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metallographic preparation

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Published: 01 October 2014
Fig. 7 Metallographically prepared specimen of treated austenitic stainless steel. The uniform and conformal nature of the case has been revealed by etching with Kane's reagent. An advantage of the gas phase treatment is the ability to treat all exposed surfaces, even deep blind holes More
Image
Published: 01 December 2004
Fig. 23 Defects of the metallographic microsection preparation from cutting and mounting. (a) Overheated and deformed material during specimen cutting 400×. (b) Badly retained fracture profile 500× More
Image
Published: 01 December 2004
Fig. 24 Defects of the metallographic microsection preparation from grinding and polishing. (a) Pullouts of brittle particles 250×. (b) Embedding of SiC abrasive particles 400×. (c) Embedding of diamond abrasives 400×. (d) Effect of coma 250×. (e) Scratches from the previous step of polishing More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003748
EISBN: 978-1-62708-177-1
... Abstract Metallographic preparation of a material involves the elimination of artifacts or scratches from fine polishing and may be achieved by methods such as attack polishing, vibratory polishing, chemical polishing, electrolytic polishing, and electromechanical polishing. This article...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006116
EISBN: 978-1-62708-175-7
... suggestions to promote and encourage the safety of those performing metallographic preparation and analysis. chemical etching drying ferrous powders grinding metallic specimens metallographic analysis metallographic preparation mounting polishing powder metallurgy sample selection sectioning...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003767
EISBN: 978-1-62708-177-1
... Abstract This article describes metallographic preparation and examination techniques for stainless steels and maraging steels. It presents a series of micrographs demonstrating microstructural features of these alloys. Procedures used to prepare stainless steels for macroscopic and microscopic...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003777
EISBN: 978-1-62708-177-1
... Abstract This article describes various procedures used in the metallographic preparation of niobium, tantalum, molybdenum, and tungsten alloys. It provides information on sectioning, grinding, mounting, polishing, and electrolytic etching as well as alternate procedures that have been used...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003771
EISBN: 978-1-62708-177-1
... Abstract This article describes the metallurgy and microstructure of high-performance cobalt-base alloys. It discusses metallographic preparation procedures, including sectioning, mounting, grinding, polishing, etching, staining, and heat tinting. It examines the microstructure of cobalt alloys...
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Published: 01 December 2004
Fig. 20 S-65B vacuum hot-pressed block; billet consolidated from impact-ground powder. Polarized light micrograph shows substantially equiaxed grains with particles of BeO. Bright areas are locations where BeO has been “pulled out” during metallographic preparation. As-polished. 250× More
Image
Published: 30 August 2021
Fig. 13 Cross section taken from extracted through-thickness part after metallographic preparation and macroetching using 15% nital solution. Dimensions: 81 mm (3.2 in.) as measured on vessel outside diameter (OD) surface; 56 mm (2.2 in.) as measured on vessel inside diameter (ID) surface More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003761
EISBN: 978-1-62708-177-1
... Abstract This article reviews various phases and constituents found in the microstructures of low-carbon and coated steels. It provides information on the criteria for selecting proper metallographic procedures. Techniques used to prepare metallographic specimens of low-carbon steels and coated...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003791
EISBN: 978-1-62708-177-1
... of these coatings is possible only if specimen preparation produces a surface that clearly reveals the true microstructure. Yet, the heterogeneous or composite nature of the thermal spray deposit can make choosing the right metallographic preparation process very difficult. Comparison of similar specimens prepared...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003782
EISBN: 978-1-62708-177-1
... temperatures have exceeded the transformation temperature. This article examines the methods for metallographic preparation and shows representative microstructures of zirconium, zirconium alloys, and hafnium. History of Zirconium Metallography Some of the early metallography performed and published...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003747
EISBN: 978-1-62708-177-1
... Abstract This article illustrates how objective experiments and comparisons can be used to develop surface preparation procedures for metallographic examination of structural features of metals. These procedures are classified as machining, grinding and abrasion, or polishing. The article...
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
... Abstract This article provides a discussion on the metallographic techniques used for failure analysis, and on fracture examination in materials, with illustrations. It discusses various metallographic specimen preparation techniques, namely, sectioning, mounting, grinding, polishing...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003770
EISBN: 978-1-62708-177-1
.... Additional engineering controls, such as a local exhaust ventilation, and work practice controls, such as wet methods, personal protective equipment, and housekeeping, are required for sectioning, grinding, or polishing operations that produce dust or fume. Metallographic preparation equipment and laboratory...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... be performed with the scanning electron microscope (SEM) over the same magnification range as the LM, but examination with the latter is more efficient. This article describes the major operations in the preparation of metallographic specimens, namely sectioning, mounting, grinding, polishing, and etching...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003244
EISBN: 978-1-62708-199-3
..., either manually or by the use of image analyzers. Preparation of metallographic specimens generally requires five major operations: sectioning, mounting, grinding, chemical polishing, and etching. The article provides information on the principles of technique selection in mechanical polishing...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001754
EISBN: 978-1-62708-178-8
... behavior. It covers the steps involved in sample preparation, including sectioning, mounting, grinding, polishing, and etching, and presents several examples of macro and microanalysis on various metals and alloys. macroanalysis metallographic sectioning microanalysis optical metallography...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001282
EISBN: 978-1-62708-170-2
... on the surface preparation methods and finishing treatments of coated parts. The article also explains the tests to evaluate the coating quality and the effects of coating structures and mechanical properties on coated parts. It concludes with a discussion on the uses of thermal spray coatings. coating...