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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0089254
EISBN: 978-1-62708-225-9
.... One of the wedge-shaped middle rings fractured prior to having been fully torqued, preventing the sprocket from being locked to the shaft. “Woody” fracture features, as a result of decohesion between a high volume fractions of manganese sulfide stringers and the matrix, was revealed during examination...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006798
EISBN: 978-1-62708-295-2
...Abstract Abstract This article is a compilation of terms and definitions related to failure analysis and prevention. This glossary is intended to help promote clear thinking and useful failure analysis. The definitions presented are those used in this volume and reflect common and modern...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001441
EISBN: 978-1-62708-220-4
.... On continued cooling to below freezing-point, water that entered the cavities solidified. This was accompanied by a slight increase in volume, which collapsed the pipe walls. In the examples, the pipe ends had not been properly tinned. The solder used was found to be of the tin-antimony type, containing about...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0092148
EISBN: 978-1-62708-235-8
... caused unstable retained austenite in the failed cylinder to transform to martensite. The increase in volume resulted in sufficient size distortion to cause interference between the cylinder and the spool, seizing, and loss of flow control. The failed parts had been carburized in a process in which...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.9781627082150
EISBN: 978-1-62708-215-0
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.9781627082143
EISBN: 978-1-62708-214-3
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001532
EISBN: 978-1-62708-232-7
... analysis (QIA) was carried out in a “Quantimet-600” (LEICA Imaging Systems Ltd., Cambridge, United Kingdom) model equipment to determine the volume fractions of different phases present in the failed roll samples. The volume fractions of graphite were determined from polished and unetched specimens, while...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001800
EISBN: 978-1-62708-241-9
... to intergranular cracking immediately after transformation (i.e., quench cracking) and cracking from loads in service [ 4 ]. The reaustenitized volume caused by stray current arc damage also explains the varying prior austenite grain size observed in Fig. 3 . During the event there would be a significant...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001603
EISBN: 978-1-62708-228-0
...–3 km Sonipath-Jamuna river section during field pretesting at 126 kg/cm 2 (90% SMYS). Alloy Chemistry Optical microscopy was carried out with an MeF 2 model microscope. Longitudinal sections of pipe samples were polished and etched with 2% nital. The pearlite volume fraction was determined...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... of medium size are most effective in this case. With increase in volume fraction ( V f ) of the filler or fiber, wear may increase, decrease, or show minima at some concentration, generally around 20 to 30%. Abrasive wear may increase with a decrease in modulus of elasticity of fiber or matrix as a result...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... rate, and temperature on operative slip and twinning systems and their competition with cleavage are discussed in more detail in the article “Mechanisms and Appearances of Ductile and Brittle Fracture in Metals” in this Volume. However, note that fracture mechanism maps are also used to plot...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001580
EISBN: 978-1-62708-229-7
... that the globule was present before the continuous weld process, and therefore, was created during the tack. Previous visual observations also identified that the hole and globule are at the location of the second tack. The volume of the globule is significantly larger than the volume of the hole. This suggests...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001647
EISBN: 978-1-62708-235-8
.... This observation led to further investigation of weld-joint geometry effects and was the primary input into the development of a model to correlate container/lid geometry with pore size. Fig. 4 Illustration of the void space present from an axial gap between the can and lid, and the volume at the root...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001141
EISBN: 978-1-62708-227-3
... Material Residual Stress Determination Metallography Lamellar Tearing Test Discussion Conclusions References References 1. Drury H.L. , Jubb J.E.M. , “Lamellar Tearing and the Slice Bend Test” , Welding Journal , Volume 52 , Number 2 , pp. 88s – 98s , February...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... and Prevention , Volume 11 of the ASM Handbook , 2002. Nevertheless, failures continue. Recalls of motor vehicles and consumer products are reported on a regular basis and tabulated on various websites. Building and bridge collapses are less common but still occur. Thus, the need for failure analysis...
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
... article in this Volume, “Fracture Appearance and Mechanisms of Deformation and Fracture.” In a smooth cylindrical tensile specimen, failure most commonly initiates by inclusion-matrix interface debonding near the centerline. This results in a central fibrous region that is normal to the applied load...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... by their CCT or TTT diagrams. Furthermore, dimensional changes are possible, depending on the carbon content and microstructural transformation product formed. Table 1 summarizes the atomic volumes of different microstructural components as a function of carbon content ( Ref 2 ). Table 2 provides...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
... of this Volume, while this article introduces the section on fracture. However, it should be remembered that some nonfracture-failure scenarios may ultimately lead to fracture. Wear processes, for example, can ultimately lead to fracture by galling and/or fretting fatigue. Other examples include fatigue...
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
..., as discussed in the article “Fracture Appearance and Mechanisms of Deformation and Fracture” in this Volume. In a smooth cylindrical tensile specimen, failure most commonly initiates by inclusion-matrix interface debonding near the centerline. This results in a central fibrous region, which is normal...