default author photo

Hitoshi Soyama

Tohoku University

Professor

6-6-01 Aoba, Aramaki, Aoba-ku

Sendai, Miyagi 980-8579

Japan

http://https://web.tohoku.ac.jp/ism/index.html

  • Tohoku University

    • Email
    • Tel: +81227956891
SCHOLARLY PAPERS

5

DOWNLOADS

349

TOTAL CITATIONS

4

Ideas:
“  I'm currently working on cavitation peening using a cavitating jet and a submerged pulsed laser to improve fatigue strength of 3D-metal.  ”

  • Tohoku University

    • Email
    • Tel: +81227956891

Scholarly Papers (5)

Actions:
Email selected abstracts
1.

Revealing the Origins of Vortex Cavitation in a Venturi Tube by High Speed X-Ray Imaging

Number of pages: 14 Posted: 29 Sep 2023
Hitoshi Soyama, Xiaoyu Liang, Wataru Yashiro, Kentaro Kajiwara, Eleni Myrto Asimakopoulou, Valerio Bellucci, Sarlota Birnsteinova, Gabriele Giovanetti, Chan Kim, Henry J. Kirkwood, Jayanath C. P. Koliyadu, Romain Letrun, Yuhe Zhang, Jozef Uličný, Richard Bean, Adrian P. Mancuso, Pablo Villanueva-Perez, Tokushi Sato, Patrik Vagovič, Daniel Eakins and Alexander M. Korsunsky
Tohoku University, Tohoku University, Tohoku University, Japan Synchrotron Radiation Research Institute, Lund University, European XFEL, European XFEL, European XFEL, European XFEL, European XFEL, European XFEL, European XFEL, Lund University, P. J. Šafárik University in Košice, European XFEL, Diamond Light Source Ltd, Lund University, European XFEL, Center for Free-Electron Laser (CFEL), University of Oxford and University of Oxford - Multi-Beam Laboratory for Engineering Microscopy
Downloads 129 (569,079)
Citation 1

Abstract:

Loading...

hydrodynamic cavitation, Vortex, Bubble, X-ray imaging

2.

Simultaneous Extraction of Caffeic Acid and Production of Cellulose Microfibrils from Coffee Grounds Using Hydrodynamic Cavitation in a Venturi Tube

Number of pages: 24 Posted: 13 Feb 2025
Hitoshi Soyama, Kousuke Hiromori and Naomi Shibasaki-Kitakawa
Tohoku University, Tohoku University and Tohoku University
Downloads 90 (742,061)

Abstract:

Loading...

hydrodynamic cavitation, cellulose microfibril, coffeic acid, biomass, coffee grounds

3.

A hemispherical bubble induced by ultrasonic vibration observed by high-speed X-ray imaging

Number of pages: 33 Posted: 02 Feb 2026
Hitoshi Soyama, Ryosuke Ueda, Kentaro Kajiwara, Wataru Yashiro and Swee Hock Yeo
Tohoku University, Tohoku University, Japan Synchrotron Radiation Research Institute, Tohoku University and Nanyang Technological University
Downloads 50 (1,086,013)

Abstract:

Loading...

Acoustic cavitation, Ultrasonic vibration, Hemispherical bubble, X-ray imaging

4.

The Effects of Submerged Laser Peening, Cavitation Peening, and Shot Peening on the Improvement of the Torsional Fatigue Strength of Powder Bed Fused Ti6al4v Produced Through Laser Sintering

Number of pages: 27 Posted: 29 Feb 2024
Hitoshi Soyama, Kwan Lok Wong, Daniel Eakins and Alexander M. Korsunsky
Tohoku University, affiliation not provided to SSRN, University of Oxford and University of Oxford - Multi-Beam Laboratory for Engineering Microscopy
Downloads 44 (1,145,425)
Citation 3

Abstract:

Loading...

Fatigue strength, Additive manufacturing, Submerged laser peening, Cavitation peening, Shot peening

5.

Importance of Surface Defect Removal and Compressive Residual Stress Introduction in Improving Fatigue Strength of Powder Bed-Fused Ti6al4v and Demonstration of Fatigue Strength Beyond that of Hot-Rolled Ti6al4v

Number of pages: 54 Posted: 04 Aug 2025
Hitoshi Soyama, Daniel Eakins and Alexander M. Korsunsky
Tohoku University, University of Oxford and University of Oxford - Multi-Beam Laboratory for Engineering Microscopy
Downloads 36 (1,249,711)

Abstract:

Loading...

fatigue strength, Powder bed fusion, Titanium alloy, Surface defect, Residual stress, Surface roughness, Fine particle bombarding