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metallographic specimen

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220039
EISBN: 978-1-62708-259-4
... , 2015 2. “ Guide for Preparation of Metallographic Specimens ,” E3-11, ASTM , 2011 3. “ Standard Practice for Macroetching Metals and Alloys ,” E340-15, ASTM , 2015 4. “ Standard Practice for Preparing Sulfur Prints for Macrostructural Evaluation ,” E1180-08 (Reapproved 2014), ASTM...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220069
EISBN: 978-1-62708-259-4
... type of illumination will result in lighter images of flat or nonetched regions of the sample and darker images of the non-flat regions such as cracks and pores and etched regions. In some special cases, objectives that can illuminate the specimen surface in an oblique way with a conical light beam can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
...) Selection and preparation of metallographic sections Examination and analysis of metallographic specimens Determination of failure mechanism Chemical analysis (bulk, local, surface corrosion products, deposits or coatings, and microprobe analysis) Analysis by fracture mechanics Testing under...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
... Abstract This chapter instructs the metallographer on the basic skills required to prepare a polished metallographic specimen. It is organized in a chronological sequence starting with the information-gathering process on the material being investigated, then moving on to sectioning, mounting...
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 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400087
EISBN: 978-1-62708-258-7
... metallographer working alone at a small iron foundry. The three basic areas in all metallography laboratories are discussed: the specimen preparation area, the polishing/etching area, and the observation/micrography area. Important safety issues in a metallographic laboratory are also considered. heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400149
EISBN: 978-1-62708-258-7
... employs light as the source of illumination of the specimen. These microscopes are commonly called “optical” microscopes, but in this book the authors identify the microscope by the type of illumination used. The first stage in any metallographic analysis involves the observation of the microstructure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400215
EISBN: 978-1-62708-258-7
... highlight certain features in microstructures. carbon steel cast iron coated steel etchant etching light illumination low-alloy steel metallurgical microscope microstructure stainless steel ONCE THE POLISHED metallographic specimen is properly prepared, the next stage is to reveal the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400109
EISBN: 978-1-62708-258-7
... (the lens assembly close to the specimen) and eyepieces, and components of the illumination system are all explained. The last part of this chapter describes special procedures involved in using and calibrating the metallurgical microscope. metallograph metallurgical microscope micrography...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
...) pot held at a constant temperature below the Ae 1 . Thin samples must be used in order to minimize surface-to-center temperature gradients. When quenched in water to room temperature without holding in a salt pot, the specimen transforms to martensite (named after the early German metallographer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400049
EISBN: 978-1-62708-258-7
... processed. It is important to understand the principles in the previous chapter in order to get more meaning from the information and examples given in this chapter. A particular microstructure can be altered, either intentionally or unintentionally. It is the metallographer’s task to prepare a specimen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
... cures. It also provides recommendations for handling specific materials and addresses safety concerns. light microscopy metallographic sectioning specimen preparation References 1. Kehl G. L. : The Principles of Metallographic Laboratory...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720161
EISBN: 978-1-62708-305-8
... Abstract This chapter describes the methods and equipment applicable to metallographic studies and discusses the preparation of specimens for examination by light optical microscopy. Five major operations for preparation of metallographic specimens are discussed: sectioning, mounting, grinding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220025
EISBN: 978-1-62708-259-4
... metallographic specimen is counted. This makes it possible to determine the mean lineal intercept length ( l ¯ ); from this measurement, the value of G can be determined. This method is a measure related to the surface area per unit volume, S V (Jeffries and Sauver Ref 9 ). To ensure a random...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220085
EISBN: 978-1-62708-259-4
...=21474838571 13. Steps in TEM Specimen Preparation by “Lift-Out” Method, Fibics , http://www.fibics.com/fib/application/steps-in-tem-specimens-preparation-by-lift-out-method-/24/ 14. Gouné M. , Danoix F. , Ågren J. , Bréchet Y. , Hutchinson C.R. , Militzer M. , et al...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220667
EISBN: 978-1-62708-259-4
... treatment Orientation of the plane to be sampled (or of the specimen to be subjected to mechanical testing) Working related definitions –Longitudinal: parallel to the major working direction –Transverse: transverse to the major working direction –Short transverse (or normal): transverse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190147
EISBN: 978-1-62708-296-9
..., slightly branched plates or polygons Gray Blue→pink, Fig. 4.3 Source: Ref 1 , 2 A light metallographic microscope provides several specimen illumination modes to produce different image contrast. Examples of the visual effects of various illumination modes are presented in Fig. 4.2...
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 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... results, unless failure by SCC is confirmed by metallographic examination. Such extraneous failures are less likely to occur with specimens loaded under constant strain. Therefore, small test specimens, which are generally preferred for laboratory screening tests and research studies, must be used...