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

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 -