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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270146
EISBN: 978-1-62708-301-0
...Abstract Abstract During a major servicing of an aircraft, cracks were found in the bottom wing root fitting. Based on dye penetrant inspection and the results of SEM fractography and chemical analysis, investigators concluded that the cracks were due to stress corrosion. They also recommended...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
... discontinuous or continuous fibers. The sample preparation methods cover documentation and labeling of samples, sectioning the composite, clamp-mounting composite samples, mounting composite samples in casting resins, and the addition of contrast dyes to casting resins. Information on the molds used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030089
EISBN: 978-1-62708-349-2
... include bright-field illumination, dark-field illumination, polarized-light microscopy, interference and contrast microscopy, and fluorescence microscopy. The chapter also provides a discussion of sample preparation materials such as dyes, etchants, and stains for the analysis of composite materials using...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030159
EISBN: 978-1-62708-349-2
... of composite materials, namely bright-field analysis, polarized-light analysis, contrast dyes analysis, and dark-field analysis. The analysis of microcracked composites using epi-fluorescence is also covered. In addition, the chapter describes the procedures for the determination and recording of microcracks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030223
EISBN: 978-1-62708-349-2
... in this micrograph. To highlight the microcracks in the aramid fiber facesheet, DYKEM Steel Red dye (Illinois Tool Works, Inc.) was applied on the surface of the composite ( Fig. 13.6b ) and was shown to penetrate through the facesheet to the core side ( Fig. 13.6a ). As a result of the dye penetration...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780093
EISBN: 978-1-62708-268-6
..., leak paths, and other conditions not readily apparent using visual or other assessment techniques. Techniques in this area include x-ray and n-ray radiography, dye penetrant inspection, fluorescent dye pressure testing, and magnafluxing. Mechanical and environmental approaches for evaluating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780193
EISBN: 978-1-62708-268-6
... material, dye penetrant inspection, fluorescent dye pressure testing, magnafluxing, helium sniffer leak testing Electrical/electronic component fails open/short Visual examination, multimeter testing, replacement with known good component Electrical connection fails open/short Visual examination...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030177
EISBN: 978-1-62708-349-2
... dye/solvent was wiped on the surface of the polished specimen, wiped off after 2 min, and cleaned with water. The solvent/dye preferentially absorbed into the particles and phases and not the thermoset matrix. Epi-fluorescence, 390–440 nm excitation, 25× objective Fig. 10.7 Cross section...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780131
EISBN: 978-1-62708-268-6
.... If the line is not visible to the naked eye, it may become visible under magnification or by using a fluorescent or dye penetrant inspection technique, as discussed in Chapter 11 . X-ray inspection can also be used to identify weld cracks. The weld may have a pinhole leak as a result of inadequate weld...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410253
EISBN: 978-1-62708-280-8
... Discontinuities Fluorescent Dye Penetrant Inspection Brinell Hardness Measurement Microstructure Evaluation Mechanical Properties (<s> Safety-Critical Criteria) Chemical Composition Heat Treatment Dimensional Control All supplier-initiated product and process changes must...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030245
EISBN: 978-1-62708-349-2
... in cross sectioning and mounting in order to preserve as much of the critical information as possible. Mounting and sectioning fiber-reinforced composite specimens that have been subjected to lightning strikes is best accomplished with a two-stage mount. It is advisable on the primary mount to add a dye...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270165
EISBN: 978-1-62708-301-0
... in the low-pressure bowl in the region of transition at the head Fig. CH43.3 Radial cracks emanating from the sharp corners of the hexagon Macro and Scanning Electron Fractography Metallography Hardness Composition Dye-Penetrant Inspection Discussion Conclusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
...-Destructive Testing, Part 2: Magnetic Particle and Dye Penetrant Inspection ,” 2002 • Health and Safety Executive (UK) HSE GS4 , “ Health and Safety Executive Guidance Note: Safety in Pressure Testing ,” 1998 • ISO/IEC 17020:1998 (formerly BS EN 45004:1995) , “ General Criteria...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
.... Interpretaion relatively easy. May be nondestructive Crack depth techniques only accurate if crack is normal to the surface, and if the crack length is 3 times or more its depth. Calibration is required for reasonable accuracy. Temperature compensation may be necessary. B.3 Dye-penetrant inspection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030193
EISBN: 978-1-62708-349-2
... preparation and may potentially cause artifacts. Details of the fracture may also be difficult to observe if the sample is not mounted. When mounting the sample using a casting resin, it is necessary to add a dye to distinguish it from the matrix resin. Figure 11.2 shows a cross section of an impacted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110550
EISBN: 978-1-62708-247-1
.... Cracking in the underfill was also observed in the 3D tomography virtual cross section (a). Images (c) & (d) are SEM images of the same defect locations post mechanical cross sectioning confirming the defects noted in the 3D X-Ray tomography Figure 23 Sample treated with dye penetrant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... 8.4.2 Ultrasonic Testing 8.4.3 Dimensional Measurement 8.4.4 Tube Thickness Measurement 8.4.5 Oxide Scale Thickness Measurement 8.4.6 Fibroscopic Inspection 8.4.7 Dye Penetrant Inspection 8.4.8 Magnetic Particle Inspection Recommendations 8.6.3.3 Calculation of Theoretical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270173
EISBN: 978-1-62708-301-0
..., had originated on the front side of the disc. The other crack, about 80 mm, had originated on the rear side. Dye-penetrant inspection did not reveal any other crack. Besides the machining and dressing marks, no abnormalities were found at the origin. Fig. CH46.3 Fracture surface opened up...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050245
EISBN: 978-1-62708-311-9
... off by a cloth, and a developer is sprayed on. The inspection process is fairly simple where limited inspection resources are available. Liquid penetrants can be used for faster and more precise inspection. Liquid penetrants containing fluorescent dyes are applied to the surface of a clean part...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270080
EISBN: 978-1-62708-301-0
... of the tie-rod ( Fig. CH8.5 ). After this modification, the tie-rod was proof loaded as per requirements, and a dye-penetrant test was carried out. The tie-rod withstood the proof loading and there was no cracking after proof loading. Fig. CH8.5 (a) 1. Original tie-rod that failed in the trial run. 2...