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Detection and repair of microcracks in polymeric materials

Detection and repair of microcracks in polymeric materials. Multidisciplinary project group 2 November 12, 2003. Detection and repair of microcracks in polymeric materials. Goal Application areas Different self-healing concepts Detection systems Remendable crosslinks Recommendations.

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Detection and repair of microcracks in polymeric materials

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  1. Detection and repair of microcracks in polymeric materials Multidisciplinary project group 2 November 12, 2003

  2. Detection and repair of microcracks in polymeric materials • Goal • Application areas • Different self-healing concepts • Detection systems • Remendable crosslinks • Recommendations

  3. Goal • Find ideas for self-healing materials • Feasible? • Application? • PhD?

  4. Detection and repair of microcracks in polymeric materials • Goal • Application areas • Different self-healing concepts • Detection systems • Remendable crosslinks • Recommendations

  5. Detection and repair of microcracks in polymeric materials • Goal • Application areas • Different self-healing concepts • Detection systems • Remendable crosslinks • Recommendations

  6. Encapsulation • Autonomic healing Healing only once Already finetuning Healing efficiency 85%

  7. Biomimetic approach Autonomic healing It’s over when fibre breaks

  8. Detection and repair of microcracks in polymeric materials • Goal • Application areas • Different self-healing concepts • Detection systems • Remendable crosslinks • Recommendations

  9. Detection systems: Sonic IR Ultrasound T  Infrared camera

  10. Detection systems: Sonic IR • Very sensitive >20m • Surface & Subsurface • Available  Not incorporable

  11. Computer Delamination Material with conducting carbon fibres Electrode Detection systems: ERCM ECRM : Electrical Resistance Change Method

  12. Computer Delamination Material with conducting carbon fibres Electrode Detection systems: ERCM • Incorporable • Surface & Subsurface  Not available

  13. Detection and repair of microcracks in polymeric materials • Goal • Application areas • Different self-healing concepts • Detection systems • Remendable crosslinks • Recommendations

  14. Detection and repair of microcracks in polymeric materials • Goal • Application areas • Different self-healing concepts • Detection systems • Remendable crosslinks • Recommendations

  15. Focus:

  16. Questions? http://students.chem.tue.nl/ifp07

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