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Enabling Technologies for Unified Life-Cycle Engineering of Structural Components (1991) / Chapter Skim
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APPENDIX A: CASE STUDY OF A METALLIC GAS TURBINE DISK
Pages 71-80

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From page 71...
... The five standard life-cycle cost phases are shown on the horizontal axis, from concept to operation and support. The five dynamic engineering functional activities have been superimposed at the top of the sketch to create a three-dimensional image for representation of the total ULCE requirements.
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From page 72...
... / 1oo En o ILL o z LL ~ 50 AL LU > at; 72 /Prod~ / Assembly \/ \ c) ~ ' Materials Technology .
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From page 73...
... Here is where, in a unique, highly advanced weapons system, real innovation and creative risk are necessary if performance requirements are to be met and coupled with ULCE.
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From page 75...
... 75 It is fundamental that a disciplined, monitored, and measured capability of manufacturing be reflected in the engineering design. The manufacturing checklist (Figure A-4)
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From page 76...
... Assembly and test operations require unique considerations for the production cycle and adequate provision for product support.
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From page 77...
... ION, OF FIELD'' ' ' ' ' ' ' ''''''''' ''' '''''''' '''''''''' '' '''' '' '' 2.'.'..'.2..'''-'''' '''''''''' 'RE ID HIGH TI EENG'INES"(FLEET",LE D:ER') "'"""'"""""'"'-"''"""""""'''" ' ' 2 '-' 2 2 2-'-2 2 ' ' ' ' ' ' ' ' n ' B y IE E ' O P .E' ' ' ' ' ' ' ', " "' ' "' ""' """"' ' "-" Figure A-6 Product support checklist.
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From page 78...
... Life-cycle engineering flexibility is often limited on critical components, driven by the state of the art to meet performance criteria. However, powder metallurgy development for this particular component was driven by producibility needs.
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From page 79...
... . FIGURE A-7 Generic critical issues versus case study.
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Key Terms

  • critical issues
  • product support
  • field experience
  • material behavior
  • fracture mechanics

  • experience data
  • issues defined
  • performance requirements
  • design effort
  • powder metallurgy

  • ulce committee
  • surface enhancement
  • engineers involved
  • material characteristics
  • improvements hinge

  • production cycle
  • shop manufacturing
  • five standard
  • life predictions
  • engine structural

  • maximize capability
  • total ulce
  • materials forms
  • cost phases
  • unique considerations

  • processes design
  • formal capture
  • various engineers
  • meet performance
  • reduce performance


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