ICAF 2011 structural integrity : influence of efficiency and green imperatives : proceedings of the 26th symposium of the International Committee on Aeronautical Fatigue, Montreal, Canada, 1-3 June 2011

Annotation Proceedings of the 26th Symposium of the International Committee on Aeronautical Fatigue are a widely referenced summary of advances in aeronautical design against fatigue. This is a bi-annual event and the proceedings have been published in book form for over 35 years Front Matter....Pages - Fleet Recovery and Life Extension – Some Lessons Learned....Pages 1-25 Sticks and Stones....Pages 27-37 Analysis of Requirements on Fatigue and Damage Tolerance for Civil Transport Airplanes....Pages 39-59 Material Selection and Detailed Design – Requirements and Responsibilities of an Accredited and Qualified Test Laboratory....Pages 61-71 Bombardier Aerospace FSW Demonstrator....Pages 73-81 Evaluation of Fatigue Crack Growth Behavior in FSW Joint by Experiment, Analysis and Elasto-Plastic FEM....Pages 83-91 Recent Development on Bonded Structures....Pages 93-104 Recent Advancements in Thin-Walled Hybrid Structural Technologies for Damage Tolerant Aircraft Fuselage Applications....Pages 105-117 Fatigue Life Assessment for Composite Structure....Pages 119-134 Potential of CFRP Used for Light Weight Structures: Some Experimental Results....Pages 135-143 An Implementation of an Accelerated Testing Methodology to Obtain Static, Creep and Fatigue Master Curves of a T300/913 Unidirectional Composite Material....Pages 145-153 Improvement of Vibration Damping and Flexural Fatigue Property Incorporating Nanoclay into Glass/Epoxy Composite....Pages 155-165 Formation of a Metal Coating by Means of Friction Stir Processing....Pages 167-178 Influence of the Carbon Nanotube Type, Loading and Chemical Functionalization on the Fatigue Resistance of Aluminum Lap Joints....Pages 179-187 Fatigue Damage Behavior of Glass/Epoxy Composites Using Carbon Nanotubes as Sensors....Pages 189-197 DSTO – NLR Collaborative Programme on Fatigue Properties of β -Annealed Ti-6Al-4V: Preliminary Results....Pages 199-206 Damage Tolerance Demonstration of Flange Joint for Aircraft Engine Composite Fan Case....Pages 207-218 The Formation/Nucleation of Fatigue Cracks in Aircraft Structural Materials....Pages 219-229 Modelling of Continuing Damage for Damage Tolerance Analysis....Pages 231-247 The Critical Importance of Correctly Characterising Fatigue Crack Growth Rates in the Threshold Regime....Pages 249-263 The Relationships between Crack Closure, Specimen Compliance and ‘Effective’ Fatigue Crack Growth Rate....Pages 265-276 Experimental and Numerical Study of Stress and Strain Field around the Rivet....Pages 277-288 Fatigue Analyses of Riveted Lap-Splice Joints in a Narrow-Body Aircraft....Pages 289-302 Crack Growth Rate Curves: Which Part Dominates Life Prediction and When?....Pages 303-314 Critical Distance for Fatigue Life Prediction in Aerospace Materials....Pages 315-324 A Unified Variable-Amplitude Model for Crack Initiation and Crack Propagation....Pages 325-334 Development of an Efficient Methodology and Tool to Determine Stress Intensity Correction Factors for Complex Aircraft Structures....Pages 335-345 Improved SIF Calculation in Riveted Panel Type Structures Using Numerical Simulation....Pages 347-357 An 1D-Beam Approach for Both Stress Analysis and Fatigue Life Prediction of Bonded Joints....Pages 359-374 Cyclic Stress-Strain and Strain-Life Properties of Aerospace Metallic Materials....Pages 375-387 Crack Propagation Calculation for Aluminium Aircraft Structures Considering the Influence of Load Sequences....Pages 389-397 Analysis of Fatigue Crack Growth under Random Load Sequences Derived from Military In-flight Load Data....Pages 399-413 Statistical Analysis of Fatigue Crack Growth Based on the Unigrow Model....Pages 415-425 Fatigue Life Estimation of Structures Subjected to Vibratory Loading....Pages 427-442 A Structural Defect Expansion Model Based on Physical Correlation....Pages 443-451 Link between Flight Maneuvers and Fatigue....Pages 453-463 Health and Usage Monitoring of Unmanned Aerial Vehicles Using Fiber-Optic Sensors....Pages 465-471 Airframe Loads and Usage Monitoring of the CH-47D “Chinook” Helicopter of the Royal Netherlands Air Force....Pages 473-493 Damage Detection System for Automated Hot Spot Monitoring Based on Different Technologies Used in Component Testing for Shot Peening Validation....Pages 495-505 Memorization and Detection of an Arrested Crack in Foam-Core Sandwich Structures Using Embedded Metal Wires and Fiber-Optic Sensors....Pages 507-517 Structural Load Monitoring Systems for Military Aircraft in the Polish Armed Forces with Examples of Selected Activities....Pages 519-527 A320 ESG Full Scale Fatigue Test - Lessons Learned....Pages 529-537 New Connection Strap Concepts for A320 Wheel Well Area Tested during the Airbus A320 Extended Service Goal Full Scale Fatigue Test....Pages 539-549 Full-Scale Static and Fatigue Testing of Composite Fuselage Section....Pages 551-560 Durability and Damage Tolerance Evaluation of VaRTM Composite Wing Structure....Pages 561-572 Development of Load Spectrum for Full Scale Fatigue Test of a Trainer Aircraft....Pages 573-584 ATR Life Extension Project....Pages 585-600 Benefits of Using a Risk Process in Asip – The CF-18 Experience....Pages 601-613 Integrated Probabilistic Analysis of Damage Tolerance and Risk for Airframe Structural Locations....Pages 615-624 Aircraft Joints and Corrosion Control....Pages 625-634 A Case Study of Nose Landing Gear Failure Caused by Fatigue....Pages 635-644 Test Method for Determining the Effect of Chromate Primers on Fatigue Crack Growth....Pages 645-654 Life Extension: Fatigue Lifetime Updating of the French Xingu Fleet....Pages 655-669 Fatigue Life of Cold Expanded Fastener Holes at Short Edge Margins....Pages 671-684 Environmentally Assisted Cracking in Advanced Aerospace Aluminums....Pages 685-696 An Overview of Fretting Aspects Relating to Aero-Engine Dovetail Attachment....Pages 697-720 Fatigue Analysis of the Compressor Blades with V- Notches....Pages 721-734 Fatigue and Residual Strength Performance of Bonded Repairs to Metallic Fuselage....Pages 735-752 Life Extension Techniques for Aircraft Structures – Extending Durability and Promoting Damage Tolerance through Bonded Crack Retarders....Pages 753-770 Damage Tolerance of Adhesive Bonded Stiffened Panels: Experimental and Analytical Investigation of the Fatigue Crack Propagation Underneath the Stringers....Pages 771-783 Development of a New Fiber Metal Laminate Variant Optimized for Cold Expansion and Riveting of Holes....Pages 785-795 Applying the Damage Tolerance Approach to Expanded Bushing and Rivetless Nut Plate Installations....Pages 797-810 Fatigue Life Improvement of Metallic Aerospace Structures via Crenellations....Pages 811-826 Fatigue Life Improvement Using In-situ Robotic Processes....Pages 827-838 Investigations into the Fatigue Enhancement Provided by the Hole Cold Expansion Process Using Accurate 3D FEA Simulations and Fatigue Testing....Pages 839-853 Characterisation of Fatigue and Crack Propagation in Laser Shock Peened Open Hole 7075-T73 Aluminium Specimens....Pages 855-866 Damage Tolerance of Titanium Alloy Rotorcraft Components: Advantages and Challenges....Pages 867-876 NH90 Qualification According to Damage Tolerance....Pages 877-897 Damage Tolerance for Composite Parts....Pages 899-914 Towards Weight Savings for Damage Tolerant Masts and Driveshafts....Pages 915-925 Challenges in Damage Tolerance Approach for Dynamic Loaded Rotorcraft Components – From Risk Assessment to Optimal Inspection Planning....Pages 927-957 Improvements in Fatigue Evaluations of Helicopter Transmissions....Pages 959-969 Back Matter....Pages -