• 10080 Citations
  • 45 h-Index
1974 …2019
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Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

  • 2 Similar Profiles
Electric space charge Engineering & Materials Science
Low density polyethylenes Engineering & Materials Science
Dielectric properties Engineering & Materials Science
Polyethylenes Engineering & Materials Science
Permittivity Engineering & Materials Science
Nanocomposites Engineering & Materials Science
Cables Engineering & Materials Science
Ethylene Engineering & Materials Science

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Research Output 1974 2019

  • 10080 Citations
  • 45 h-Index
  • 340 Article
  • 268 Conference contribution
  • 23 Chapter
  • 1 Comment/debate
Flame retardants
Nuclear power plants
Polyethylenes
Aging of materials
Permittivity

Broadband Far-infrared Spectroscopic Identification and Quantification of Antioxidants in Polymeric Insulation

Ogishima, T., Kozai, T., Hirai, N. & Ohki, Y., 2019 Feb 13, ICHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application. Institute of Electrical and Electronics Engineers Inc., 8641948. (ICHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antioxidants
Insulation
Infrared radiation
Low density polyethylenes
Infrared absorption

Degradation of silicone rubber analyzed by instrumental analyses and dielectric spectroscopy

Ohki, Y., Hirai, N., Min, D., Yang, L. & Li, S., 2019 Jan 1, Minerals, Metals and Materials Series. Springer International Publishing, p. 1323-1332 10 p. (Minerals, Metals and Materials Series).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicone Elastomers
Dielectric spectroscopy
Silicones
Rubber
Degradation

Evaluation of Aging Status of Flame-retardant Cross-linked Polyethylene by Measuring Indenter Modulus

Yang, Z., Hirai, N. & Ohki, Y., 2019 Apr 1, ICEMPE 2019 - 2nd International Conference on Electrical Materials and Power Equipment, Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 57-60 4 p. 8727348. (ICEMPE 2019 - 2nd International Conference on Electrical Materials and Power Equipment, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Flame Retardants
Polyethylene
Flame retardants
Polyethylenes
Aging of materials

First magnetic resonance imaging under three tesla magnetic field

Ohki, Y., 2019 Jan 1, In : IEEE Electrical Insulation Magazine. 35, 1, p. 55-58 4 p., 8575687.

Research output: Contribution to journalArticle

Magnetic resonance
Magnetic resonance imaging
Deterioration
Magnetic fields
Imaging techniques