cam a22 7 4500 528873865 CHVBK 20201014111456.0 m d cr |n |||||||| 151013s2016 caua sb 001 0 eng d 2015954737 978-0-12-417153-4 0-12-417153-2 (SERSOL)ssj0001777004 (WaSeSS)ssj0001777004 BTCTA eng BTCTA YDXCP LTSCA OCLCO OCLCQ FER OCLCF OCLCO DLC WaSeSS rda TA418.9.C6 W36 2016 Wang Chun Hui Principal research scientist Bonded joints and repairs to composite airframe structures Chun H. Wang, Cong N. Duong San Diego, CA Academic Press ©2016 1 online resource (x, 295 pages) illustrations text txt rdacontent/eng computer c rdamedia/eng online resource cr rdacarrier/eng Includes bibliographical references and index. Preface ; Part 1. Analysis and design. Chapter 1. Introduction and overview ; 1.1. Aim of book ; 1.2. Criticality of structure and damage ; 1.3. Types of composite repairs and certification criteria ; 1.4. Overview of repair design and analysis process ; 1.5. Effect of load attraction in patch design ; 1.6. Effect of taper and scarf ratios on joint design ; 1.6.1. Safe-life approach ; 1.6.2. Damage tolerance approach ; 1.6.3. Stepped repairs ; 1.7. Summary ; References ; Chapter 2. Failure criteria ; 2.1. Introduction ; 2.2. Adhesive failure criteria ; 2.2.1. Failure criteria for brittle adhesives ; 2.2.2. Failure criteria for ductile adhesives ; 2.3. Composite failure criteria ; 2.3.1. Intralamina failure criteria ; 2.3.2. Interlaminar failure criteria ; 2.4. Summary ; References ; Chapter 3. Doubler joint analysis ; 3.1. Introduction ; 3.2. Untapered doublers and joints ; 3.2.1. Two-sided doublers and double strap joints ; 3.2.2. Elastic solution for adhesive peel and shear ; 3.3.3. Elastic-plastic solution for adhesive peel and shear ; 3.3.4. Effect of adherent shear deformation ; 3.3.5. Numerical examples ; 3.4. Summary ; References ; Chapter 4. Design of scarf and doubler-scarf joints ; 4.1. Introduction ; 4.2. Scarf joint of homogeneous adherends ; 4.2.1. Constant-angle scarf ; 4.2.2. Optimum angle of scarf between dissimilar materials 4.3. Composite scarf joints ; 4.3.1. Identical adherends with constant-angle scarf ; 4.3.2. Elasto-plastic stress analysis of scarf joints ; 4.4. Experiments and validation ; 4.4.1. Room temperature dry condition ; 4.4.2. Hot wet condition ; Doubler-scarf joints ; Conclusions ; References ; Chapter 5. Disbond and damage tolerance analysis of doubler repairs ; 5.1. Introduction ; 5.2. Analytical methods for delamination analysis ; 5.2.1. VCCT by FE method ; 5.2.2. Crack tip element approach ; 5.2.3. Cohesive zone model ; 5.3. Analytical methods for disbond analysis ; 5.4. Fatigue damage accumulation model for predicting interlaminar failure and disbond ; 5.5. Summary ; References ; Chapter 6. Damage tolerance and fatigue durability of scarf joints ; 6.1. Introduction ; 6.2. Impact damage of scarf joints and repairs ; 6.3. Effects of disbond on joint strength ; 6.4. Design methods ; 6.4.1. Average stress ; 6.4.2. Linear elastic fracture mechanics ; 6.4.3. Virtual crack closure technique (VCCT) ; 6.4.4. Cohesive zone model (CZM) ; 6.5. Verifications ; 6.5.1. Finite element model (FEM) ; 6.5.2. Strength prediction of scarf joints ; 6.6. Fatigue disbond growth life ; 6.6.1. Method ; 6.6.2. Experimental validation ; 6.6.3. Comparison between analysis and experiments ; 6.7. Discussion ; 6.8. Summary ; References ; Chapter 7. Design and analysis of doubler repairs ; 7.1. Introduction ; 7.2. Repair analysis for elliptical damages ; 7.2.1. Elastic solution for an elliptical hole in an anisotropic plate ; 7.2.2. Elastic solution for an elliptical inhomogeneity in a 2D anisotropic plate ; 7.2.3. Two-stage analysis procedure for determining load attraction and stress concentration ; 7.2.4. Strength assessment for an after repair damaged skin laminate ; 7.2.5. Bond line analysis by bonded joint or bonded doubler methods ; 7.3. Repair analysis for crack-line damages ; 7.3.1. Wang and Rose's crack bridging model ; 7.3.2. Two-stage analysis procedure for crack patching ; 7.4. Patch design for an elliptical damage ; 7.4.1. Design criteria and guidelines ; 7.4.2. Patch design algorithm 7.5. Summary ; References ; Chapter 8. Design and optimization of scarf repairs ; 8.1. Introduction ; 8.2. Residual strength of scarfed laminates ; 8.2.1. Tension and compression loading ; 8.2.2. Predictive modeling ; 8.3. Shape optimization of scarf repairs ; 8.3.1. Assessment of existing shaping methods 8.3.2. Optimum solution ; 8.3.3. Case studies ; 8.4. Structural doublers ; References -- Part 2. Manufacturing and inspection. Chapter 9. Repair manufacturing processes ; 9.1. Introduction ; 9.2. Scarfing operation ; 9.3. Repair patch manufacturing ; 9.3.1. Soft patch ; 9.3.2. Molded patch ; 9.4. Surface treatment ; 9.5. Adhesive bonding ; 9.6. Repair of thick laminates ; References ; Chapter 10. Non-destructive evaluation of bond ; 10.1. Introduction ; 10.2. Detection of disbonds ; 10.3. Detection of weak adhesion bonds ; 10.4. Local bond proof testing ; 10.5. Satellite coupon proof test ; References ; Index. Lizenzbedingungen können den Zugang einschränken. License restrictions may limit access. Fibrous composites Airframes Design and construction Airframes Design and construction (OCoLC)fst00802914 fast Fibrous composites (OCoLC)fst00923679 fast Duong Cong N. https://ebookcentral.proquest.com/lib/unibern/detail.action?docID=4003902 Uni Bern: Volltext BK020053 XK020053 XK020000 Ebook Central All Subscribed Titles E-Books von 360MarcUpdates IDSBB B405 B405 405VT NELB4051809 IDSBB 100 1- Wang Chun Hui Principal research scientist IDSBB 700 1- Duong Cong N. IDSBB 856 40 https://ebookcentral.proquest.com/lib/unibern/detail.action?docID=4003902 Uni Bern: Volltext