Technical training
Blade Repair Standard / V5 02052025
ELEMENT 14.2 - MATRIX MATERIALS
Learning objective:
104) The participants can describe matrix materials used in composite laminates and how the matrix resists compression loads in a blade (Knowledge, basic level)
The instructor shall:
Explain that matrix materials give shape, and distribute and transfer loads on reinforcement by resisting compression loads in blades
Define the terms 'base resin', 'hardener' and 'accelerator'
Describe the component parts of and, at a basic level, the chemical reactions that take place during curing in the following materials: epoxy, polyester vinyl ester and polyurethane
The description of chemical reactions should be kept to a basic level such as when base material and hardener are mixed, they react together causing cross links to form which create a thermo-set plastic material, and during the reaction process, heat is produced
Note
Describe the differences between the curing process of epoxy materials and polyester materials
Show examples of typical matrix materials used during blade repair
Ask the participants relevant questions about the matrix materials used in composite laminates and how the matrix resists compression loads in a blade
The participants shall:
Share their understanding of matrix materials used in composite laminates and how the matrix resists compression loads in a blade
ELEMENT 14.3 - ADHESIVES
Learning objectives:
105) The participants can explain typical materials used for adhesives and explain where they are used in blade construction (Knowledge, intermediate level)
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