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damage tolerant approach

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540215
EISBN: 978-1-62708-309-6
...Abstract Abstract This chapter presents a fracture-mechanics-based approach to damage tolerance, accounting for mechanical, metallurgical, and environmental factors that drive crack development and growth. It begins with a review of stress-intensity factors corresponding to a wide range...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
... the damage tolerance requirements used by different industries, and discusses various approaches for fatigue design. References References 1. Broek D. , Concepts of Fracture Control and Damage Tolerance Analysis , Fatigue and Fracture , Vol 19 , ASM Handbook , ASM International , 1996...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
...Abstract Abstract This chapter discusses design and certification considerations, including materials and process selection, the building block approach to certification, design allowables, and design guidelines. It also includes information on damage tolerance and environmental sensitivity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030177
EISBN: 978-1-62708-349-2
... for composites in a variety of aircraft applications. To improve the damage tolerance of composite materials even further, an engineering approach to toughening was used to modify the highly stressed interlayer with either a tougher material or through the use of preformed particles, leading to the third...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
... Cumulative Damage Fatigue Crack Nucleation and Growth Fracture Mechanics Approach to Fatigue Crack Propagation Crack Closure The Short Crack Problem Geometrical Stress Concentrations Manufacturing Stress Concentrations Fatigue-Life Improvement Fatigue Design Methodologies Data...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... of Composite Materials Fatigue Behavior Delaminations and Impact Resistance Damage Tolerance Considerations Effects of Defects Building-Block Approach Voids Fiber Distortion Fastener Hole Defects Phase I: Matrix Cracking Phase II: Fiber Fracture, Crack Coupling, and Delamination...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... integrity program (ASIP) in 1958 F-111 aircraft No. 94 wing pivot fitting 1969 Fatigue failure due to material defect in high-strength steel Improved inspection techniques Change from fatigue “safe-life” to damage-tolerant design philosophy Development of materials with improved toughness Seam...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870001
EISBN: 978-1-62708-314-0
... Analysis of Polymeric Composite Materials , Marcel Dekker, Inc. , 2004 10.1201/9780203913314 2. Niu M.C.Y. , Composite Airframe Structures , 2nd ed. , Hong Kong Conmilit Press Limited , 2000 3. Horton R.E. and McCarty J.E. , Damage Tolerance of Composites...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... Plastic Component Failures Ceramic Component Failures Electrical and Electronic Failures Summary References References 1. Le May I. , Examination of Damage and Material Evaluation , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 352...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540319
EISBN: 978-1-62708-309-6
... cyclic loading can lead to delamination, the primary failure mode of most composites, and describes some of the methods that have been developed to improve delamination resistance, assess damage tolerance, determine residual strength, and predict failure modes. composite laminate damage tolerance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... is generally practiced. The total-life approach is used with unnotched specimens that are assumed to be defect free, and this methodology is predicated on the notion that fatigue failure is a consequence of both crack nucleation and subsequent growth. Conversely, the defect-tolerant approach bases the fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130133
EISBN: 978-1-62708-284-6
... and wear, mechanical surface phenomenon, forging process design, and forging tolerances. Wear, plastic deformation processes, and laws of friction are introduced as a group of subjects that have been considered in the case studies. References References 1. Dieter G.E. , Kuhn H.A...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240243
EISBN: 978-1-62708-251-8
... that it is periodically inspected. This philosophy forms the basis for what is known as the damage-tolerance design approach. Finally, in region III, the crack growth rate accelerates, since the fracture toughness of the material is approached, and there is a local tensile overload failure. During fatigue cycling...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030193
EISBN: 978-1-62708-349-2
... and manufacturing ( Ref 5 ). The impact parameters that influence the damage mechanism are the area, velocity, and mass of the projectile that impinges on the composite part. Material characteristics that affect the damage tolerance and mechanism of failure are the type of fiber, fiber tow structure, fiber volume...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
.... If it is large enough, it can grow under fatigue loading. Typically, damage tolerance is a resin-dominated property. The selection of a toughened resin can significantly improve the resistance to impact damage. In addition, S-2 glass and aramid fibers are extremely tough and damage tolerant. During...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
... overhauls by negligent maintenance personnel. In order to withstand such damage and have tolerance to pre-existing or service-induced flaws, it is essential that blade materials have adequate impact toughness. Because impact toughness is subject to in-service degradation, periodic assessment...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... and/or retain high strength at elevated temperatures, resist deformation (slow crack growth or creep), are damage tolerant, and resist corrosion and oxidation. Ceramics appropriate to these applications offer a significant weight savings over currently used metals. Applications include heat exchangers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
.... Without a policy, it would be difficult to formulate a strategy or carry out a worthwhile audit. Inspection Planning and Procedures Standard specifications and methods of working have been established within industry to provide a structured approach for conducting and recording inspections (see...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... Technology , 46th International SAMPE Symposium , May 2001 , p 2445 – 2454 • Dickinson L. , Salama M. , and Stobbe D. , Design Approach for 3D Woven Composites: Cost vs. Performance , 46th International SAMPE Symposium , May 2001 , p 765 – 777 • Dillon G...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110513
EISBN: 978-1-62708-247-1
..., dendrite formation, electrolytic corrosion by residue voltage in off-mode Humidity ingress through plastic needs some time before root cause mechanisms start Intrinsic pre-damages are frequently not considered in binning (reverse bias leakage) very tolerant RBL-specifications E-motors with integrated...