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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0090965
EISBN: 978-1-62708-221-1
... Abstract The upper frame from a large cone crusher failed in severe service after an unspecified service duration. The ductile iron casting was identified as grade 80-55-06, signifying minimum properties of 552 MPa (80 ksi) tensile strength, 379 MPa (55 ksi) yield strength, and 6% elongation...
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
... Abstract Bending fatigue caused crack propagation and catastrophic failures at several locations near the welds on the low-carbon steel tubular cargo box frame of police three-wheel motorcycles. ANSYS finite element analysis revealed that bending stresses in some of the frame members were...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001121
EISBN: 978-1-62708-214-3
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 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
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001030
EISBN: 978-1-62708-214-3
... Abstract Cracks were discovered between interference-fit fasteners (MoS2-coated Ti-6Al-4V) that had been incorporated into a fighter aircraft primary structural frame (D6ac steel) to enhance structural fatigue life. Examination of sections cut from the cracked frame established that the cracks...
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Published: 01 June 2019
Fig. 1 Failure of a ductile iron cone-crusher frame. (a) Near-surface microstructure of the frame showing degenerate graphite morphology rather than the intended nodular structure evident in the core. Unetched. 30×. (b) The typical frame microstructure also exhibits high levels of ferrite More
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Published: 01 June 2019
Fig. 3 Macro-etched sections through the end frame to corner angle attachments revealing use of “make-up” pieces. More
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Published: 01 June 2019
Fig. 4 Macro-etched sections through the end frame to corner angle attachments revealing use of “make-up” pieces. More
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Published: 01 January 2002
Fig. 18 Failure of a ductile iron cone-crusher frame ( example 7 ). (a) Near-surface microstructure of the frame showing degenerate graphite morphology rather than the intended nodular structure evident in the core. Unetched. 30×. (b) The typical frame microstructure also exhibits high levels More
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Published: 01 January 2002
Fig. 16 Counting frame for unbiased counting number of features. Source: Ref 94 More
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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: 01 December 1993
Fig. 1 Frame nomenclature More
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Published: 01 December 1993
Fig. 4 Design of reinforced motorcycle frame More
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Published: 01 December 1992
Fig. 1 D6ac steel frame. More
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Published: 01 December 1992
Fig. 2 Fluorescent magnetic particle display of cracks in a D6ac steel frame flange on a fighter aircraft. More
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Published: 01 December 1992
Fig. 3 Typical fracture face in D6ac steel frame. More
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Published: 01 December 1992
Fig. 5 Multiple cracking and crack branching in D6ac steel frame. 142×. More
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Published: 01 December 1992
Fig. 3 Fracture origin at weld joining cross frame to flange. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001138
EISBN: 978-1-62708-231-0
... Abstract A hi-rail device is a vehicle designed to travel both on roads and on rails. In this case, a truck was modified to accept the wheels for rail locomotion. The rear wheel/axle set was attached to the truck frame. Both the front and rear wheel/axle sets were raised by means of a hydraulic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0091853
EISBN: 978-1-62708-223-5
... consisted of a heavy gray cast iron frame, a gravity feeder port, a runner, and a heavy-duty motor. The frame and gravity feeder weighed over 200 kg (440 lb) and, in some areas, was over 25 mm (1 in.) thick. To obtain the operating speed of 200 rpm, a gear system was used to transmit the torque from the 2...