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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001557
EISBN: 978-1-62708-234-1
...Abstract Abstract A number of machined end frame steel forgings made of Cr-Si-Mn alloy showed tiny cracks during magnetic particle inspection after heat treatment. The cracks were mostly confined to base edges and fillet radius. No significant abnormality was observed in chemical composition...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001431
EISBN: 978-1-62708-221-1
...Abstract Abstract The sudden collapse of a tower crane on a building site resulted in severe injuries to the driver. Failure took place at the upper portion of the foundation or lowermost section. The mast sections were constructed from four main corner angles welded to end frames also made...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001289
EISBN: 978-1-62708-215-0
...Abstract Abstract The repeated occurrence of random cracks in the fillet radius portion of low-alloy steel (38KhA) end frame forgings following heat treatment was investigated. Microstructural analyses were carried out on both the failed part and disks of the rolled bar from which the part...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001472
EISBN: 978-1-62708-221-1
...Abstract Abstract Severe damage to the jib of a dragline excavator resulted from failure of the shaft which carried the derricking sheaves at the apex of the "A" frame. Failure occurred within the hub of the center sheave of the group of three at the right-hand end of the shaft. The shaft...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0047508
EISBN: 978-1-62708-221-1
...Abstract Abstract A riveted 0.25% carbon steel oil-storage tank in Oklahoma was dismantled and reassembled in Minnesota by welding to form a storage tank for soybean oil. An opening was cut in the side of the tank to admit a front-end loader. A frame of heavy angle iron was welded to the tank...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001088
EISBN: 978-1-62708-214-3
... end. The fracture origin was flat and dull, with the final propagating fracture surface being shiny. Additionally, the toe of the SMA tack weld bead was present at the origin ( Fig. 2 and 3 ). No thread damage was present. The fracture surface from specimen B was too damaged to allow meaningful...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001821
EISBN: 978-1-62708-180-1
... on the top of the floor-beam flange; in others, the stringers framed into the floor beam. The possibility of fatigue cracks forming at the ends of welded cover plates was demonstrated at the American Association of State Highway Officials (AASHO) Road Test in the 1960s ( Ref 3 ). Multiple-beam bridges...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001309
EISBN: 978-1-62708-215-0
... arm in front and the axle at the rear. The frame can be represented as a simple beam, as shown in Fig. 6 , with both ends supported and a vertical load applied to the center. Classic beam theory indicates that the upper surface would have a compressive stress while the lower surface would have...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001842
EISBN: 978-1-62708-241-9
...). Balancing is now an issue. Steps need to be taken to compensate for varying wall thickness, recognizing that the wall thickness of seamless pipe product will not be uniform. Figure 3 shows the fracture location on the roll, the fracture having occurred 70 in. (1778 mm) from one end. Figure 4 shows...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001486
EISBN: 978-1-62708-234-1
.... Other workers have suggested the use of a cam-ground piston with this end in view. Much greater success in reducing the severity of the piston impact has attended work done by the Admiralty Research Laboratories, using a specially designed piston incorporating an annular belt of oil between upper...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0065826
EISBN: 978-1-62708-233-4
... to fix the wire. The other end of the tube was bent so that it could be looped over the insulator on the frame, as shown in Fig. 2 . The wires broke at the apex of the tube or just slightly below it, as shown in Fig. 3 . Fig. 2 Replacement precipitator wires. (a) View of a type 304 replacement...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001828
EISBN: 978-1-62708-241-9
..., a cast material, to an ASTM A182-82 Grade F6a (Nuclear Class 4), which is a forging and has proven operating history for end fittings of CANDU reactors. Thus, the possibility of defects arising from a casting is eliminated. The heat treatment procedure was very closely monitored and controlled to give...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001665
EISBN: 978-1-62708-231-0
... , 2002 , p 587 – 626 10.31399/asm.hb.v11.a0003538 Figure 1 is a simplified drawing of one end of the casting prepared from the original engineering drawings. It gives a general idea of the shape of the casting as seen from a direction perpendicular to the axis of the freight car. The journal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001710
EISBN: 978-1-62708-229-7
... time, the basin operators noticed that there was an uncoupling of two of the racks remaining in the basin. There was a separation of about 45.7 cm (18 in.) at one end of rack relative to the other rack. Since one of the racks contained spent fuel, this constituted an unauthorized movement and a formal...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... burner. The frame-mounted fan and ducting to the windbox were replaced by an in-line burner, fan, and motor unit, which was connected directly to the end of the boiler casing by means of a custom-made adapter ring. As there was no code requirement for how to make such a connection, it was simply done...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001458
EISBN: 978-1-62708-220-4
... showing at the root to a depth of approximately 1 16 in. over most of the length of the weld. This feature is evident in Figure 2 , which shows the top end of the weld where the fracture ran away from it through an adjoining rivet hole. The lack of penetration can be seen in this photograph...
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
... of these vessels are concerned with developing end-of-life criteria and inspection methods for these and similar older pressure vessels. Selected Reference Selected Reference • Failures Related to Casting , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 103...
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
... 0.0140 213.5 156 77.3 3.81 0.0150 214.5 155 77.0 4.06 0.0160 203.0 173 83.0 4.31 0.0170 204.5 170 82.0 (a) Survey starts in weld metal and ends in base metal. Heat-affected zone is area of reduction hardness. Fig. 16 Plot of microhardness survey through weld metal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001670
EISBN: 978-1-62708-217-4
.... The overal length is approximately 15.5 inches with a wall thickness of 0.071 inches ± 0.003 inches. The open end contains internal threading which runs for a distance of approximately 0.75 inches along the length of the case. Fig. 1 TOW flight missile case. Initial processing starts...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001111
EISBN: 978-1-62708-214-3
... hot crack, which occurred at the end of the flange-to-cross-frame butt weld. Strong support for the theory of hot cracking was provided by varestraint welding tests of the casualty steel plate to determine the weld hot-cracking susceptibility of the steel. The great number of cracks that formed...