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Ductile fracture

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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.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...
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 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.c0047321
EISBN: 978-1-62708-224-2
... at a temperature differential of up to 555 deg C (1000 deg F). With the adoption of this procedure, brake drums failed by wear only. Alignment Clearances Diameters Sand castings Spacers Winches Ductile iron Brittle fracture A 58.4-cm (23-in.) diam heavy-duty brake drum that was a component...
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
... fracture Casting-related failures The gun mount used for two types of self-propelled artillery (175 mm guns and 205 mm howitzers) involved a recoil cylinder and a sand-cast ductile-iron piston containing orifices through which oil was forced in order to absorb the recoil energy of the gun. A rod...
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Published: 01 June 2019
Fig. 2 Appearance of fatigue fracture (D) and ultimate ductile fracture (R). ca. 3 × More
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Published: 01 June 2019
Fig. 4 Ductile fracture in overload region. (a) Low-magnification view showing ridges, 30° tilt. (b) High-magnification view of ductile dimple fracture. Crack growth direction is from bottom to top. More
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Published: 01 December 1992
Fig. 3 SEM micrograph showing a ductile fracture mode, observed over the majority of both fracture surfaces. 1000×. More
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Published: 01 December 1992
Fig. 4 Scanning electron micrograph of ductile fracture in the connector. More
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Published: 01 December 1993
Fig. 7 SEM micrograph showing transition from intergranular to ductile fracture morphology. The atmosphere side of the disc is the lower left of the micrograph. 756× More
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Published: 01 December 1993
Fig. 10 SEM micrograph showing a ductile fracture morphology typical of overpressurization.756× More
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Published: 01 June 2019
Fig. 1 Ductile fracture of a full section X60 grade line pipe tested at 56 °F (13 °C), which is 8 °F above its 50% shear-area DWTT More
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Published: 01 June 2019
Fig. 5 Ductile fracture in the screw core. SEM, 500× More
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Published: 01 June 2019
Fig. 6 Ductile fracture in the screw core. SEM, 3000× More
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Published: 01 December 2019
Fig. 2 Typical knife-edge ductile fracture around the internal hole of a suspect lot pin at room temperature More
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...
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Published: 01 June 2019
Fig. 6 Fracture plane in scanning electron microscope. Lower right: Ductile fracture, top: Conchoidal fracture. 2000 × More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001186
EISBN: 978-1-62708-234-1
... Abstract A 2.3 mm diam steel wire broke during cable twisting. The fracture occurred obliquely to the longitudinal axis of the wire and showed a constriction at the end. Therefore it was a ductile fracture. File mark type work defects were noticeable on the wire surface at both sides...
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Published: 01 June 2019
Fig. 9 Fracture paths associated with predominantly ductile failure through martensitic platelets (above) and brittle, mixed mode along martensitic platelets (below). Also, in bottom photograph note secondary cracking observed in higher hydrogen specimen. More