Search Results - "CHENG-KUEI JEN"

The structural and non–linear dynamic analysis for radioactive waste container by Shen, Yu-Yu, Cheng, Kuei-Jen, Chou, Hsoung-Wei

“…In recent years, the development of radioactive waste containers for nuclear facility decommissioning and dismantling is a critical issue because the Taiwan…”
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Flexible ultrasonic transducers by Kobayashi, M., Cheng-Kuei Jen, Levesque, D.

“…Flexible ultrasonic transducers (UTs) consisting of a metal foil, a piezoelectric ceramic film, and a top electrode have been developed. The flexibility is…”
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High-temperature piezoelectric film ultrasonic transducers by a sol-gel spray technique and their application to process monitoring of polymer injection molding by Kobayashi, M., Ono, Y., Cheng-Kuei Jen, Chin-Chi Cheng

“…Thick-film (90 /spl mu/m) piezoelectric ceramic high-temperature ultrasonic transducers (HTUTs) have been successfully deposited on metallic substrates by a…”
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Flexible metallic ultrasonic transducers for structural health monitoring of pipes at high temperatures by Shih, Jeanne-Louise, Kobayashi, Makiko, Cheng-Kuei Jen

“…Piezoelectric films have been deposited by a solgel spray technique onto 75-μm-thick titanium and stainless steel (SS) membranes and have been fabricated into…”
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Integrated high-temperature piezoelectric plate acoustic wave transducers using mode conversion by Kuo-ting Wu, Kobayashi, M., Cheng-kuei Jen

“…Piezoelectric thick (>66 mum) films have been directly coated onto aluminum (Al) substrates using a sol-gel spray technique. With top electrode, these films…”
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Real-time diagnosis of co-injection molding using ultrasound by Cheng, Chin-Chi, Ono, Yuu, Jen, Cheng-Kuei

“…Co‐injection molding, also known as sandwich molding, is a process in which two or more polymers are laminated together in a mold cavity. Integrated ultrasonic…”
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Aluminum buffer rods for ultrasonic monitoring at elevated temperatures by Ono, Yuu, Jen, Cheng-Kuei, Su, Chun-Yi

“…Aluminum (Al) buffer rods, having circular, square, and rectangular cross-section shapes with and without cladding, were experimentally investigated to achieve…”
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High-temperature and broadband immersion ultrasonic probes by Ono, Y., Kobayashi, M., Moisan, O., Cheng-Kuei Jen

“…Immersion ultrasonic probes for measurements and imaging at high temperature are presented. The probes consist of sol-gel-sprayed thick films as piezoelectric…”
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Ultrasonic probes having three orthogonal polarizations by Cheng-Kuei Jen, Kuo-Ting Wu, Kobayashi, M.

“…Ultrasonic probes which can simultaneously generate and receive 2 orthogonal polarized shear (S¿ and S // ) and longitudinal (L) waves in screw shape have been…”
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Application of ultrasound and neural networks in the determination of filler dispersion during polymer extrusion processes by Sun, Zhigang, Jen, Cheng-Kuei, Yan, Jian, Chen, Ming-Yuan

“…Mineral filler dispersion is important information for the production of mineral‐charged polymers. In order to achieve timely control of product quality, a…”
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An in-process ultrasonic approach to investigating the relaxation of orientation and disorientation of polymer melts by Li, Jiang, Sun, Zhigang, Tatibouët, Jacques, Jen, Cheng-Kuei

“…The orientation and relaxation behaviors of a low‐density polyethylene melt and polypropylene melts with different melt indices undergoing a shear flow in a…”
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Structural Health Monitoring of Composites Using Integrated and Flexible Piezoelectric Ultrasonic Transducers by Kobayashi, Makiko, Wu, Kuo-Ting, Li Song, Jen, Cheng-Kuei, Ad, Nezih

“…Two types of ultrasonic sensors are presented for structural health monitoring (SHM) and non-destructive testing (NDT) of graphite/epoxy (Gr/Ep) composites of…”
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The preparation of segmenting the TRR reactor vessel internals with higher radiation by Cheng, Kuei-Jen, Peng, Chen-Chzu, Shen, Yu-Yu, Lee, Hsueh-Yuan, Chen, Peng-Yu

“…Based on the approved Taiwan Research Reactor (TRR) Decommissioning Plan, TRR decommissioning task must be finished before March 2029, and the reactor vessel…”
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Integrated High-Temperature Longitudinal, Shear, and Plate Acoustic-Wave Transducers by Kobayashi, Makiko, Jen, Cheng-Kuei, Ono, Yuu, Wu, Kuo-Ting, Shih, Ishiang

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Ultrasonic techniques for imaging and measurements in molten aluminum by Ono, Y., Moisan, J.-F., Cheng-Kuei Jen

“…In order to achieve net shape forming, processing of aluminum (Al) in the molten state is often necessary. However, few sensors and techniques have been…”
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Engine Oil Condition Monitoring Using High Temperature Integrated Ultrasonic Transducers by Wu, Kuo-Ting, Kobayashi, Makiko, Sun, Zhigang, Jen, Cheng-Kuei, Sammut, Pierre, Bird, Jeff, Galeote, Brian, Mrad, Nezih

“…The present work contains two parts. In the first part, high temperature integrated ultrasonic transducers (IUTs) made of thick piezoelectric composite films,…”
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Applications of flexible ultrasonic transducer array for defect detection at 150 °C by Shih, Jeanne-Louise, Wu, Kuo-Ting, Jen, Cheng-Kuei, Chiu, Chun-Hsiung, Tzeng, Jing-Chi, Liaw, Jiunn-Woei

“…In this study, the feasibility of using a one dimensional 16-element flexible ultrasonic transducer (FUT) array for nondestructive testing at 150 °C is…”
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Evaluation of the dynamic performance variation of a serial manipulator after eliminating the self-weight influence by Cheng, Pi-Ying, Cheng, Kuei-Jen

“…Manipulators used in the industrial field usually have a very stiff structure but without an equivalent payload on their end-effectors. This is because the…”
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An on-line ultrasonic cleanliness analyzer for molten light metals by Ono, Yuu, Moisan, Jean-François, Jen, Cheng-Kuei, Zhang, Yuanbei, Su, Chun-Yi

“…The same experiment was conducted with molten magnesium (purity: 99.8%). The temperature of the magnesium was 680°C. Figure 3b shows typical signals obtained…”
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C-scan imaging in molten zinc by focused ultrasonic waves by Ihara, I, I, Jen, CK, Franca, DR

“…Ultrasonic images of a small steel object immersed in molten zinc at 600 °C are obtained with high spatial resolution using a focused ultrasonic pulse-echo…”
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