Maricopa Community Colleges  ACT223   19956-20086 
Official Course Description: MCCCD Approval: 07/22/08
ACT223 19956-20086 L+L 3 Credit(s) 5 Period(s)
Composite Structural Repairs I
Basic composite materials, construction, and repair. Manufacturing methods and equipment. Assessment and repair of composite structures using vacuum bagging and other approved procedures.
Prerequisites: ACT205.
Go to Competencies    Go to Outline
 
MCCCD Official Course Competencies:
 
ACT223   19956-20086 Composite Structural Repairs I
1. Compare and contrast common reinforcing fibers and resins. (I)
2. Explain the importance of proper storage for prepreg materials and adhesives. (II)
3. Compare and contrast hot bond and cold bond repairs. (III)
4. Select appropriate heating methods for hot bond repairs. (IV)
5. Operate programmable composite repair control console systems. (V)
6. Utilize proper vacuum bagging procedures for flat composite structures. (VI)
7. Demonstrate appropriate cutting and drilling techniques using composite materials. (VII)
8. Select and install appropriate special fasteners in composite structures. (VIII)
9. Explain the importance and demonstrate the application of protective coatings on composite structures. (IX)
10. Layout, form, and complete flat hot bond and cold bond composite repairs using the appropriate Structural Repair Manual and standard practices. (X)
Go to Description    Go to top of Competencies
 
MCCCD Official Course Outline:
 
ACT223   19956-20086 Composite Structural Repairs I
    I. Composite Materials
        A. Fiberglas
          1. Advantages
          2. Disadvantages
          3. Common types
          4. Applications
        B. Carbon fiber (Graphite)
          1. Advantages
          2. Disadvantages
          3. Manufacturing process
          4. Applications
        C. Aramid fiber (Kevlar)
          1. Advantages
          2. Disadvantages
          3. Common types
          4. Applications
        D. Boron fiber
          1. Advantages
          2. Disadvantages
          3. Manufacturing process
          4. Applications
        E. Material features
          1. Fabric weights
          2. Fabric count
          3. Types of weaves
          4. Tape
          5. Roving
          6. Filament winding
        F. Resins
          1. Advantages
          2. Disadvantages
          3. Materials handling
          4. Applications
        G. Structural adhesives and sealants
          1. Film
          2. Paste
          3. Foam
      II. Prepreg and Adhesive Storage
          A. Cold storage
          B. Shelf life and pot life
          C. "Out of Freezer" working life
          D. Recordkeeping for composite materials
        III. Hot and Cold Bond Construction and Repairs
            A. Molds
            B. Prepreg
            C. Wet lay-up
          IV. Heat Curing Methods
              A. Heat lamps
              B. Heat guns
              C. Heating blankets
              D. Oven curing
              E. Autoclaves
            V. Programmable Composite Repair Control Console
                A. Operation
                B. Dwell monitoring
                C. Staging
              VI. Vacuum Bagging Procedures for Flat Structures
                  A. Purpose
                  B. Materials identification
                  C. Sequence
                  D. Sealing
                  E. Leak detection
                  F. Vacuum monitoring
                VII. Usage of Cutting Tools on Composites
                    A. Dust control
                    B. Cutting
                    C. Drilling
                  VIII. Special Fasteners Installation and Inspection
                      A. Numbering systems
                        1. Military standards
                        2. Civil standards
                        3. Manufacturers' part numbers
                      B. Part identification
                      C. Installation
                      D. Inspection
                    IX. Application of Protective Coatings to Composite Structures
                        A. Purpose
                        B. Prime coat
                        C. Base coat
                        D. Top surface coat
                      X. Basic Repairs
                          A. Acceptable documents
                            1. Standard Practices
                            2. Structural Repair Manual
                            3. Engineering Orders
                          B. Design
                            1. Materials
                            2. Orientation
                            3. Adhesives
                          C. Preparation
                          D. Installation
                            1. Cold bond
                            2. Hot bond
                          E. Inspection
                          F. Documentation
                      Go to Description    Go to top of Competencies    Go to top of Outline