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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0047220
EISBN: 978-1-62708-220-4
... with a tensile strength of 290 MPa (42 ksi) at 207 HRB. The smaller gear was sand cast from ASTM A536, grade 100-70-03, ductile iron with a tensile strength of 696 MPa (101 ksi) at 241 HRB. Analysis (metallographic examination) supported the conclusion that excessive beam loading and a lack of ductility...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0089534
EISBN: 978-1-62708-223-5
... that forced them together as tension was applied to the wire. Figure 1(a) shows two pairs of movable jaws; Fig. 1(b) , two pairs of stationary jaws. Fig. 1 Wire-stretching jaws that broke because of shrinkage porosity and low ductility of case and core. The jaws, sand cast from low-alloy steel, were...
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Published: 01 June 2019
Fig. 8 Ductility versus hydrogen content for aged uranium-0.8 titanium tested at two strain rates. More
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Published: 01 January 2002
Fig. 22 Effect of temperature on toughness and ductility of face-centered cubic (fcc), body-centered cubic (bcc), and hexagonal close-packed (hcp) metals More
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Published: 01 January 2002
Fig. 34 Effect of ductility on life-fraction estimates. CrMoV (ductile) is a ferric microstructure with approximately 15% elongation (high ductility) under long-term service conditions. CrMoV (brittle) is a bainitic microstructure with 3.5% elongation (low ductility). 2 1 4 Cr-1Mo More
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Published: 30 August 2021
Fig. 28 Effect of burning on ductility in a 7075 aluminum alloy. (a) Properly heated. (b) Embrittled due to liquid phases formed in grain boundary. Profile of fracture surface of tensile specimens pulled to failure More
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Published: 30 August 2021
Fig. 6 Plot of Charpy V-notch impact energy versus temperature. NDT, nil-ductility temperature; FTP, fracture transition plastic. Source: Ref 9 More
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Published: 01 December 1992
Fig. 1 Ductility transition curves from impact test results. More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... and fracture. Next, the mechanisms of void nucleation and void coalescence are briefly described. Macroscale and microscale appearances of ductile and brittle fracture are then discussed for various specimen geometries (smooth cylindrical and prismatic) and loading conditions (e.g., tension compression...
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 Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... Abstract This article provides a description of the microscale models and mechanisms for deformation and fracture. Macroscale and microscale appearances of ductile and brittle fracture are discussed for various specimen geometries and loading conditions. The article reviews the general...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0047312
EISBN: 978-1-62708-224-2
... Abstract A ductile iron T-hook hook was reported to have fractured in service. It was further reported that the hook had been subjected to a load that did not exceed 5900 kg (13,000 lb) at the time of fracture. No information was provided regarding the type of metal used to manufacture the hook...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0089617
EISBN: 978-1-62708-232-7
... Abstract A forged 4130 steel cylindrical permanent mold, used for centrifugal casting of gray- and ductile-iron pipe, was examined after pulling of the pipe became increasingly difficult. In operation, the mold rotated at a predetermined speed in a centrifugal casting machine while the molten...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0047321
EISBN: 978-1-62708-224-2
... Abstract A 58.4 cm (23 in.) diam heavy-duty brake drum component of a cable-wound winch broke into two pieces during a shutdown period. Average service life of these drums was two weeks; none had failed by wear. The drums were sand cast from ductile iron. During haul-out, the cable on the cable...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047879
EISBN: 978-1-62708-234-1
... to be martensitic as the fusion line was approached. The forged steel shaft was concluded to have failed by ductile fracture and possible reasons were discussed. Corrective measures adopted in the replacement shaft were specified. Agitators Chemical reactors Nuts (fasteners) O-ring seals 316 UNS S31600...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0089657
EISBN: 978-1-62708-233-4
... Abstract The gun mount used in two types of self-propelled artillery consists of an oil-filled recoil cylinder and a sand-cast (MIL-I-11466, grade D7003) ductile-iron piston that connects to the gun tube through a threaded rod. The piston contains several orifices through which oil is forced...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046015
EISBN: 978-1-62708-235-8
... of the T-sections; however, this condition was not a primary cause of failure. Extension ladders Extrusions 6061-T6 UNS A96061 Metalworking-related failures Ductile fracture Plastic bending A two-section aluminum extension ladder, owned by the fire department of a large city, broke...
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Published: 01 January 2002
Fig. 17 Ductile and brittle striations. (a) Schematic of different types of ductile and brittle striations. (b) Ductile striations in 718 aluminium alloy. (c) Brittle fatigue striations of 2014 aluminium alloy. Note cleavage facets running parallel to direction of crack propagation and normal More
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Published: 01 June 2019
Fig. 1 Permanent mold of 4130 steel for centrifugal casting of gray- and ductile-iron pipe that failed because of localized overheating. The failure was caused by splashing of molten metal at the spigot end. Subsequent overheating resulted in mold-wall spalling and scoring, details of which More
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Published: 01 June 2019
Fig. 14 Stress-strain curve for ductile material More