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Dive into the research topics where Tomohiro Maruko is active.

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Featured researches published by Tomohiro Maruko.


Materials Science Forum | 2005

Solid Solution Hardening Effect of Ir

Yoko Yamabe-Mitarai; Tomohiro Maruko; Tomoaki Miyazawa; Tosiyuki Morino

Solid solution hardening effects of Ir was investigated to develop high temperature materials at 2223 K. Pt, Rh, Hf, and Zr were chosen as second elements because their solubility into Ir at 2223 K is over 2at% and the melting temperatures of Ir solid solution are above 2273 K. Compressive strength of Ir solid solution at 2223K were investigated. Solid solution hardening effect of Ir is discussed in terms of lattice parameter change and solubility,


Archive | 2007

Method for welding metal material

Hidetoshi Fujii; Tomohiro Maruko


Archive | 2009

Metal material processing method, structure processed using metal material processing method and rotary tool

Hidetoshi Fujii; Tomoaki Miyazawa; Tomohiro Maruko; Takeshi Ishikawa; Kazuo Genchi


Archive | 2007

TOOL FOR FRICTION STIR WELDING, METHOD OF WELDING WITH THE SAME, AND PROCESSED OBJECT OBTAINED BY THE SAME

Tomohiro Maruko; Toshiyuki Morino; Tomoaki Miyazawa


Quarterly Journal of The Japan Welding Society | 2011

Development of high strength Ir based tool for friction stir welding

Tomoaki Miyazawa; Yuichi Iwamoto; Tomohiro Maruko; Hidetoshi Fujii


Archive | 2009

Metal material machining method, and structure and rotary tool machined using metal material machining method

Hidetoshi Fujii; 藤井 英俊; Tomoaki Miyazawa; 智明 宮澤; Tomohiro Maruko; 丸子 智弘; Takeshi Ishikawa; 武 石川; Kazuo Genchi; 一夫 玄地


Archive | 2006

Friction stir welding tool, welding method with the same, and works produced by the method

Tomohiro Maruko; Toshiyuki Morino; Tomoaki Miyazawa; Akinori Hoshino; Yusuke Takaishi


Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2011

Steady state creep behavior of zirconia dispersion strengthened platinum alloys in medium stress regime

Nobuaki Sekido; Akinori Hoshino; Masahiro Fukuzaki; Yoko Yamabe-Mitarai; Tomohiro Maruko


Journal of Phase Equilibria and Diffusion | 2011

Interdiffusion in the Ir-Rich Solid Solutions of Ir-Pt, Ir-Rh, and Ir-Re Binary Alloys

Nobuaki Sekido; Akinori Hoshino; Masahiro Fukuzaki; Tomohiro Maruko; Yoko Yamabe-Mitarai


Quarterly Journal of The Japan Welding Society | 2010

Development of Ir based tool for friction stir welding of high temperature materials

Tomoaki Miyazawa; Yuichi Iwamoto; Tomohiro Maruko; Hidetoshi Fujii

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Yoko Yamabe-Mitarai

National Institute for Materials Science

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Nobuaki Sekido

National Institute for Materials Science

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Go Fujii

Japan Aerospace Exploration Agency

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Hideyuki Murakami

National Institute for Materials Science

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Hirohide Ikeda

Japan Aerospace Exploration Agency

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Kazuya Shimoda

National Institute for Materials Science

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