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dye penetrant inspection

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048845
EISBN: 978-1-62708-229-7
... to tube seat were revealed by surface inspection. Cracks were found to originate from inside the header, extend axially in the tube penetrations and radially from those holes into the ligaments. Cracks in 94 locations, ranging from small radial cracks to full 360Ý cracks were revealed by dye-penetrant...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0047181
EISBN: 978-1-62708-233-4
... Abstract Hydraulic cylinder housings were being fabricated from 4140 grade seamless steel tubing. During production, magnetic-particle inspection indicated the presence of circumferential and longitudinal cracks in a large number of cylinders. Analysis (visual inspection, dye penetrant...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047072
EISBN: 978-1-62708-217-4
... inspection, dye-penetrant inspection, and 10x/150x micrographs of sections etched with Keller's reagent) supports the conclusion that the outer shell of the bullet assembly separated from the stiffener because the four attachment clips fractured through the shell-to-clip spot welds. Fracture occurred...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0091362
EISBN: 978-1-62708-220-4
... and measured 1.5 m (58 in.) in diameter and 8.5 m (28 ft) in length. Investigation (visual inspection, chemical analysis, radiography, dye-penetrant inspection, and hydrostatic testing of all E-Brite welds, 4x images, 100x/200x images electrolytically etched with 10% oxalic acid, and V-notch Charpy testing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001543
EISBN: 978-1-62708-218-1
... by visual inspection, hardness traverses, radiography, dye penetrant inspection, chemical analysis, macrometallography, optical microscopy, and electron microscopy. The crown of one piston had a rough, crumbly deposit, which was detachable with a knife. Two pistons had remains of carbonaceous deposits...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001328
EISBN: 978-1-62708-215-0
... Abstract During 5.7 years of service, dye penetrant inspection of Inconel 800H pigtail connections regularly showed cracks at weld toes. Weld repairs were not able to prevent reoccurrence but often aggravated the condition. Samples containing small, but detectable, reducer-to-pigtail cracks...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001753
EISBN: 978-1-62708-241-9
... Abstract A failure analysis investigation was conducted on a fractured aluminum tailwheel fork which failed moments after the landing of a privately owned, 1955 twin-engine airplane. Nondestructive evaluation via dye-penetrant inspection revealed no discernible surface cracks. The chemical...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001134
EISBN: 978-1-62708-214-3
... occurrences and that a dye penetrant inspection be performed on the renwinder of the chain. Welded joints ASTM A391 Ductile fracture Background An ASTM A 391 steel chain link of an overhead hoist failed catastrophically, causing damage to property and personnel. Applications Mechanical...
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Published: 15 January 2021
Fig. 46 (a) Abusive grinding caused this 50 mm (2 in.) diameter AISI O1 tool steel die to crack (left, after dye-penetrant inspection). (b) Typical appearance of the cracks (etchant has bled out of the crack, producing a stain around it). Specimen etched with nital More
Image
Published: 01 January 2002
Fig. 37 (a) Abusive grinding caused this 50 mm (2 in.) diameter AISI O1 tool steel die to crack (left, after dye-penetrant inspection). (b) Typical appearance of the cracks (etchant has bled out of the crack, producing a stain around it). Specimen etched with nital More
Image
Published: 01 January 2002
in the similar valve bodies. (a) Crack indicated by dye-penetrant inspection in bore of valve. 1×. (b) Crack relative to the inlet and outlet ports. 1.25×. (c) Fatigue striation found on the fracture surface. 7000× More
Image
Published: 01 June 2019
Fig. 1 Alloy steel seamless tubing that failed because of quench cracks. (a) Cross section of tube showing extensive cracking revealed by dye-penetrant inspection. (b) SEM micrograph showing intergranular fracture at a crack origin. 90x. (c) SEM micrograph illustrating the brittle mode More
Image
Published: 30 August 2021
for similar valve bodies. (a) Crack indicated by dye-penetrant inspection in the bore of the valve. Original magnification: 1×. (b) Crack relative to the inlet and outlet ports. Original magnification: 1.25×. (c) Fatigue striation found on the fracture surface. Original magnification: 7000× More
Image
Published: 15 January 2021
of the same pipe in (a) after it was subjected to dye-penetrant inspection. (c) Macrograph of a cross section from the evaporator tube. Numerous multibranched, transgranular stress-corrosion cracks initiated from corrosion pits in the outside-diameter surface. Original magnification: 35×. Courtesy of J.P More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001025
EISBN: 978-1-62708-214-3
... change, approximately every 3 years. Inspection procedures include paint stripping and use of dye penetrant. Performance of Other Parts in Some or Similar Service Very little information could be obtained from the Air Force or the airplane manufacturer concerning failure rates of these particular...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048791
EISBN: 978-1-62708-234-1
... that had originally been extruded as a 65-cm (26-in.) diam, 75-mm (3-in.) thick pipe section. The material had been bright dipped, sand blasted, dye penetrant inspected, and passivated by the manufacturer. A spare cross from a sister power station was examined and found to have similar indications. Both...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001342
EISBN: 978-1-62708-215-0
... Evaluation Liquid Penetrant Testing The bellows was dye penetrant inspected for possible cracks using the fluorescent dye method. Thorough inspection did not reveal any through cracks in the main bellows assembly. Surface Examination Macrofractography Stereoscopic examination of the outer...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001291
EISBN: 978-1-62708-215-0
... examination. Arrow indicates region that was hard chromium plated. Wheel axle is at lower end. Testing Procedure and Results Nondestructive Evaluation Dye Penetrant Inspection Dye penetrant inspection of the electroplated hard chromium band revealed cracking with a distinct helically banded...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001745
EISBN: 978-1-62708-217-4
... action between aluminum alloy bracket and steel bolt. To preclude or minimize recurrences, fittings in service should be inspected periodically by dye penetrant for signs of cracking on the end face and within the fitting hole and protected with a suitable coating to exclude damaging chlorides. Also...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001085
EISBN: 978-1-62708-214-3
... Been Prevented The failure might have been avoided if dye penetrant inspection had been performed after repair welding. Acknowledgment This work was performed under the auspices of the U. S. Nuclear Regulatory Commission. Selected Reference Selected Reference • Failures Related...