Aircraft Materials and Analysis

Tariq Siddiqui is a manager of aircraft maintenance at a commercial airline and a professor at Embry Riddle Aeronautical University. He has more than 20 years of experience in aviation maintenance, management, project management, environmental regulations, and incident and accident investigation.

• IntroductionChapter 1. Aircraft DesignMilitary Standard—(Mil-Std-1530C) Aircraft Structural Integrity ProgramMilitary Standard—(Mil-Std-882E) Standard Practice for System SafetyMilitary Standard—(Mil-Std-8861B) Airplane Strength and Rigidity Flight LoadsMilitary Standard—(MIL-A-8870C) Airplane Strength and Rigidity, Vibration, Flutter, and DivergenceReview ProblemsEndnotesChapter 2. Aircraft MaterialProperties of MaterialsMaterials Used in Aircraft ConstructionNonmetallic Aircraft MaterialsMaterials of Aircraft HardwareMaterials—Aircraft LubricantsReview ProblemsEndnotesChapter 3. Loads on the AircraftAircraft LoadsFlight LoadsMoment, Moment Arm, and TorqueThe Vector and Vector ComponentsLift Pressure and Wing LoadingCentripetal and Centrifugal ForcesLanding LoadsGround LoadsFuel Tank Loads during Emergency LandingManeuvering LoadsAerodynamic HeatingReview ProblemsEndnotesChapter 4. Stress AnalysisStrain and Stress-Strain RelationsStress TransformationStress ConcentrationFatigue-Stress ConcentrationBehavior of Materials under StressFactors Affecting Elastic PropertiesModulus of ElasticityElasticity; Proportionality of Stress and StrainSummary DefinitionsReview ProblemsEndnotesChapter 5. Torsion, Compression, and Bending LoadsTorsionShaft FailuresShear Flow in TorsionCompressionCompressive Strength and FailuresCalculation of StressElastic Stability—General ConditionCurved BeamsNonuniform Loading of Circular PlatesFlat-Plate Ultimate StrengthReview ProblemsEndnotesChapter 6. Aircraft Structure Riveted Joints and Pressure VesselsRiveted JointsExamples of Lap JointsModes of Failure in Riveted JointsDesign and LimitationsEccentric Loading of Riveted JointsStress Analysis of Riveted JointsRiveted Joints—Common TermsPressure Vessels and Pressure LinesPressure VesselsAircraft Pressure LinesDifference between Pneumatic and Hydraulic SystemsReview ProblemsEndnotesChapter 7. Heat Treatment of Aircraft MetalsMetalworking ProcessesFerrous MetalsHeat Treatment ProcessTime, Temperature, and TransformationContinuous Cooling TransformationDifference between TTT and CCTNonferrous MetalsAluminum and Aluminum AlloysWrought AluminumMagnesium and Magnesium AlloysTitanium and Titanium AlloysCopper and Copper AlloysMonel and K-Monel AlloysSubstitution of Aircraft MetalsCold-Working and HardeningExtrudingQuenching MediaReview ProblemsEndnotesChapter 8. Aircraft Fatigue and Aircraft Material FatigueFatigue in MaterialFatigue Testing (S-N Curve)Fatigue and Crack GrowthMilitary Standard—(Mil-A-83444) Airplane Damage Tolerance RequirementsStress-Corrosion CrackingControl of Stress-Corrosion CrackingLimit of Validity (LOV)Review ProblemsEndnotesChapter 9. Aircraft CorrosionWhy Metals CorrodeTypes of CorrosionForms of CorrosionStress CorrosionExfoliationHydrogen EmbrittlementCorrosion of MetalsCorrosion of Ferrous MetalsFactors Affecting CorrosionCorrosion-Prone Areas in AircraftFactors in Corrosion ControlCorrosion Inspection and DetectionPreventive Maintenance of CorrosionReview ProblemsEndnotesChapter 10. Dynamic Stress, Temperature Stress, and Experimental MethodsGeneral ConditionsRemarks on Stress due to ImpactTemperature StressesExperimental MethodsStress Pattern Analysis by Thermal EmissionReview ProblemsEndnotesChapter 11. CompositesApplications of Composites on AircraftFiber-Reinforced MaterialsLaminar or Laminated CompositesParticulate-Reinforced CompositesMechanics of Composite MaterialStress and Strain in a LaminateComposite Fatigue and Damage ToleranceAircraft Accident–CrashworthinessComposite MaterialComposite Manufacturing and In-Service Defects and DamagesComposite Maintenance and InspectionComposite SafetyReview ProblemsEndnotesChapter 12. Nondestructive Testing and Nondestructive InspectionVisual InspectionBorescope InspectionLiquid Penetrant (Dye Penetrant) InspectionMagnetic Particle InspectionRadiographic Inspection (X-Rays and Gamma Rays)Ultrasonic InspectionEddy Current InspectionReview ProblemsEndnotesChapter 13. Aviation Maintenance ManagementAviation MaintenanceTypical Airline Definition of MaintenanceGoals of a Maintenance ProgramFunctional and Potential FailureDocumentation for MaintenanceRequirements for a Maintenance ProgramMaterial Support—Stores and LogisticsMaterial Department—Budgeting EffortsOversight FunctionsQuality AssuranceQuality ControlReliabilitySummaryReview ProblemsEndnotesChapter 14. Case Studies and Human FactorsCase Study 14-1 TWA FlightCase Study 14-2 Atlantic Southeast Airlines FlightCase Study 14-3 United Airlines FlightCase Study 14-4 American Airlines FlightCase Study 14-5 USAir FlightHuman FactorsHuman Factors in Aircraft MaintenanceMaintenance Error Decision AidReview ProblemsEndnotesAnswers to Chapter QuestionsIndex