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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
... temperature sensors on-line radiation thermometers optical pyrometers resistance temperature detectors temperature control thermocouples Abstract Abstract Temperature control in heat treating is of paramount importance in maintaining the quality and achieving the desired metallurgical results...
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
... there is a thick layer of insulation surrounding the coil. If the insulation or the coils obstruct the line of sight, such as shown in the center of the figure, the instrument will indicate a low temperature; the one exception is the use of a two-color thermometer, in which case the obstructions have minimal...
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
... being measured by a standard thermocouple (usually one calibrated by NIST) or other standard thermometer, Test points are selected on the basis of thermocouple type, temperature range to be covered, accuracy required, and end use. The accuracy obtained with this technique depends on the ability...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003199
EISBN: 978-1-62708-199-3
... combustion. Fuel pressure thus must be proven within an allowable range. Gas-pressure switches for both high and low gas limits are installed in the main gas lines. Pressure Regulators Good, safe design normally requires one regulator for pilot fuel and another regulator for main-burner fuel...
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
... are instruments used to measure incident radiation. They consist of some type of hollow cavity with an aperture in one end and a thermal detector mounted internally. The thermal detector is so located that the radiation is focused on it. Because thermal detectors have a uniform response without regard to infrared...
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
... with one or more of them on a surface before it is heated. Noncontact Thermometric Inspection The temperature-measuring devices used in noncontact thermometric inspection depend on response of a thermal detector to infrared radiation. They are particularly useful when it is necessary to monitor...
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
... along the axis for a finite length solenoid coil. As might be expected, the magnetic field intensity is the largest in the center of the coil, z = 0, and drops off as one traverses to the ends of the coil. Nanoparticles are objects having a diameter of less than 300 nm (11.8 μin.). These objects...
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 Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005928
EISBN: 978-1-62708-166-5
.... The sample pump pushes the sample gas from the furnace or generator to the analyzing instrument. This minimizes sample contamination due to leaks in the sample line, because there is always a positive pressure in the portion of the line downstream from the pump. If a sample pump fails, only one sampling...
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
... of the mercury thermometer by Fahrenheit in 1714 and the alcohol thermometer by Réaumur in 1730. The bimetallic strip was invented by Harrison circa 1759. S.P. Rockwell, of Rockwell hardness fame, invented one of the earliest dilatometers and was awarded a patent for it in 1929. P. Chevenard in France in 1930, S...
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
... available information concerning these metals, it is recommended that the most recent issues of these publications be consulted. Silver Gold Platinum-Group Metals Precious metals are bought and sold in troy ounces or, in markets where the metric system is used, in kilograms. One kilogram...
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
... material to provide better adhesion for the coating. Nitriding and coating can be done in one installation but is also often done in two steps on different installations. It is critically important to maintain good control of the plasma nitriding process to prevent the formation of a compound layer...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003028
EISBN: 978-1-62708-200-6
... carbon arc types. The factors discussed below, present in outdoor weathering, will contribute to material degradation. Although the characteristics of exposure to each degradation factor are described individually, it is important to note that a material is typically exposed to more than one factor...
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
... ). An example is a coating system with improved impact and gouge resistance. Others include a top coat that resists damage from ultraviolet radiation or provides an antislip coating to reduce slippage with a concrete weight coating ( Ref 25 ). Single-layer FBE pipe coating is a one-part, heat curable...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
... can be tailored to the application by careful control of the composition, structure, and orientation. One of the growing uses for advanced ceramics is in the area of structural or load-bearing applications. These uses require materials that have high strength at room temperature and/or retain high...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005514
EISBN: 978-1-62708-197-9
.... No commercial instrument available Al alloys  One of the modes of operation is the Smith calorimeter. (70–1830 °F) Drop calorimetry 500–1500 °C (930–2730 °F) (depends on container) Heats a sample to a known temperature; drop into a calorimeter and measure the temperature rise to derive enthalpy...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003150
EISBN: 978-1-62708-199-3
... and as single lengths about 150 mm (6 in.) long. Base metal tube is available with an outer cladding or an inner lining of platinum, gold, silver, or any of the commercial precious metal alloys. Precious metal powders are produced for a wide range of electronic and industrial applications. Electronic...
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
... of applications of the forward model of the x-ray radiographic process in the field of production inspection. The first is the collapsing of the full three-dimensional aspect of the model to a one-dimensional line path. This allows quick calculation of the kilovoltage, current, and time required for the exposure...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
... structural reliability. Once these issues are solved, the engineering ceramics market in the United States, which is currently estimated to be slightly over $500 million, could approach $1 billion within five years. Wear-Resistant Applications One of the major advantages of ceramics over other...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6