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Interfacial micromechanics in fibrous composites: design, evaluation, and models
Zhenkun Lei1, Xuan Li1, Fuyong Qin1
1State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China.
Thescientificworldjournal
|July 1, 2014
Summary
This study reviews interfacial micromechanics in fiber composites using micro-Raman spectroscopy. It details challenges in interface design and evaluation, summarizing key failure behaviors and theoretical models for composite materials.
Area of Science:
- Materials Science
- Mechanical Engineering
- Spectroscopy
Background:
- Interfacial micromechanics is crucial for fiber reinforced composites.
- Current interfacial evaluation methods lack integrity, repeatability, and consistency.
- Optimizing composite interfaces requires considering material, interface, and computational aspects.
Purpose of the Study:
- To review recent advances in interfacial micromechanics of fiber reinforced composites.
- To elaborate on mechanical problems in fibrous composite interface design.
- To summarize micro-Raman spectroscopy studies on fiber interface failure.
Main Methods:
- Utilized micro-Raman spectroscopy for interfacial micromechanics analysis.
- Reviewed and summarized existing literature on fiber composite interfaces.
- Presented theoretical models for interfacial mechanical problems.
Main Results:
- Identified key interfacial mechanical problems: stress transfer, debonding criteria, bridging, and frictional slip.
- Highlighted difficulties in guaranteeing integrity, repeatability, and consistency of interfacial evaluation.
- Detailed failure behaviors at the fiber interface.
Conclusions:
- Micro-Raman spectroscopy offers insights into interfacial micromechanics.
- Addressing interfacial stress transfer, debonding, and friction is vital for composite design.
- Further development of reliable interfacial evaluation methods is needed.
