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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048630
EISBN: 978-1-62708-217-4
... to minimize hydrogen embrittlement. The bolts broke at the junction of the head and shank. The nuts were, theoretically, installed fingertight. The failure was attributed to hydrogen embrittlement that had not been satisfactorily alleviated by subsequent baking. The presence of burrs on the threads prevented...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0047694
EISBN: 978-1-62708-219-8
... that produced poorly formed weld burrs. The postweld heat treatment was standardized on the 760 deg C (1400 deg F) transformation treatment. The chisel shape of the wire ends was abandoned in favor of flat filed ends. The wrap test was improved by adopting a hand-cranked device. Under these conditions...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001420
EISBN: 978-1-62708-220-4
... attached over most of its circumference. The basket also contained a 22-gauge Monel metal liner that had been perforated by stabbing, raising pronounced burrs that faced each hole. Apart from the local spots of corrosion due to the lining, the inner surface of the basket showed little evidence of general...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0046205
EISBN: 978-1-62708-225-9
... near -18 deg C (0 deg F). During the summer, similar shafts had a service life of 5 to eight months. Examination of the fracture surface showed brittle fatigue cracks, and visual examination of the splines disclosed heavy chatter marks at the root of the spline, with burrs and tears at the fillet area...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089646
EISBN: 978-1-62708-235-8
... showing a higher-than-normal carbon content and/or carbon equivalent. Larger and more numerous cope side graphite nodules broke open, causing ferrite caps or burrs. They then became the mechanism of failure by breaking down the oil film and eroding the beating material. A byproduct was heat, which...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001576
EISBN: 978-1-62708-219-8
... caused blade failure. Air compressors Burrs Fan blades Stress concentration Cold-rolled steel Fatigue fracture Overview of Blade Failure Fracture Surface Materials of Blade Shape of Stress Concentrating Section Fracture Crack Propagation Fatigue Crack Starting Test...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001176
EISBN: 978-1-62708-229-7
..., in contrast to the first specimen, did not show clearly discernible attacked areas but only single smaller blisters whose nature could not be established externally. The welding material had in places penetrated to the interior and formed a burr on the inner surface of the tube. For the purpose...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0048674
EISBN: 978-1-62708-222-8
... steel. They were barrel finished to remove burrs and hardened and tempered to 45 to 52 HRC. The fasteners were electroplated with zinc and coated with clear zinc dichromate. During attachment of the fabric to the furniture, approximately 30% of the fasteners cracked and fractured as they were...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
.... As-polished. 100× Fig. 9 Typical cavitation damage on the surface of a sliding bearing. Fig. 11 Burrs around a hole drilled through the wall of a spherical bearing at a lubrication groove. The burrs contacted the mating surface, resulting in rough operation of the bearing. Fig. 12...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... parallel to casting surface; removable by burr or chisel Scabs, expansion scabs D 232 (a) As above, but impossible to eliminate except by machining or grinding Cope spall, boil scab, erosion scab D 233 (a) Flat, metallic projections on the casting where mold or core washes or dressings...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
... tooth with cold work. Ferric chloride etch. (d) Alloy steel gear with worn teeth. Original magnification: 5×. (e) Section through worn tooth with burrs. Structure change from heat of wear is visible. Nital etch. (f) Deformed material on top tooth. Nital etch Discontinuities can facilitate...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... itself, including all discontinuities, anisotropies, and inhomogeneities present. Local surface imperfections, such as scratches, mars, burrs, and other fabrication flaws, are the most obvious flaws at which fatigue cracks start. Surface and subsurface material discontinuities in critical locations also...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... containing soft ceramic shot filler. (Note the round particles in the epoxy at the top.) The specimen is annealed H13 hot work die steel, and it was etched with picral. Fig. 16 Light micrograph showing cutting damage (arrows at left) and a burr at the corner of a specimen of commercial-purity...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... filler (round particles in the epoxy at the top.) The specimen is annealed H13 hot work die steel etched with picral. Fig. 8 Light micrograph showing cutting damage (arrows at left) and a burr at the corner of a specimen of commercial-purity titanium (ASTM F67, grade 2) etched with modified...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1