New Materials for Next-Generation Commercial Transports.

NEW MATERIALS FOR NEXT-GENERATION COMMERCIAL TRANSPORTS -- Copyright -- Acknowledgments -- Preface -- Contents -- Executive Summary -- FINDINGS -- RECOMMENDATIONS -- Materials, Manufacturing, and Structural Concepts -- Methodologies for Assessment of Structural Performance -- Inspection, Maintenance, and Repair -- REPORT ORGANIZATION -- I Introduction -- 1 Requirements and Drivers -- BACKGROUND -- INDUSTRY OVERVIEW AND IMPORTANT TRENDS -- NEXT-GENERATION AIRCRAFT -- APPLICATION OF NEW MATERIALS -- Drivers and Barriers -- Projected Evolutionary Advances -- II Materials, Processes, and Structural Concepts -- 2 Structural Concepts -- INNOVATIVE STRUCTURAL CONCEPTS -- Net-Shape Components -- Integral Stiffening and Iso- and Ortho-Grid Construction -- Innovative Sandwich Constructions -- Advanced Joining Methods -- Adhesive-Bonded Structure -- Welded Structure -- Hybrid Laminate Concepts -- Smart Materials and Structures -- ADVANCED METALLIC FUSELAGE -- COMPOSITE WING -- COMPOSITE FUSELAGE -- SUMMARY -- 3 Metallic Materials and Processes -- ALUMINUM ALLOYS -- Improved Strength and Corrosion Resistance -- Improved Durability and Damage Tolerance -- Low Density (Aluminum-Lithium) Alloys -- New Materials -- HIGH-STRENGTH STEELS -- TITANIUM ALLOYS -- α and Near-α Alloys -- α/β Alloys -- β Alloys -- Low-Cost Alloys -- METAL-MATRIX COMPOSITES -- TRENDS IN PROCESSING -- Forming -- Near-Net-Shape Forging and Casting Processes -- Forging Processes -- Casting Processes -- High-Speed Machining of Low-Residual-Stress Parts -- Superplastic Forming and Diffusion Bonding -- Aluminum Alloys -- Titanium Alloys -- SUMMARY -- 4 Polymeric Composite Materials and Processes -- COMPOSITE MATERIALS DEVELOPMENT -- Toughened Thermosets -- Thermoplastics -- Next-Generation Systems -- TRENDS IN PROCESSING -- Resin Transfer Molding -- Resin Film Infusion -- Textile Preforms.

Braided Preforms -- Knitted Preforms -- Stitched Preforms -- Woven Preforms -- Diaphragm Forming -- Pultrusion -- Advanced Tow Placement for Thermosets -- In-Situ Consolidation of Thermoplastics -- Electron-Beam Curing -- SUMMARY -- 5 Environmentally Compliant Materials and Processes -- ENVIRONMENTAL REGULATIONS -- Resource Conservation and Recovery Act -- Clean Air Act -- Clean Water Act -- Toxic Substance Control Act -- WORKPLACE HEALTH AND SAFETY -- EFFECT ON AIRCRAFT MATERIALS -- SUMMARY -- III Analytical Methods -- 6 Methodologies for Assessment of Structural Performance -- ANALYTICAL PREDICTION METHODOLOGY FOR STRUCTURAL INTEGRITY -- Metallic Materials -- Composite Materials -- Adhesive-Bonded Joints -- ADVANCED COST AND STRUCTURAL OPTIMIZATION METHODOLOGY -- SUMMARY -- IV Aircraft Operations -- 7 Aircraft Maintenance and Repair -- AIRLINE MAINTENANCE -- Structural Maintenance -- Component Maintenance -- SERVICE EXPERIENCE -- Ramp and Maintenance Damage -- Aging Aircraft -- Multiple-Site Damage -- Corrosion -- Structural Composites -- Composite Repair -- SUMMARY -- 8 Nondestructive Evaluation -- THERMAL METHODS -- ACOUSTIC EMISSION -- LASER NDE METHODS -- OTHER NDE METHODS -- NDE AS AN ENGINEERING TOOL -- SUMMARY -- V Conclusions and Recommendations -- 9 Committee Findings -- CONCLUSIONS -- ORGANIZATIONAL ROLES -- RECOMMENDATIONS -- Materials, Manufacturing, and Structural Concepts -- Methods for Assessment of Structural Performance -- Inspection, Maintenance, and Repair -- References -- Appendix Biographical Sketches of Committee Members.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.