1-20 of 117 Search Results for

artifacts

Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040055
EISBN: 978-1-62708-428-4
... Abstract Thermal barrier coatings (TBCs) are applied using thermal spray coating (TSC) processes to components that are internally cooled and operated in a heated environment. The TSC microstructures are prone to interactions with common metallographic procedures that may result in artifacts...
Image
Published: 01 December 2003
Fig. 1 Artifacts generated by improper platinum sputter coating of a 4.6 mm (0.18 in.) diameter polycarbonate rotating beam fatigue specimen. This SEM view shows a pattern in the coating reminiscent of “mudcracking.” Source: Ref 2 More
Image
Published: 01 August 2018
Fig. 4.7 False indications (artifacts) in a macrograph. Dark bands are the result of local hardening due to excessive heating during the sample preparation with a grinding wheel. Etchant: iodine reagent. More
Image
Published: 01 August 2018
Fig. 4.8 False indications (artifacts) in a macrograph. Dark and light bands are the result of local hardening due to excessive heating during the sample preparation with a cut-off wheel. Either excessive pressure or insufficient refrigeration was used. Etchant: iodine reagent. More
Image
Published: 01 August 2018
Fig. 4.9 False indications (artifacts) in a macrograph. Transverse scratches left from coarse sanding that were not completely removed on the finer sanding stages. Dark stain at the left is the camera lens reflection on the sample surface (see the section “ Reflections and Glare ”). Etchant More
Image
Published: 01 June 2022
Figure 2 Artifacts in TBC caused by sectioning shown in (a) lower magnification images showing loss of TC by cracking and decohesion during sectioning and (b) high magnification image with arrows indicating additional horizontal cracking in the TC along the substrate interface in the BC More
Image
Published: 01 June 2022
Figure 3 Artifacts in TBC resulting from mounting methods. Images provided by the Center for Advanced Coatings at Florida Institute of Technology. More
Image
Published: 01 June 2022
Figure 5 Artifacts from optical microscopy and image analysis. More
Image
Published: 01 May 2018
FIG. 1.1 The Ashoka Pillar in New Delhi, India. This wrought-iron artifact has resisted corrosion for at least 1600 years. More
Image
Published: 01 March 2002
Fig. 7.9 Micrographs of an ancient steel artifact cut with an abrasive wheel without water coolant. (a) Normal bulk microstructure of coarse pearlite regions in a ferrite matrix away from the cut surface. Fine pearlite (b) and martensitic (c) regions near the cut surface indicating heating due More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110434
EISBN: 978-1-62708-247-1
.... The discussion includes a comparison of scanning transmission electron microscope-EDS elemental mapping and mapping with an SDD. A brief section is devoted to the discussion on the artifacts that occur during X-ray mapping. elemental mapping energy dispersive X-ray spectroscopy lithium-drifted EDS...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030043
EISBN: 978-1-62708-349-2
... and process variables for sample preparation. Then, the chapter discusses the processes of abrasive sizing for grinding and rough polishing. Next, it provides a summary of grinding methods, rough polishing, and final polishing. Finally, information on common polishing artifacts that can result from any...
Image
Published: 01 November 2019
Figure 19 SEM image of an aluminum line with 10 nm of Au/Pd sputter coating. All the small dark jagged lines are sputter grain artifacts. More
Image
Published: 01 December 2003
Fig. 31 Fracture in a polyvinyl chloride water filter. The fracture surface of the fatigue crack started from a fissure (arrow F). The lower dark zone is an artifact due to sectioning of the filter wall. 75× More
Image
Published: 01 January 2000
Fig. 50 Plug-type dezincification in an α-brass (70Cu-30Zn) exposed for 79 days in 1 N NaCl at room temperature. Note porous structure within the plug. The dark line surrounding the plug is an etching artifact. 160× More
Image
Published: 01 November 2019
Figure 28 Secondary electron image of aluminum metal sputter coated with 10 nm of Au/Pt. The image has high resolution, but the original surface detail is obscured and the sputter coating grains introduce artifacts seen as jagged dark lines. More
Image
Published: 01 December 2015
Fig. 2 Plug-type dezincification in an α-brass (70Cu-30Zn) exposed for 79 days in 1 N NaCl at room temperature. Note porous structure within the plug. Dark line surrounding the plug is an etching artifact. Total width shown is 0.56 mm (2.2 mils). More
Image
Published: 01 June 2008
Fig. 18.14 Plug-type dezincification in an α-brass (70Cu-30Zn) exposed for 79 days in 1 N NaCl at room temperature. Note porous structure within the plug. Dark line surrounding the plug is an etching artifact. Total width shown is 0.56 mm (22 mils). More
Image
Published: 01 November 2012
Fig. 9 Plug-type dezincification in an α-brass (70Cu-30Zn) exposed for 79 days in 1 N NaCl at room temperature. Note porous structure within the plug. Dark line surrounding the plug is an etching artifact. Total width shown is 0.56 mm (22 mils). Source: Ref 3 More
Image
Published: 01 November 2019
in saturation shows a dark region of reduced current when the drain is heated. Most of the source does not show any change in current however an unexplained increase is seen at the source edge that is believed to be an artifact of the test structure More