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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001218
EISBN: 978-1-62708-234-1
... Abstract Screens made of stainless steel X5 Cr-Ni-Mo 18 10 (Material No. 1.4401), which were exposed to cooling water from the mouth of a river, became unserviceable after a few months because of the breaking out of parts of the bars. The multiple fracturing of the screen bars in the brackish...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001213
EISBN: 978-1-62708-220-4
... Abstract Fragments of screen bars which as structural elements of a condenser had come into contact with cooling water from the mouth of a river were received. The screen bars were made of stainless austenitic Cr-Ni-Mo steel X 5 Cr-Ni-Mo18 10 (Material No. 1.4401). The bars were fractured...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047161
EISBN: 978-1-62708-235-8
... Abstract Routine magnetic-particle inspection revealed crack indications in a number of shafts produced from hot-rolled 4130 steel bar. A pronounced indication of this size is cause for rejection if the defect is not eliminated during subsequent machining. A microstructural analysis...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001460
EISBN: 978-1-62708-221-1
... Abstract Tie bars of a dragline excavator each consisted of a rectangular section steel bar to which eye-pieces, to facilitate anchorage, were attached by butt-welds. Failure of one weld in each bar after seven years of service allowed the boom to fall and become extensively damaged...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001109
EISBN: 978-1-62708-214-3
... Abstract Grate bars in the traveling grate indurators in several taconite processing units suffered excessive corrosion following a conversion from acid to fluxed pellet production procedures. The campaign life of the HH grade cast stainless steel bars was reduced from more than 7 years...
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
... Abstract Two 25 x 40 mm (1 x 1.5 in.) AISI 4150 hot-rolled steel bars that cracked during heat treatment were examined to determine whether the heat treating procedure had contributed to the failure. Metallographic examination of a cross section taken through the fracture revealed an oxide...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001261
EISBN: 978-1-62708-219-8
... Abstract A ceiling in a concrete structure was hung on flat bars with a cross section of 30 x 80 mm. The bars were borne by a slit steel plate and supported by tabs that were welded onto the flat sides. One of the bars fractured during mounting when it was dropped from a height of about 1 m...
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Published: 01 January 2002
Fig. 2 Ten different types of flaws that may be found in rolled bars. (a) Inclusions. (b) Laminations from spatter (entrapped splashes) during the pouring. (c) Slivers. (d) Scabs are caused by splashing liquid metal in the mold. (e) Pits and blisters caused by gaseous pockets in the ingot. (f More
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Published: 01 January 2002
Fig. 15 Deformation of medium-carbon and hardenable steel bars by quenching from below and above the transformation temperature and by stress relieving. l c , change of length; WQ, water quench; OQ, oil quench. (a) to (c) JIS S38C steel (0.38% C). (d) to (f) JIS SNCM 439 steel (0.39% C, 1.8 More
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Published: 01 January 2002
Fig. 27 Two tensile bars of cartridge brass: one tested to failure, showing low ductility; other not tested. Rough “orange-peel” surface texture on the outside of the tested sample is another macroscale indication of a very large grain size. More
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Published: 01 June 2019
Fig. 1 Fractured screen bars. 1 × More
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Published: 01 June 2019
Fig. 1 View of cross bars of conveyor belt. 1 × More
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Published: 01 June 2019
Fig. 2 Longitudinal sections through cross bars. Etch: Nital. 3 × More
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Published: 01 June 2019
Fig. 2 Typical sulphur prints from part cross sections fo bars of rimming steel (above) and killed steel (below) More
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Published: 01 June 2019
Fig. 9 Section through one of the fractured bars shown in figure 8 . (× 35). More
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Published: 01 June 2019
Fig. 16 Failure of bars at junction to end ring. More
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Published: 01 June 2019
Fig. 25 Failure of bars of a.c. Motor at brazed ends. More
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Published: 01 June 2019
Fig. 26 Section through incipient cracks in unbroken bars. (× 3.5). More
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Published: 15 January 2021
Fig. 5 Haigh fatigue diagram for unnotched and notched round bars of quenched and tempered 42CrMo4V steel (AISI 1140) More
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Published: 15 January 2021
Fig. 27 Tensile bars of cartridge brass: one tested to failure, showing low ductility; the other not tested. Rough “orange-peel” surface texture on the outside of the tested sample is another macroscale indication of a very large grain size. More