Ibaraki University's
Graduate School of Science and Engineering (Engineering)
Department of Materials Science and Engineering

Professor

OHTA Hiromichi


Career

  1. Associate Professor at Department of Materials Science,Faculty of Engineering, Ibaraki University 2008/09/01-Present

Academic background

  1. Tohoku University Graduate School, Division of Engineering Department of Metallurgy Doctor course 1984/03 Completed

Academic degrees

  1. Doctor of Eng. Tohoku University 1984/03

Current state of research and teaching activities

Measurement of thermal properties of solid and liquid at high temperature.
Measurement and evaluation of thermal properties of composite materials.

Research Areas

  1. Metal Productive Engineering
  2. Composed Materials and Properties
  3. Electronic Measurements
  4. Heat Engineering

Research keywords

  1. Thermophysical properties, Thermoreflectance, Laser flash method, thermal conductivity, Thermal diffusivity

Subject of research

  1. 熱物性、複合材料

Bibliography

  1. Thermal Conductivity and Diffusivity Measurements: Molten Salt Techniques Vol.4 (Eds. David Lovering and Robert Gale) H.Ohta and Y.Waseda Plenum Publishing 1991
  2. 融体材料の熱拡散率測定 太田弘道、柴田浩幸、早稲田嘉夫 最新熱測定―基礎から応用まで―,八田一郎 監修・アルバック理工 編集(アグネ技術センター) 2003/11
  3. Thermal Diffusivity Measurements of Oxide and Metallic Melts at High Temperature by the Laser Flash Method : High-Temperature Measurements of Materials (Advances in Materials Research) Vol. 11 (Eds. H.Fukuyama, Y.Waseda) Hiroyuki Shibata, Hiromichi Ohta, and Yoshio Waseda Springer 2008/10

Papers

  1. Research paper (scientific journal) Joint Effect of Amount of Chunky Graphite on Mechanical Properties of Spheroidal-Graphite Cast Iron H. Nakayama, B.-R. Zhao, N. Furusato, S. Yamada, T. Nishi, H. Ohta Matarial Transactions 59/ 3, 412-419 2018/03/01
  2. Research paper (scientific journal) Joint Estimation of thermal conductivity of silicate melts using three-dimensional thermal resistor network model T. Nishi, H. Ohta, S. Sukenaga, H. Shibata Journal of Non-Crystalline Solids 482, 9-13 2018/02/15 10.1016/j.jnoncrysol.2017.11.014
  3. Research paper (scientific journal) Joint Thermal microscope measurement of thermal effusivity distribution in compositionally graded PbTe–Sb2Te3–Ag2Te alloy system T. Nishi, S. Yamamoto, M. Okawa, K. Hatori, T. Ikeda, H. Ohta Thermochimica Acta 659, 39-43 2018/01/10
  4. Research paper (scientific journal) Joint Wide-range measurement of thermal effusivity using molybdenum thin film with low thermal conductivity for thermal microscopes Miyake, Shugo; Matsui, Genzou; Ohta, Hiromichi; Hatori, Kimihito; Taguchi, Kohei; Yamamoto, Suguru Measurement Science and Technology IOP 28/ 7, article id. 075006 2017/06/19 10.1088/1361-6501/aa72d0
  5. Research paper (scientific journal) Joint 鉛フリーはんだの粘度測定の現状および今後の課題 橋本康孝,西 剛史,太田弘道 日本金属学会誌 81/ 5, 221-225 2017/03/01 10.2320/jinstmet.J2016066

Research presentations

  1. Poster presentation 表面加熱・表面測温レーザフラッシュ法による二層試料の熱物性測定法の開発 日本金属学会2018年春期(第162回)講演大会 2018/03/19
  2. Poster presentation SiO2-AlO1.5-R2O(R=Li,Na)融体状態およびガラス状態の熱伝導率 日本金属学会2018年春期(第162回)講演大会 2018/03/19
  3. Poster presentation 溶融ステンレス鋼を用いたるつぼ回転粘度測定装置の整備 日本金属学会2018年春期(第162回)講演大会 2018/03/19
  4. Poster presentation レーザフラッシュ法を用いたプラスチック材料の熱拡散率測定 日本金属学会2018年春期(第162回)講演大会 2018/03/19
  5. Poster presentation 高熱伝導放熱シートの熱拡散率分布測定 日本金属学会2018年春期(第162回)講演大会 2018/03/19

Intellectual property rights

  1. Patent 熱拡散率測定装置 2013-31452 2013/02/20

Prizes

  1. 26回 優秀ポスター賞受賞 鉛フリーはんだの粘度測定システムの開発 2016/03/23
  2. Nishiyama Memorial Prize from lron Steel Inst. 2000
  3. Honda Memorial Encouraging Prize from Honda Memorial Society 1987

Memberships of academic societies

  1. 日本熱物性学会
  2. 日本鉄鋼協会
  3. 日本セラミック協会
  4. 日本金属学会

Committee Career

  1. 日本鉄鋼協会 評議員 2012/04/01-2014/03/31
  2. 日本金属学会 評議員 2012/04/01-2013/03/31
  3. 日本金属学会 代議員 2012/04/01-2013/03/31
  4. 日本熱物性学会 幹事 2009/04/01-2011/03/31
  5. 日本金属学会 評議員 2007/04/01-2008/03/31