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SHADOW welding

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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
... to guarantee traceability. Lighting Whichever photographic technique is used, three aspects related to sample lighting are especially important to ensure good quality photographic images: Uniform lighting and properly oriented light sources Adequate control of reflections and shadows (caused...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270025
EISBN: 978-1-62708-301-0
... is repeated a few times until a clear replica is obtained. This replica carries a negative impression of all the features on the fracture surface. The plastic replica is then placed in a vacuum chamber and shadowed at an angle with a thin layer (about 200 Å) of a heavy metal such as gold, chromium...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400245
EISBN: 978-1-62708-258-7
... between faying surfaces, solidi es to bond the surfaces together. adhesive wear. The removal or displacement of material from a surface by the welding together and subsequent shearing of minute areas of two surfaces that slide across each other under pressure. Compare with abrasive wear. Aecm, Ae1, Ae3...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... metal and the weld metal may create shadows to hide a crack that otherwise might be visible. Ultrasonic inspection is generally effective in detecting most cracks in the weld zone. Transverse Cracks Transverse cracks in weld metal (No. 2, Fig. 6 ) are formed when the predominant contraction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930057
EISBN: 978-1-62708-359-1
... in composition between the base metal and the weld metal may create shadows to hide a crack that otherwise might be visible. Ultrasonic inspection is generally effective in detecting most cracks in the weld zone. Transverse Cracks Transverse cracks in weld metal (No. 2, Fig. 6 ) are formed when...
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 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
.... Three primary attenuation processes of electromagnetic radiation, namely photoelectric effect, Compton scattering, and pair production, are covered. The chapter then discusses the principles of shadow formation, the process involved in the conversion of radiation into a form suitable for observation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
... Abstract Welded joints in any component or structure require a thorough inspection. The role of nondestructive evaluation (NDE) in the inspection of welds is very important, and the technology has become highly developed as a result. This article describes the applications, methods, evaluation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720021
EISBN: 978-1-62708-305-8
.... These come in a variety of shapes, sizes, intensities, and swivel-arm types. They provide less intensity and illuminate a smaller area than the flood or spot type described above. They are good for smaller areas and have longer lives. The fluorescent type has less intensity, but produces fewer shadows...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060429
EISBN: 978-1-62708-261-7
... with appreciable ductility. welding, for example). austenite. A face-centered cubic iron (gamma iron) or steel. beryllium-copper. Copper-base alloys contain- austenitizing. Forming austenite by heating a ing not more than 3% Be. ferrous alloy into the transformation range (partial austenitizing) or above...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180029
EISBN: 978-1-62708-256-3
... such as heat treatment, coating, plating, welding, mail delivery, airline on-time arrival, or parking lot arrangement can be more complex, as is determination of the root cause. In addition, the cause-and-effect relationship or the cascading mechanism for the failure of processes may not be readily apparent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... of the radiation that is not absorbed by the object impinges on a detector such as film. The unabsorbed radiation exposes the film emulsion, similar to the way that light exposes film in photography. Development of the film produces an image that is a twodimensional shadow picture of the object. Variations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
... generally are extruded, although for large-diameter piping, plate-formed and seam-welded piping have been employed in some designs. Forgings are used as reinforcing rings around nozzles and openings, fittings, valves, and flanges. Castings are used only occasionally as valve or pump bodies, where the ease...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560221
EISBN: 978-1-62708-291-4
.... 250×. (c) Austenitized at 860 °C, transformed at 550 °C for 0.7 s. Picral. 250×. (d) Austenitized at 860 °C, transformed at 550 °C for 0.7 s. Picral. 2000×. (e) Austenitized at 860 °C, transformed at 550 °C for 30 s. 365 HV. Picral. A, 250×; B, electron micrograph of a platinum-shadowed carbon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050245
EISBN: 978-1-62708-311-9
... Source: Ref 4 Radiographic Inspection Radiographic inspection is the technique of obtaining a shadow image of a part using penetration radiation. The contrast in a radiograph is a result of different degrees of absorption of x-rays in the part, depending on variations in part thickness...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... electroplates are line-of-sight coating, and one must ascertain if no coating in shadowed areas is going to be a concern. Cost is always an issue. Some material-modification processes are low cost while some are high cost. A simple chromium plate on a part the size of a screwdriver may cost $300 if only one...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... relies on measuring the particle mass versus the particle surface area. There are several possible analysis approaches. Most instruments measure a single geometric parameter and assume a spherical shape. Some of the possible measurement parameters are the particle surface area, projected area or shadow...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720267
EISBN: 978-1-62708-305-8
... surface. Portions of the test piece that are behind this large reflecting surface are in shadow. C-Scan Display C-scan display records echoes from internal portions of test pieces as a function of the position of each reflecting interface within an area. Flaws are shown on a readout superimposed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9