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microfractography

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
... fracture surfaces. It discusses damage characterization of metals, covering various factors that influence the damage, namely stress, aggressive environment, temperature, and discontinuities. damage characterization failure analysis fracture surfaces metals microfractography optical...
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
... Abstract This article outlines the basic steps to be followed and the range of techniques available for failure analysis, namely, background data assembling, visual examination, microfractography, chemical analysis, metallographic examination, electron microscopy, electron microprobe analysis...
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
... dating back to the sixteenth century to the state-of-the-art work in electron fractography and quantitative fractography. It also describes the applications and limitations of scanning electron microscope and transmission electron microscope. electron fractography fractography microfractography...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
.... ceramic materials corrosion damage macroscopic examination metallic components metallographic specimens microchemical analysis microfractography microstructure polymers visual examination wear EXAMINATION of a damaged component involves a chain of activities that, first and foremost...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003518
EISBN: 978-1-62708-180-1
... and other methods. Cracks, porosity, and unsoundness of various types may be able to be detected without cutting the part. Microfractrography and other techniques with SEM, including localized chemical analysis Microfractography may simply be used to add weight to a macro scale determination of ductile...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006754
EISBN: 978-1-62708-295-2
... Microfractography may simply be used to add weight to a macroscale determination of ductile or brittle behavior. Evidence for distinguishing intergranular from cleavage fracture is most easily obtained by this method. Fine characteristics of ductile dimples can reveal additional information not available...
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
... are discussed in more detail in Failure Analysis and Prevention , Volume 11 of ASM Handbook . However, the section “Microfractography” in this article briefly compares the application of light and electron microscopy in fractographic analysis. Another important technique in microanalysis is replica...
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
... also be striking. Because of the early use of the TEM in microfractography, a substantial amount of fractographic images via TEM replicas have been published. In 1966, for example, Cedric Beachem published the results of an extensive study of fractographic features and interpretation at the Naval...
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
... and quality determination. Although the light (optical) microscope can be used to examine fracture surfaces, most fracture examinations at magnifications above 50 × (microfractography) are conducted with the scanning electron microscope, as described in the article “Scanning Electron Microscopy...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006814
EISBN: 978-1-62708-329-4
... to photographs of the fracture surface; macrofractography involves low magnification (<25×), while microfractography is at high magnification (>25×) ( Ref 1 ). Fractography is a valuable tool when performing failure analyses on welded connections, and macrofractrography is particularly useful. Perhaps...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... metallographic equipment. Examination of Fractures Microfractography is a relatively new field; its roots can be traced to the light optical fractographs published by Zapffe and coworkers ( Ref 4 ) beginning in the early 1940s, although a few studies of historical value predated their efforts. Zapffe's...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002458
EISBN: 978-1-62708-194-8
... and the incident Macro- and microfractography (finding the origin when fracture is involved) Verification of materials and properties (compare with specifications) Microstructural examination Stress and life calculations Special measurements, for example, residual stress Simulations Analysis...
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 microfractography. Subtle fracture-surface details are easily damaged. Cleaning of Metal Fractures Numerous cleaning procedures have been developed, each suited for a particular metal or the preference of a particular laboratory. Most fractured parts that have undergone extensive exposure to corrosive...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
.... It is normally used after examination has been made using a light optical microscope. Size limitations of the chamber of the SEM often dictate sectioning of the subject component prior to examination. Microfractography Detailed examination of fracture surfaces at higher magnification can facilitate...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003718
EISBN: 978-1-62708-182-5
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.9781627081825
EISBN: 978-1-62708-182-5
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006825
EISBN: 978-1-62708-329-4
... and/or stereomicroscope. The fracture surface of the failed sample is subjected to detailed investigation using macro- and microfractography techniques to ascertain the mode of fracture, such as tensile overload, shear, impact, torsion, or fatigue. It also helps in determining the direction of crack propagation...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... of the types of testing and analyses used as part of a failure analysis investigation can be found in the articles “ Examination of Damage and Material Evaluation ,” “ Nondestructive Evaluation Applications for Failure Analysis ,” “ Bulk and Microscale Composition Analysis ,” “ Microfractography...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001039
EISBN: 978-1-62708-161-0
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6