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focused infrared welding

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140201
EISBN: 978-1-62708-264-8
... Abstract Temperature is a critical process parameter in the heat treatment and forging of steel and must be accurately measured to properly control it. This appendix discusses the operating principles of thermocouples and infrared pyrometers, describing the various types as well as advantages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... Consolidation of melt-fusible thermoplastics consists of heating, consolidation, and cooling, as depicted schematically in Fig. 6.1 . As with thermoset composites, the main processing variables are time ( t ), temperature ( T ), and pressure ( P ). Heating can be accomplished with infrared heaters, convection...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290165
EISBN: 978-1-62708-306-5
..., advantages, and disadvantages of brazing and soldering. The first part focuses on the fundamentals of the brazing process and provides information on filler metals and specific brazing methods. The soldering portion of the chapters provides information on solder alloys used, selection criteria for base metal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780093
EISBN: 978-1-62708-268-6
..., electrical or electronic component failures, electrical arcing, the presence of contaminants, interference fits, poor welds or solder joints, porosity, cuts, scrapes, witness marks, and other conditions. In many cases, hypothesized failure causes may be visible to the naked eye. In these situations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... inert gas (TIG), welding [ Hill et al. 1990 , Merlini and Bush 1978 , Gilliland and Slaughter 1963 , White et al. 1962 ]. (The electron beam welding process is a high-density fusion process that is accomplished by bombarding the joint to be welded with an intense, strongly focused beam of electrons...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
... systems using a variety of optical systems for focusing and, as mentioned above, using fiber optics. Theory of Operation of Infrared Pyrometers As mentioned above, infrared pyrometers measure the radiation given off by the heated object. An internal calibration is used to convert the radiation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290001
EISBN: 978-1-62708-306-5
... Diffusion welding Friction welding Electron beam welding Laser beam welding Torch brazing Furnace brazing Induction brazing Resistance brazing Dip brazing Infrared brazing Diffusion brazing Soldering Carbon steel S X X X X X X X X X X X X X X X X...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... aluminum and titanium contents, are welded with little difficulty. Nickel-base superalloys, for example, IN-718, that have a slow aging reaction also are welded without problems. Most welding concern is focused on the high-strength γ′ -hardened nickel superalloys, which are the high precipitation-hardener...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
... in intensity and position. For welding, the beam must be focused by optical elements (mirrors or lenses) to a small spot size to produce a high-power density. This controlled power density melts the metal and, in the case of deep penetration welds, vaporizes some of it. When solidification occurs, a fusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... and defects in materials up to 250 mm thick (and particularly in welds) High resolution (practically, about 0.1 to 0.2 mm in steel) at high frequency. Suitable for on-site use and for wide range of materials at temperatures up to 500 °C (930 °F). Nondestructive National and international standards...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850267
EISBN: 978-1-62708-260-0
... described by developing a plot of light intensity versus wavelength. Most light microscopy techniques use light in the visible spectrum, while only limited studies have been devoted to developing ultraviolet or infrared microscopy techniques. Although the eye is sensitive to only the visible spectrum...
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 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400109
EISBN: 978-1-62708-258-7
... for moving the specimen beneath or above the light beam and for focusing the image of the microstructure. Stage The stage is a movable flat platform that supports the specimen. A top view of a typical stage on an upright microscope can be seen in Fig. 5.4 . On the stage, one can see the specimen...
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 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... test. The coverage of the inspection (for example, the amount of a weld or vessel shell to be inspected) should be chosen to give the required confidence in the integrity of the component for the required service life until the next scheduled inspection. The period between planned inspections...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110067
EISBN: 978-1-62708-247-1
... that is typically perpendicular to the incident sound beam. The C-scan image can be formed by mechanically scanning a piezoelectric transducer above the specimen and electronically gating the signal in time. The broad-band transducer commonly employed contains a lens designed for focusing the acoustic waves. C-scan...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870001
EISBN: 978-1-62708-299-0
... spectrum, from radio waves through visible light and on into the infrared and thermal range. It bounces away about 80% of the visible light and 90% of the radiant heat striking its surface. The high reflectivity gives aluminum a decorative appearance; it also makes aluminum a very effective barrier against...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460253
EISBN: 978-1-62708-285-3
... exploring copper cold spray in collaboration with the National Research Council (NRC). Within the coating program, a large variety of copper coating sizes have been investigated, from small corrosion coupons to full-scale used-fuel containers/canisters (UFCs). Electrodeposition and various weld claddings...