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thermography

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Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006564
EISBN: 978-1-62708-290-7
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006464
EISBN: 978-1-62708-190-0
... Abstract For most nondestructive evaluation (NDE) applications, the term thermography actually refers to surface-excited thermography (SET) that involves thermal mapping of surface temperature as heat flows from, to, or through a test object in response to excitation applied to the sample...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
... acoustic transducer, radiography, thermography, and low-frequency vibration methods. The article also provides information on NDE methods commonly used for metal-matrix composites. acoustic emission computed tomography digital radiography eddy-current electromagnetic acoustic transducer fiber...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006444
EISBN: 978-1-62708-190-0
... Abstract Vibrothermography, also known as sonic thermography, sonic infrared (IR), thermosonics, and vibroacoustic thermography, is a nondestructive evaluation (NDE) technique for finding cracks and delaminations through vibration-induced heating. This article describes the four parts of the...
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
... and selective excitation configuration of the signal-generation mechanisms in thermal nondestructive evaluation methods. The three widely used approaches to TNDE are surface-excited thermography, vibrothermography, and thermoelastic stress analysis. The article provides information on the common...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003657
EISBN: 978-1-62708-182-5
... Abstract This article begins with an overview of the various aspects of infrared pulse thermography used to detect disbondments, delaminations, and generalized corrosion. It describes the distinctive phases of the pulse thermographic process and the key components that are required to perform...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
...-ultrasonics, radiography, X-ray computed tomography, thermography, low-frequency vibration methods, acoustic emission, eddy current testing, optical holography, and shearography. The article presents some examples are for fiber-reinforced polymer-matrix composites. Many of the techniques have general...
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
... inspection and many types of temperature-measuring devices and substances, this article focuses only on thermography, which is the mapping of isotherms, or contours of equal temperature, over a test surface, and on thermometry, which is the measurement of temperature. Thermography techniques can be...
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
... warning of a failure. Also, corroded electrical connections, damaged material components, and so on can cause abnormal temperature distribution, which can be used as a health indicator. Infrared thermography is the process of using thermal imagers to capture infrared radiation emitted by an object to...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006451
EISBN: 978-1-62708-190-0
... stress on the surface of a part subjected to time-varying loads. Thermoelastic stress analysis differs from other thermal techniques in that it does not measure heat transfer through a part due to an externally applied excitation, as in pulse thermography or vibrothermography, but instead it measures...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003653
EISBN: 978-1-62708-182-5
... infrared light, and some unique methods utilizing reflected and amplified light to look at surface topography, triboluminescent sensing, thermography, and the superconducting quantum interference device (SQUID). Reports describing these methods are included in NACE Symposia on corrosion monitoring...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003463
EISBN: 978-1-62708-195-5
... thermography. Destructive test techniques are also useful for studying damage in composite materials whether the objective is to develop fundamental knowledge of materials response in the research laboratory, or to analyze a materials failure. Most of these techniques are similar to those...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006438
EISBN: 978-1-62708-190-0
... inspection, dimensional metrology, ultrasound, radiography, penetrant test, magnetic particle test, leak test, eddy current tests, potential drop tests, flash and vibro thermography, shearography, acoustic emissions, and many other methods. This article provides discussion on general NDE science and...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003431
EISBN: 978-1-62708-195-5
... inspection methods, such as leaky Lamb wave, polar backscattering, nonlinear acoustics, ultrasonic, radiography, computed tomography, and infrared thermography, to name a few. The continued development of these technologies could effectively make huge improvements in some markets. Data fusion systems are...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
... broken locations. Flash IR that uses a high-intensity flash bulb to rapidly heat the surface of a part is a viable method to detect voids, disbonds and cracks near a component surface. Acoustic thermography using a tuned speaker can also be used to mechanically excite the surface of a part when heating...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003454
EISBN: 978-1-62708-195-5
... the damage. The detection of core failures for types B and C damage is difficult using most conventional nondestructive inspection techniques, such as tap testing and ultrasonics. Nondestructive evaluation techniques that may be used to detect damage are impedance testing, thermography, and, possibly...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003456
EISBN: 978-1-62708-195-5
... inspection methods currently available include: Visual, which includes optical magnification and defect enhancement Acoustic methods, which identify changes in sound emission Ultrasonic methods, such as A-scan and C- scan and also Lamb waves Thermography Interferometry Radiography...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006465
EISBN: 978-1-62708-190-0
... anomalies Mechanical properties Electromagnetic properties Residual stress Visual C C (b) A A N N N Ultrasonic A A A B A N B Electromagnetic B A D B N A C Radiography A A C A N N A Thermography D (c) B D B N N N (a) A, applicable; B, possible...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004215
EISBN: 978-1-62708-184-9
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003459
EISBN: 978-1-62708-195-5
... honeycomb—it is relatively good at finding water trapped in honeycomb—but is not good for detecting delaminations parallel to the plane of the x-ray image. Thermography uses an infrared camera to videotape parts as they are heated or cooled and uses the visible thermal differences to extract information...