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fracture modes

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003542
EISBN: 978-1-62708-180-1
... the former of these two parts of fractography. It presents the techniques of fractography and explains fracture markings using glass and ceramic examples. The article also discusses the fracture modes in ceramics and provides examples of fracture origins. ceramics crack pattern fractography fracture...
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Published: 01 January 2002
Fig. 44 Types of alternate microscopic fracture modes in fatigue. (a) Ductile striations triggering cleavage. (b) Cyclic cleavage. (c) Alpha-beta interface fracture. (d) Cleavage of alpha in an alpha-beta phase field. (e) Forked intergranular cracks in a hard matrix. (f) Forked intergranular More
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Published: 15 January 2021
Fig. 45 Types of alternate microscopic fracture modes in fatigue. (a) Ductile striations triggering cleavage. (b) Cyclic cleavage. (c) Alpha-beta interface fracture. (d) Cleavage of alpha in an alpha-beta phase field. (e) Forked intergranular cracks in a hard matrix. (f) Forked intergranular More
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Published: 01 December 2019
Fig. 10 ( a ) Fracture surface of region B showing cleavage fracture mode. In ( b ), the cleavage facets are shown in detail More
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Published: 01 June 2019
Fig. 3 Intergranular fracture mode within gray area of flaw. Crack growth direction is from bottom to top. More
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Published: 01 June 2019
Fig. 4 SEM fractograph showing the intergranular fracture mode of the tubes. More
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Published: 01 June 2019
Fig. 3 Fracture mode of brittle cleavage and ductile dimple characteristics under SEM examination at ×1000 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 SEM micrograph showing an intergranular fracture mode, observed around the entire circumference of both fractures in the screw. Structure at top is the base metal; structure at bottom is cadmium plating. 1000×. More
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Published: 01 January 2002
Fig. 1 Modes of propagation for brittle fractures. (a) Fracture resulting from primary tensile loading. (b) Fracture resulting from combined tensile and through-thickness bending load. The center of the chevron is offset from the pipe midwall. (c) Fracture from bending load with schematic More
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Published: 30 August 2021
Fig. 1 Cutting tool failure modes. (a) Characteristic wear and fracture surfaces on cutting tools. (b) Catastrophic failure. (c) Typical wear measurements for a turning tool. VB , flank wear More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... Abstract Overload failures refer to the ductile or brittle fracture of a material when stresses exceed the load-bearing capacity of a material. This article reviews some mechanistic aspects of ductile and brittle crack propagation, including a discussion on mixed-mode cracking, which may also...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... the general aspects of fracture modes and mechanisms. The article briefly reviews some mechanistic aspects of ductile and brittle crack propagation, including discussion on mixed-mode cracking. Factors associated with overload failures are discussed, and, where appropriate, preventive steps for reducing...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001802
EISBN: 978-1-62708-241-9
... is unaffected. The damage begins as slip line formation due to plastic deformation, which progresses to cracking at high strain levels. The cracks appear to initiate from slip lines and extend in shear (mode II) manner. surgical wire fracture compressive damage nitinol cracking scanning electron...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... surfaces, to determine the cause of failure. The fracture modes such as ductile fractures and brittle fractures are reviewed. The article also presents a detailed account of various fracture surface features. It concludes with several cases of field failure in various polymers that illustrate...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001098
EISBN: 978-1-62708-214-3
... were identified—three at the head-to-shank fillet, four at the eighth thread root from the cap, and one at the sixth thread root from the cap. Fracture surfaces were examined using a stereomicroscope and SEM, and the fracture mode was shown to be transgranular. EDS on the fracture surfaces showed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048665
EISBN: 978-1-62708-217-4
... corroded with chromium plating missing. A heavily corroded intergranular fracture mode was revealed by chromium-carbon replicas of the areas of fracture origin. Deep corrosion pits adjacent to the fracture origins and directly beneath cracks in the chromium plate were revealed by metallographic examination...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048634
EISBN: 978-1-62708-225-9
... Abstract During an inspection of a structure two weeks after assembly, the heads of several cadmium-plated AISI 8740 steel fasteners were found to be completely separated from their respective shanks. SEM examination of the fracture surfaces revealed a brittle, intergranular fracture mode...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0091092
EISBN: 978-1-62708-224-2
.... Investigation (visual inspection, inspection records review, optical and scanning electron microscopy, and fractography) supported the conclusion that the fracture mode for both shafts was low-cycle rotating-bending fatigue initiating and propagating by combined torsional and reverse bending stresses...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001527
EISBN: 978-1-62708-224-2
... in-between. However, wires are often mechanically damaged after failure. Most nondestructive evaluation (NDE) techniques are not applicable to wire rope failures. Electron microscope fractography of fracture surfaces is essential in failure analysis. Fatigue is the most important fracture mode in wire ropes...