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fracture surface topography analysis

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270031
EISBN: 978-1-62708-301-0
... chapter also covers quantitative fractography, fracture surface topography analysis, and the use of oxide dating as well as fault tree and failure modes and effects analysis (FMEA) and computational techniques. fault tree analysis fracture surface topography analysis oxide dating quantitative...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780383
EISBN: 978-1-62708-281-5
... photons, x-rays, ions, neutrons, or electrons and analyzing the radiation emitted and/or reflected from the surface. Other techniques use other interactions, such as physical probing of the surface. Analyzing the chemistry and topography of failure surfaces is an important part of failure analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... Abstract This chapters discusses the basic steps in the failure analysis process. It covers examination procedures, selection and preservation of fracture surfaces, macro and microfractography, metallographic analysis, mechanical testing, chemical analysis, and simulated service testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... may be indicated by a discoloration or by the topography of the fracture surface. A discolored area on a fracture surface may be produced by a preexisting crack whose surfaces have been corroded or oxidized. For example, the surfaces of a quench crack can be oxidized during a subsequent tempering heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
... removed to facilitate further examination and chemical analysis. The fracture surface may be stripped with an acetate film (or other replication products), which not only allows removal of significant portions of the corrosion products but also serves to contain the residue. The acetate film can then be...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
..., preservation, and/or cleaning of critical specimens Macroscopic examination and analysis fracture surfaces, secondary cracks, and other surface phenomena) Microscopic examination and analysis of fracture surfaces Selection, preparation, examination, and analysis of metallographic sections...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110563
EISBN: 978-1-62708-247-1
... , Chiang K-T. , Chuang L. , Tsui K. , “ A New De-process flow of failure analysis for MEMS motion sensor ”, Proc. 39th Int'l Symp. for Testing and Failure Analysis , San Jose, CA , 2013 , pp. 540 - 543 . [13] Israelachvili J.N. , Intermolecular and Surface Forces , 3rd Ed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040193
EISBN: 978-1-62708-300-3
...; improvement in process variables and die design to reduce die failure Prediction and elimination of failures, surface folds, or fractures as well as internal fractures Investigation of the effect of friction on metal flow Prediction of microstructure and properties, elastic recovery, and residual...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220085
EISBN: 978-1-62708-259-4
... presents a schematic of the location of an SE detector with respect to the sample position. Sample topography greatly influences the electrons’ ability to reach the detector. For this reason, this is the most common imaging mode when fracture surfaces and surfaces of etched samples, in which topography is...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460121
EISBN: 978-1-62708-285-3
... relaxation behavior, presence of any coating texture 3 Scanning electron microscopy Intersplat interactions in the sprayed coating before and after heat treatment, microcracks and micropores, coating fracture surface, inclusions and other phases in the coating or substrate-coating interface 4...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... in the SEM is a distinct advantage for examining particles. It is especially useful because SEM images show surface topography. Most SEM devices have an option to analyze x-rays generated by the electron beam, allowing compositional analysis. To separate particles for automated analysis, the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... through a detailed stress analysis or by using approximate formulas that account for the most common cases. Design should be verified to confirm whether there are stress-concentration points that may activate failure mechanisms due to brittle fracture, corrosion, or fatigue. Examples of peak stresses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780276
EISBN: 978-1-62708-281-5
... fracture toughness of a material ( K Ic ) can be correlated to H as: (Eq 5) P crit ∝ K Ic 2 H Fig. 7 (a) Abrasive wear mechanisms and surface deformation as a function of pressure, P; material hardness, H; and fracture energy, G Ic . L , normal load; V...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130351
EISBN: 978-1-62708-284-6
... in.), looking aft. Original magnification: 2.2× A scanning electron microscope (SEM) was used to examine the fracture surfaces and to document the mode of failure. Figure 5 shows the fracture topographies of the primary fracture in the strain bar. The secondary fractures in the strain bar...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
...) dimples in ductile failure, 500×; (d) cleavage facets in a brittle fracture, 1000×; (e) brittle fracture with an intergranular mode of cracking, 250×; (f) corrosion pits, 50× Scanning electron microscopy is thus a surface analysis technique developed specifically for high-resolution imaging of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780417
EISBN: 978-1-62708-281-5
.... Visually, these surfaces exhibit milky white, dull fracture surfaces. Again, failure of the laminate generally occurs in the plane of the reinforcement, and SEM analysis reveals distinctive fractographic features. On these fracture surfaces, the appearance of the feature known as hackles becomes evident...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850410
EISBN: 978-1-62708-260-0
... Features in Fatigue of Metals and Alloys, ” Am. Soc. Test. Mater., Spec. Tech. Publ. 675 , 1979 , pp. 633 – 682 . 10.1520/STP35909S 104. Pickens J. R. , and Gurland J. : “ Metallographic Characterization of Fracture Surface Profiles on Sectioning Planes, ” Proc. 4th Intern. Cong, for...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500317
EISBN: 978-1-62708-317-1
... N. , and De Chiffre L. , Quantification of Galling in Sheet Metal Forming by Surface Topography Characterisation , Int. J. Mach. Tools Manuf. , Vol 38 , 1998 , p 503 – 510 10.1016/S0890-6955(97)00095-3 16.69 Vermeulen M. and Scheers J. , Micro-Hydrodynamic Effects in...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870235
EISBN: 978-1-62708-314-0
... fractures the resin matrix coating and exposes a clean, virgin, roughened surface for the bonding process. The surface roughness attained can, to some extent, be determined by the weave characteristics of the peel ply. Some manufacturers state that this is sufficient, while others maintain that an...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190001
EISBN: 978-1-62708-296-9
... parts. It also describes the mechanism behind dendritic grain crystallization and how factors such as surface tension, capillary length, and lattice symmetry affect dendritic arm size and spacing. The section that follows examines the morphology of the silicon crystals that form in aluminum-silicon...