byeong-Jin Kim on Muck Rack

Byeong-Jin Kim

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Byeong-Jin Kim - OCT News

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By Cheolhee Kim, Young-Min Kim, Byeong-Jin Kim
| OCT News
September 15, 2025 | NDE/NDT | Hanyang University, Korea Institute of Industrial Technology, Portland State University Penetration depth is a critical factor determining joint strength in butt welding; however, it is difficult to monitor in keyhole-mode laser welding due to the dynamic nature of the keyhole. Recently, optical coherence tomography (OCT) has been introduced for real-time keyhole depth measurement, though accurate results require meticulous calibration.
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