Study on verification of the anisomorphic CFL diagram approach to fatigue life prediction and identification of controlling factors

2011 Fiscal Year Final Research Report

• Project/Area Number: 20360050
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Materials/Mechanics of materials
• Research Institution: University of Tsukuba
• Principal Investigator: KAWAI Masamichi 筑波大学, システム情報系, 教授 (90169673)
• Co-Investigator(Kenkyū-buntansha): MATSUDA Tetsuya 筑波大学, システム情報系, 講師 (90345926)
• Project Period (FY): 2008 – 2011
• Keywords: 複合材料 / 疲労 / 寿命予測法 / 等寿命線図 / 非相似形等寿命線図 / 影響因子

Research Abstract

Effects of stress ratio on the fatigue strength under constant amplitude loading in different hygro-thermal environments have been elucidated to develop and establish a fatigue life prediction method suitable for CFRP laminates.

Research Products

• [Journal Article] Anisomorphic Constant Fatigue Life Diagrams for a Woven Fabric Carbon/Epoxy Laminate at Different Temperatures (2012)
  • Author(s): Kawai, M., Matsuda, Y
  • Journal Title: Composites Part A Volume: Vol.43 Pages: 647-657
  • URL: http://dx.doi.org/10.1016/j.compositesa.2012.01.009
  • Peer Reviewed
• [Journal Article] A General Method for Predicting Temperature-Dependent Anisomorphic Constant Fatigue Life Diagram for a Quasi-Isotropic Woven Fabric Carbon/Epoxy Laminate (2012)
  • Author(s): Kawai, M., Matsuda, Y., Yoshimura, R
  • Journal Title: Composites Part A Volume: Vol.43 Pages: 915-935
  • URL: http://dx.doi.org/10.1016/j.compositesa.2012.01.025
  • Peer Reviewed
• [Journal Article] A Three-Segment Anisomorphic Constant Life Diagram for the Fatigue of Symmetric Angle-Ply Carbon/Epoxy Laminates at Room Temperature (2010)
  • Author(s): Kawai, M. and Murata, T
  • Journal Title: Composites Part A Volume: Vol.41 Pages: 1498-1510
  • URL: http://dx.doi.org/10.1016/j.compositesa.2010.06.012
  • Peer Reviewed
• [Journal Article] Anisomorphic Constant Life Diagram Approach Taking Account of the Temperature Dependence of Fatigue of CFRP Laminates (2010)
  • Author(s): Yoshimura, R., Kawai, M. and Matsuda, Y
  • Journal Title: Proc. of The Seventh Asian-Australasian Conference on Composite Materials (ACCM-7)
  • Peer Reviewed
• [Journal Article] Effect of Water Uptake on the Fatigue Behavior of a Quasi-Isotropic Woven Fabric Carbon/Epoxy Laminate at Different Stress Ratios (2009)
  • Author(s): Yagihashi, Y., Kawai, M., Hoshi, H. and Iwahori, Y
  • Journal Title: Proc. of Asian Pacific Conference for Materials and Mechanics and Mechanics (APCMM2009)
  • Peer Reviewed
• [Journal Article] Off-Axis Strength Differential Effects in Unidirectional Carbon/Epoxy Laminates at Different Strain Rates and Predictions of Associated Failure Envelopes (2009)
  • Author(s): Kawai, M. and Saito, S
  • Journal Title: Composites Part A Volume: Vol.40 Pages: 1632-1649
  • URL: http://dx.doi.org/10.1016/j.compositesa.2009.08.007
  • Peer Reviewed
• [Journal Article] Off-Axis Notched Strength of Fiber Metal Laminates and a Formula for Predicting Anisotropic Size Effect (2009)
  • Author(s): Kawai, M. and Arai, Y
  • Journal Title: Composites Part A Volume: Vol.40 Pages: 1900-1910
  • URL: http://dx.doi.org/10.1016/j.compositesa.2009.07.014
  • Peer Reviewed
• [Presentation] A New Approach to Life Prediction of Composites Under Multiaxial Fatigue Loading at Any Stress Ratio (2011)
  • Author(s): Kawai, M
  • Organizer: The 3rd ECCOMAS Thematic Conference on the Mechanical Response of Composites
  • Place of Presentation: Hannover, Germany, Leibnitz University Hannover
  • Year and Date: 20110921-23
• [Presentation] Principal Master Diagrams approach to Fatigue Life Prediction of Composite Laminates (2011)
  • Author(s): Kawai, M. and Teranuma, T
  • Organizer: International Conference on Composite Materials (ICCM18)
  • Place of Presentation: Jeju, Korea
  • Year and Date: 20110821-26
• [Presentation] A New Fatigue Life Prediction Model for Notched CFRP Laminates (2011)
  • Author(s): Kawai, M. and Uchinuma, A
  • Organizer: International Conference on Composite Materials (ICCM18)
  • Place of Presentation: Jeju, Korea
  • Year and Date: 20110821-26
• [Presentation] Principal Master Diagrams for Fatigue of a Unidirectional CFRP Laminate at Room Temperature (2010)
  • Author(s): Teranuma, T. and Kawai, M
  • Organizer: The Seventh Asian-Australasian Conference on Composite Materials (ACCM-7)
  • Place of Presentation: Taipei, Taiwan
  • Year and Date: 20101115-18
• [Presentation] Constant Fatigue Life Diagrams for a Woven CFRP Laminate at Room and High Temperatures (2010)
  • Author(s): Kawai, M., Matsuda, Y., Yoshimura, R., Hoshi, H. and Iwahori, Y
  • Organizer: The Fifth International Conference on Fatigue of Composites (ICFC-5)
  • Place of Presentation: Nanjing, China
  • Year and Date: 20101016-19
• [Presentation] Effect of Water Uptake on the Fatigue Behavior of a Quasi-Isotropic Woven Fabric Carbon/Epoxy Laminate at Different Stress Ratios (2010)
  • Author(s): Kawai, M., Yagihashi, Y., Hoshi, H. and Iwahori, Y
  • Organizer: The Fifth International Conference on Fatigue of Composites (ICFC-5)
  • Place of Presentation: Nanjing, China
  • Year and Date: 20101016-19
• [Presentation] Anisomorphic Constant Fatigue Life Diagram for a Woven CFRP Laminate at Room and High Temperatures (2009)
  • Author(s): Kawai, M., Matsuda, Y., Hoshi, H. and Iwahori, Y
  • Organizer: International Conference on Composite Materials (ICCM-17)
  • Place of Presentation: Edinburgh, UK
  • Year and Date: 20090727-31
• [Presentation] Multiaxial Modeling of Notch Sensitivity of Orthotropic Composites in the Ductile-to-Brittle Transition Region (2009)
  • Author(s): Kawai, M
  • Organizer: The 2nd ECCOMAS Thematic Conference on the Mechanical Response of Composites (Composites2009)
  • Place of Presentation: London, UK
  • Year and Date: 20090401-03
• [Book] Creep and Fatigue in Polymer Matrix Composites (編者 Guedes, R.M.) (2011)
  • Author(s): Kawai, M
  • Total Pages: 234-272
  • Publisher: Woodhead Publishing Limited (UK)
• [Book] Fatigue Life Prediction of Composites and Composite Structures (編者Vassilopoulos, A.P.) (2010)
  • Author(s): Kawai, M
  • Total Pages: 177-219
  • Publisher: Woodhead Publishing Limited (UK)
• [Remarks]
  • URL: http://www.kz.tsukuba.ac.jp/~mkawai/