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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 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
... and R. Resnick, Physics , Wiley, New York, 1967 ( Ref 3 ) Fig. 7.3 Temperature error as a function of infrared pyrometer wavelength for a 10% error in emissivity adjustment. From J. B. Wareing, High Temperature Technology , Vol 1, No. 3, 1983, p 147 ( Ref 4 ) Fig. 7.4 Tomographic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... Roll forming of thermoplastic composites Fig. 6.17 Thermoplastic welding methods. Source: Ref 2 Fig. 6.16 Amorphous or dual-resin bonding. PEEK, polyetheretherketone; PEI, polyetherimide Fig. 6.18 Lap shear strength comparison of different joining methods. Source: Ref 2...
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
..., 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, a simple visual examination can reveal the presence of cracks, mechanical disconnects or disbonds...
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
... the characteristics, 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...
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
... Microscopy Fluorescence Microscopy Infrared Microscopy In the observation of details through the microscope, three separate effects are used to create the visual impression of good focus over the field of view: Since focusing on a ground glass is difficult because of the rough texture...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... ]. (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. The instantaneous conversion of the kinetic energy of these electrons into thermal energy as they impact and penetrate...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
... of the fault. Liquid penetrants can be poured into areas of apparent porosity and time allowed for the liquid to seep through the casting wall. However, the introduction of contaminants into the defect may make repair welding more difficult. The pressure testing of rough (unmachined) castings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290001
EISBN: 978-1-62708-306-5
... welding 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720063
EISBN: 978-1-62708-305-8
.... In addition, machine vision systems can detect wavelengths in the ultraviolet and infrared ranges, while the human eye is limited to wavelengths in the visible range ( Fig. 1 ). Comparison of machine and human vision capabilities Table 1 Comparison of machine and human vision capabilities...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... accepted method of fabricating alclad sheet and plate consists of hot rolling to pressure weld the cladding slabs to a scalped core ingot. In fabricating alclad products, the temperature and time of thermal treatments should be minimized to avoid extensive diffusion of soluble elements from the core...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... to approximately 300 °C (570 °F) at a speed of 5 m/min (15 fpm). The infrared radiation pyrometer focused on the conductor at the exit end of the work coil continuously monitors the temperature of the wire. It can thus be used to control the power of the induction generator to maintain a specific processing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... schematically in Fig. 8.43 . Heating can be accomplished with infrared heaters, convection ovens, heated platen presses, or autoclaves. Because time for chemical reactions is not required, the time required to reach consolidation temperature is a function of the heating method and the mass of the tooling...
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
... for deep drawing, and easy to weld. Used for high-purity applications such as chemical processing equipment. Also for nameplates, fan blades, flue lining, sheet metal work, spun holloware, and fin stock 1350 Electrical conductors 2011 Screw machine products. Appliance parts and trim, ordnance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400109
EISBN: 978-1-62708-258-7
... focused, the objective will not function the way it is designed to function and the metallographer will not obtain the full benefit of the high-resolution objective. Figure 5.32 shows an example of how an improperly adjusted illumination system can affect microstructural image quality. The micrograph...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... Testing: General Principles ,” 1997 • BS EN 1290, “ Non-Destructive Examination of Welds—Magnetic Particle Examination of Welds: Method ,” 1998 • BS EN 1435, “ Non-Destructive Testing of Welds—Radiographic Testing of Welded Joints ,” 1997 • BS EN ISO 11120, “ Transportable Gas Cylinders...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460253
EISBN: 978-1-62708-285-3
... deposition was developed, including details on process parameter scale-up adjustment, spray set up and pattern development, coating joining procedure, and coating machining. Ongoing development of the coating process is focused on the weld closure zone, where the process will need to be adapted to limit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230151
EISBN: 978-1-62708-298-3
.... Beryllium is therefore used as a window material in x-ray tubes and in energy-dispersive x-ray detectors. Another very attractive property of beryllium is its reflectivity in the infrared wavelength range. At these longer wavelengths, beryllium reflects more than 99% of the intensity that is incident upon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7