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Magnetic particle testing

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Published: 01 June 2019
Fig. 4 Section of surface of a crank arm after magnetic particle testing. 2 3 × More
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Published: 15 January 2021
Fig. 3 Magnetic particle testing of weld indications with pie gage More
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Published: 30 August 2021
Fig. 71 Magnetic-particle testing results from near fracture area 1. Arrows indicate crack locations More
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Published: 30 August 2021
Fig. 72 Magnetic-particle testing results from between fracture areas 2 and 3. Arrows indicate crack locations More
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Published: 30 August 2021
Fig. 73 Magnetic-particle testing results from near fracture area 3. Arrows indicate crack locations More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047148
EISBN: 978-1-62708-235-8
... for testing. Analysis (visual inspection, 100x nital-etched micrograph, fluorescent magnetic-particle testing, and metallographic examination) supported the conclusion that the rod failed in fatigue with the origin along the lap and located approximately 4.7 mm below the forged surface. The presence of oxides...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089734
EISBN: 978-1-62708-235-8
... welds joining 200 mm (8 in.) diam 90 deg elbows and pipe to 200 mm (8 in.) diam welding-neck flanges. A flange-elbow-flange assembly and a flange-pipe assembly that had leaked were removed for examination. Investigation (visual inspection, hardness testing, chemical analysis, magnetic-particle testing...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001041
EISBN: 978-1-62708-214-3
... section and an internal fillet-welded diaphragm. Sections from each of the cross members were subjected to a complete analysis, including chemical analysis, magnetic particle testing, mechanical testing, scanning electron microscope/fractography, and metallography. The primary mode of failure was found...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
... metallography root cause analysis visual testing penetrant testing magnetic particle testing THE GOAL OF USING NONDESTRUCTIVE EVALUATION (NDE) in conjunction with failure analysis is to obtain the most comprehensive set of data in order to characterize the details of the damage and determine...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001300
EISBN: 978-1-62708-215-0
... carefully for signs of cracking or misalignment. Ultrasonic testing is recommended for detection of subsurface cracks, while magnetic particle testing will detect surface cracking. Visual inspection can be used to determine the teeth contact pattern. Alignment Pulverizers Rolling contact Mechanical...
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Published: 01 December 1992
Fig. 2 View of the other striking surface of the hammer after magnetic particle testing. Note magnetic particle indications. More
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Published: 01 December 2019
Fig. 3 Longitudinal primary and secondary cracks on the outside surface as revealed by magnetic particle testing More
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Published: 30 August 2021
Fig. 15 Crater crack in carbon steel fillet weld termination as revealed under wet fluorescent magnetic-particle testing More
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Published: 01 June 2019
Fig. 3 Showing crack which penetrated drum. (Both photographs taken after application of magnetic particle test). More
Image
Published: 01 June 2019
Fig. 1 Cracked cylinder insert collar. (a) Collar with cracks. 0.75×. (b) Section of the collar shown in (a); a magnetic-particle test on a white-painted section. 0.6×. Source: Ref 1 More
Image
Published: 01 December 1993
Fig. 1 Heat-treated end frame component after cadmium plating. Several tiny cracklike indications, primarily in the base fillet radial zones, were detected by magnetic-particle testing. More
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Published: 30 August 2021
.) This macrocrack formed in the high-stress region near the weld because of the linkage of microcracks and fissures caused by high-temperature hydrogen attack. WFMT, wet fluorescent magnetic-particle testing; ID, inside diameter More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0046242
EISBN: 978-1-62708-236-5
... to remove any debris. Couplings Gears Magnetic particle testing Overheating Spalling 4130 UNS G41300 Fatigue fracture Figure 1 shows an integral coupling and gear, used on a turbine-driven main boiler-feed pump, that was removed from service after 1 year of operation because of excessive...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001072
EISBN: 978-1-62708-214-3
... to the outer diameter. The entire impeller surface was tested by the dry magnetic particle method. Visual and microstructural examinations revealed intergranular cracking. Energy-dispersive spectroscopy of corrosion products contained in the cracks disclosed the presence of chlorine and sulfur The failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047856
EISBN: 978-1-62708-217-4
... vendors were notified about the excess size of the nonmetallic inclusions in the master connecting rods and a nondestructive-testing procedure for detection of large nonmetallic inclusions was established. Inspection Magnetic particle testing Radiography Stress concentration AMS 6412 4337 UNS...