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void documentation

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Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006445
EISBN: 978-1-62708-190-0
... and sintered PM parts: density variations, compaction and ejection cracks, microlaminations, poor degree of sintering, and voids from prior lubricant agglomerates. It describes the various methods applicable to green compacts: direct-current resistivity testing, radiographic techniques, computed...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003045
EISBN: 978-1-62708-200-6
... NDE techniques, ultrasonic NDE has proved to be one of the most successful. For homogeneous materials, ultrasonic techniques are well developed and reasonably simple; the main items of interest are inclusions, voids, and possible flow patterns and knit lines from injection molding. There is currently...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006457
EISBN: 978-1-62708-190-0
... structural assemblies. (a) Skin splices. (b) Stiffener runout. (c) Bonded doublers. (d) Shear clip Variables such as voids (lack of bond), inclusions, or variations in glue line thickness are present in adhesive-bonded joints and will affect joint strength. This article addresses the problem of how to...
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
... spatter. In addition, the spatter may eventually remove itself from the steel, creating a void in the coating system and a pathway for corrosion of the underlying steel. For these reasons, many specifications will require the contractor to remove weld spatter (using chisels or grinding wheels) prior to...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003058
EISBN: 978-1-62708-200-6
... extension of these single flaws or the linking of several smaller flaws. At high temperatures, the fracture process involves the formation and coalescence of cavities, frequently preceded by some nonlinear deformation ( Ref 18 ). Typically, flaws include internal or surface cracks, large voids, inclusions...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006463
EISBN: 978-1-62708-190-0
... cracks and voids in welds, fatigue cracks and corrosion, or delaminations and matrix cracks with a single inspection process? Current practice would require these items to be deconvolved into separate analysis methods, but the potential to combine these analysis methods has not been explored extensively...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006040
EISBN: 978-1-62708-172-6
... polyurethane or fluorourethane topcoats (one coat is typical for UV resistance). In addition, polysiloxane finish coats have also been used with some success. An excellent source of information relating to coating steel tanks is ANSI/AWWA D102, “Coating Steel Water Storage Tanks.” This document provides...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003027
EISBN: 978-1-62708-200-6
...). Any light scattered at greater than 2.5° is measured as haze. Haze results from the diffuse scattering from internal material inhomogeneities such as density differences, fillers, pigments, and voids. With the described setup, accuracies of 0.1 to 0.3% can be obtained. However, if haze is greater than...
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
... characteristics of interest (fatigue cracks, stress-corrosion cracks, creep, pitting, erosion, embrittlement, wear, planer cracks/voids, transverse/axial cracks, color variation, density, resonant frequency, etc.) The size and orientation of rejectable/reportable flaws The anticipated locations of flaws of...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001834
EISBN: 978-1-62708-181-8
... oblique light, and polarized light, if the specimen will respond to such illumination. Dark-field illumination is very useful and is highly suited to the examination of cracks and voids. Photography in dark field is more difficult, but not impossible if an automatic exposure device is available. Oblique...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006035
EISBN: 978-1-62708-172-6
... surfacer fills surface defects in the concrete surface, such as voids and bug holes, that are common in cast concrete. It also serves to smooth the surface and improve adhesion of the intermediate layer. The system is completed with a finish coat that cures to a glossy, high-density layer that resists...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006062
EISBN: 978-1-62708-172-6
... results are achieved in the program when people doing survey work use the same condition-assessment criteria routinely, which are written or documented in photos and other practical tools. Coating products and coating systems should be specified, with attention to proper matching of the coating system...
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
... with nine independent parameters characterizing its shape, orientation, and position. The position of the origin, the three major axes, and three Euler angles give complete, arbitrary control of the position and shape of the ellipsoid. The ellipsoid can be a void or an inclusion. Further, the sample...
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
..., whether in the region of the planar discontinuity or not, and there is no difference in absorption. Fig. 9 Effect of direction of radiation beam on the appearance of (a) planar discontinuities (such as cracks or cold shuts) and (b) globular voids. See text for discussion. When a section of the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003127
EISBN: 978-1-62708-199-3
... frequently takes the form of interdendritically distributed voids. These voids can be enlarged by hydrogen, and, because larger dendrites result from slower solidification, the size of such porosity also increases as solidification rate decreases. It is not fair to the various processes to establish inherent...
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
..., porosity, cracks, inclusions, fiber distribution, fiber alignment, curing state Good if automated Very good for delaminations, inclusions, voids, porosity Relatively slow; point-to-point test Poor; need for couplant Low if manual testing; high if automated X-radiography Inclusions, fiber alignment...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006466
EISBN: 978-1-62708-190-0
... applied to high-resolution, high-frequency ultrasonic inspection techniques that produce images of features beneath the surface of a sample. Because ultrasonic energy requires continuity of materials to propagate, internal defects such as voids, inclusions, delaminations, and cracks interfere with the...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006059
EISBN: 978-1-62708-172-6
... Table 1 in this article. This table purposefully does not address specific surface profile requirements because those details are product and project specific. This table does not attempt to list film thickness requirements because this is project specific or is covered by the documents referenced...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005660
EISBN: 978-1-62708-198-6
... about the impact of technology on daily lives is legitimate, and, as with anything else, any absence or void of information is readily filled with stories. For instance, quite popular stories about “gray-goo” ( Ref 50 ) and miniature robots ( Ref 51 ) and even “data” presented by novels about the “swarm...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003841
EISBN: 978-1-62708-183-2
... inhomogeneity as a function of position in the casting. This segregation can be moderated by the use of differing casting techniques. Regular-cast materials contain large shrinkage voids, whereas void-free materials have had the header (part of the block containing most of the primary shrinkage void) removed...