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noncontact temperature sensors

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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
... movement) control, data acquisition, data management, results display, and report writing, all in a package no more costly than a multipoint recorder and a few single-loop controllers. Temperature Sensors Temperature sensors are classified as either contact or noncontact, and as either electrical...
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
... a test surface Thermometry, which is the measurement of temperature. These techniques are separated into two categories: (a) direct contact, in which a thermally sensitive device or material is placed in physical and thermal contact with the test piece; and (b) noncontact techniques that depend...
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
... a test surface Thermometry, which is the measurement of temperature. These techniques are separated into two categories: (a) direct contact, in which a thermally sensitive device or material is placed in physical and thermal contact with the test piece; and (b) noncontact techniques that depend...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006336
EISBN: 978-1-62708-179-5
... accuracy of castings. These techniques can range from simple precision hand tools, such as manual checks with micrometers or Vernier calipers, to more complex processes, such as coordinate-measuring machines or noncontact visual sensors with image analysis capabilities. The type of techniques...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003199
EISBN: 978-1-62708-199-3
... reduces their usage in the metals industry. Resistance temperature detectors are normally larger in size and slower in response than thermocouples. However, the new thin-film deposited detectors minimize this disadvantage, which characterizes conventional wire-wound detectors. Noncontact Sensors...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005553
EISBN: 978-1-62708-174-0
....1983.356736 9. Richardson R.W. , Seam Tracking Sensors—Improvements All the Time , Weld. Des. Fabr. , Sept 1982 , p 77 – 82 10. Cook G.E. and Levick P.C. , Advances in Through-the-Arc Sensing for Adaptive Control , Developments and Innovations for Improved Welding...
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
... Installation of the sensor Fig. 3 The RAT theory Fig. 5 Typical blackbody cavities Fig. 9 Typical sensor, stand-alone Fig. 10 Two-color thermometer Fig. 11 Ninety percent loss in signal Fig. 12 Temperature gradient effects Fig. 13 Variable...
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
... Sensors Noncontact-Type Temperature Sensors Continuum Descriptions Atomistic Descriptions Macroscopic Descriptions Atomistic Descriptions Flash Temperature Rise Nominal Contact Temperature Partition of Frictional Heating In dry contact conditions, Seebeck effect based...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006453
EISBN: 978-1-62708-190-0
... of the infrared (IR) camera, which introduced a real-time, image-based, noncontact approach to temperature measurement—a welcome alternative to point temperature sensors attached to the surface of the part, or temperature-sensitive paints or tapes that had been used previously. In TNDE, applied external...
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
.... , Oscillations of Magnetically Levitated Aspherical Drops , J. Fluid Mech. , Vol 221 , 1991 , p 395 – 416 92. Rhim W.K. , Ohsaka K. , Paradis P.F. , and Spjut R.E. , Noncontact Technique for Measuring Surface Tension and Viscosity of Molten Materials Using High Temperature...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006557
EISBN: 978-1-62708-290-7
... deposition Ti-6Al-4V component Fig. 6 Schematic of the ductility curve, brittle temperature range (BTR), and strain as a function of temperature ( d ε/ dT ). Cracking occurs when the strain across the BTR ( d ε/ dT ) intersects the ductility curve. Source: Ref 26 Fig. 7 Directed-energy...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006633
EISBN: 978-1-62708-213-6
... a short tip, and the cantilever deflection is measured, mostly using a laser-deflection technique. Force (contact mode) or force gradient (noncontact mode) is measured during scanning. Fig. 1 A scanning tunneling microscope can be operated in either the constant-current or the constant-height...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005638
EISBN: 978-1-62708-174-0
... for monitoring temperature (T), reflected radiation (RR), and plasma (P) Fig. 13 Reflected laser power and temperature versus time Fig. 10 Arrangement of a single sensor for monitoring the weld process quality within a defined spectrum. Courtesy of Precitec-Jurca Fig. 9 Stability...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006460
EISBN: 978-1-62708-190-0
... M. , Lévesque D. , Lord M. , Lefaudeux N. , Collet J.-L. , and Naumann N. , Laser Ultrasonic Sensor to Monitor Steel Microstructure at Elevated Temperature: Application to Hot Rolling , Proceedings of the 4th International Symposium on Laser-Ultrasonics and Advanced...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001470
EISBN: 978-1-62708-173-3
... tracking an image with simulated smoke and spatter from a FCAW process Ultrasonic sensors, of both the contacting (piezoelectric crystal) and noncontacting (electromagnetic acoustic transducer) varieties, have been used in the laboratory to evaluate the penetration characteristics of the weld. Other...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006547
EISBN: 978-1-62708-290-7
... Ring oscillators 1 36 Authentication (RGB circles) 1 32 Sensors 4 37 – 40 Solar cells 5 20 , 25 – 28 Technology demonstrations 7 16 , 41 – 46 Thin-film transistors 10 19 , 47 – 55 RGB, red, green, and blue Performance indicator comparison Table 2...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006471
EISBN: 978-1-62708-190-0
... in: (a) Efficiency Tolerance to elevated temperature Damping ability Undesired modes (inherent noise) Transmit Receive Coupling Contact inspection Immerse inspection To water To metal Straight-beam Angle-beam Quartz P G G F G F G G F G Lithium sulfate F E E P P E E P F E...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003267
EISBN: 978-1-62708-176-4
... are test machine displacement, bondable resistance strain gages, and clip-on extensometers or compressometers. Also applicable to low-temperature strain measurements but less commonly used are capacitive transducer methods ( Ref 11 ), noncontact laser extensomers, and linear variable differential...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005578
EISBN: 978-1-62708-174-0
... integrity. In Ref 14 , Hartman et al. explored the feasibility of detecting inadequate surface preparation during IFW of stainless steel to copper. The technique monitored the airborne audio data from the welding process using a novel, noncontact audio sensor. Four off-the-shelf electret microphones...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006400
EISBN: 978-1-62708-192-4
... is measured by AE sensors that are almost always a piezoelectric crystal, commonly made from a ceramic. On the other hand, vibration analysis techniques are only able to detect the defect when it is present and there is a significant change in the vibration signature. Temperature is one of the most common...