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Showing results 9 to 17 of 17

9
In situ and layer-by-layer grain size estimation in additively manufactured metal components using femtosecond laser ultrasonics

Park, Seong-Hyun; Yi, Kiyoon; Liu, Peipei; Choi, Gwanghwo; Jhang, Kyung-Young; Sohn, Hoon, JOURNAL OF LASER APPLICATIONS, v.35, no.2, 2023-05

10
Mechanical properties estimation of additively manufactured metal components using femtosecond laser ultrasonics and laser polishing

Park, Seonghyun; Liu, Peipei; Yi, Kiyoon; Choi, Gwanghyo; Jhang, Kyung-Young; Sohn, Hoon, INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, v.166, 2021-07

11
Noncontact laser ultrasonic inspection of weld defect in lithium-ion battery cap

Choi, Seungjun; Liu, Peipei; Yi, Kiyoon; Sampath, Santhakumar; Sohn, Hoon, JOURNAL OF ENERGY STORAGE, v.73, 2023-12

12
Online monitoring and process control during metal additive manufacturing

Sohn, Hoon; Liu, Peipei; Jeon, Ikgeun; Yi, Kiyoon; Park, Seong Hyun; Shin, Subin, The 10th European Workshop on Structural Health Monitoring, EWSHM, 2022-07-07

13
Porosity inspection in directed energy deposition additive manufacturing based on transient thermoreflectance measurement

Liu, Peipei; Yi, Kiyoon; Jeon, Ikgeun; Sohn, Hoon, NDT & E INTERNATIONAL, v.122, 2021-09

14
POROSITY INSPECTION IN METAL DIRECTED ENERGY DEPOSITION USING FEMTOSECOND LASER BASED TRANSIENT THERMOREFLECTANCE MEASUREMENT

Liu, Peipei; Yi, Kiyoon; Sohn, Hoon, 2021 48th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2021, American Society of Mechanical Engineers (ASME), 2021-07

15
Real-Time Additive Manufacturing Quality Enhancement in Pulse Laser-Assisted Metal Directed Energy Deposition

Liu, Peipei; Yi, Kiyoon; Yoon, Hansol; Sohn, Hoon, 49th Annual Review of Progress in Quantitative Nondestructive Evaluation(QNDE 2022), QNDE, 2022-07-25

16
Real-time porosity reduction during metal directed energy deposition using a pulse laser

Sohn, Hoon; Liu, Peipei; Yoon, Hansol; Yi, Kiyoon; Yang, Liu; Kim, Sangjun, JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, v.116, pp.214 - 223, 2022-07

17
Ultrafast nonlinear ultrasonic measurement using femtosecond laser and modified lock-in detection

Liu, Peipei; Yi, Kiyoon; Park, Yejun; Sohn, Hoon, OPTICS AND LASERS IN ENGINEERING, v.150, 2022-03

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