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visible-emission assessment

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Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006016
EISBN: 978-1-62708-172-6
..., and chemical contaminants. When inspecting concrete prior to coating installation, three areas of concern exist: surface roughness, moisture content in concrete, and acidity/alkalinity of the surface. The article provides information on the industry standards for assessing surface cleanliness. It...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002438
EISBN: 978-1-62708-194-8
... shows how an EIA study structures an approach to study the impact of emissions in such a way that major potential problems are identified. Fig. 1 Schematic showing an environmental impact assessment (EIA) study of emissions data. Source: Ref 5 Quality function deployment (QFD) is a...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001300
EISBN: 978-1-62708-170-2
... coatings and substrates. However, back-scattered electron emission is highly directional, and strong topographic contrast is visible for rough surfaces, depending on the position of the detector. Secondary electrons leave from the near-surface region of the sample when energies are less than...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005759
EISBN: 978-1-62708-171-9
.... Emission of sound (acoustic) energy and its control are adequately covered elsewhere in this article. Electromagnetic radiation associated with thermal spray processes is typically divided into two classes. Such radiation can occur in the visible (or near-visible) range and also as unwanted electromagnetic...
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
... visual inspection, and non-invasive inspection. Inspection execution, risk-based inspection, competence assurance of inspection personnel, inspection coverage, inspection periodicity, inspection anomaly criteria, assessment of fitness, and reporting requirements, are also discussed. The article addresses...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006072
EISBN: 978-1-62708-172-6
... bridge zones and areas, with illustrations. The article concludes with a discussion on the common methods of coating systems applications on bridge structures and key elements in coating condition assessment. bridges coating concrete bridges corrosion steel surface preparation THIS ARTICLE...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003445
EISBN: 978-1-62708-195-5
... Abstract This article describes the role of the full-scale testing in assessing composite structural systems of aircraft and qualifying them for in-service use. The typical full-scale tests include static, durability, and damage tolerance. The article discusses parameters to consider when...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003330
EISBN: 978-1-62708-176-4
... fracture modes, namely, crack opening mode, shearing mode, and tearing mode. It presents an overview of fatigue testing and fatigue damage mechanisms of composite materials and reviews the types of mechanical measurements that can be made during the course of testing to assess fatigue damage. The article...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001476
EISBN: 978-1-62708-173-3
... Fair Poor Good Good Excellent Field work Excellent Poor Fair Excellent Poor Equipment maintenance Low Low Medium Medium Medium Smoke/fume emission High Low Medium High Very low Heat input control Excellent Poor Good Good Satisfactory Arc visibility and filler...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006030
EISBN: 978-1-62708-172-6
... hazards soil sampling visible-emission assessment water sampling THE FIRST TWO-THIRDS of this article deals with occupational health hazards related to industrial protective coating application and removal, while the last one-third covers hazards to the environment. Workers engaged in...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001398
EISBN: 978-1-62708-173-3
... absorbed by the target, in part reflected by the target, and the balance causes an instantaneous emission of highly energized atomic and subatomic particles from the target's uppermost surface layer. The ratio of these three parts is a function of laser wavelength and of surface emissivity of the target...
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
... temperature can be measured with a near-infrared sensor, which can help assess weld quality. Spatter generated from the laser weld process also can be monitored for process consistency and stability with a near-infrared sensor. Grouping the various radiative emissions from the keyhole and workpiece during...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004100
EISBN: 978-1-62708-184-9
... corrosion in underground environments relies on a variety of electrochemical inspection and monitoring techniques for determining the condition of structures in or on the ground and, in many cases, unavailable for visual inspection. External corrosion direct assessment (ECDA) is a structured process...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001473
EISBN: 978-1-62708-173-3
... thickness across the weld. The sensitivity of the radiograph is assessed using image quality indicators (IQIs), which can either be fine wires placed across the weld or plaques with small drilled holes placed adjacent to the weld. The dimension of the smallest visible hole or wire in the radiograph is a...
Book Chapter

By Barry Law
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006060
EISBN: 978-1-62708-172-6
... and regulatory environments, and the importance of performance during the duty cycle. energy consumption environmental safety green coatings industrial paints recycling volatile organic compound emission GREEN COATINGS have become an important part of the world's industry and economy...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003755
EISBN: 978-1-62708-177-1
... electrons (primary fluorescence) or by characteristic x-rays or bremsstrahlung generated in the sample (secondary fluorescence). Electron bombardment may lead, in some samples, to the emission of long-wave radiation (in the ultraviolet and visible region of the spectrum) by a process known as...
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 Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003653
EISBN: 978-1-62708-182-5
... Integrated on-line monitor The most promising newer techniques are detailed in subsequent articles in this Handbook. In general, these techniques fall into such categories as electrochemical methods, electromagnetic or sound wave methods, and fiber-optic technology, along with visible, ultraviolet or...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002363
EISBN: 978-1-62708-193-1
... Testing.” Nonetheless, this section briefly summarizes the key methods for detecting and monitoring fatigue cracks in laboratory specimen testing as reference information prior to discussions of methods suitable for field or service life assessment. acoustic emission technique atomic force...
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
... industry; nondestructive testing (NDT), commonly used in the aerospace and petrochemical industry; and nondestructive inspection (NDI), commonly used within the military; is as the name implies test and assessment technologies designed to detect and characterize components without damaging or compromising...