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Shigeharu Ukai

Shigeharu Ukai

D-Index & Metrics

Materials Science

D-Index
60
Citations
12129
World Ranking
7104
National Ranking
387

Overview

Shigeharu Ukai is affiliated with Hokkaido University in Japan. The scientist's research primarily centers around materials science and engineering, with a significant focus on nuclear materials and properties as well as fusion materials and technologies.

The scientific work spans main fields including:

  • Materials Science
  • Engineering

Subfields of study cover:

  • Materials Chemistry
  • Mechanical Engineering
  • Aerospace Engineering
  • Metals and Alloys
  • Computational Mechanics

The main research topics include:

  • Nuclear Materials and Properties
  • Fusion materials and technologies
  • High Temperature Alloys and Creep
  • High-Temperature Coating Behaviors
  • Hydrogen embrittlement and corrosion behaviors in metals
  • Nuclear reactor physics and engineering
  • Advanced materials and composites

Shigeharu Ukai has contributed to numerous publications in well-known academic venues, with frequent appearances in:

  • Journal of Nuclear Materials
  • SSRN Electronic Journal
  • Materials Science and Engineering A
  • Nuclear Materials and Energy
  • Corrosion Science

Recent papers authored or co-authored by Shigeharu Ukai include:

  • High-temperature creep deformation in FeCrAl-oxide dispersion strengthened alloy cladding, 2020, Materials Science and Engineering A
  • Alloy design and characterization of a recrystallized FeCrAl-ODS cladding for accident-tolerant BWR fuels: An overview of research activity in Japan, 2023, Journal of Nuclear Materials
  • Dislocation-climbing bypass over dispersoids with different lattice misfit in creep deformation of FeCrAl oxide dispersion-strengthened alloys, 2021, Journal of Materials Research and Technology

In addition, Ukai has collaborated with several frequent co-authors, including:

  • Naoko Oono
  • Ryuta Kasada
  • Hao Yu
  • Sosuke Kondo
  • Shinichiro Yamashita

Their scientific endeavors focus extensively on the design, characterization, and high-temperature performance of oxide dispersion-strengthened (ODS) alloys, particularly FeCrAl-based materials, which are relevant for accident-tolerant fuels in boiling water reactors (BWRs). Research includes studies on creep deformation mechanisms and development of protective alumina scales on ODS alloys.

Best Publications

  • Perspective of ODS alloys application in nuclear environments

    Shigeharu Ukai;Masayuki Fujiwara

  • Alloying design of oxide dispersion strengthened ferritic steel for long life FBRs core materials

    S. Ukai;M. Harada;H. Okada;M. Inoue

  • Development of Al added high-Cr ODS steels for fuel cladding of next generation nuclear systems

    A. Kimura;R. Kasada;N. Iwata;H. Kishimoto

  • Materials for future nuclear energy systems

    G.S. Was;D. Petti;S. Ukai;S. Zinkle

  • Development of Oxide Dispersion Strengthened Ferritic Steels for FBR Core Application, (I): Improvement of Mechanical Properties by Recrystallization Processing

    Shigeharu Ukai;Toshio Nishida;Hirokazu Okada;Takanari Okuda

  • Characterization of high temperature creep properties in recrystallized 12Cr-ODS ferritic steel claddings

    Shigeharu Ukai;Takanari Okuda;Masayuki Fujiwara;Toshimi Kobayashi

  • Development of 9Cr-ODS Martensitic Steel Claddings for Fuel Pins by means of Ferrite to Austenite Phase Transformation

    Shigeharu Ukai;Shunji Mizuta;Masayuki Fujiwara;Takanari Okuda

  • Development of Oxide Dispersion Strengthened Ferritic Steels for FBR Core Application, (I)

    Shigeharu Ukai;Toshio Nishida;Hirokazu Okada;Takanari Okuda

  • TEM and HRTEM study of oxide particles in an Al-alloyed high-Cr oxide dispersion strengthened steel with Zr addition

    Peng Dou;Akihiko Kimura;Ryuta Kasada;Takanari Okuda

  • Tube manufacturing and mechanical properties of oxide dispersion strengthened ferritic steel

    S. Ukai;M. Harada;H. Okada;M. Inoue

  • Tube manufacturing and characterization of oxide dispersion strengthened ferritic steels

    Shigeharu Ukai;Shunji Mizuta;Tunemitsu Yoshitake;Takanari Okuda

  • R&D of oxide dispersion strengthened ferritic martensitic steels for FBR

    S. Ukai;T. Nishida;T. Nishida;T. Okuda;T. Yoshitake

  • Corrosion properties of oxide dispersion strengthened steels in super-critical water environment

    H.S Cho;A Kimura;S Ukai;M Fujiwara

  • Formation of nanoscale complex oxide particles in mechanically alloyed ferritic steel

    S. Yamashita;S. Ohtsuka;N. Akasaka;S. Ukai

  • Improvement of 9Cr-ODS martensitic steel properties by controlling excess oxygen and titanium contents

    S Ohtsuka;S Ukai;M Fujiwara;T Kaito

  • High-temperature strength characterization of advanced 9Cr-ODS ferritic steels

    S. Ukai;S. Ukai;S. Ohtsuka;T. Kaito;H. Sakasegawa

  • High Burnup Fuel Cladding Materials R&D for Advanced Nuclear Systems: Nano-sized oxide dispersion strengthening steels

    Akihiko Kimura;Han Sik Cho;Naoki Toda;Ryuta Kasada

  • Y2O3 evolution and dispersion refinement in Co-base ODS alloys

    Lin Zhang;Shigeharu Ukai;Takeshi Hoshino;Shigenari Hayashi

  • Polymorphic and coherency transition of Y-Al complex oxide particles with extrusion temperature in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel

    P. Dou;A. Kimura;T. Okuda;M. Inoue

  • Production and Properties of Nano-scale Oxide Dispersion Strengthened (ODS) 9Cr Martensitic Steel Claddings

    Shigeharu Ukai;Takeji Kaito;Satoshi Ohtsuka;Tsuyoshi Narita

Frequent Co-Authors

Akihiko Kimura
Akihiko Kimura Kyoto University
Fujio Abe
Fujio Abe National Institute for Materials Science
Akira Kohyama
Akira Kohyama Muroran Institute of Technology
Todd R. Allen
Todd R. Allen University of Michigan–Ann Arbor
Lin Shao
Lin Shao Texas A&M University
Gary S. Was
Gary S. Was University of Michigan–Ann Arbor
Kumar Sridharan
Kumar Sridharan University of Wisconsin–Madison
Suntharampillai Thevuthasan
Suntharampillai Thevuthasan Pacific Northwest National Laboratory
Stuart A. Maloy
Stuart A. Maloy Pacific Northwest National Laboratory
Steven J. Zinkle
Steven J. Zinkle University of Tennessee at Knoxville

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