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noncontact thermographic inspection

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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 devices include bolometers, thermocouples, thermopiles, and meltable substances, whereas radiometers and pyrometers come under the noncontact category. contact thermographic inspection contact thermometric inspection noncontact thermographic inspection noncontact thermometric inspection...
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
...), with low frame rates, spatial resolution, and sensitivity. Nevertheless, they introduced the possibility of fast, noncontact inspection by providing a continuous video image of an entire area, rather than numeric output for a single point ( Ref 1 , 2 ). Camera technology improved rapidly in every...
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
... ). Noncontact methods are more amenable to use with higher degrees of surface roughness but suffer from inherently lower probability of detection (POD) and sensitivity. Design for inspectability of additive components is a critical topic that needs engagement of designers and quality groups, and it is needed...
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
... is commonly coupled into the part using a couplant, such as water, glycerin, and other materials. Typical noncontact systems used to couple PE transducers to the parts are hand-held devices, immersion tanks, water-bubbler systems, or water-squirter systems. Any of these systems can be automated...