Materials

Materials

1. Composite Materials

   • Structure
     • Failure modes
       • Toughening mechanisms
   • Manufacturing
     • Filament winding
     • Pultrusion
     • Prepreg lay up plus autoclave moudling
     • Manual lay-up
     • Choice
       • Geometry
       • Quality
       • Productivity
       • Tooling cost
     • Compression moulding
   • Revision source
     • Intro lecture
     • FRP manufacturing

2. Gas Turbine Blades

   • High operating T
     • Enabling technologies
       • Advances in
         • Super alloys - the substrate
           • Gamma prime dispersed in gamma matrix
             • Interface
               • Low interfacial energy
               • Coherent
             • Microscopic feature
           • Properties
             • High temp strength/performance/stability in nickel based super alloys
               • Coarsening of second phase particles
                 • due misfit of structure (interface energy)
             • Resistance to degradation
               • Oxidation
               • Hot corrosion
             • Processability
             • Working Temp - 90% melting point
         • Turbine blade manufacturing/processing technologies
           • Control of grain structure
           • Why no fine grain structure used
         • Cooling technologies
           • Hot side
             • Cooling structure design
           • Cold side
         • Coating technologies
           • Selection of material
           • Role of undercoating
   • Lecture 2. Turbine Blades

3. Lightweight non-ferrous metals

   • Aluminium Alloys
     • Designation system
       • 5xxx Al-Mg Alloys
     • Al-Cu
       • Phases
         • Quenching
         • Slowly cooled
     • Concentration
     • Revision Source
       • Aluminium part 1
     • Properties
       • Tensile strength
       • Ductility
     • Hardening
       • Precipitation hardening
         • Too high temperature
         • Correctly
       • Work hardening
     • Treatment
       • Heat treatable
         • Precipitation/aging
   • Titanium Alloys