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fractographic analysis

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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
...” in the article “Use of Fractography for Failure Analysis.” Interpretation of Optical Fractographs A RUDIMENTARY KNOWLEDGE of how to “read” a fracture surface must be gained so that meaningful fractographs can be taken from which to describe the fracture process. Fractography can provide information...
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: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003466
EISBN: 978-1-62708-195-5
... of the composite materials. References References 1. Smith B.W. et al. , Fractographic Analysis of Interlaminar Fractures in Graphite-Epoxy Material Structures , International Conference: Post Failure Analysis Techniques for Fiber Reinforced Composites , Air Force Wright Aeronautical...
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
... composites. The ninth and final article, “Failure Analysis of Ceramic-Matrix Composites,” is devoted to the fractographic analysis of ceramic-matrix composites, including characteristic failure modes, fractography, and failure mechanisms. It is hoped that the information presented in this Section...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006323
EISBN: 978-1-62708-179-5
... A.J. , Fractography and Atlas of Fractographs , Vol 9 , Metals Handbook , 8th ed. , American Society for Metals , 1973 3. Davis R.J. , Failure Analysis and Prevention , Vol 11 , Metals Handbook , 9th ed. , American Society for Metals , 1986 4. Anderson T.L...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000608
EISBN: 978-1-62708-181-8
... is indicated on the fractograph. It initially appeared under the SEM as a faint line, transverse to the wire at the center, with each end at a slight angle. After intentional opening (see fractograph), the origin was shown to be roughly triangular in shape and defined by vertical ridges extending...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003058
EISBN: 978-1-62708-200-6
... – 710 41. Michalske T.A. and Fréchette V.D. , Fragmentation in Bursting Glass Containers , Bull. Am. Ceram. Soc. , Vol 57 ( No. 4 ), 1978 , p 427 – 429 42. Mecholsky J.J. Jr. , and Freiman S.W. , Fractographic Analysis of Delayed Failure in Ceramics...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003467
EISBN: 978-1-62708-195-5
... fracture surfaces compared with those that do not have any initial defects. In addition, more complex failures (those without defects and those having transverse fractures) often require the use of stress analysis in addition to fractographic analysis. In the investigations presented here, final...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003462
EISBN: 978-1-62708-195-5
... composite structure. Although the techniques described are not all-inclusive by any means, it is hoped that the number and variety of techniques outlined in this section are adequate for an investigator to begin his analyses. Further information regarding composite failure analysis techniques, fractographic...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005657
EISBN: 978-1-62708-198-6
... percentage of medical devices made from small-diameter Nitinol tubing fractured during routine handling while being fabricated. An SEM image of a representative broken device is shown in Fig. 53 . Fractographic analysis indicated that the cracks initiated at large, through-wall corrosion pits. Small radial...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
... of the guy wires had failed by fatigue, and fractographic analysis indicated that there were at least 250,000 stress cycles during the growth of the fatigue crack from the origin to final rupture. Figure 1 shows examples of fatigue striations seen on the pin surface. Figure 2 is a plot of the striations...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
... , 1996 , p 110 – 133 15. Fatigue Failures, Failure Analysis and Prevention , Vol 11 , Metals Handbook ( 9th ed. ) American Society for Metals , 1986 , p 102 – 135 16. Fractography and Atlas of Fractographs , Vol 9 , Metals Handbook , ( 8th ed. ), American Society for Metals , 1974...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
... , ASM International , 1996 , p 159 – 167 10.31399/asm.hb.v19.a0002359 18. McIntyre D. , Fractographic Analysis of Fatigue Failures , J. Eng. Mater. Technol. (Trans. ASME) , Vol 97 , July 1975 , p 194 – 205 10.1115/1.3443286 19. Pao P.S. and Wei R.P...
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
... In a random plane through bulk microstructure Voids 15.5 1.6 Inclusions 7.5 1.9 Source: Ref 14 , 30 Fig. 15 Systematic random sampling of fields of view Fig. 17 Scanning electron microscope fractograph of fracture surface of a wrought aluminum alloy. Observe...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003720
EISBN: 978-1-62708-177-1
... examination as part of failure analysis. However, the depth-of-field limitation of the light microscope has restricted its use for such work. Aside from the published light optical fractographs made by Zapffe (see Ref 16 for a review of many of these), very few optical fractographs of metallic materials...
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
... analysis to determine the root technical cause for failure. Unfortunately, it is possible to misinterpret a fracture surface, and seldom can a unique cause for failure be associated with a single specific fractographic feature. The process of failure analysis, then, should use the total information...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001834
EISBN: 978-1-62708-181-8
... (a) FATT, fracture appearance transition temperature based on a temperature for a 50% ductile, 50% brittle fracture appearance Fig. 97 Type 304 stainless steel specimen after testing in boiling MgCl 2 . (a) Cross section of partially broken specimen. Etched with mixed acids. (b) SEM fractograph...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
..., electron microprobe analysis, x-ray diffraction analysis, and Auger spectroscopy. When these investigations are performed by auxiliary equipment on either a scanning or a transmission electron microscope, they may be considered to be fractographic procedures. Brittleness or ductility may be revealed...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
... to fracture of metals, including laps, seams, cold shuts, cracks, inclusions, porosity, fatigue, and stress corrosion cracking. failure analysis fractography macroscopic examination microscopic examination stress corrosion cracking surface defects visual examination EXAMINATION...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
... ). Fractographic analysis under the scanning electron microscope revealed coalesced voids on the surface of the fracture ( Fig. 4c ). Cross sections of the airfoil taken perpendicular to the fracture revealed creep voiding along the grain boundaries running parallel with the fracture and perpendicular...