Shigeharu Ukai

10.9k total citations · 1 hit paper
296 papers, 8.8k citations indexed

About

Shigeharu Ukai is a scholar working on Materials Chemistry, Aerospace Engineering and Mechanical Engineering. According to data from OpenAlex, Shigeharu Ukai has authored 296 papers receiving a total of 8.8k indexed citations (citations by other indexed papers that have themselves been cited), including 268 papers in Materials Chemistry, 120 papers in Aerospace Engineering and 117 papers in Mechanical Engineering. Recurrent topics in Shigeharu Ukai's work include Fusion materials and technologies (213 papers), Nuclear Materials and Properties (197 papers) and High-Temperature Coating Behaviors (68 papers). Shigeharu Ukai is often cited by papers focused on Fusion materials and technologies (213 papers), Nuclear Materials and Properties (197 papers) and High-Temperature Coating Behaviors (68 papers). Shigeharu Ukai collaborates with scholars based in Japan, United States and China. Shigeharu Ukai's co-authors include Masayuki Fujiwara, Satoshi Ohtsuka, T. Okuda, Akihiko Kimura, Shigenari Hayashi, Naoko Oono, Takeji Kaito, Somei Ohnuki, Masakí Inoue and Toshimi Kobayashi and has published in prestigious journals such as Acta Materialia, Materials Science and Engineering A and Journal of Materials Science.

In The Last Decade

Shigeharu Ukai

292 papers receiving 8.5k citations

Hit Papers

Perspective of ODS alloys application in nuclear environm... 2002 2026 2010 2018 2002 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Perspective of ODS alloys application in nuclear environments
    2002 673 citations Shigeharu Ukai, Masayuki Fujiwara Journal of Nuclear Materials profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Shigeharu Ukai Japan 49 7.8k 3.5k 3.0k 1.4k 939 296 8.8k
P.J. Maziasz United States 44 4.7k 0.6× 4.5k 1.3× 1.8k 0.6× 840 0.6× 1.1k 1.2× 203 6.9k
G.R. Odette United States 50 6.8k 0.9× 3.0k 0.9× 1.2k 0.4× 1.2k 0.9× 1.4k 1.5× 157 7.8k
S.A. Maloy United States 47 6.4k 0.8× 3.6k 1.0× 1.7k 0.6× 1.5k 1.1× 581 0.6× 263 8.0k
G.R. Odette United States 38 4.9k 0.6× 2.4k 0.7× 910 0.3× 973 0.7× 792 0.8× 141 5.8k
Jeremy T. Busby United States 35 4.0k 0.5× 2.0k 0.6× 886 0.3× 713 0.5× 900 1.0× 90 4.8k
Lizhen Tan United States 36 3.2k 0.4× 2.5k 0.7× 1.7k 0.6× 718 0.5× 628 0.7× 106 4.8k
R.L. Klueh United States 44 6.6k 0.9× 4.2k 1.2× 1.3k 0.4× 1.4k 1.0× 1.5k 1.6× 169 7.9k
Hiroyasu Tanigawa Japan 35 3.8k 0.5× 2.2k 0.6× 763 0.3× 1.1k 0.8× 642 0.7× 237 4.7k
Thak Sang Byun United States 43 3.9k 0.5× 2.8k 0.8× 611 0.2× 1.3k 0.9× 1.1k 1.1× 129 5.1k
Kumar Sridharan United States 40 3.4k 0.4× 2.4k 0.7× 2.2k 0.7× 613 0.5× 312 0.3× 163 5.2k

Countries citing papers authored by Shigeharu Ukai

Since Specialization
Citations

This map shows the geographic impact of Shigeharu Ukai's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Shigeharu Ukai with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Shigeharu Ukai more than expected).

Fields of papers citing papers by Shigeharu Ukai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Shigeharu Ukai. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Shigeharu Ukai. The network helps show where Shigeharu Ukai may publish in the future.

Co-authorship network of co-authors of Shigeharu Ukai

This figure shows the co-authorship network connecting the top 25 collaborators of Shigeharu Ukai. A scholar is included among the top collaborators of Shigeharu Ukai based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Shigeharu Ukai. Shigeharu Ukai is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
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Ukai, Shigeharu, Tetsuya Hirade, & N. Okubo. (2024). Positron annihilation lifetime spectroscopy of FeCr and FeCrAl oxide dispersion strengthened (ODS) alloys. Materials Characterization. 211. 113813–113813. 3 indexed citations
4.
Thinaharan, C., et al.. (2024). Comparison of the corrosion behaviour of 10Cr and 17Cr Al added ODS steel in simulated reprocessing nitric acid medium. Journal of Nuclear Materials. 599. 155258–155258. 1 indexed citations
5.
Yu, Hao, et al.. (2023). Contribution of Y2O3/Hf co-doping to alumina scale growth on oxide dispersion strengthened Co-based superalloy. Corrosion Science. 227. 111775–111775. 3 indexed citations
6.
Zhang, Shenghua, Shigenari Hayashi, Shigeharu Ukai, & Naoko Oono. (2021). Effect of Co addition on the high-temperature oxidation behavior of oxide-dispersion-strengthened FeCrAl alloys. Corrosion Science. 184. 109391–109391. 18 indexed citations
7.
Hayashi, Shigenari, et al.. (2016). Mechanism of Magnetite Seam Formation and its Role for FeO Scale Transformation. Oxidation of Metals. 86(3-4). 315–326. 20 indexed citations
8.
Abe, Yosuke, Tomohito Tsuru, Shi Shi, Naoko Oono, & Shigeharu Ukai. (2016). Effect of the dilation caused by helium bubbles on edge dislocation motion in α-iron: molecular dynamics simulation. Journal of Nuclear Science and Technology. 53(10). 1528–1534. 13 indexed citations
9.
Hayashi, Shigenari, et al.. (2016). Effect of Mn on Isothermal Transformation of Thermally Grown FeO Scale Formed on Fe–Mn Alloys. Oxidation of Metals. 87(1-2). 125–138. 18 indexed citations
10.
Narita, Takeshi, Shigeharu Ukai, Takeji Kaito, Satoshi Ohtsuka, & Masayuki Fujiwara. (2005). Development of Manufacturing Process of PNC-FMS Wrapper Tube with SUS316 Short Joint. Journal of Nuclear Science and Technology. 42(9). 825–832. 1 indexed citations
11.
Ukai, Shigeharu, et al.. (2005). Oxide Dispersion Strengthened (ODS) Fuel Pins Fabrication for BOR-60 Irradiation Test. Journal of Nuclear Science and Technology. 42(1). 109–122. 3 indexed citations
12.
Ukai, Shigeharu & Satoshi Ohtsuka. (2005). Nano-mesoscopic Structure Control in 9Cr-ODS Ferritic-martensitic Steels. Materia Japan. 44(9). 749–756. 4 indexed citations
13.
Ukai, Shigeharu, et al.. (2004). Empirical Correlation of Specimen Size Effects in Charpy Impact Properties of 11Cr-0.5Mo-2W, V, Nb Ferritic-Martensitic Stainless Steel. Journal of Nuclear Science and Technology. 41(10). 973–980. 9 indexed citations
14.
Ishii, Tetsuya, et al.. (2004). Thermal Conductivities of Granular UO2Compacts with/without Uranium Particles. Journal of Nuclear Science and Technology. 41(12). 1204–1210. 3 indexed citations
15.
Ishii, Tetsuya, et al.. (2004). Thermal Conductivities of Granular UO2 Compacts with/without Uranium Particles. Journal of Nuclear Science and Technology. 41(12). 1204–1210. 2 indexed citations
16.
Ukai, Shigeharu, et al.. (2004). Empirical Correlation of Specimen Size Effects in Charpy Impact Properties of 11Cr-0.5Mo-2W, V, Nb Ferritic-Martensitic Stainless Steel. Journal of Nuclear Science and Technology. 41(10). 973–980. 5 indexed citations
17.
Ukai, Shigeharu, et al.. (1998). Irradiation performance of FBR Monju-type fuel with modified type 316 stainless steel at high burnup. Transactions of the American Nuclear Society. 79. 2 indexed citations
18.
Abe, Yasuhiro, et al.. (1997). Effects of Neutron Irradiation on Tensile and Creep Properties of Stainless Steels.. Journal of the Society of Materials Science Japan. 46(5). 500–505. 5 indexed citations
19.
Okada, Hirokazu, Shigeharu Ukai, & Masakí Inoue. (1996). Effects of Grain Morphology and Texture on High Temperature Deformation in Oxide Dispersion Strengthened Ferritic Steels.. Journal of Nuclear Science and Technology. 33(12). 936–943. 10 indexed citations
20.
Ukai, Shigeharu, et al.. (1994). Development of Computer Code SAFFRON for Evaluating Breached Pin Performance in FBR's. Journal of Nuclear Science and Technology. 31(7). 662–670. 2 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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