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on-line radiation thermometers

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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
... heaters electrical insulation heat treatment noncontact temperature sensors on-line radiation thermometers optical pyrometers resistance temperature detectors temperature control thermocouples TEMPERATURE CONTROL in heat treating is of paramount importance in maintaining quality and achieving...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005853
EISBN: 978-1-62708-167-2
... by a single thermometer—several models and wavelengths are necessary to cover the entire range of temperature). If installed correctly, IR thermometers can overcome problems such as smoke, steam, dust, cold scale on the target, and obstructions in the line of sight. Infrared Theory Sir William Hershel...
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
...-processing circuitry or cryogenically cooled mechanical scanners to provide good-quality image resolution (150 pixels, or picture elements, per scan line) temperature sensitivity to 0.1 °C (0.2 °F). In addition to good image resolution and temperature sensitivity, response times of the order of 0.1 s or less...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006455
EISBN: 978-1-62708-190-0
... at least one half-life. At the time corresponding to one half-life, plot a point corresponding to half of the known source strength that was plotted at zero time. Draw a straight line between the two points, extending the line as far beyond the second point as desired. This line represents the source...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003199
EISBN: 978-1-62708-199-3
.... The motor starter should be wired so that it will disconnect when any phase is interrupted or when the motor malfunctions. A pressure switch in the air line for direct sensing is a must. Gas-Pressure Control Fuel must arrive at the burner in the correct quantity and at the correct time for safe...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005913
EISBN: 978-1-62708-167-2
... with the magnetization. The three factors are believed to combine and produce heat in the nanoparticles. Induction Heating A basic induction heating setup is shown in Fig 1 . The induction heating setup consists of a high-frequency power supply that takes the input from the alternating current (ac) line mains...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001098
EISBN: 978-1-62708-162-7
... to obtain accurate temperature measurements regardless of whether proper techniques are employed. Nine types of instruments, under appropriate conditions and within specific operating ranges, may be used for measurement of temperature: thermocouple thermometers, radiation thermometers, resistance...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005928
EISBN: 978-1-62708-166-5
... on manual. It may be desirable to do these adjustments with the generator off line, depending on the heat treatment processing conditions required. If the desired setpoint is 2 °C (35 °F), then shut off the additive air supply and slowly adjust the carburetor (air/gas ratio) to yield a dewpoint of −7 °C...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003198
EISBN: 978-1-62708-199-3
... Internally heated salt bath furnace with submerged electrodes. This furnace has a modified brick lining for use with carburizing salts. Fluidized-Bed Equipment IN FLUIDIZATION, a bed of dry, finely divided particles, typically aluminum oxide in the heat-treating context, is made to behave like...
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
... ) and have been implemented as commercial products on AM systems. Additionally, several authors have investigated multispectral thermographic imaging in L-PBF ( Ref 27 , 28 ) or single-line hyperspectral on DED ( Ref 29 ), primarily in research environments. Compiling additional wavebands...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005791
EISBN: 978-1-62708-165-8
... is usually done automatically by mass-flow controllers. Control is accomplished in two stages. First, the amount of gas inlet is controlled by mass flow controllers and provides a constant gas flow. A butterfly valve on the evacuation line between the vessel and the vacuum pump controls the amount of gas...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003028
EISBN: 978-1-62708-200-6
... R , another constant. The constants a and b can be estimated by fitting the experimental data in the form of log 10 y (= Y ) versus 1/ T to Eq 3 . This can be done by graphing the data on semi-log paper and visually fitting the best straight line through the points. It can also be done more...
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
..., it has a substantial effect. Cure curves (minimum time to quench) take pipe cooldown into account. Cool Water quench of the pipe is the normal cooling process in most FBE in-line coating plants. The goal is to cool the pipe to make it easier to handle without danger of burning injury for personnel...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.9781627082136
EISBN: 978-1-62708-213-6
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
.... These are available in large monolithic slabs, which have shown improved life as a liner in a primary feed line at a nickel ore mine. Larger tiles with fewer seams result in less wear ( Ref 6 ). Another approach to improve the impact resistance of ceramic wear liners is the use of a ceramic-filled polymer. Pipe...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006674
EISBN: 978-1-62708-213-6
... detection. A thermocouple used in a vacuum should be as close as possible to the specimen without touching it (1 mm, or 0.04 in., or so) and within a line of sight of the specimen. Reactive, corrosive, or reducing gases, including hydrogen, ammonia, and carbon monoxide, may be used in TMA to simulate...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006443
EISBN: 978-1-62708-190-0
... environment, and in assessing human factors relevant to the application. Incorporation and integration of the qualitative factors and considerations in the application of prior art are essential for making the transition from laboratory test data to production line use. However, careful analysis...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003068
EISBN: 978-1-62708-200-6
... when cracks nu- the index of refraction of the glass for the sodium line mate, in a short time, the deteriorating effect obtained cleate and move or when phase changes occur; wave at 589.3 nm, and nF and nc are the indices for the under normal long-term service conditions. See also frequency...
Book Chapter

Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001087
EISBN: 978-1-62708-162-7
... for alloying, laboratory ware, and contacts. Platinum of even higher purity, sometimes with controlled impurities, is used for other specialized applications such as thermocouples and resistance thermometers. The present U.S. thermometric standard platinum, designated Pt 67, is 99.999% pure. Federal...