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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.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...
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...
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Published: 01 January 2002
Fig. 3 Fracture surface of a tearing shear ductile fracture. More
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Published: 01 January 2002
Fig. 41 Three micromechanisms of fracture in metals. (a) Ductile fracture. (b) Cleavage fracture. (c) Intergranular fracture. Source: Ref 43 More
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Published: 15 January 2021
Fig. 35 Three micromechanisms of fracture in metals. (a) Ductile fracture. (b) Cleavage fracture. (c) Intergranular fracture. Source: Ref 42 More
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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 January 2002
Fig. 27 Charpy V-notch impact data for pipe lengths in which ductile fracture propagated and arrested. End A, fracture arrest; End B, fracture arrest More
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Published: 01 January 2002
Fig. 69 Schematic figure of the brittle-to-ductile fracture transition. The relative area on the fracture surface of the three microscale fracture mechanisms (stretch zone, dimple zone, and cleavage zone) are indicated. Source: Ref 78 More
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Published: 01 January 2002
Fig. 90 A model for ductile fracture due to Rice and Johnson. The model considers pure tearing on the plane of maximum normal stress. The preexisting flaw is assumed to blunt during yield to create a large strain field in front of the flaw. Debonding and growth at a particle interface occurs More
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Published: 01 January 2002
Fig. 20 Dimples in the ductile fracture surface of a permanent mold cast A356 Al-alloy More
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Published: 01 January 2002
Fig. 38 Apparent ductile fracture in a 321 stainless steel superheater tube (ASME SA-213 grade TP 321H). (a) Fracture is macroscale brittle because it is on a hoop plane. (b) Intergranular cracking is revealed and at magnification of 4 1 2 ×. (c) Higher magnification (100 ×) does More
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Published: 01 January 2002
Fig. 16 Examples of ductile fracture on shear planes. (a) Void sheets from propagation of a crack between widely spaced inclusions within a shear band in a 4340 steel. Stress axis is vertical. Source: Ref 41 . (b) Ductile crack growth in HSLA steel (A710). Source: Ref 77 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 2019
Fig. 2 Typical knife-edge ductile fracture around the internal hole of a suspect lot pin at room temperature More
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Published: 15 January 2021
Fig. 39 Apparent ductile fracture in a 321 stainless steel superheater tube (ASME SA-213 grade TP 321H). (a) Fracture is macroscale brittle because it is on a hoop plane. (b) Intergranular cracking is revealed and at magnification of 4½×. (c) Higher magnification (100×) does not show evidence More