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Dive into the research topics where Hajime Mitsui is active.

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Featured researches published by Hajime Mitsui.


Materials Science Forum | 2005

A Thermodynamic Database for Fe-Cr-Mn-Ni-Ti-S-C-N System

Katsunari Oikawa; Hajime Mitsui; K. Ishida

A database for thermodynamic information of sulfides and carbo-sulfide in steels has been developed, where the thermodynamic properties of the relevant constituting sub-system of the complex system have been assessed by the CALPHAD (Calculation of Phase Diagrams) approach. The utility of this database is demonstrated in examples of phase diagram calculations of low carbon steels and stainless steels. The calculated results are in good agreement with experimental data. The developed thermodynamic database would be useful in predicting the formation of sulfides and carbo-sulfides in the commercial steels.


Acta Materialia | 2000

Phase equilibria in the Ti–Al binary system

Ikuo Ohnuma; Yonehaura Fujita; Hajime Mitsui; Kazuhiro Ishikawa; R. Kainuma; K. Ishida


Isij International | 2000

Thermodynamic Calculations of Phase Equilibria in the Fe–Cr–S System

K. Oikawa; Hajime Mitsui; Hiroshi Ohtani; K. Ishida


Isij International | 2002

Morphology of sulfide formed in the Fe-Cr-S ternary alloys

Hajime Mitsui; Katsunari Oikawa; Ikuo Ohnuma; R. Kainuma; K. Ishida


Isij International | 2002

A New Pb-free Machinable Ferritic Stainless Steel

Katsunari Oikawa; Hajime Mitsui; Takashi Ebata; Tsunemi Takiguchi; Tetsuya Shimizu; Koichi Ishikawa; Toshiharu Noda; Michio Okabe; K. Ishida


Isij International | 2007

Solution nitriding treatment of Fe-Cr alloys under pressurized nitrogen gas

Hajime Mitsui; Shinsuke Kurihana


Isij International | 2009

Phase Equilibria in FeS–XS and MnS–XS (X=Ti, Nb and V) Systems

Hajime Mitsui; Tomoyuki Sasaki; Katsunari Oikawa; K. Ishida


Acta Materialia | 2000

Phase equilibria in the TiAl binary system

Ikuo Ohnuma; Yonehaura Fujita; Hajime Mitsui; Kazuhiro Ishikawa; R. Kainuma; K. Ishida


Advanced Engineering Materials | 2004

New type of Pb‐free Machinable Soft‐Magnetic Stainless Steels with Dispersed Titanium Carbo‐Sulfide

Takashi Ebata; Tsunemi Takiguchi; Tetsuya Shimizu; Katsunari Oikawa; Hajime Mitsui; K. Ishida


Isij International | 2009

Solubility Products of VS and NbS in Iron Alloys

Katsunari Oikawa; Tomoyuki Sasaki; Hajime Mitsui; K. Ishida

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K. Oikawa

National Institute of Advanced Industrial Science and Technology

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Hiroshi Ohtani

Kyushu Institute of Technology

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