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Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006512
EISBN: 978-1-62708-207-5
...Abstract Abstract This article describes the methods used for coloring anodized aluminum coatings: integral coloring, electrolytic coloring, chemical coloring, and organic dyeing. It discusses organic dye chemistry in terms of single-component organic dyes and multicomponent dyes. The article...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006499
EISBN: 978-1-62708-207-5
... acetate, midtemperature, cold, and dichromate sealing. It reviews the factors that affect seal quality: immersion time, chemistry concentration, temperature, pH, water quality, coating thickness, and contaminants/dye bleeding. The article describes the various tests that are used for determining...
Book Chapter

By Jude Mary Runge
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006523
EISBN: 978-1-62708-207-5
... oxide must be of a thickness to maintain color through dyeing; a thicker oxide (∼20 μm) yields a beautiful, stable, black color. In total, the dyed anodic oxide has the added value of appearance, haptic, and durability over plastic parts and is less expensive than similar components manufactured from...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009075
EISBN: 978-1-62708-177-1
... include bright-field illumination, dark-field illumination, polarized-light microscopy, interference and contrast microscopy, and fluorescence microscopy. The article also provides a discussion of sample preparation materials such as dyes, etchants, and stains for the analysis of composite materials using...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009079
EISBN: 978-1-62708-177-1
... Fig. 4 Microcracked carbon fiber composite material illustrating the crack morphology in a fiber tow that is in the same plane as the polished surface. Bright-field illumination, 10× objective Fig. 6 Microcracks in a glass and thermoplastic fiber hybrid composite. Red penetration dye...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009072
EISBN: 978-1-62708-177-1
...Contrast dyes for addition to epoxy mounting resins<xref rid="n0026055" ref-type="table-fn">(a)</xref> Table 1 Contrast dyes for addition to epoxy mounting resins (a) Rhodamine B: Basic Violet 10; dye/laser dye Rhodamine G6: Basic Red 1; dye/laser dye Coumarin 35: 7-(diethylamino...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009083
EISBN: 978-1-62708-177-1
... of DYKEM Steel Red dye, which was applied to the composite surface and wiped off with an acetone-dampened cloth. The dye wicked through the composite from the surface, leaving the dye in the microcracks. Dark-field illumination, 5× objective. (b) Top surface of the aramid fiber composite facesheet after...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003464
EISBN: 978-1-62708-195-5
... with rhodamine-B and viewed at 390 to 440 nm. The use of dye was necessary to distinguish the dispersed second phase in the matrix. Abstract Abstract Microscopy is a valuable tool in materials investigations related to problem solving, failure analysis, advanced materials development, and quality...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009080
EISBN: 978-1-62708-177-1
... in the interlayer region, with another smaller dispersed phase fluorescing yellow. To distinguish these particles, a fluorescing 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...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009085
EISBN: 978-1-62708-177-1
... of a conductive foil on the surface of the composite part significantly reduced the damage. To further analyze the area under the strike zone, the damaged area was impregnated under vacuum with a low-viscosity epoxy casting resin. No contrast dye was added to the casting resin. The first layer of expanded...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001281
EISBN: 978-1-62708-170-2
... acid Dye, seal Food Landing gear 205 mm diam by 1.4 m 8 in. diam by 4 1 2 ft 7079-T6 (b) Chromic acid Paint Corrosion resistance Mullion 3.7 m by 180 mm by 100 mm (c) 12 ft by 7 by 4 6063-T6 (d) Sulfuric acid (e) Seal, lacquer (f) Urban atmosphere Name plates...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006447
EISBN: 978-1-62708-190-0
... , 2 ). Fig. 1 Use of articulated mirror to check a weld after dye penetrant inspection. Courtesy of A. Antonatos Fig. 2 Use of articulated mirror to check a crack inside a bore after dye penetrant inspection. Courtesy of A. Antonatos Direct Visual Examination Indirect Visual...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003680
EISBN: 978-1-62708-182-5
...), 3 min. (c) 90 °C (194 °F), 30 min. Other experimental conditions are described in Table 2 . Typical anodizing procedures are listed in Table 4 . Anodizing in sulfuric acid solutions is common, and results in transparent anodic oxide films, which are adequate for dyeing. These films may...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004215
EISBN: 978-1-62708-184-9
... Inspection,” 2000 • Health and Safety Executive (UK) HSE, “Best Practice for the Procurement and Conduct of Non-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...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001754
EISBN: 978-1-62708-178-8
... was sectioned, ground, and polished, but not etched. Chemical etching and subsequent evaluation of the macrostructure may fail to reveal this type of structural defect ( Fig. 6b ). Fig. 6 Macrostructure of a continuous-cast copper ingot. (a) Spider cracks revealed using dye-penetrant inspection...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009081
EISBN: 978-1-62708-177-1
... epoxy casting resin. The use of epi-bright-field illumination does not allow the dye to fluoresce, and therefore, the cracks are hard to distinguish. Bright-field montage, 5× objective Fig. 4 Impact damage of a carbon fiber composite material that has a toughened matrix. (a) Montage...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004160
EISBN: 978-1-62708-184-9
... has been shown to be highly susceptible to SCC. Figure 1 shows fluorescent dye penetrant indications of SCC on the inner retaining ring surface. This ring had been part of a rotor stored in uncontrolled conditions for about 5 years. Fig. 1 Fluorescent dye penetrant examination showing linear...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005338
EISBN: 978-1-62708-187-0
... on the setup by the molten metal. Grinding Chemical Milling Castings are evaluated using a number of destructive and nondestructive techniques. Castings can be evaluated using radiographic examination, dye penetration, mechanical testing, and chemical analysis. Radiographic Testing of Castings...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006336
EISBN: 978-1-62708-179-5
... and discontinuities. Penetrants can be classified as either fluorescent penetrants (type I) or visible or dye penetrants (type II). Fluorescent penetrants illuminate when exposed to ultraviolet light, which provides a high contrast to the background and is considered to be more sensitive than dye penetrants. However...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003231
EISBN: 978-1-62708-199-3
... in.) beyond the area being inspected. The penetrant is left on the surface for a sufficient time to allow penetration into flaws. Times are based on experience. Table 1 shows some typical times for different materials and defect types. Typical penetration time for a dye penetrant Table 1 Typical...