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macroexamination

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... of specimens, mechanical testing, macroexamination, microexamination, metallographic examination, determination of the fracture mechanism, chemical analysis, exemplar testing, and analysis and writing the report. The chapter ends with a discussion on various processes involved in the determination of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270160
EISBN: 978-1-62708-301-0
... on either side. The case is a reminder that rework in a welded region requires careful planning and thought. macroexamination nose bullet visual examination weld crack The nose bullet of an aircraft engine was found cracked. The bullet was of welded construction. The crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270113
EISBN: 978-1-62708-301-0
... diagram of the elevator-hinge pin-connecting flange assembly Through macroexamination, it was found that one of the fractures was fresh without any damage or corrosion and with shiny bright and dull gray areas ( Fig. CH20.2 ). On further examination in the SEM, the dull gray area showed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560453
EISBN: 978-1-62708-291-4
.... Beraha E. and Shpigler B. , Color Metallography , American Society for Metals , Metals Park, OH , 1977 . 2. Vander Voort G.F. , Metallography. Principles and Practice , McGraw-Hill , New York, NY , 1984 , p 642 . Prepare surface as for macroexamination and clean...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230199
EISBN: 978-1-62708-298-3
... of their coarse grain size, and forgings tend to be highly anisotropic. Therefore, macroexamination is seldom used for beryllium, because vacuum hot pressing does not produce substantial flow, and the grain size it too small for macroexamination to be a valuable tool. Microexamination of...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630101
EISBN: 978-1-62708-270-9
... Fracture Modes,” in this book, ductile fractures are those in which the shear stress exceeds the shear strength before any other mode of fracture can occur. Therefore, the micromechanism of fracture is in the shear direction, but this is not always obvious on macroexamination. Scanning electron microscopy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... Limitations Metallography and fractography A.1 Macroexamination Examination of bulk failure or sample by eye or low-power optical device General incidence/extent of failure/damage. Juxtaposition of failure/damage. Orientation and direction of failure/damage (e.g., beach markings on fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610055
EISBN: 978-1-62708-303-4
..., the micromechanism of fracture is in the shear direction, but this is not always obvious on macroexamination. The surface of a ductile fracture is not necessarily related to the direction of the principal tensile stress, as it is in a brittle fracture. The characteristic appearance of the surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
..., presence of surface coatings, case-hardened regions, welds, and other structural details that contribute to cracking. A careful macroexamination is necessary to characterize the condition of the fracture surface so that the subsequent microexamination strategy can be determined. Corrodents often do not...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850001
EISBN: 978-1-62708-260-0
... was produced. In research studies, the processing steps are often varied, and the macroexamination is designed to show differences due to changes in manufacturing practices. Thus for each type of study, the specific details of the macroscopic examination will vary somewhat, and the practitioner must...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560309
EISBN: 978-1-62708-291-4
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850267
EISBN: 978-1-62708-260-0
.... (Courtesy of C. Zeiss, Inc.) Macroexamination is often performed to study the following: General distribution of nonmetallic inclusions (sulfur print, oxide print, or lead print) Location and extent of chemical segregation Location and extent of mechanically induced heterogeneity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.9781627082600
EISBN: 978-1-62708-260-0