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infrared pyrometers

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Published: 09 June 2014
Fig. 12 Infrared pyrometer More
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005854
EISBN: 978-1-62708-167-2
... current infrared pyrometers have come a long way in overcoming the previous versions, with two-color devices only requiring a small sample size for accurate readings. This has allowed for more precise control of the heating systems. When the part is moving during the heating cycle, the effect of scale...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003239
EISBN: 978-1-62708-199-3
... on it. Because thermal detectors have a uniform response without regard to infrared wavelength, a radiometer is often used to measure total radiation. If the radiometer has a lens system, it will be restricted to the infrared-transmission characteristics of the lenses. Pyrometers Pyrometers (or infrared...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005924
EISBN: 978-1-62708-166-5
... temperature readings. Infrared pyrometers and fiber optics are most widely used for temperature measurement with induction. Infrared pyrometers are accurate to 0.5 to 1% of the reading. They can be used as portable sensors or as part of a permanent, continuous temperature-monitoring or -controlling system...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005849
EISBN: 978-1-62708-167-2
... improperly heated billets from properly heated billets. Furthermore, the pyrometer sensing system can be used to control the induction heating power supply based on a set of average billet temperatures. Fig. 12 Infrared pyrometer Extractor Rolls Extractor rolls are a set of rollers...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003199
EISBN: 978-1-62708-199-3
... in reducing atmospheres S (platinum, 10% rhodium-platinum) −20 to 1480 0 to 2700 Usable in oxidizing atmospheres; provides a higher usable range than type K; frequently more practical than noncontact pyrometers; has high conformity to published calibration data Easily contaminated in other than...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006954
EISBN: 978-1-62708-439-0
... of a melt pool dynamically fluctuates during fabrication, largely dependent on the interactions of scan strategy, part geometry, or varying processing parameters. Fig. 1 (a) Melt-pool-scale thermal image from a high-speed, staring-configuration near-infrared camera (20 μm/pixel, 30,000 frames/s). (b...
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
.... Outwater J.O. and Shaw M.C. , Surface Temperatures in Grinding , Transactions ASME , Vol 74 , 1952 , p 73 22. Ueda T. , Hosokawa A. , and Yamamoto A. , Studies of Temperature of Abrasive Grains in Grinding—Application of Infrared Pyrometer , Journal of Engineering...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0005663
EISBN: 978-1-62708-173-3
... pH negative logarithm of hydrogen-ion activ- IPTS International Practical Temperature MPa megapascal mpg miles per gallon ity Scale mph miles per hour IR infrared MRDA man-rated demonstration vehicle PH precipitation hardenable; precipitation IRS infrared soldering MRR material removal rate hardening...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005925
EISBN: 978-1-62708-166-5
... control systems, including contact sensors, noncontact sensors, controllers, energy-flow regulators, measurement instruments, and set-point programmers. Common contact sensors include temperature scales, thermocouples, and resistance temperature detectors, whereas optical pyrometers and on-line radiation...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001299
EISBN: 978-1-62708-170-2
..., and a means to record at least the front oxide face temperature during the heating cycle. Two-color infrared optical pyrometers are widely used for the latter task, with the output connected to a chart recorder or computer. One word of caution concerning the temperature measured. If the zirconia coating...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.9781627081733
EISBN: 978-1-62708-173-3
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006409
EISBN: 978-1-62708-192-4
... –450 to 2370 29.6 Source: Ref 8 Noncontact-Type Temperature Sensors Noncontact-type temperature sensors make use of thermal radiation to measure the contact temperature. Boltzmann’s law gives the relation between temperature and radiation. In recent years infrared (IR) cameras have...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006968
EISBN: 978-1-62708-439-0
...-sensitive polymer AM processes, such as material extrusion and PBF. There are two major types of thermal sensors used in AM monitoring: thermocouples and infrared cameras. Notably, the pyrometer has also been applied in polymer AM ( Ref 76 ). However, because its ideal temperature measurement interval...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0007023
EISBN: 978-1-62708-439-0
... in laser powder-bed fusion/directed-energy deposition. IR, infrared; CMM, coordinate measuring machine; GOM, 3D inspection software The table shows that the methods are predominantly based on infrared or high-speed camera and optical technologies with thermal systems monitoring temperature gradients...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0005549
EISBN: 978-1-62708-162-7
..., Symbols, and Tradenames DSA dispersion-strengthened alloy Gy gray (unit of absorbed radiation) IR infrared DSC differential scanning calorimeter ISA Instrument Society of America DTA differential thermal analysis h hour ISCC intergranular stress-corrosion e natural log base, 2.71828; charge of an h...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005144
EISBN: 978-1-62708-186-3
... inside the deep drawing tool as a result of heat conduction ( Fig. 15 , bottom). Heating equipment includes ovens, platen heaters, ring burners, electric heating elements, heat-transfer liquids, induction heaters, and lamps and other types of infrared heating (see the section “Heating Methods...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006007
EISBN: 978-1-62708-172-6
...) or tunnel ovens, where natural gas supplies the energy. Tunnel ovens use both direct-flame impingement and radiation to heat the pipe. Temperature measurement typically uses thermocouples, melt crayons, or infrared/optical pyrometers, or a combination of the three. Infrared guns use radiated energy...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003993
EISBN: 978-1-62708-185-6
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
..., Auger electron spectroscopy; EELS, electron energy-loss spectroscopy; EPMA, electron probe x-ray microanalysis; EDS, energy-dispersive x-ray spectroscopy; FTIR, Fourier transform infrared spectroscopy; RS, Raman spectroscopy; RBS, Rutherford backscattering spectrometry; STEM, scanning transmission...