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fractography

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
... Abstract Fractography is the systematic study of fractures and fracture surfaces. It is a useful tool in failure analysis and provides a means for correlating the influence of microstructure on the fracture mode of a given material. This article discusses the preservation, preparation...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001830
EISBN: 978-1-62708-181-8
... Abstract The purpose of fractography is to analyze fracture features and attempt to relate the topography of the fracture surface to the causes and/or basic mechanisms of fracture. This article reviews the historical development of fractography, from the early studies of fracture appearance...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001837
EISBN: 978-1-62708-181-8
... Abstract The principal objective of quantitative fractography is to express the characteristics of features in the fracture surface in quantitative terms, such as the true area, length, size, spacing, orientation, and location. This article provides a detailed account of the development of more...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
... Abstract The quantitative characterization of fracture surface geometry, that is, quantitative fractography, can provide useful information regarding the microstructural features and failure mechanisms that govern material fracture. This article is devoted to the fractographic techniques...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0005697
EISBN: 978-1-62708-181-8
... "Quantitative Fractography" in this Volume. Mg megagram RD rolling direction (of a sheet) Abbreviations and Symbols I 493 min minimum; minute Ref reference MJ megajoule rpm revolutions per minute Z atomic number mL milliliter RSC reversed sigmoidal curve o angular measure; degree mm millimeter s second °C...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003468
EISBN: 978-1-62708-195-5
.... It also describes the evaluation of the long fatigue crack growth behavior of MMCs by using the test methods and specimens that are used for unreinforced metallic alloys. Fractography of MMCs under plane-strain conditions is also described with information on the observed features of MMC fatigue fracture...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.9781627081818
EISBN: 978-1-62708-181-8
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003466
EISBN: 978-1-62708-195-5
... materials. environmentally induced fracture fractography interlaminar fracture mechanical load thermoplastic matrices thermoset resin translaminar fracture FRACTURE SURFACES are examined during most investigations of failed structural components because these surfaces provide an actual...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
... Abstract This article describes various evaluation techniques of fractography such as visual inspection, macroscopic and microscopic examinations that are used to resolve different aspects of failure. It gives a brief description and pictorial representation of various defects leading...
Image
Published: 01 January 2002
Fig. 13 Sheared-off cast cobalt-chromium-molybdenum screw. SEM fractography. (a) Overview of portion of rough fracture surface. (b) Area with fracture planes of three differently oriented grains (single arrow, a). (c) Shearing structures and dimples in grain identified by the numeral 1 in (b More
Image
Published: 01 January 1996
Fig. 42 Fractography of fatigue crack propagation at intermediate (region 2) and high (region 3) growth rates in steels tested in moist air at R = 0.1. See text for details about regions. (a) Ductile striations in 9Ni-4Co steel at Δ K = 30 MPa m . (b) Additional cleavage fracture More
Image
Published: 01 November 1995
Fig. 19 Labelled Weibull graph that displays both strength and fractography data for a 99.9% alumina tested in three-point flexure at room temperature. σ 0 , characteristic strength; m , Weibull modulus More
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Published: 30 August 2021
Fig. 14 (a) Fracture surface and (b) SEM fractography of a coil that failed due to excessive decarburization More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003460
EISBN: 978-1-62708-195-5
... analysis and fractography of ceramic- and metal-matrix composites. ceramic-matrix composites failure analysis fractography metal-matrix composites organic-matrix composites ADVANCED COMPOSITES are being used as structural materials in automotive, recreational, aerospace, and other industries...
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
... Abstract Fractography is the means and methods for characterizing a fractured specimen or component. This includes the examination of fracture-exposed surfaces and the interpretation of the fracture markings as well as the examination and interpretation of crack patterns. This article describes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003058
EISBN: 978-1-62708-200-6
... crack fronts and inclusions, etc. A separate fractography terminology is provided in this article. ceramics crack propagation descriptive fractography failure analysis fractography techniques fractography terminology fracture markings fracture surface markings quantitative fracture surface...
Image
Published: 01 January 1996
Fig. 9 Macroscopic chevron markings on the fracture surface pointing back to the fracture origin. ASTM A517H plate. Source: Metals Handbook , 9th ed., Vol 12, Fractography , 1987, p 347 More
Image
Published: 30 August 2021
Fig. 14 (a) Brittle fisheyes appear as bright spots in gray ductile matrix. Original magnification: 1.7×. (b) Mixed-mode fracture in as-welded three-point bend-test specimen at room temperature (scanning electron microscope). Optical fractography. Original magnification: 1500× More
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001835
EISBN: 978-1-62708-181-8
... Abstract Scanning electron microscopy (SEM) has unique capabilities for analyzing fracture surfaces. This article discusses the basic principles and practice of SEM, with an emphasis on its applications in fractography. The topics include an introduction to SEM instrumentation, imaging...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001838
EISBN: 978-1-62708-181-8
... fractal dimensions that result from these analyses appear to possess some generality for natural irregular nonplanar surfaces and their profiles. fractal analysis fracture surface quantitative fractography surface roughness RESEARCH into the field of quantitative fractography has progressed...