Ikuo Ohnuma

10.7k total citations · 1 hit paper
173 papers, 8.8k citations indexed

About

Ikuo Ohnuma is a scholar working on Mechanical Engineering, General Materials Science and Materials Chemistry. According to data from OpenAlex, Ikuo Ohnuma has authored 173 papers receiving a total of 8.8k indexed citations (citations by other indexed papers that have themselves been cited), including 138 papers in Mechanical Engineering, 79 papers in General Materials Science and 56 papers in Materials Chemistry. Recurrent topics in Ikuo Ohnuma's work include Metallurgical and Alloy Processes (77 papers), Intermetallics and Advanced Alloy Properties (76 papers) and Electronic Packaging and Soldering Technologies (54 papers). Ikuo Ohnuma is often cited by papers focused on Metallurgical and Alloy Processes (77 papers), Intermetallics and Advanced Alloy Properties (76 papers) and Electronic Packaging and Soldering Technologies (54 papers). Ikuo Ohnuma collaborates with scholars based in Japan, China and Poland. Ikuo Ohnuma's co-authors include Ryosuke Kainuma, K. Ishida, Kiyohito Ishida, Toshihiro Omori, Jun Sato, X. J. Liu, K. Oikawa, Hiroshi Ohtani, Yuji Sutou and Osamu Ikeda and has published in prestigious journals such as Science, Applied Physics Letters and Acta Materialia.

In The Last Decade

Ikuo Ohnuma

169 papers receiving 8.3k citations

Hit Papers

Cobalt-Base High-Temperature Alloys 2006 2026 2012 2019 2006 250 500 750
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. Cobalt-Base High-Temperature Alloys
    2006 918 citations Toshihiro Omori, Ikuo Ohnuma et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ikuo Ohnuma Japan 48 6.8k 3.8k 1.8k 1.6k 1.3k 173 8.8k
Philip Nash United States 43 4.2k 0.6× 3.2k 0.8× 1.1k 0.6× 811 0.5× 567 0.4× 237 6.2k
Rainer Schmid‐Fetzer Germany 49 5.4k 0.8× 3.4k 0.9× 2.6k 1.5× 1.1k 0.7× 1.0k 0.8× 267 7.6k
Kiyohito Ishida Japan 45 4.2k 0.6× 3.8k 1.0× 964 0.5× 630 0.4× 632 0.5× 185 6.7k
Boris B. Straumal Russia 70 7.5k 1.1× 8.4k 2.2× 2.7k 1.5× 1.4k 0.9× 198 0.2× 375 11.9k
J. L. Murray United States 40 3.6k 0.5× 2.9k 0.8× 1.7k 0.9× 628 0.4× 421 0.3× 75 5.6k
N. Eustathopoulos France 51 4.2k 0.6× 2.8k 0.7× 1.5k 0.8× 1.9k 1.1× 233 0.2× 185 7.4k
Bengt Hallstedt Germany 41 3.0k 0.4× 2.5k 0.7× 871 0.5× 624 0.4× 427 0.3× 145 4.6k
M. E. Fine United States 49 5.4k 0.8× 3.5k 0.9× 1.8k 1.0× 1.5k 0.9× 232 0.2× 227 7.4k
R.E. Smallman United Kingdom 42 5.4k 0.8× 6.2k 1.6× 1.7k 1.0× 1.2k 0.7× 247 0.2× 184 10.0k
Sergiy V. Divinski Germany 44 6.2k 0.9× 4.4k 1.2× 2.5k 1.4× 479 0.3× 151 0.1× 263 7.8k

Countries citing papers authored by Ikuo Ohnuma

Since Specialization
Citations

This map shows the geographic impact of Ikuo Ohnuma'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 Ikuo Ohnuma with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ikuo Ohnuma more than expected).

Fields of papers citing papers by Ikuo Ohnuma

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ikuo Ohnuma. 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 Ikuo Ohnuma. The network helps show where Ikuo Ohnuma may publish in the future.

Co-authorship network of co-authors of Ikuo Ohnuma

This figure shows the co-authorship network connecting the top 25 collaborators of Ikuo Ohnuma. A scholar is included among the top collaborators of Ikuo Ohnuma 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 Ikuo Ohnuma. Ikuo Ohnuma 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
1.
Ohnuma, Ikuo, et al.. (2023). Current Status and Future Scope of Phase Diagram Studies. ISIJ International. 63(3). 407–418. 2 indexed citations
2.
Han, Kwangsik, et al.. (2022). Experimental determination of phase diagram involving silicides in the Fe-Si binary system. Journal of Alloys and Compounds. 919. 165810–165810. 16 indexed citations
3.
Terayama, Kei, Kwangsik Han, Ikuo Ohnuma, et al.. (2021). Acceleration of phase diagram construction by machine learning incorporating Gibbs' phase rule. Scripta Materialia. 208. 114335–114335. 22 indexed citations
4.
Ode, Machiko & Ikuo Ohnuma. (2021). A thermal fluctuation-based nucleation method for phase-field models. Computational Materials Science. 194. 110448–110448. 3 indexed citations
5.
Han, Kwangsik, et al.. (2020). Experimental determination of phase diagram at 450 °C in the Zn–Fe–Al ternary system. Journal of Alloys and Compounds. 854. 157163–157163. 12 indexed citations
6.
Ohnuma, Ikuo & Kiyohito Ishida. (2014). Phase Diagrams and Alloy Design: Progress and Applications. Tetsu-to-Hagane. 100(9). 1050–1061. 2 indexed citations
7.
Kainuma, Ryosuke, Tomoyuki Sasaki, Ikuo Ohnuma, & Kiyohito Ishida. (2009). Microstructures and Concentration Profiles Formed between Solid Fe and Liquid Zn-0.2wt%Al Alloy at 723K. Tetsu-to-Hagane. 95(4). 355–360. 2 indexed citations
8.
Omori, Toshihiro, et al.. (2009). Phase Equilibria and Ternary Intermetallic Compound with L12 Structure in Co-W-Ga System. Journal of Phase Equilibria and Diffusion. 30(6). 587–594. 26 indexed citations
9.
Cui, Yujie, Reìzo Kato, Toshihiro Omori, et al.. (2009). Revisiting diffusion in Fe–Al intermetallics: Experimental determination and phenomenological treatment. Scripta Materialia. 62(4). 171–174. 26 indexed citations
10.
Omori, Toshihiro, et al.. (2007). . Materia Japan. 46(2). 88–89. 1 indexed citations
11.
Wang, C.P., Xingjun Liu, Ikuo Ohnuma, Ryosuke Kainuma, & K. Ishida. (2007). Thermodynamic assessments of the Cu–Mn–X (X: Fe, Co) systems. Journal of Alloys and Compounds. 438(1-2). 129–141. 41 indexed citations
12.
Yamada, Yuri, Y. Takaku, Yuji Yagi, et al.. (2006). Pb-free high temperature solders for power device packaging. Microelectronics Reliability. 46(9-11). 1932–1937. 76 indexed citations
13.
Ohnuma, Ikuo, Ryosuke Kainuma, & Kiyohito Ishida. (2006). Carbide Dispersion Carburizing (CDC) of Fe-Mo-V Based High-speed Steels. ISIJ International. 46(2). 310–315. 3 indexed citations
14.
Liu, Xingjun, et al.. (2005). THERMODYNAMIC CALCULATION OF PHASE DIAGRAM AND PHASE STABILITY WITH NANO-SIZE PARTICLES. International Journal of Modern Physics B. 19(15n17). 2645–2650. 10 indexed citations
15.
Liu, Xingjun, et al.. (2003). Egg-type Core Structures Formed in Atomized Powders of Immiscible Alloy Systems. DENKI-SEIKO. 74(4). 221–226.
16.
Ohnuma, Ikuo, Ryosuke Kainuma, & Kiyohito Ishida. (2002). Effect of the interaction between the chemical and the magnetic ordering on the phase equilibria of iron base alloys. 4(2). 110–110. 1 indexed citations
17.
Ohnuma, Ikuo, et al.. (2001). . Materia Japan. 40(3). 295–297. 1 indexed citations
18.
Ohnuma, Ikuo. (1999). Computer Simulation of Grain Growth in Polycrystalline Structures.. Materia Japan. 38(8). 610–614. 2 indexed citations
19.
Ohnuma, Ikuo, Cláudio Geraldo Schön, Ryosuke Kainuma, Gerhard Inden, & K. Ishida. (1998). Ordering and phase separation in the b.c.c. phase of the Fe–Al–Ti system. Acta Materialia. 46(6). 2083–2094. 85 indexed citations
20.
Ishikawa, Kazuhiro, et al.. (1998). Phase equilibria and stability of the bcc aluminide in the Co‐Cr‐Al system. Berichte der Bunsengesellschaft für physikalische Chemie. 102(9). 1206–1210. 33 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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