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fracture limit line

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0048592
EISBN: 978-1-62708-218-1
... Abstract A drive-line assembly failed during vehicle testing. The vehicle had traveled 9022 km (5606 mi) before the failure occurred. Both the intact and fractured parts of the assembly were analyzed to determine the cause and sequence of failure. Visual examination of the assembly showed three...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001617
EISBN: 978-1-62708-227-3
... in air), and there was very limited plasticity. Macroscopic progression markings were observed on fracture surfaces of several couplings but were not generally evident. At very high magnifications, numerous slip lines, progression markings, and striations were observed. In a few cases, where complete...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
... Abstract Sheet forming failures divert resources from normal business activities and have significant bottom-line impact. This article focuses on the formation, causes, and limitations of four primary categories of sheet forming failures, namely necks, fractures/splits/cracks, wrinkles/loose...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001766
EISBN: 978-1-62708-241-9
... deformation was approximately 4,750 ft-lbf, a value well below the 6,000 ft-lbf limit. The combination of the available metallurgical evidence and the results of the stress analysis allow for construction of a reasonable failure time line that is aligned with the underlying fact pattern of the incident...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
... may include, but is not limited to: Date of installation Piping material grade Diameter and wall thickness Seam weld type (if any) Coating type Cathodic protection information Previous hydrotest results (including dates, pressures, and times) In-line inspection results...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001672
EISBN: 978-1-62708-236-5
... Abstract Failed ferrous components were analyzed from a crane that operated on an offshore platform. The crane failed during operation and fell into the sea. The brake spring on the boom hoist was found to have fractured in four places. The spring contained a line defect (seam...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091644
EISBN: 978-1-62708-217-4
... on the shank of a PH13-8Mo stainless steel aircraft attachment bolt. (b) Close-up of fracture surface of bolt showing corroded area. Arrows point to one possible crack arrest line. (c) Scanning electron microscopy fractograph of area B in (b). Note corrosion product (left) and ductile dimples in the center...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0045911
EISBN: 978-1-62708-230-3
... N06600 Intergranular fracture Within the first few months of operation of a 8-km (5-mile) long 455-mm (18-in.) diam high-pressure steam line between a coal-fired electricity-generating plant and a paper mill, several of the Inconel 600 bellows failed. The steam line operated at 6030 kPa (875 psi...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001155
EISBN: 978-1-62708-223-5
... Abstract Milling machine arbors were inserted with satellite spindles having a maximum speed of 1500 rpm, and broke out between the groove and the flange. The appearance of the fracture surface was the same on both arbors. The pronounced scan lines characterized the fractures as fatigue...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091655
EISBN: 978-1-62708-229-7
... crevice and, in its early stages, generally followed a path parallel to the fusion line ( Fig. 2 ). Depending on the location, the crack could be found in regions of heavy or light carbide precipitation. Metallographic cross sections and SEM studies of the fracture surface were in agreement: the cracking...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001504
EISBN: 978-1-62708-217-4
... at the lock pin hole and propagated as indicated by the arrows. c: Fracture surface in the vicinity of a corrosion pit in the lock pin hole, the arrow points to the location of the fatigue crack shown below (×40). d: The dotted line outlines the extent of the fatigue crack (×170). Detailed examination...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089459
EISBN: 978-1-62708-235-8
... specifications. The fractures were revealed to be in areas of the transition regions that had been rough ground to remove flash along the parting line. The presence of beach marks, indicating fatigue failure, was revealed by examination. The fracture origin was confirmed by the location and curvature of beach...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006865
EISBN: 978-1-62708-395-9
..., PMMA, and thermosetting resins, such as epoxy and polyester. A common example of a material that fractures in a truly brittle manner is inorganic glass. The typical tensile stress–strain plot for a brittle plastic is essentially a straight line from the origin to the point of fracture, which...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001372
EISBN: 978-1-62708-215-0
.... Abstract A coupling in a line-shaft vertical turbine pump installed in a dam foundation fractured after a very short time. The coupling material was ASTM A582 416 martensitic stainless steel. Visual, macrofractographic, and scanning electron microscopic examination of the coupling showed that the fracture...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001270
EISBN: 978-1-62708-215-0
... in hot oil and then tempered. The quenched parts cracked along the parting line. Examination of the fracture surface revealed an area of discoloration, which was determined to be an oxide coating from the thermal processing. The discoloration indicated that the fracture was open to the atmosphere during...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... with this problem is produced using the Haigh diagram, with the Goodman line connecting the ultimate strength on S m , and the fatigue limit, corrected fatigue limit, or fatigue strength on the S a axis ( Fig. 2 ). This line then defines the boundary of combined mean-amplitude pairs for anticipated safe-life...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001042
EISBN: 978-1-62708-214-3
... believe an assembly misalignment with resultant nonuniform loading stresses may have been the cause. This assumption is based on the fracture appearance, which was a very small, almost nonexistent final, fast fracture area. The fracture area appeared as a line slightly above the cross-sectioned centerline...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001822
EISBN: 978-1-62708-241-9
... goods , Pipe Line Industry , July 1998 . 2. Francini R.B. , Kolovich C.E. , Jonell M.E. , Zelenak P.A. , Rosenfeld M.J. : Evaluation of the need for loading specification for highway transport of line pipe, Catalog No. L52281, Pipeline Research Council International...
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
... accepted dividing line for macroscale ductile and brittle behavior in terms of strain at fracture nor in terms of energy absorption. For example, large fracture strain is desirable for forming operations, and material selection may be based on the relative ductility observed during tensile testing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001251
EISBN: 978-1-62708-235-8
... with respect to the direction of principal stress. The disk of the flange broke almost completely in a coarse-conchoidal manner ( Fig. 2 ). Based on these findings the advice was given to limit the aluminum addition to the steel as much as possible. Fig. 1 Tensile test fractures. 2 × Fig. 2...