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dye penetrant testing

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006428
EISBN: 978-1-62708-217-4
... numbers 67, 217, and 250. Scanning electron microscopy (SEM) examination of the fractures showed that failure initiated by SCC or a corrosion pit on all failures examined. The failures then progressed by fatigue. Dye penetrant testing revealed no additional flaws on the wheels that had failed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001679
EISBN: 978-1-62708-229-7
... EB 3 rd 10/89 EB welded and shot peened from weld to outer flange — 1990 EB 3 rd 7/90 EB welded and shot peened on all flange and outer venturi 237 1990 MP 3 rd 7/90 machined from single block 232 All stages removed from service were tested with a dye penetrant...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001352
EISBN: 978-1-62708-215-0
... stainless steel weld, available on the other junction of the ball and stem at location C ( Fig. 2 ) was used for detailed metallographic examination. The weld was checked by dye penetrant testing, which revealed some defects in the weld region. To learn about the nature and origin of defects...
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
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001068
EISBN: 978-1-62708-214-3
... was attached, the tank surfaces were cleaned and passivated. Fig. 1 Diagram of tank. Dimensions are in millimeters. After fabrication, gamma radiography and dye penetrant testing revealed no defects in any of the tanks. Following hydrostatic and helium leak (under pressure) tests, the tanks were...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001314
EISBN: 978-1-62708-215-0
...., 4-inch diameter) have been successfully used with a horizontal coil axis. Field NDE dye penetrant examination revealed extensive cracking in coils 5 and 6, and no cracking in coils 1–4 (see Figure 1 ). Coils 5 and 6 were removed from the vaporizer for additional testing, including a more...
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
.... Model drawings of the component ( Fig. 5 ) were generated using Unigraphics NX 6 software. A stress analysis of the component was done via FEA using Unigraphics NX Nastran software, with a mesh size of 9.92 mm. Non-Destructive Testing Chemical Analysis Two dye-penetrant inspections...
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
...Abstract Abstract Linear indications on the outer surface of a cross in a piping system were revealed by dye-penetrant examination. The cross was specified to be SA403 type WP 304 stainless steel. The cross had been subjected to induction-heating stress improvement. The linear indications...
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
... to have original, unaltered weldments. One had evidently been previously repaired. Two specimens had shown indications of cracking when inspected using dye penetrant. Dye Penetrant Testing All system components were abrasively blasted with ground walnut shells prior to inspection and selection...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001392
EISBN: 978-1-62708-231-0
.... Fig. 1 Cracking on fire-side of furnace ring as revealed by dye-penetrant test Microscopical examination of specimens taken to include sections through the cracks showed them to be filled with oxide and to be of the multi-branched type, having blunt terminations — a typical example being seen...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048751
EISBN: 978-1-62708-235-8
.... , Intergranular Fracture , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 641 – 649 10.31399/asm.hb.v11.a0003540 The as-received sample was dye penetrant tested before sectioning, and no cracks were indicated. Longitudinal sections were then taken along...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001332
EISBN: 978-1-62708-215-0
... from a cylindrical surface about 95 mm (3.75 in.) from the OD. Dry magnetic particle examination confirmed that the cracks extended more or less continuously in a circular path. Nondestructive evaluation was concluded with dye penetrant tests, as shown in Fig. 1 , 2 , 3 and 4 . It was quite...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001837
EISBN: 978-1-62708-241-9
... in combination with thermal stresses and constraint conditions, resulted in intergranular brittle fracture. welded nozzle assembly brittle fracture localized heating chromium alloy steel transgranular cleavage dimple rupture dye penetrant testing welding parameters 0.1%C-1.25%Cr-0.8%Mo-0.2%V steel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001709
EISBN: 978-1-62708-229-7
... stroke soot blowers, where blower tube is kept completely outside the boiler during off-time. Close-up view of the external surface of one of several tubes that had cracked is shown in Fig. 2 . Non destructive examinations using both magnetic particles and dye penetrant test methods revealed...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001386
EISBN: 978-1-62708-215-0
... failed within several days of each other. Both cells had become difficult to zero and had shown calibration drift. Load cells on a similar tank that was used less often had not failed and were relatively easy to calibrate. Liquid Penetrant Testing Dye penetrant testing of the failed load cells...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001103
EISBN: 978-1-62708-214-3
... Penetrant Testing The bolt was cut into two parts along its longitudinal axis to complete the separation of the bolthead from the shank. One half was ground and crack tested using a dye penetrant ( Fig. 3 ). A closeup view of the fractured area is shown in Fig. 4 . Several small cracks...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001662
EISBN: 978-1-62708-236-5
... of the exchanger had become separated from the interconnecting ligament strips. A dye penetrant test confirmed that many of the tube-to-ligament welds were, in fact, cracked. Figure 3 is a typical example of the cracking observed. Fig. 3 Cracking of ligament-tube weld. Clearly, the multitude...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001770
EISBN: 978-1-62708-241-9
... causes of the failure. The present investigation included spectroscopy, nondestructive testing (Dye Penetrant and Radiography) of weld joint and base plate, macro- and microexamination using optical and scanning electron microscopes, hardness profile, tensile and impact testing, and fractography...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001838
EISBN: 978-1-62708-241-9
... when inductively hot bending the pipes and to ensure that no overheating occurs. In addition, a procedure for dye penetrant testing after bending must be instituted in order to identify surface cracks that may form upon hot bending. It is also recommended that the frequency for induction heating...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001084
EISBN: 978-1-62708-214-3
... fatigue failure, which occurred after 15,000 h of nearly continuous service, initiated at porosity concentrated near a section change at the shroud/vane interface of the impeller. Prior to release to the customer, the supplier reportedly inspected the impellers for surface defects using dye penetrant...