Dr. Riichi Murayama Profile

Dr. Riichi Murayama

at Fukuoka Institute of Technology

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Author

Publications (5)

Proceedings Article | 4 March 2015 Paper

Pipe inspection system of a pipe by three-modes guide wave using polarized-transverse wave EMATs

Riichi Murayama, Jie Weng, Makiko Kobayashi

Proceedings Volume 9302, 93022T (2015) https://doi.org/10.1117/12.2074814

KEYWORDS: Waveguides, Inspection, Ultrasonics, Electromagnetism, Sensors, Radio propagation, Wave propagation, Transducers, Nondestructive evaluation, Polarization

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Proceedings Article | 4 March 2015 Paper

Transmission system of guide-wave for a pipe using a long distance wave guide

Kenshi Matsumoto, Riichi Murayama, Kenji Ushitani

Proceedings Volume 9302, 93020K (2015) https://doi.org/10.1117/12.2075240

KEYWORDS: Waveguides, Ultrasonics, Sensors, Inspection, Acoustics, Nickel, Magnetism, Wave propagation, Electromagnetism, Wave sensors

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Proceedings Article | 4 March 2015 Paper

Study of ultrasonic sensor that is effective for all direction using an electromagnetic force

Kazuki Iwaya, Riichi Murayama, Takahiro Hirayama

Proceedings Volume 9302, 93022U (2015) https://doi.org/10.1117/12.2077337

KEYWORDS: Ultrasonics, Sensors, Magnetism, Magnetic sensors, Electromagnetism, Wave plates, Inspection, Radio propagation, Acoustics, Transducers

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Proceedings Article | 2 June 2014 Paper

Performance comparison of Hall Effect sensor and EMATs in measurement of specimen with various hole depths

Witsarut Sriratana, Riichi Murayama

Proceedings Volume 9234, 92340R (2014) https://doi.org/10.1117/12.2049712

KEYWORDS: Sensors, Ultrasonics, Magnetic sensors, Magnetism, Receivers, Reliability, Transmitters, Signal to noise ratio, Acoustics, Metals

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Proceedings Article | 2 June 2014 Paper

Pipe inspection system using a polarized transverse wave EMAT

Riichi Murayama, Witsarut Sriratana, Kensuke Imai, Naoto Sonoda, Makiko Kobayashi

Proceedings Volume 9234, 92340S (2014) https://doi.org/10.1117/12.2053185

KEYWORDS: Waveguides, Inspection, Signal attenuation, Electromagnetism, Ultrasonics, Radio propagation, Wave propagation, Sensors, Transducers, Nondestructive evaluation

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