KEITA MARUMOTO

Last Updated :2025/11/04

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Assistant Professor
E-mail
marukhiroshima-u.ac.jp
Other Contact Details
1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan, Japan
TEL : (+81)82-424-2365 FAX : (+81)
Self-introduction
My research focuses on the development of new processes and automation technologies using image processing for welding and additive manufacturing. I am also conducting research on welding metallurgy.

Basic Information

Educational Backgrounds

  • Hiroshima university, Graduate School of Advanced Science and Engineering, Japan, 2020/04, 2022/03
  • Hiroshima university, Graduate School of Advanced Science and Engineering, Japan, 2022/04, 2025/03

Academic Degrees

  • Hiroshima University
  • Hiroshima University

Research Fields

  • Engineering;Material engineering;Material processing / Microstructural control engineering

Research Keywords

  • Welding, Additive manufacturing, Hot-wire, Image processing

Affiliated Academic Societies

Educational Activity

Course in Charge

  1. 2025, Undergraduate Education, Second Semester, Experiments in Mechanical Engineering II

Research Activities

Academic Papers

  1. Effect of Hardness Distribution on Strength of Narrow-Gap Hot-Wire Laser-Welded Joint for High-Tensile Strength Steel, Materials, 18(2), 20250101
  2. Development of automation and monitoring methods for narrow-gap hot-wire laser welding using camera images, Welding in the World, 69(1), 269-280, 20250101
  3. Development of Hot-Wire Laser Additive Manufacturing for Dissimilar Materials of Stainless Steel/Aluminum Alloys, Journal of Manufacturing and Materials Processing, 8(3), 20240601
  4. Selection of Welding Conditions for Achieving Both a High Efficiency and Low Heat Input for Hot-Wire Gas Metal Arc Welding, Journal of Manufacturing and Materials Processing, 8(2), 20240401
  5. Bead shape control in high-speed fillet welding using hot-wire GMA laser hybrid welding technology, Welding in the World, 67(5), 1259-1266, 20230501
  6. Development of Hot-wire Laser Narrow-gap Multilayer Welding Technology, Yosetsu Gakkai Shi/Journal of the Japan Welding Society, 92(7), 458-461, 20230101
  7. Effect of Bead Shape on Solidification Cracking during Hot-wire Laser Welding on Narrow-gap Joint of Ni-base Alloy, Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 42(2), 89-96, 20240101