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cracks in the body and end cap

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Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
... marks is observable around the circumference of the fracture surface. The ratchet marks indicate the combination of crack planes Fig. 30 Fractured axle journal within bearing. The end cap was removed from the failed side. A noticeable amount of red rust was present on the interior of the end...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004139
EISBN: 978-1-62708-184-9
... not be exposed in these areas. Fig. 1 Fasteners that appear solid at the ends may have hidden corrosion damage, such as the wasp-waisting of bilge fastenings. The selection, installation, and maintenance of the keel bolt material should be done with consideration of the critical role...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
...(c) shows the typical pattern on the surface of a fracture through a small-radius fillet. The reason for the fatigue-pattern changes is that the fatigue crack propagates faster in more severe stress concentrations at each end than in the interior. Under the above loading conditions, each crack...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
.... Design features that concentrate stress include ends of keyways, edges of press-fitted members, fillets at shoulders, and edges of oil holes. Stress concentrators produced during fabrication include grinding damage, machining marks or nicks, and quench cracks resulting from heat treating operations...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005295
EISBN: 978-1-62708-187-0
... the best results. The pouring rate is much slower than in top pouring. Sometimes, the rate of rise of the steel in the mold must be kept as low as 50 to 75 mm/min (2 to 3 in./min) for particularly crack-sensitive grades. Normal bottom-pouring rates are in the 200 to 300 mm/min (8 to 12 in./min) range...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0005689
EISBN: 978-1-62708-176-4
... and subsequent shearing of minute ar- test. propagation of a crack with the absorption of eas of two surfaces that slide across each no energy except that stored elastically in the other under pressure. In advanced stages, may bearing strength. The maximum bearing stress body. Microscopic examination may reveal...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001819
EISBN: 978-1-62708-180-1
... Abstract This article commences with a description of the prosthetic devices and implants used for internal fixation. It describes the complications related to implants and provides a list of major standards for orthopedic implant materials. The article illustrates the body environment and its...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
... precompaction pressure and dwell time, tighten or refinish punch Vertical cracks parallel to pellet axis extending from face to other Scored die cavity, excessive powder on punches Minimize punch-die counterpressure clearance, polish punches or keep clean Note: End capping is cracking that occurs...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001018
EISBN: 978-1-62708-161-0
... of 0.55% C that are intended for use under the service conditions mentioned above. Guidelines are also discussed for the selection of steels for bolts (including cap screws), studs (including U-bolts), and nuts for service at the temperature range mentioned above and for service between 200 and 370 ┬░C...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003530
EISBN: 978-1-62708-180-1
... Abstract This article describes the underlying fundamentals, applications, the relevance and necessity of performing proper stress analysis in conducting a failure analysis. It presents an introduction to the stress analysis of bodies containing crack-like imperfections and the topic...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... introduces the stress analysis of bodies containing cracklike imperfections and the topic of fracture mechanics. The fracture mechanics approach is based on the analysis of the crack tip stress and strain field. The initial approach proposed by George Irwin, the father of fracture mechanics, used the stress...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
... a hydrostatic test because it had cracked in the weld. Analysis showed that the cap had a carbon content of 0.56%, whereas a maximum carbon content of 0.30% was specified. The excessive carbon content had resulted in a brittle HAZ. It was found that construction personnel had substituted ASTM A53 type F butt...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003457
EISBN: 978-1-62708-195-5
.... The problem is widespread due to the many sources of ingression and the many ways it affects the composite component. Water has been reported to ingress via the following means: cracked end potting, cracked paint, failed/cracked sealant, through fasteners, porosity in the skins of cloth or thin unidirectional...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006501
EISBN: 978-1-62708-207-5
... for disassembly, panel removal, repair, and easier end-of-life recycling. Generally speaking, easy method for semiskilled workers using relatively simple tools Little or no surface preparation required No fumes or heat generation, low noise emission, and low energy consumption Low heat input usually...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... may differ somewhat among the different classes of material. Distortion failures are ordinarily considered to be self-evident, for example, damage of a car body in a collision or bending of a nail being driven into hard wood. However, the failure analyst is often faced with more subtle situations...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... to be self-evident, for example, damage of a car body in a collision or bending of a nail being driven into hard wood. However, the failure analyst is often faced with more subtle situations. For example, the immediate cause of distortion (bending) of an automobile-engine valve stem is contact of the valve...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005139
EISBN: 978-1-62708-186-3
... rate of 301 and lower-nickel 304 alloys is attributable to the formation of strain-induced or deformation martensite, a magnetic body-centered tetragonal crystalline phase, in the austenitic grain structure. While this phase has the same composition as the face-centered cubic austenite from which...
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
... continues across the grain boundary, but during the cracking process it is very unlikely that the crossing is strictly continuous across the grain boundary. Cleavage cracks cannot cross a grain boundary if the body has a twist component. The crack must reinitiate, and therefore, the classic fine-scale...