2026 Ji-Jung Kai: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	67	5084	4920	1561	1555	314	17222

Overview

Ji-Jung Kai is affiliated with the City University of Hong Kong in China. Their research primarily spans the fields of Engineering and Materials Science, with a significant focus on several specialized subfields and main topics.

The main fields of study covered by Ji-Jung Kai include:

Engineering
Materials Science

Within these fields, the scientist's work extends to notable subfields such as:

Mechanical Engineering
Aerospace Engineering
Materials Chemistry
Biomedical Engineering
Renewable Energy, Sustainability and the Environment

Ji-Jung Kai's primary research focuses on topics including:

High Entropy Alloys Studies
High-Temperature Coating Behaviors
Additive Manufacturing Materials and Processes
Advanced Materials Characterization Techniques
Advanced materials and composites
High Temperature Alloys and Creep
Nuclear Materials and Properties

The scientist has contributed to several recent papers, notable examples are:

"Ultrahigh-strength and ductile superlattice alloys with nanoscale disordered interfaces" (2020), published in Science
"A Novel Multinary Intermetallic as an Active Electrocatalyst for Hydrogen Evolution" (2020), published in Advanced Materials
"Superior high-temperature properties and deformation-induced planar faults in a novel L12-strengthened high-entropy alloy" (2020), published in Acta Materialia
"Control of nanoscale precipitation and elimination of intermediate-temperature embrittlement in multicomponent high-entropy alloys" (2020), published in Acta Materialia
"Rugged High-Entropy Alloy Nanowires with in Situ Formed Surface Spinel Oxide As Highly Stable Electrocatalyst in Zn-Air Batteries" (2020), published in ACS Materials Letters

Frequent coauthors collaborating with Ji-Jung Kai include:

Tao Yang
Yilu Zhao
Shaofei Liu
Da Chen
Shijun Zhao

The scientist has published extensively in several key venues, with the most frequent publication outlets being:

SSRN Electronic Journal
Acta Materialia
Journal of Alloys and Compounds
Journal of Nuclear Materials
Corrosion Science

Best Publications

Multicomponent intermetallic nanoparticles and superb mechanical behaviors of complex alloys

T. Yang;Y. L. Zhao;Y. Tong;Z. B. Jiao

1501
Citations
Heterogeneous precipitation behavior and stacking-fault-mediated deformation in a CoCrNi-based medium-entropy alloy

Y. L. Zhao;T. Yang;Y. Tong;J. Wang

908
Citations
Outstanding tensile properties of a precipitation-strengthened FeCoNiCrTi0.2 high-entropy alloy at room and cryogenic temperatures

Y. Tong;D. Chen;B. Han;B. Han;J. Wang

622
Citations
Low-resistance ohmic contacts to p-type GaN achieved by the oxidation of Ni/Au films

Jin-Kuo Ho;Charng-Shyang Jong;Chien C. Chiu;Chao-Nien Huang

390
Citations
Ultrahigh-strength and ductile superlattice alloys with nanoscale disordered interfaces.

T Yang;Y. L. Zhao;WP Li;CY Yu

371
Citations
A Novel Multinary Intermetallic as an Active Electrocatalyst for Hydrogen Evolution.

Zhe Jia;Zhe Jia;Tao Yang;Ligang Sun;Ligang Sun;Yilu Zhao

336
Citations
The origin of negative stacking fault energies and nano-twin formation in face-centered cubic high entropy alloys

Y.H. Zhang;Y. Zhuang;A. Hu;J.J. Kai

311
Citations
Design of D022 superlattice with superior strengthening effect in high entropy alloys

Feng He;Feng He;Da Chen;Bin Han;Qingfeng Wu

294
Citations
Nanoparticles-strengthened high-entropy alloys for cryogenic applications showing an exceptional strength-ductility synergy

T. Yang;Y.L. Zhao;J.H. Luan;B. Han

294
Citations
Superior high-temperature properties and deformation-induced planar faults in a novel L12-strengthened high-entropy alloy

Y.L. Zhao;T. Yang;Y.R. Li;L. Fan

269
Citations
Production and in‐situ Metal Filling of Carbon Nanotubes in Water

Yu Lin Hsin;Kuo Chu Hwang;Fu-Rong Chen;Ji-Jung Kai

254
Citations
Development of high-strength Co-free high-entropy alloys hardened by nanosized precipitates

Y.L. Zhao;T. Yang;J.H. Zhu;D. Chen

253
Citations
Control of nanoscale precipitation and elimination of intermediate-temperature embrittlement in multicomponent high-entropy alloys

T. Yang;Y.L. Zhao;L. Fan;J. Wei;J. Wei

241
Citations
Rugged High-Entropy Alloy Nanowires with in Situ Formed Surface Spinel Oxide As Highly Stable Electrocatalyst in Zn–Air Batteries

Zeyu Jin;Juan Lyu;Yi-Lu Zhao;Huanglong Li

216
Citations
Air-oxidation of FeCoNiCr-based quinary high-entropy alloys at 700–900 °C

Wu Kai;C.C. Li;F.P. Cheng;K.P. Chu

197
Citations
The oxidation behavior of an equimolar FeCoNiCrMn high-entropy alloy at 950 °C in various oxygen-containing atmospheres

W. Kai;C.C. Li;F.P. Cheng;K.P. Chu

190
Citations
V2O5 nanowires as a functional material for electrochromic device

Keng-Che Cheng;Fu-Rong Chen;Ji-Jung Kai

189
Citations
Designing nanoparticles-strengthened high-entropy alloys with simultaneously enhanced strength-ductility synergy at both room and elevated temperatures

Unknown

187
Citations
Effect of moisture on corrosion of Ni-based alloys in molten alkali fluoride FLiNaK salt environments

Fan-Yi Ouyang;Chi-Hung Chang;Bo-Chien You;Tsung-Kuang Yeh

185
Citations
The effects of heat treatment on the chromium depletion, precipitate evolution, and corrosion resistance of INCONEL alloy 690

J. J. Kai;G. P. Yu;C. H. Tsai;M. N. Liu

185
Citations
Enhancement of ferromagnetic properties in Zn1−xCoxO by additional Cu doping

Hung-Ta Lin;Tsung-Shune Chin;Jhy-Chau Shih;Show-Hau Lin

181
Citations