CHEM-E2200 - Polymer Blends and Composites, 07.09.2020-20.10.2020

Topic outline

• Materials
  • Select activity Introduction and fundamental concepts

    

    Introduction and fundamental concepts File PDF

    • Course intro and administrative matters. 
    • Composites; material property envelope; fibres; matrices; interface; manufacturing; applications; basic concepts

    
    

  • Select activity Fibre architecture and principles of reinforcement

    

    Fibre architecture and principles of reinforcement File PDF

    To join the Zoom session for Monday's class starting at 13:15, please follow this link: https://aalto.zoom.us/j/64589071728

    The topics covered today are:
    

    • Fibre ‘architecture’
    • Volume fraction and the rule of mixtures
    • Principle of load sharing and reinforcement
    • Long or short? The effect of reinforcement geometry on elastic stress transfer and reinforcement processes

    
    

  • Select activity Reinforcement processes

    

    Reinforcement processes File PDF

    To join the Zoom session,  please follow this link: https://aalto.zoom.us/j/61564046059

    • A little more about stress transfer
    • Reinforcement by slip
    • Conditions for fibre fracture
    • The effect of fibre behaviour on composite micromechanics

  • Select activity Power point of polymer blends, composites and compatibilization

    

    Power point of polymer blends, composites and compatibilization File PDF
  • Select activity Long fiber composites and laminates

    

    Long fiber composites and laminates File PDF

    To join the Zoom session beginning at 13:15, please follow this link: https://aalto.zoom.us/j/63007332634

    We will cover:

    •Axial and transverse elastic deformation in long-fiber composites

    •Off-axis deformation in long-fiber composites

    •Multi-ply laminates

    •Strength and failure in long-fiber composites

    •Compressive failure in composites 

    
    

  • Select activity Composite manufacturing

    

    Composite manufacturing File PDF
  • Select activity Toughness

    

    Toughness File PDF

    To access today's Zoom session, please use this link: https://aalto.zoom.us/j/62722786942

    
    

    Today we will cover: 
    

    • Importance of toughness in engineering materials
    • Cracks and crack-like defects
    • Properties of cracks
    • Interfaces and crack-blunting
    • Toughness and energy
    • Energy absorbing mechanisms in composites   

  • Select activity Example exam paper

    

    Example exam paper File PDF

    Here is an earlier exam paper as an example. We will adapt the paper slightly to cater for the "home exam" format, but this should give you an idea of the types of question that might be asked!

        

  • Select activity HOME EXAM

    

    HOME EXAM File DOC

    Hi all, 

    Here is the home exam!

    Please follow the instructions carefully and return your answers by 17:00 on Monday 26th October. I will set up a "return box" shortly. If your have any questions or have any difficulty returning the work in MyCourses, please contact me or Jon by email.