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composite delamination

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003380
EISBN: 978-1-62708-195-5
... for skin-stiffener debonding. (a) Cross section of composite part. (b) Detail of flange tip. (c) Simplified test specimen. (d) Loads applied to skin Fig. 14 Skin-stringer debonding fatigue life prediction methodology. (a) Detail of lamina with initial delamination. (b) FEA using VCCT analysis...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003382
EISBN: 978-1-62708-195-5
... on Composite Materials ( Paris ), Bunsell A.R. , Ed., 1980 6. Wang A.S.D. and Crossman F.W. , Initiation and Growth of Transverse Cracks and Edge Delamination in Composite Laminates, Part I An Energy Method , J. Compos. Mater. , supplement, 1980 10.1177/002199838001400106 7...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003386
EISBN: 978-1-62708-195-5
... Usage, Design, and Analysis , MIL-HDBK-17-3E, U.S. Department of Defense , Jan 1997 • Konishi D.Y. , “Delamination Growth in Composite Structures Under Inplane Compression Loading,” AGARD-CP-355, 12–14 April 1983 Defining the Range and Scope of Coupon Tests and Trial Impact...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003376
EISBN: 978-1-62708-195-5
... mechanics offers a promising method for this need (see the article “Fracture Mechanics of Composite Delamination”) . Composites provide excellent damping properties and are much less sensitive to fatigue degradation than metals. Two articles, “Damping Properties” and “Fatigue and Life Prediction...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002415
EISBN: 978-1-62708-193-1
... of fatigue behavior at the laminate level is essential for understanding the fatigue life of a laminated composite structure. This article describes fatigue failure of composite laminates in terms of layer cracking, delamination, and fiber break and interface debonding. It discusses the fatigue behavior...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003042
EISBN: 978-1-62708-200-6
... principle of operation Several benefits can be realized using a water-jet cutting process. One benefit is that cuts can be initiated at any point on a workpiece if some caution is exercised. Because composite materials can delaminate in the area surrounding the initial penetration, it is recommended...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003459
EISBN: 978-1-62708-195-5
... delamination or disbond. A light spot or “whitish” area on a fiberglass part may indicate trapped air, a resin-lean area, or a delamination. However, one of the common problems with composites is “hidden damage.” Often, low-energy impacts will leave no visible marks on the surface, but underlying...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003454
EISBN: 978-1-62708-195-5
...Abstract Abstract It is recommended that repairs be made whenever damage consists of delamination cracks or broken fibers. This article provides an overview of the repair classification, characterization, and cycle of the composite ship structure. The methods outlined in this article, which...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003463
EISBN: 978-1-62708-195-5
.... ∼0.7× Fig. 4 Reflectivity differences on a delaminated fracture surface indicative of impact damage. ∼0.5× Fig. 5 Longitudinal cracks on a delaminated fracture surface indicative of progressive fracture. ∼5× Fig. 6 Cross section of a composite laminate, which failed...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003378
EISBN: 978-1-62708-195-5
... of a laminate. Stresses caused due to mechanical loads, temperature, and moisture on the laminate are analyzed. The article concludes with information on interlaminar cracking, free-edge delamination, and transverse cracks of laminates. References References 1. Advanced Composites Design Guide , 3rd...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
...Defects in metal-matrix composites Table 7 Defects in metal-matrix composites Manufacturing type of defects In-service type of defects Density, fiber ratio, porosity, delaminations, contamination, interface quality, thermal cracking, fiber alignment, foreign inclusions, fiber cuts...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.9781627081900
EISBN: 978-1-62708-190-0
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
...Effect of defects in fiber-reinforced composite materials Table 1 Effect of defects in fiber-reinforced composite materials Defect Potential effect on structural performance Delamination Catastrophic failure due to loss of interlaminar shear strength. Typical acceptance criteria...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003458
EISBN: 978-1-62708-195-5
... patch over edge delamination Fig. 1 Example of a repair to a sandwich structure. See text for discussion. Fig. 2 Temporary or minor repair to a composite laminate Fig. 3 Adhesively bonded repair to a composite laminate Fig. 4 Bolted repair to a composite laminate...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003467
EISBN: 978-1-62708-195-5
... to the aluminum substructure using a typical aircraft adhesive manufactured for composite and aluminum bonding. Pulse-echo ultrasonics was used to verify whether there was any damage actually present on the leading edge on the left side of the rudder. The test revealed a disbond/delamination in the marked...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006466
EISBN: 978-1-62708-190-0
.... , Impact Induced Fracture in a Laminated Composite , J. Compos. Mater. , Vol 19 , 1985 , p 51 – 66 10.1177/002199838501900104 33. Laczynski M. , Jayaraman S.B. , Craychee T. , Miyasaka C. , and Tittmann B.R. , Feasibility of Healing Delaminations in an AS4/PEEK...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003424
EISBN: 978-1-62708-195-5
... of chip compared to the dust particulate produced by machining of thermoset composites. Both material classes are similar in that they are susceptible to surface and/or exit delaminations, especially when the cutting tool becomes dull. Machining Operations Cutting Tools For Machining Peripheral...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003453
EISBN: 978-1-62708-195-5
..., large pieces of aggregate near the surface, and deviations in field construction of the FRP are causes of these stress risers. The values of FRP strain at which concrete tensile-shear delamination occurs vary widely, especially between shop- and field-manufactured composites. The strain is almost...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003330
EISBN: 978-1-62708-176-4
... P. , Blackman B.R.K. , and Brunner A.S. , “Standard Test Methods for Delamination Resistance of Composite Materials: Current Status , Appl. Compos. Mater. , Vol 5 , 1998 , p 345 10.1023/A:1008869811626 53. Gillespie J.W. Jr. , and Carlsson L.A. , Interlaminar...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003423
EISBN: 978-1-62708-195-5
... greater care because dull tools or incorrect feeds can cause heat damage or delaminations. Drilling is complicated by the abrasive nature of carbon fibers that can result in accelerated tool wear and splintering of the surface plies. During assembly, composites will tend to delaminate if excessive force...