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Disbonding

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Published: 30 September 2015
Fig. 5 (a) Overview of a disbonding handrail coating on aluminum. (b) Closeup of the same photo showing linear extrusion lines on the aluminum substrate, indicating no mechanical roughening surface preparation had been done as specified. Note in each photo that a size reference is used: a hand More
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Published: 01 January 2006
Fig. 43 Hydrogen-induced disbonding of stainless steel clad plate steel produced in a laboratory test in accordance with ASTM G 146 in high-pressure hydrogen. The crack is in the stainless steel cladding shown at the top of the micrograph. 200× More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003657
EISBN: 978-1-62708-182-5
... Abstract This article begins with an overview of the various aspects of infrared pulse thermography used to detect disbondments, delaminations, and generalized corrosion. It describes the distinctive phases of the pulse thermographic process and the key components that are required to perform...
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Published: 30 September 2015
Fig. 14 Cathodic disbondment in areas of poor adhesion of a wrapped polyethylene coating system More
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Published: 30 September 2015
Fig. 18 Rebar corrosion. (a) Exposed and corroded rebar and spalled (disbonded) bridge concrete. Source: Ref 5 ; courtesy of Fox Industries, Baltimore, MD. (b) Spalling concrete due to corrosion of rebar and tensioning cables. Courtesy of KTA-Tator, Inc. More
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Published: 30 September 2015
Fig. 49 Cathodic disbondment test apparatus. Courtesy of KTA-Tator, Inc. More
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Published: 30 September 2015
Fig. 29 Cathodic disbondment resistance testing: (a) attached cell method; (b) immersion method. Source: Ref 6 More
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Published: 30 September 2015
Fig. 30 Postcathodic disbondment testing during coating evaluation. Source: Ref 6 More
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Published: 01 January 2002
Fig. 11 FeS/SRB corrosion under disbonded polyolefin tape coating on a buried pipeline in a wet anaerobic location shows soft, black corrosion products rich in iron sulfides overlying severe pitting More
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Published: 01 January 2006
Fig. 2 A piece of disbonded polyurethane paint showing growth of fungi. (a) Top surface. (b) Underside showing that fungi had penetrated the coating More
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Published: 15 January 2021
Fig. 3 Corrosion scenario under a disbonded polyolefin tape wrap coating on a buried pipeline in wet, anaerobic, high-clay soil features soft, black corrosion products rich in iron sulfide, FeS, and iron carbonate, FeCO 3 , overlying severe pitting. More
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Published: 01 August 2018
Fig. 33 Scanning laser acoustic microscopy (SLAM) through-transmission image produced at 10 MHz of the sample shown in Fig. 32 . In this image, the disbonded zones are presented as dark. Careful analysis of Fig. 33 indicates that the disbonded areas in black and white are larger than those More
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
... Abstract This article begins with an overview of the various types of damage that take place in advanced composite components. These include holes and punctures, delaminations, disbonds, core and resin damage, and water intrusion. The article describes various damage detection techniques...
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Published: 01 August 2018
Fig. 30 Computer-analyzed scanning laser acoustic microscopy image of Fig. 29 in which the disbonds are clearly displayed as black More
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Published: 01 January 2001
Fig. 8 Results from a demonstration “smart patch” showing a reduction in strain ratio (“patch state of health,” the ratio of strains in the patch to those in the parent structure) as a function of fatigue cycles due to disbond growth under the patch. Source: Ref 30 More
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Published: 01 January 2001
resin inserts at the skin-core interface, and potted core and simulated disbonds in the laminate More
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Published: 01 August 2018
resin inserts at the skin-core interface, and potted core and simulated disbonds in the laminate More
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Published: 01 August 2018
image-analysis computer, which is used to determine the percent area of disbond. Field of view: 14 × 10.5 mm More
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Published: 01 August 2018
Fig. 11 100 MHz scanning laser acoustic micrographs of the tensile bar samples shown in Fig. 10 . (a) In the unstressed bar, the texture corresponds to fiber population shifts and small areas of disbond. (b) In the stressed bar that was pulled to a 1.5% strain level, there is no visible More
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
... of the sleeve or on the outer surface of the paddle, which is not the case. If the transverse fracture occurred first in both the sleeve and the paddle together, there would have been no reason for a disbond to occur at all. Therefore, the most likely scenario is that the disbond occurred prior to any...