Jan 28, 2022  
2021-2022 College Catalog 
    
2021-2022 College Catalog
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AVM 206 - Materials and Processes

3 Credits, 6 Contact Hours
1.5 lecture periods 4.5 lab periods

Introduction to non-metallic and metallic structural materials for comparison of their structural properties. Includes structural materials, metal processing, heat treatment, heat treatment of alloys or limited use metals, non-destructive testing/inspection, corrosion, corrosion types and factors, corrosion-prone areas, corrosion control: steel, aluminum, and limited use metals, processes and materials for corrosion control, aircraft cleaning, and aircraft cleaning agents.

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Course Learning Outcomes
  1. Demonstrate proficient knowledge of common materials and processes
  2. Demonstrate proficiency in the identification and use of various types of aircraft hardware
  3. Demonstrate proficient knowledge in non-destructive testing and inspection
  4. Demonstrate proficient knowledge of aircraft cleaning and corrosion control processes

Outline:
  1. Materials and Processes
    1. Properties of metals
      1. Hardness
      2. Strength
      3. Density
      4. Malleabitlity
      5. Ductility
      6. Elasticity
      7. Toughness
      8. Brittleness
      9. Fusibility
      10. Conductivity
      11. Thermal expansion
    2. Ferrous aircraft metals
      1. Types
      2. Identification
      3. Spark test
      4. SAE and AISI numerical indexes
      5. Electrochemical testing
    3. Non-Ferrous aircraft metals
      1. Aluminum and aluminum alloys
      2. Wrought aluminum
      3. Alloying elements
      4. Hardness identification
      5. Magnesium and magnesium alloys
      6. Titanium and titanium alloys
      7. Copper and copper alloys
      8. Nickel and nickel alloys
      9. Substitution of aircraft metals
    4. Metal processes
      1. Hot working
      2. Cold working
      3. Extuding
      4. Forging
      5. Casting
      6. Internal structure of metal
    5. Heat treatment equipment
      1. Furnaces and salt bath
      2. Temperature measurement and control
      3. Heating
      4. Soaking
      5. Cooling
      6. Quenching
    6. Heat treatment of ferrous metals
      1. Behavior of steel
      2. Hardening
      3. Tempering
      4. Annealing
      5. Normalizing
      6. Casehardening
    7. Heat treatment of nonferrous metals
      1. Aluminum alloys
      2. Alclad aluminum
      3. Solution heat treatment
      4. Quenching
      5. Lag time
      6. Reheat treatment
      7. Straightening
      8. Precipitation
      9. Annealing
      10. Aluminum rivets
    8. Heat treatment of aluminum alloy rivets
      1. Compositions
      2. Time
      3. Temperature
    9. Heat treatment of magnesium alloys
      1. Solution
      2. Precipitation
    10. Heat treatment of titanium
      1. Stress relieving
      2. Full annealing
      3. Thermal hardening
      4. Casehardening
    11. Hardness testing
      1. Brinell tester
      2. Rockwell tester
      3. Barcol tester
    12. Forging
      1. Hot forging
      2. Drop forging
    13. Casting
      1. Strength
      2. Metals
    14. Extruding
      1. Process
      2. Metals
    15. Cold working/hardening
      1. Cold rolling
      2. Cold drawing
    16. Nonmetallic aircraft metals
      1. Wood
      2. Plastic
      3. Composite materials
      4. Fiber reinforced material
      5. Reinforced plastic
      6. Rubber
      7. Shock absorber cord
    17. Seals
      1. Packings
      2. V-ring
      3. U-ring
      4. Gaskets
      5. Wipers
      6. Sealing compounds
  2. Identification and Use of Aircraft Hardware
    1. Aircraft hardware
      1. Idenfification
      2. Threaded fasteners
      3. Aircraft bolts
      4. Special-purpose bolts
    2. Aircraft nuts
      1. Non-self-locking nuts
      2. Self-locking nuts
      3. Sheet spring nuts
      4. Internal and external wrenching nuts
      5. Identification coding
    3. Washers
      1. Lock washers
      2. Special washers
    4. Installation of nuts, washers, and bolts
      1. Bolt and hole size
      2. Installation practices
    5. Repair of damaged internal threads
      1. Bushings
      2. Helicoils
    6. Fastener torque
      1. Torque wrenches
      2. Torque tables
      3. Cotter pin line up
    7. Aircraft rivets
      1. Standards and specifications
      2. Solid shank
      3. Identification
      4. Mechanically-expanded
      5. Material
      6. Head styles
      7. Diameters
      8. Grip length
    8. Special and bearing load fasteners
      1. Pin rivet
      2. Taper-lok
      3. Hi-tigue
      4. Captive
      5. Turn lock
      6. Dzus
      7. Camloc
      8. Airloc
    9. Screws
      1. Structural
      2. Machine
      3. Self-tapping
      4. Identification
    10. Riveted and rivetless nut plates
      1. Nut plates
      2. Rivuts
      3. Drill Lok
      4. Deutsch
      5. Sealing
    11. Hole repair
      1. Blind rivets
      2. Acres fastener
    12. Control cables and turnbuckles
      1. Construction
      2. Fittings
      3. Turnbuckles
      4. Push-pull linkage
    13. Safetying methods
      1. Pins
      2. Safety wire
        1. Nuts, bolts, and screws
        2. Oil caps, drain cocks, and valves
        3. Electrical connectors
        4. Turnbuckles
        5. General safety wire rules
    14. Snap rings
      1. Pliers
      2. Reuse
    15. Precision measuring equipment
      1. Micrometer caliper
      2. Dial indicator
      3. Telescopic gauges
      4. Slide caliper
  3. Non-Destructive Testing (NDT) and Inspections
    1. NDT
      1. Training, qualification, and certification
      2. Visual inspection
      3. Liquid penetrant inspection
      4. Eddy current inspection
      5. Ultrasonic inspection
      6. Magnetic particle inspection
      7. Radiographic inspection
      8. Magnetic particle
    2. Inspection of welds
      1. Speed
      2. Voltage
      3. Current
      4. Temperature
  4. Corrosion and Cleaning
    1. Factors affecting corrosion
      1. Climate
      2. Location
      3. Foreign material
      4. Micro-organisms
      5. Manufacturing process
      6. Types of corrosion
      7. Direct chemical attack
      8. Electrochemical attack
    2. Forms of corrosion
      1. Surface
      2. Filiform
      3. PItting
      4. Dissimilar metal
      5. Concentration cell
      6. Intergranular
      7. Exfoliation
      8. Stress
      9. Fretting
      10. Fatigue
      11. Galvanic
    3. Common corrosive agents
      1. Acids
      2. Alkalies
      3. Salts
      4. Atmosphere
      5. Water
    4. Preventative maintenance
      1. Surface finishing
      2. Inspections
      3. Corrosion prone areas
      4. Exhaust
      5. Battery area
      6. Bilge
      7. Lavatories
      8. Wheel well and landing geer
      9. Water entrapment areas
      10. Engine areas
      11. Wing flaps
      12. Electronics
    5. Corrosion removal
      1. Surface cleaning
      2. Blending
    6. Corrosion of ferrous metal
      1. Mechanical removal
      2. Chemical removal
      3. Chemical treatment
    7. Corrosion treatment
      1. Aluminum
      2. Magnesium
      3. Titanium
    8. Protection of dissimilar metals
      1. Treatment
      2. Corrosion limits
    9. Chemical treatment
      1. Anodizing
      2. Alodizing
      3. Inhibitors
      4. Chromic acid
      5. Sodioum dichromate
      6. Chemical surface
    10. Aircraft cleaning
      1. Exterior
      2. Interior
      3. Powerplant
      4. Solvent cleaners
      5. Emulsion cleaners
      6. Mechanical cleaners
      7. Chemical cleaners


Effective Term:
Full Academic Year 2021/22



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