Maricopa Community Colleges  ACT227   19956-20086 
Official Course Description: MCCCD Approval: 07/22/08
ACT227 19956-20086 L+L 3 Credit(s) 5 Period(s)
Composite Structural Repairs II
Corrosion control, electrical bonding, materials substitutions, machining of composite components, mold fabrication. Hot bond repair of composite components including complex shapes and varied materials in accordance with the appropriate Structural Repair Manual.
Prerequisites: ACT223.
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MCCCD Official Course Competencies:
 
ACT227   19956-20086 Composite Structural Repairs II
1. Explain factors relating to corrosion in complex composite structures. (I)
2. Describe the issues that must be considered and documented when modifying a composite structural matrix. (II)
3. Demonstrate correct procedures when machining composites. (III)
4. Fabricate a mold used to create or repair a composite structure with complex shapes. (IV)
5. Demonstrate proper vacuum bagging procedures for complex shapes. (V)
6. Describe the use of composite coupons on sheet metal structures. (VI)
7. Accomplish a hot bond repair of an advanced composite structure using the applicable Structural Repair Manual (SRM). (VII)
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MCCCD Official Course Outline:
 
ACT227   19956-20086 Composite Structural Repairs II
    I. Factors Common to Complex Structures
        A. Major differences in materials
        B. Corrosion issues
        C. Moisture issues
        D. Lightning protection and electrical bonding
      II. Engineering Issues
          A. Substitution of resins
          B. Substitution of reinforcing fiber
          C. Fabric type and direction
          D. Intra- and inter-ply materials
        III. Advanced Machining of Composite Structures
            A. Proper tools and techniques of milling
            B. Proper tools and techniques of grinding
          IV. Mold Fabrication, Care, and Use
              A. Typical uses
              B. Fabrication
              C. Release agent application
              D. Part removal
              E. Cleaning
              F. Storage
            V. Vacuum Bagging Procedures for Complex Shapes
                A. Fabrication of special heat blankets
                B. Use of non-standard heat sources
                C. Sealing
                D. Leak detection
                E. Vacuum monitoring
              VI. Composite Coupon Application on Sheet Metal Structures
                  A. Purpose
                  B. Surface preparation
                  C. Application
                  D. Inspection
                  E. Protective coating
                VII. Advanced Hot Bond Repairs Incorporating Complex Shapes
                    A. Acceptable documents
                    B. Design
                    C. Preparation
                    D. Installation
                    E. Painting
                    F. Inspection
                    G. Balancing flight control repairs
                    H. Documentation
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