Record Nr.

UNINA9910797617203321

Autore

Wang Chun Hui

Titolo

Bonded Joints and Repairs to Composite Airframe Structures [[electronic resource]]

Pubbl/distr/stampa


Saint Louis, : Elsevier Science, 2015
London : , : Academic Press is an imprint of Elsevier, , [2016]
©2016

ISBN

0-12-417172-9

0-12-417153-2

Descrizione fisica

1 online resource (0 p.)

Altri autori (Persone)

DuongCong N

Disciplina

620.118

Soggetti

Fibrous composites

Airframes - Design and construction

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

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.

Sommario/riassunto

Covering analysis of both internal and external joints and repairs, as well as damage tolerance, non-destructive inspection and self-healing repairs, this book provides essential information on the joints and repairs themselves but, critically, on how they differ from bonds and repairs to metallic aircraft.

Record Nr.

UNIORUON00091234

Autore

Bologna, Concetta

Titolo

Il Museo Provinciale Campano di Capua : Storia e funzione di una istituzione dal 1869 al 1874 / Concetta Bologna