Durability of Fiber-Reinforced Polymers

INTRODUCTION
 
VISCOELASTICITY
Concept of viscoelastic behavior
Concept of time-temperature superposition principle (TTSP)
Master curve of creep compliance of matrix resin
Generalization of TTSP for non-destructive deformation properties to static, creep and fatigue strengths
Master curve of static strength
Master curve of creep strength
Master curve of fatigue strength
Conclusion
 
MASTER CURVES OF VISCOELASTIC COEFFICIENTS OF POLYMER RESIN
Master curve of creep compliance based on modified time-temperature superposition principle
Simplified determination of long-term viscoelastic behavior
Conclusion
 
NON-DESTRUCTIVE MECHANICAL PROPERTIES OF FIBER REINFORCED PLASTICS (FRP)
Role of mixture
Mechanical and thermal properties
Master curves of creep compliances
 
STATIC AND FATIGUE STRENGTHS OF FIBER REINFORCED PLASTICS (FRP)
Experimental procedure
Results and discussion
Conclusion
 
FORMULATIONS OF STATIC STRENGTHS OF FIBER/POLYMER COMPOSITES
Formulation of quasi-static strength
Application of formulation
Results and discussion
Conclusion
 
FORMULATION OF FATIGUE STRENGTH OF FIBER/POLYMER COMPOSITES
Formulation
Application of formulation
Conclusion
 
FORMULATION OF CREEP STRENGTH OF FIBER/POLYMER COMPOSITES
Formulation
Application of formulation
Conclusion
 
APPLICATION 1: STATIC STRENGTHS IN VARIOUS LOAD DIRECTIONS OF UNIDIRECTIONAL CFRP UNDER WATER ABSORPTION CONDITION
Experimental procedure
Viscoelastic behavior of matrix resin
Master curves of static strengths for unidirectional CFRP
Relationship between static strengths and viscoelasticity of matrix resin
Conclusion
 
APPLICATION 2: MASTER CURVES OF STATIC AND FATIGUE FLEXURAL STRENGTHS OF VARIOUS FRP LAMINATES UNDER WATER ABSORPTION CONDITION
Preparation of specimens
Experimental procedures
Creep compliance
Flexural static strength
Flexural fatigue strength
Conclusion
 
APPLICATION 3: LIFE PREDICTION OF

Yasushi Miyano and Masayuki Nakada are Professors in Materials System Research Laboratory at Kanazawa Institute of Technology, Japan. Their research is focused on the prediction methodology for the long-term creep and fatigue lives of polymer composites based on the time-temperature superposition principle. Prof. Miyano is fellow of the Society for the Advancement of Material & Process Engineering, The Japan Society of Mechanical Engineers, and The Japan Society of Composite Materials. Prof. Nakada is a fellow of The Japan Society of Composite Materials.