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(Other, general, or unspecified) fracture

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001743
EISBN: 978-1-62708-217-4
... example of the most common type of cylinder failure is illustrated. Airplane engines Castings Engine cylinders Engine valves Housings Turbocompressors Ferrous engine cylinders (Other, general, or unspecified) fracture Cylinder fatigue can be due to abnormal heating in service, also...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0060097
EISBN: 978-1-62708-219-8
... to be a freeze-up of the tube side water that occurred during interruption of the tube side flow or misoperation of the unit. Air conditioning equipment Bursting Eddy current testing Excessive internal pressure Tubes Copper tube (Other, general, or unspecified) fracture An eddy current survey...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001203
EISBN: 978-1-62708-235-8
.... Bearing boxes Overheating Welded joints Welded steel Joining-related failures (Other, general, or unspecified) fracture Three bearing bosses from the cover of scrap shears were sent in for examination. They had torn off the base plate to which they had been welded by fillet welds all around. Two...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001250
EISBN: 978-1-62708-223-5
... to such stresses together with the low purity favored the fracture of the tool. Cracking (fracturing) Forming dies High speed tool steels Segregations DMo5 (Other, general, or unspecified) fracture Figure 1 shows a general view of the piece of the broken cross-recessed die under examination...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001227
EISBN: 978-1-62708-235-8
... gave rise to the conclusion that it was formed either by the sole or contributive effect of these stresses. Cooling rate Cracking (fracturing) Pipe bends St 35.29 (Other, general, or unspecified) fracture Metalworking-related failures An elbow of 70 mm O. D. and 10 mm wall thickness...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001131
EISBN: 978-1-62708-214-3
... as a result of an oxide seam in the original material rather than from oxide from heat treating. Nondestructive testing prior to machining and heat treatment was recommended. Cracking (fracturing) Quenching (cooling) Resulfurized steels 4150 UNS G41500 (Other, general, or unspecified) fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0048804
EISBN: 978-1-62708-230-3
... rates, and variation in tensile strength to be noted during inspection were described. Cracking (fracturing) Dryer rolls Paper machines Gray iron Casting-related failures (Other, general, or unspecified) fracture Unlike the individual examples of failures discussed throughout...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001224
EISBN: 978-1-62708-232-7
... for sigma phase formation would have had adequate corrosion resistance at the relatively low service temperature. Castings Heat resistant steels Recuperators Sigma-phase Tubes Fe-1.4C-2.3Si-28Cr (Other, general, or unspecified) fracture A recuperator for blast heating of a cupola furnace...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001058
EISBN: 978-1-62708-214-3
... obtained indicated that the failure resulted from human error. Castings Pipe Plugs Splitting White iron (Other, general, or unspecified) fracture Background A 32 mm ( 1 1 4 in.) pipe plug ( Fig. 1 and 2 ) split water line pressurized at 550 kPa (80 psig). The worker...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001257
EISBN: 978-1-62708-235-8
... of materials that allowed an unsuitable steel to be used for the weldment. Cracking (fracturing) Materials selection Pipe Welded joints Fe-0.35C-0.99Mn-2.08Cr (Other, general, or unspecified) fracture A steel socket pipe conduit NW 150 cracked open during pressure testing next to the weld seam...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0047109
EISBN: 978-1-62708-233-4
... such as PH 13-8Mo, which can be processed to a yield strength of 1379 MPa (200 ksi), with impact energies of the order of 81 J (60 ft·lbf) at room temperature. Forgings Materials selection Valves 17-4 PH UNS S17400 (Other, general, or unspecified) fracture A series of poppet-valve stems...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046022
EISBN: 978-1-62708-217-4
... before anodizing, because chromic acid destroys the penetrant. This inspection would reduce the possibility of cracked parts being used in service. Anodizing Cracking (fracturing) Forgings Straightening 2014-T6 UNS A92014 (Other, general, or unspecified) fracture Pitting corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0090908
EISBN: 978-1-62708-221-1
... Surface defects Polyethylene (Other, general, or unspecified) fracture Figure 1 shows an optical micrograph of the fracture surface of an irrigation pipe made of medium-density PE that failed in service ( Ref 1 ). This pipe was subjected to severe cyclic-bending strain of the order of 6% while...
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
... fracturing Pipe flanges Welded joints ASTM A105 UNS K03504 (Other, general, or unspecified) fracture Background A 356 mm (14 in.) diam slip-on flange cracked. Pertinent Specifications The specification called for an integral forging or a casting. Instead, the slip-on flange had been...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001246
EISBN: 978-1-62708-224-2
... be concluded from the investigation that the temperature did not exceed the Ac3 point of the wire material, which should be about 750 deg C, and that the heating lasted a fairly long time. Cables Cracking (fracturing) Galvanized steels Overheating Wire Cold-drawn steel (Other, general...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001225
EISBN: 978-1-62708-232-7
... strength of these steels proved inadequate, an alloy lower in chromium would have been preferable. Annealing furnaces Cracking (fracturing) Heat resistant steels Sheet metal Sigma phase Fe-0.06C-1.98Si-25.8Cr-35.8Ni (Other, general, or unspecified) fracture Three radially cracked disks...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0090276
EISBN: 978-1-62708-230-3
.... Recommendations included design changes in the head/shell joint, and detailed preventive maintenance inspection procedures were also suggested. Bolts Cracking (fracturing) Design Paper machines Pressure vessels Preventative maintenance Yankee dryer Cast iron (Other, general, or unspecified) fracture...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001369
EISBN: 978-1-62708-215-0
... to the manufacturer and a replacement requested. Case depth Chipping Shafts (power) EN36A (Other, general, or unspecified) fracture Spalling wear Background A crane long-travel worm drive shaft was found to be chipped during unpacking after delivery. Pertinent Specifications The steel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048777
EISBN: 978-1-62708-229-7
... lead to local embrittlement and stress raisers, potentially initiating major failures. Boilers Hydrotesting Stress relieving thermal stresses ASTM A515 Grade 70 UNS K03101 Joining-related failures (Other, general, or unspecified) fracture A 150-cm (60-in.) inside-diameter boiler drum...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001251
EISBN: 978-1-62708-235-8
..., the aluminum addition was reduced by one-half. Since then, there have been no additional rejects due to insufficient tensile and bend values. Castings Cracking (fracturing) Flanges Nonmetallic inclusions Tension tests Fe-0.22C GS C 25 (Other, general, or unspecified) fracture In a steel...