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Researchers
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SHIBUTANI Tadahiro
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【Published Thesis】 Pressure induced tin whisker formation 2008.06
【Published Thesis】 IoT-Based Prognostics and Systems Health Management for Industrial Applications 2016.07
【Published Thesis】 Evaluation of Interface Strength Between Thin Films Fabricated on a Silicon Substrate for an Advanced LSI on the basis of Fracture Mechanics Concept 2003.07
【Published Thesis】 Benchmark Analyses on the Elastic-Plastic Behavior of Carbon Steel Pipes Under Seismic Load 2020.04
【Published Thesis】 Verification of appropriate life parameters in risk and reliability quantifications of process hazards 2019.07
Kyoto University Department of Engineering Physics and Mechanics Doctor Course Completed
Kyoto University Department of Engineering of Physics Graduated
Doctor of Engineering - Kyoto University
Concurrently Yokohama National UniversityInstitute for Multidisciplinary Sciences Center for Creation of Symbiosis Society with Risk Center Director
Duty Yokohama National UniversityInstitute for Multidisciplinary Sciences Professor
Duty Yokohama National UniversityInstitute of Advanced Sciences Center for Creation of Symbiosis Society with Risk Professor
Duty Yokohama National UniversityInstitute of Advanced Sciences Center for Creation of Symbiosis Society with Risk Associate Professor
Duty Yokohama National UniversityCenter for Creation of Symbiosis Society with Risk Associate Professor
Senior Scientific Research Specialist, MEXT
University of Maryland Visiting scholar
Japan Society of Mechanical Engineering
Japan Society for Safety Engineering
Japan Society of Material Science
Japan Institute of Electronics Packaging
HPI
Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Social systems engineering
Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Safety engineering
Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Mechanics of materials and materials
Mechanism of Fracture due to Atom Migration in Small Structures
Project Year： 1998.4 - 2000.9
機構－構造連成信頼性評価シミュレーターの開発
Project Year：
Reliability of Micro Joints in Electronics Packaging
Grant-in-Aid for Scientific Research
Project Year：
Evaluation of Interfacial Strength between Thin Films
Grant-in-Aid for Scientific Research
Project Year：
Mitigating Tin Whisker Risks: Chapter 9 Mechanically induced tin whiskers
Tadahiro Shibutani, Michael Osterman（ Role： Contributor , Chapter 9 Mechanically induced tin whiskers）
Wiley
Language：English Book type：Scholarly book
This chapter discusses the pressure-induced whisker at separable interfaces as a key reliability issue of lead-free separable contacts and connectors. It shows theories of mechanically induced tin whiskers. Then, several case studies with pure tin and lead-free finishes were performed to evaluate pressure-induced tin whiskers. For electronics components, several factors affect the stress field of the finish: (i) thickness of the plating, (ii) structure of the ambient component material, and (iii) material microstructures. As a methodology for the assessment of pressure-induced tin whisker formation, the creep-based tin whisker formation model shows good results. Several connectors with tin or tin-rich alloy finishes were assessed by means of the nanoindentation technique. For the flexible printed circuit (FPC), mechanical properties of adhesives are key factors influencing tin whisker formation. Each mechanical property can be obtained by the indentation technique, and stress distribution can be estimated by finite element analysis (FEA).
高圧ガス事故の統計と解析
小林英男，赤塚広隆，上田洋平，澁谷忠弘，笠井尚哉，佐野尊，高橋智，山田敏弘（ Role： Joint author）
高圧ガス保安協会
Language：Japanese Book type：General book, introductory book for general audience
High reliability lead-free plating and tin whisker mitigation
JIEP Tin Whisker Research Comittee（ Role： Joint editor）
THE NIKKAN KOGYO SHIMBUN,LTD. （ ISBN:978-4-526-071 ）
Language：Japanese Book type：Scholarly book
IoT-Based Prognostics and Systems Health Management for Industrial Applications
Daeil Kwon, Melinda R. Hodkiewicz, Jiajie Fan, Tadahiro Shibutani, Michael G. Pecht
IEEE Access 4 3659 - 3670 2016.7 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE Joint Work
Prognostics and systems health management is an enabling discipline that uses sensors to assess the health of systems,diagnoses anomalous behavior,and predicts the remaining useful performance over the life of the asset. The advent of the Internet of Things enables PHM to be applied to all types of assets across all sectors, thereby creating a paradigm shift that is opening up significant new business opportunities. This paper introduces the concepts of PHM and discusses the opportunities provided by the IoT. Developments are illustrated with examples of innovations from manufacturing,consumer products, and infrastructure. From this review,a number of challenges that result from the rapid adoption of IoT-based PHM are identified. These include appropriate analytics,security,IoT platforms, sensor energy harvesting,IoT business models, and licensing approaches.
Other Link： http://ieeexplore.ieee.org/xpl/abstractAuthors.jsp?arnumber=7520653&filter%3DAND%28p_IS_Number%3A7419931%29
Anomaly Detection of Servomotors Subject to Highly Accelerated Limit Testing
Shibutani Tadahiro, Tsuboi Shota, Pecht Michael G.
INTERNATIONAL JOURNAL OF PROGNOSTICS AND HEALTH MANAGEMENT 13 ( 2 ) 1 - 12 2022.8
Language：Japanese Publishing type：Research paper (scientific journal) Joint Work
Condition-Based Monitoring for Marine Engine Maintenance by Analyzing Drain Cylinder Oil Sample
Famakinwa Ayo, Shibutani Tadahiro
Tribology Online 17 ( 2 ) 71 - 77 2022.4
DOI Web of Science CiNii Research
Language：English Publishing type：Research paper (scientific journal) Publisher：一般社団法人 日本トライボロジー学会 Joint Work
<p>Improvement of condition-based monitoring for large bore 2-stroke marine engine cylinder liners and piston rings require close monitoring of anomaly wear elements in drain cylinder oil. This paper presents monitoring of seagoing ship engines because the environment of sailing affects the internal combustion conditions leading to mechanical failure of the cylinder liners. We presented condition-based monitoring of cylinder liners using X-ray to analyze drain cylinder oil samples. The approach for condition-based monitoring uses X-ray results to estimate wear amount and machine learning algorithm on elements in the drain cylinder oil samples. The wear amount is quantified for the purpose to estimate the degradation of cylinder liner materials through the drain cylinder oil samples, machine learning algorithm to evaluate the correlation of detected elements in drain oil samples. Finally, wear rate estimation to know the remaining useful life of the cylinder liner. Our results contributed to the improvement of condition-based monitoring of cylinder liners wear elements by quantification and machine learning to correlate elements in oil samples. Correlating wear elements facilitate quick decision-making on maintenance policies for slow-speed large bore 2-stroke engines.</p>
Actual material strength of tee pipe and its effect on elasto-plastic FEM analysis results
NAKAMURA Izumi, SHIBUTANI Tadahiro
The Proceedings of Mechanical Engineering Congress, Japan 2022 ( 0 ) J101-04 2022
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：The Japan Society of Mechanical Engineers Joint Work
Advanced elasto-plastic response analysis model for piping systems with tees
SHIBUTANI Tadahiro, KURIYAMA Yukihisa, KASAI Naoya, NAKAMURA Izumi
The Proceedings of the Materials and Mechanics Conference 2022 ( 0 ) OS0105 2022
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：The Japan Society of Mechanical Engineers Joint Work
ISO/TC96 SC8 ジブクレーン議長就任にあたって
澁谷忠弘
クレーン 60 ( 3 ) 1 - 1 2022.3
Authorship：Lead author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Publisher：日本クレーン協会 Single Work
Reliability of Power Modules
Shibutani Tadahiro
25 ( 1 ) 141 - 144 2022.1 [Reviewed] [Invited]
Authorship：Lead author, Corresponding author Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Single Work
先端科学技術の社会総合リスクアセスメントガイドライン
澁谷忠弘,稗貫峻一,野口和彦,中山穣,笠井尚哉,三宅淳巳
高圧ガス 58 ( 616 ) 18 - 26 2021.7 [Reviewed] [Invited]
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Publisher：高圧ガス保安協会 Joint Work
Guideline for highly accelerated limit test as qualitative accelerated test procedure
Tadahiro SHIBUTANI
58 4 - 6 2021.1
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Single Work
A fusion prognostics-based qualification test methodology for microelectronic products
Michael Pecht, Tadahiro Shibutani, Myeongsu Kang, Melinda Hodkiewicz, Edward Cripps
Microelectronics Reliability 63 320 - 324 2016.7 [Reviewed] [Invited]
Language：English Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：Elsevier Joint Work
Best Paper Award in Microelectronics Symposium 2006
2006.9
JSME Funai Award
2006.3
JSME Young Engineers Award
2005.4
六自由度ランダム振動と熱衝撃を受けるマイクロ接合構造の強度信頼性
2019.4 - 2022.3
科学研究費補助金 Grant-in-Aid for Scientific Research(C)
Investigator(s)：澁谷忠弘
Grant type：Competitive
本研究は、六自由度ランダム振動と温度環境槽を組み合わせた複合試験により、マイクロ接合構造の強度評価技術の高度化を目指す。限界に近い環境下で精密な機能が要求されるマイクロ接合構造は、高度な信頼性予測技術が求められる。耐熱樹脂－金属のマイクロ接合構造を対象に、まず、樹脂の粘弾性特性、硬化収縮、界面結合の不均一性を考慮した精密な接合強度信頼性評価モデルを構築する。続いて、六軸ランダム振動と熱負荷を同時に受ける複合試験を実施することで、界面の振動と熱により破壊する機構を解明し、実環境に近い六軸振動環境と熱変動環境でのマイクロ接合構造の信頼性評価技術の確立を目指す。
小型モジュール炉の社会実装を支援する社会総合リスク情報基盤
Grant number：22682484 2022 - 2024.3
Ministry of Education, Culture, Sports, Science and Technology 原子力システム研究開発事業
Investigator(s)：澁谷忠弘
Authorship：Principal investigator
自動制御システム等による車両系建設機械と協働する場合に新たに生じる労働安全衛生リスクのシステム思考に基づく分析フレーム
Grant number：23JA1001 2023.4 - 2025.3
Ministry of Health, Labour and Welfare 厚生労働科学研究費時補助金
Investigator(s)：澁谷忠弘
Authorship：Principal investigator
地震荷重を受ける配管系の非弾性を考慮した高精度シミュレーションモデルの構築
Grant number：20354338 2020.12 - 2023.3
Ministry of Education, Culture, Sports, Science and Technology 原子力システム研究開発事業（ボトルネック課題解決型）
Investigator(s)：中村いずみ
Authorship：Coinvestigator(s)
生活社会活動エネルギーにおけるカーボンニュートラルの課題
澁谷忠弘，野口和彦，具本埈，渡辺文隆
安全工学シンポジウム 2023.6 日本学術会議 総合工学委員会・機械工学委員会合同工学システムに関する安全・安心・リスク検討分科会
Event date： 2023.6
Language：Japanese Presentation type：Symposium, workshop panel (nominated)
Venue：日本学術会議（東京都港区六本木7-22-34）ならびにオンライン配信
変化する工学システムに対するリスクアセスメントの課題
澁谷忠弘
安全工学シンポジウム 2023.6 日本学術会議 総合工学委員会・機械工学委員会合同工学システムに関する安全・安心・リスク検討分科会
Event date： 2023.6
Language：Japanese Presentation type：Symposium, workshop panel (nominated)
Venue：日本学術会議（東京都港区六本木7-22-34）ならびにオンライン配信
Center for Creation of Symbiosis Society with Risk
Tadahiro Shibutani [Invited]
国民が体感する災害安全管理体系のパラダイム転換 国家危機管理学会（韓国）
Event date： 2023.5
Language：English Presentation type：Oral presentation (keynote)
Venue：仁川国立大学 Country：Korea, Republic of
Social risk approach supporting for implementation of advanced technological systems
Tadahiro Shibutani [Invited]
2022.11 Korean Society of Safety
Event date： 2022.11
Language：English Presentation type：Oral presentation (invited, special)
Country：Korea, Republic of
パワーモジュール用耐熱封止樹脂の界面強度評価
澁谷忠弘 [Invited]
2022年度第2回先端電子デバイス接着技術研究会 2022.9 大阪大学 F3D実装協働研究所
Event date： 2022.9
Language：English Presentation type：Oral presentation (invited, special)
Venue：オンライン
2023 Chemistry, Chemical Engineering and Life Science: Exercise B
College of Engineering Science
2023 Design and Drawing of Machinery and Apparatus
College of Engineering Science
2023 Risk engineering
College of Engineering Science
2023 Strength and Fracture of Materials
College of Engineering Science
2023 Strength of Materials B
College of Engineering Science
産業構造審議会ガス安全小委員会
2023.3 臨時委員
Committee type：Government
2018年7月～2020年7月
2020年12月から2022年12月
2023年3月14日から2025年3月13日
ISO/TC262 (Risk management)
2019.4 Expert
Committee type：Government
令和４年度都市ガス分野における大規模災害時の保安業務の在り方検討会
2023.1 - 2023.3 委員
Committee type：Other
高圧ガス保安に係る国家試験等の実施方法の在リ方検討委員会
2022.9 - 2023.3 委員長
Committee type：Academic society
教育事業アドバイザリー委員会
2022.4 委員長
Committee type：Academic society
講演「災害・事故に起因する化学物質流出シナリオ構築と防災戦略」
Role(s)： Lecturer
川崎市消防局 危険物安全担当者講習会 2023.6
災害安全情報分析およびデータプラットフォーム構築に関する日韓共同セミナー
Role(s)： Planner, Logistic support
リスク共生社会創造センター 2023.2
第12回シンポジウム「リスク共生社会における新しいリスクコミュニケーションの枠組」
Role(s)： Host, Planner
リスク共生社会創造センター 2022.5
第11回シンポジウム・特定非営利活動法人リスク共生社会推進センター設立記念「 リスク共生社会を実現する オープン社会創造拠点」
Role(s)： Panelist, Host, Logistic support
横浜国立大学 オンライン 2021.3
Audience： Graduate students, Researchers, General public, Scientific organization, Company, Civic organization, Government agency, Media
Type：Seminar, workshop
乙種機械検定講習
Role(s)： Lecturer
神奈川高圧ガス保安協会 かわさき保育会館 2021.2
Audience： General public, Company
Type：Certification seminar
7章（材料の力学と強度），8章（高圧装置用材料），9章（材料の劣化）について講義を担当．
IEA TCP H2 Safety Task
Role(s)： Planning, management, etc.
IEA TCP 2021.12
Type：Academic research
