Research Results

FY2004

Result Reports

  Mitsubishi Research Institute , Inc. ：Report of  “Research Related to Materials Risk (Materials and the Public)", (2005.3）

  High Pressure Institute of Japan, The Allowable Stress Database Development Committee ：Report of “Allowable Stress Database Development“,（2005.3）

  The Iron and Steel Institute of Japan, Safety Factor & Allowable Stress Research Committee ：Report (Vol. 4) of "Rational Setting of Safety Factors and Allowable Stress",（2005.3.25）

  Society of Non-Traditional Technology, The Materials and System Safety Form ：" FY 2004 Report of Establishment of Key Technology for Materials Safety Science",  (2005.3)

  Central Research Institute of Electric Power Industry ： Research report (Vol. 4) of "Development of Equipment Diagnostic Support System",   (2005.3)

  Mitsubishi Heavy Industries, Ltd. Nagasaki Research & Development Center ：Research report on Development of a Materials Risk Information Platform for Safe Use of Materials, "Risk Management Technology through Reproduction Testing of Failure Accident in a Real-life Scale Environment"
FY2004 Research report（2005.3）

  Kyushu Institute of Technology, Graduate School of Engineering, "Material Functional Loss Mechanism in Boiler and  Investigation & Maintenance of Material Risk Assessment Method",  Result report（2005.3）

  Mitsubishi Research Institute , Inc. ："Main Systems Development of Materials Risk information Platform", Result report（2005.3）

   Society of Non-Traditional Technology, The Materials and System Safety Form：" FY2004 Report of Research Related to Technology and Public Risk"

　

Research Results Disclosed

Papers

  K. Sawada, K. Kubo, K. Kimura, "Evaluation of microstructural factors of high chromium ferritic steel based on analysis of anelasticity behavior at high temperature" , Tetsu To Hagane, 90(2004), pp.835-840

  K. Sawada, F. Abe and K. Kimura, “Deformation behavior of high Cr ferritic steels upon abrupt stress loading”, Mat. Sci. Eng., A387-389(2004), pp.683-686

  M. Yoshino, Y .Mishima, Y. Toda, H. Kushima, K. Sawada and K. Kimura, “Phase Equilibria between Austenite and MX carbonitride in a 9Cr-1Mo-V-Nb Steel”, ISIJ International, 45(2005), pp.107-115

  K. Yagi, “Development of a Materials Risk Information Platform for a Safe Society”, Acta metallurgica Sinica, Vol.17, No.4, (2004)

  T. Yuri, Y. Ono, T. Ogata, “Notch effects on high-cycle fatigue properties of titanium alloy at cryogenic temperatures”, Adv. Cryo. Eng. Mat., Vol.50 (2004) p.106-p.113

Proceedings

  K. Kimura, K. Sawada, K. Kubo and H. Kushima, “Stress Dependence of Recovery Process and Long-term Life Prediction of 9Cr-1Mo-V-Nb steel”, Proc. High Temperature Plant Integrity and Life Extension, Cambridge, UK, (2004), pp.1-12

  K. Kimura, K. Sawada, K. Kubo and H. Kushima, “Influence of Inhomogeneous Recovery on Creep Strength and Rupture Ductility of Ferritic Creep Resistant Steels”, Proc. Baltica VI, (2004), pp.465-476

  K. Kimura, K. Sawada, K. Kubo and H. Kushima, “Influence of Stress on Degradation and Life Prediction of High Strength Ferritic Steels”, Proc. 2004 ASME /JSME PVP Conf., San Diego, USA, (2004), pp.11-18

  K. Kimura, K. Sawada, H. Kushima, “Long-term Creep Strength Prediction of High Cr Ferritic Heat-Resistant Steels on the Basis of Elastic Limit”, The Society of Materials Science, Japan, High Temperature Strength Subcommittee, 53(2004), pp.7-12

  K. Kimura, “Creep rupture data evaluation of high Cr ferritic creep resistant steels“, Proc. Seminar on Life Prediction of Structural Materials for Elevated Temperature Service, Tokyo, Japan, (2004), pp.1-19

  M. Yoshino, Y. Mishima, K. Sawada, Y. Toda, H. Kushima, K. Kimura, “Influence of Normalizing Heat Treatment on Precipitation Behavior in Modified 9Cr-1Mo Steel”, Report of the 123rd Committee on the Heat Resisting Steels and Alloys, Japan Society for the Promotion of Science, Tokyo, 45(2004), pp.309-319

  H. Tanaka, M. Murata, K. Kamihira, K. Kimura, F. Abe, K. Yagi,  “Precipitation Behavior during Long-Term Creep for SUS321 Stainless Steel“, Gakushin Heat-Resistant Metal Materials, Research Reports of the 123rd Committee, 45(2004), p.145-155v

  K. Yagi,  “Development of a Materials Risk Information Platform“, Proc. of Fifth China-Japan Bilateral Symposium on High Temperature Strength of Materials, Xian, (2004), pp.324-329

  S. Kihara, K. Ishige, “Materials Allowable Stress Table（HPIS C105）”, The 6th HPI Technical Seminar, Trend at home and abroad of  Pressure-Vessel related Standards-, FY2004, p11-18

  Hirotoshi Matsumoto, Nobuyoshi Komai, Fujimitsu Masuyama and Kazuhiro Kimura, Development of Risk-Based Inspection Technique of Cr-Mo Steel Weldments for Fossil Fired Boilers, 57th Welding Annual Assembly of International Institute of Welding, (2005), XI-803-04

Oral Presentations

  M. Murata, H. Tanaka, K. Kamihira, M. Yamazaki K. Kimura, K. Yagi,  “Construction of microstructural data base for long-term crept materials“,  The Iron and Steel Institute of Japan,  17(2004), p.1379

 F. Abe, H. Tanaka, M. Murata,  “Construction of Metal Organization Photograph Collection and Application to Material Risk Assessment”,  Material Risk Assessment Meeting, (2004)

  T. Yuri, Y. Ono, T. Ogata,  “Influence of Notch exerted on Fatigue Properties of Titanium Alloy at Cryogenic Temperatures”, The Japan Institute of Metals, (2004)

  T. Yuri, Y. Ono, T. Ogata,  “Cryogenic Fatigue Properties of Notched Specimens for Ti-6Al-4V ELI Alloy”,  he Japan Society of Mechanical Engineers Annual Meeting , (2004)

Others :  23 Reports

Commentaries

  K. Kimura, “High Temperature Strength Properties Assessment by Creep Testing”, Tyuzo-Kogaku, (2004), pp.633-638

  K. Yagi, “Materials strength and risk management”, The Japan Society of Mechanical Engineers Journal, Vol.107, (2004), No.1029, pp.597-598

Patent Filing

  T. Ohba,  K. Sawada, K. Kazuhiro, K. Okada, F. Abe, “Bolt Materials of High Temperature”, Filing (Foreign country),  Date of Filing ：2004.8.27, Application No.： PCT/JP2004/012764