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New Materials for Next-Generation Commercial Transports (1996) / Chapter Skim
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Executive Summary
Pages 1-4

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From page 1...
... will incorporate new materials, fabrication processes, and structural concepts to realize the cost and performance benefits of lighter-weight, more-efficient structures. One very important concern regarding aircraft safety is the degradation of structural materials as aircraft operate beyond their original design life, bringing to the forefront issues of materials stability, corrosion resistance, fatigue behavior, and maintenance procedures.
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From page 2...
... Methodologies for Assessment of Structural Performance Current structural design and analytical procedures used by the aircraft industry are largely semiempirical, even though significant improvements have occurred in structural analysis methods over the last two decades. Accurate, finite element analysis methods are routinely used to predict the stress, strain, and displacement fields in complex structural geometries.
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From page 3...
... The leadership of the FAA and the continued participation of airlines and manufacturers in developing and implementing improved maintenance and inspection methods is crucial. The committee recommends that the FAA take a leadership position in the development of improved inspection and maintenance methods by the following guidelines: · Support the development of improved standards for NDE methodologies and their specific materials and structural applications, especially through participation in industry- and NASA-sponsored component development and flight hardware demonstration programs for the introduction of new materials, manufacturing processes, and structural concepts.
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Key Terms

  • aircraft safety
  • advanced materials
  • failure modes
  • aircraft industry
  • civil aircraft

  • analytical methods
  • manufacturing processes
  • commercial aircraft
  • faa work
  • maintenance program

  • environmental regulations
  • hardware demonstration
  • flight hardware
  • demonstration programs
  • processing methods

  • academic organizations
  • commercial transport
  • analysis methods
  • service life
  • maintenance procedures

  • future aircraft
  • economic climate
  • climate affecting
  • assure safety
  • airframe structures

  • anticipated performance
  • design life
  • concepts relies
  • structural designs
  • component development


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