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metallographic polishing

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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, and...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003245
EISBN: 978-1-62708-199-3
... are discussed in this article. However, procedures described in the section “Metallographic Methods” in the article “Metallographic Practices Generally Applicable to All Metals” regarding sectioning and polishing of specimens are, for the most part, applicable to carbon and alloy steels...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003247
EISBN: 978-1-62708-199-3
... alloys, refractory metals and alloys, zinc and zinc alloys, and wrought heat-resisting alloys. The preparation of specimens for metallographic technique includes operations such as sectioning, mounting, grinding, polishing, and etching of nonferrous metals and alloys. The article contains tables that...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001300
EISBN: 978-1-62708-170-2
... structure ( Ref 13 ). Fig. 3 Scanning electron micrographs of an electrodeposited chromium film. (a) Fracture cross section. (b) Plan view showing the presence of cracks within the coating Most standard metallographic preparation techniques can be applied to coatings, and polished cross sections...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004018
EISBN: 978-1-62708-185-6
... commonly seen in the fcc lattice. The fcc materials mechanically twin only with considerable difficulty, because of the substantial opportunities for slip. Alternatively, hcp materials mechanically twin more easily; so easily, in fact, that sometimes mechanical polishing of a metallographic specimen can...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003988
EISBN: 978-1-62708-185-6
... forged materials: the part dimensions and surface finish measurement, magnetic particle inspection, metallographic analysis, and nondestructive testing. It concludes with a discussion on the applications of powder forged parts with examples. ferrous alloy powder forging inclusions magnetic...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001312
EISBN: 978-1-62708-170-2
... descaling, pickling or etching, anodizing, autoclaving, polishing, buffing, vapor phase nitriding, and electroplating. It also provides several application examples. anodizing autoclaving blast cleaning buffing chemical descaling cleaning electroplating etching finishing forming hafnium...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001307
EISBN: 978-1-62708-170-2
..., including polishing, electroplating, ceramic coatings, diffusion coatings, and shot-peening. The article presents numerous examples that identify cleaning and finishing problems and the procedures used to solve them. ceramic coatings cleaning coating diffusion coatings electroplating finishing...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001239
EISBN: 978-1-62708-170-2
... components with controlled surface properties. Emphasis is placed on kinematically simple configurations of finishing processes, such as surface grinding, flat surface polishing, and lapping. flat surface polishing grinding lapping surface finishing surface properties thermal damage thermal...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005333
EISBN: 978-1-62708-187-0
..., copper, and iron. The article illustrates a characteristic five-layer microstructure of zinc alloy casings. It discusses the various methods of finishing of zinc alloy die castings, including chromium plating, polishing, painting, and electropainting. The article describes the casting of inserts and...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001305
EISBN: 978-1-62708-170-2
... provides an overview of the various types of stainless steels and describes the commonly used cleaning methods, namely, alkaline cleaning, emulsion cleaning, solvent cleaning, vapor degreasing, ultrasonic cleaning, and acid cleaning. Finishing operations of stainless steels, such as grinding, polishing...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006684
EISBN: 978-1-62708-213-6
... microstructure of a specimen. Also, all etchants are not equal, and nital, used probably over 90% of the time by metallographers studying iron and steel specimens, is frequently not the optimal reagent for viewing the structure. Fig. 56 Microstructure of as-polished titanium diboride viewed using (a...
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
... must be developed and followed for each coating. To ensure that the process is in control, it is common practice to coat a small sample using a standard set of parameters (standoff, traverse rate, angle of deposition, etc.) for metallographic examination of the coating before coating a part. The cross...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003827
EISBN: 978-1-62708-183-2
... beryllium surface. A beryllium x-ray window, brazed in a stainless steel frame, suffered significant pitting corrosion in less than 5 min of metallographic polishing. The electrolyte solution used in polishing allowed galvanic corrosion to occur between the beryllium and the stainless steel. The window...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
... alloy will fracture by transgranular cleavage or by intergranular separation. This is an oversimplification (most fractures display a mixture of features), but it is the basic premise. Metallographic examination of sections normal to the fracture surface will disclose the nature of the...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006668
EISBN: 978-1-62708-213-6
... SEM on metallographically polished and etched samples at low magnifications, it is generally useful to use microhardness indentations as fiducial marks. Placing such marks near a point examined in the OM facilitates locating that same point in the SEM for examination at higher magnification...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005677
EISBN: 978-1-62708-198-6
... … Erosion … Saliva Tooth/restoration … … Unusual habits 2-body Saliva Tooth/restoration Foreign body … Prophylactic causes of wear Toothbrush and dentifrice 3-body Water Tooth/restoration Toothbrush Dentifrice Prophylactic pastes 3-body Water Tooth/restoration Polishing cup...
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
... microscopic examination of fracture surfaces will be described and illustrated in this article. Results will also be compared and contrasted with those produced by electron metallographic methods, primarily SEM. Visual, light microscopic, and electron microscopic methods are complementary; each has particular...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006283
EISBN: 978-1-62708-169-6
... vibratory polisher with alumina and no-nap polyester cloth. Source: Ref 9 Vacuum heat treating reduces α-case formation but does not completely eliminate it. For example, a 79% depth reduction in α-case thickness from 57 to 12 μm was obtained after vacuum heat treating at 954 °C (1750 °F) for 6 h...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006660
EISBN: 978-1-62708-213-6
... no sample preparation ( Ref 31 ). However, most samples will require some sample preparation. In most cases, standard careful metallographic sectioning and polishing techniques should produce adequate samples for EBSD. The standard preparation steps leading up to the final polishing step include...