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discontinuity-containing weldment

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Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002367
EISBN: 978-1-62708-193-1
...-containing weldment and a discontinuity-free weldment. References 1. Munse W.H. , Wilbur T.W. , Tellalian M.L. , Nicoll K. , and Wilson K. , “Fatigue Characterization of Fabricated Ship Details for Design,” Ship Structure Committee, SSC-318 , 1983 2. Ang A.-H...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005588
EISBN: 978-1-62708-174-0
... Abstract The finished product, after fusion welding, may contain physical discontinuities due to excessively rapid solidification, adverse microstructures due to inappropriate cooling, or residual stress and distortion due to the existence of incompatible plastic strains. To analyze...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... Abstract This article briefly reviews the general causes of weldment failures, which may arise from rejection after inspection or failure to pass mechanical testing as well as loss of function in service. It focuses on the general discontinuities observed in welds, and shows how some...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002408
EISBN: 978-1-62708-193-1
... concentration), often contain microstructures that represent an unfavorable alteration of the parent metal microstructure, frequently contain planar or volumetric discontinuities, and typically contain high tensile residual stresses. Most of the data presented for welded details have been obtained from test...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001404
EISBN: 978-1-62708-173-3
... these materials by welding without introducing detrimental discontinuities?” The acceptability of these discontinuities depends on the application requirements for the particular weldment. The fabrication weldability of a steel may be adequate for a noncritical application. However, this same steel may...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001472
EISBN: 978-1-62708-173-3
... acceptable, harmless discontinuities in a structure that will not sacrifice weldment reliability. One of the major reasons for understanding the engineering meaning of weld discontinuities is to decrease the cost of welded structures by avoiding unnecessary repairs of harmless weld discontinuities ( Ref 2...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006468
EISBN: 978-1-62708-190-0
...-wave current, used in magnetization with prods and dry magnetic particles, provides the highest sensitivity for discontinuities that are wholly below the surface, such as those in castings and weldments. Magnetization employing surges of direct current can be used to increase the strength of magnetic...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005558
EISBN: 978-1-62708-174-0
.... arc welding butt joints edge preparation fillet welds groove angle groove welds root opening submerged arc welding weld joint A WELD JOINT serves to transfer the stresses between the joined members and throughout the welded assembly. The type of loading and service of the weldment...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001405
EISBN: 978-1-62708-173-3
... cracking and its mechanism as well as the control measures. It provides information on measurement of hydrogen in weld metal and presents a table that contain information on effect of welding processes and electrodes on hydrogen levels in welds. defects heat-affected zone hot cracks hydrogen...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003831
EISBN: 978-1-62708-183-2
... forms of corrosion observed in brazed and soldered joints, their causes, the role of proper brazing procedures in controlling corrosion, and the corrosion resistance of various brazing alloy systems. Corrosion of weldments is discussed in the articles “Corrosion of Carbon Steel Weldments,” “Corrosion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003232
EISBN: 978-1-62708-199-3
.... 8 ). Such local contacts do not always produce true circular fields, but are very convenient and practical in many applications; prod contacts often are used in magnetic-particle inspection of large castings and weldments. Fig. 8 Single and double prod contacts. Discontinuities are detected...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005628
EISBN: 978-1-62708-174-0
... for the Fatigue Testing of Spot Welded Joints,” International Standard, ISO/FDIS 14324, final draft, 2003 19. McMahon J.C. , Smith G.A. , and Lawrence F.V. , Fatigue Crack Initiation and Growth in Tensile-Shear Spot Weldments , STP 1058, McHenry H.I. and Potter J. M. , Ed...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003232
EISBN: 978-1-62708-199-3
... Abstract Magnetic-particle inspection is a nondestructive testing technique used to locate surface and subsurface discontinuities in ferromagnetic materials. Beginning with an overview of the applications, advantages, and limitations of magnetic-particle inspection, this article provides...
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
... it is only in this region that internal features of the testpiece are revealed. When a section of the testpiece contains a discontinuity that is essentially planar, such as a crack or cold shut, the planar discontinuity will be revealed only when the radiation is parallel or nearly parallel...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002384
EISBN: 978-1-62708-193-1
..., a significant quantity may be retained in the weldment at low temperatures. Alternatively, in the petrochemical industry, hydrogen can be absorbed by the containment vessel during service when the medium in the vessel contains diffuseable hydrogen. Sufficient hydrogen levels will cause cracking in the weld...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003785
EISBN: 978-1-62708-177-1
.... arc welding fusion welding longitudinal section metallography microstructure solid-state transformation structures transverse section solidification structures weld bead morphology welding defects welded joints weldments FUSION WELDING is the joining of two or more pieces of material...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001343
EISBN: 978-1-62708-173-3
... may be misleading on poorly prepared surfaces Magnetic particle inspection Wet or dry iron particles, or fluorescent; special power source; ultraviolet light for fluorescent dyes Surface and near-surface discontinuities: cracks, porosity, slag Indicates discontinuities not visible to the naked...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003621
EISBN: 978-1-62708-182-5
...–4.5Mo, 1–2.5Cu (a) The weld deposit must contain only the minimum of one of these elements. (b) The total of these elements shall not exceed 1.50%. (c) The total of these elements shall not exceed 1.75%. Source: Ref 9 Corrosion rates of galvanic couples of ASTM A53, grade B, base...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006447
EISBN: 978-1-62708-190-0
... inspection technique. Fig. 13 Crack revealed using magnetic-particle inspection and white light. Courtesy of A. Antonatos As mentioned previously, plain naked-eye VI has certain physical capabilities and limitations; discontinuities smaller than a specific order of magnitude cannot be seen...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.9781627081740
EISBN: 978-1-62708-174-0