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weldment integrity

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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
... imperfections may be tolerable and how the other may be root-cause defects in service failures. The article explains the effects of joint design on weldment integrity. It outlines the origins of failure associated with the inherent discontinuity of welds and the imperfections that might be introduced from arc...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006108
EISBN: 978-1-62708-175-7
... types of reduced iron powders. The cleanliness of these materials does not play a predominant role in weldment integrity as long as it is held within acceptable limits. Nevertheless, acid insolubles, oxides, and silicates subtly influence the service and fatigue performance over a period of time...
Image
Published: 01 January 1997
Fig. 12 Cap-to-pipe weldment. Low-carbon steel welded to medium-carbon steel; low-carbon steel filler metal (EL12). Source: Ref 15 Joint type Joggled lap Weld type, original design Square-groove, with backing ring Weld type, improved design Modified single-V-groove More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.9781627081757
EISBN: 978-1-62708-175-7
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
... Abstract Corrosion of carbon steel weldments can be due to metallurgical effects, such as preferential corrosion of the heat-affected zone (HAZ) or weld metal, or it can be associated with geometrical aspects, such as stress concentration at the weld toe, or creation of crevices due to joint...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001474
EISBN: 978-1-62708-173-3
... weldments represent the type of weld and weld joint that are to be used in production. Groove welds in butt joints in plate and pipe are shown in Fig. 1 and 2 , respectively. Two examples of fillet welds in T-joints are shown in Fig. 3 . Fillet welds can also be deposited on lap, corner, or edge joints...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001333
EISBN: 978-1-62708-173-3
.... It describes the effects of material property and welding condition on the temperature distribution of weldments. The thermal properties of selected engineering materials are provided in a table. fusion welding heat flow heat flow modeling metallurgical phase transformation thermal properties...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001384
EISBN: 978-1-62708-173-3
...) is a quasi-solid-state process that produces a weld by introducing high-frequency vibration to the weldment as it is held under moderately high clamping forces. The weld is produced without significant melting of the base materials. In some respects, ultrasonic welding is an infant process that still...
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
... on the temperature distribution of weldments. distortion fusion welding heat flow inappropriate cooling microstructures plastic strains rapid solidification residual stress thermophysical properties weldments DURING FUSION WELDING, the thermal cycles produced by the moving heat source cause...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003622
EISBN: 978-1-62708-182-5
.... The effects of gas-tungsten arc weld shielding gas composition and heat-tint oxides on corrosion resistance are also discussed. The article explains microbiological corrosion of butt welds in water tanks with the examples. In addition, it provides information on corrosion of ferritic stainless steel weldments...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009020
EISBN: 978-1-62708-187-0
... CASTINGS possess many inherent advantages that have long been accepted by the design engineer and metal parts user. In terms of component design, casting offers a great amount of flexibility. The casting process permits the formation of streamlined, intricate, integral parts of strength and rigidity...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001371
EISBN: 978-1-62708-173-3
... Typical thermal cycle of an electroslag weld relative to that of an arc welded weld Fig. 2 Macrograph showing fusion zone and heat-affected zone in an electroslag weldment A heat balance diagram of a typical electroslag weld ( Fig. 3 ) illustrates that approximately 60% of the heat...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003325
EISBN: 978-1-62708-176-4
... (CTOD). Particular regions of the HAZ are the most likely to show low toughness (the local brittle zones, or LBZs), so there is also a requirement that the crack sample the required portion of that kind of microstructure. <italic>Weld Procedure Qualification</italic> Weldment properties...
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
... the temperature in the HAZ does not reach the melting temperature of the crystals of the metal, certain low-melting compounds at the grain boundaries may melt during welding. This region may exist in some metals and affect the structural integrity, such as in welding many aluminum and magnesium alloys. It may...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005607
EISBN: 978-1-62708-174-0
... by using a dual-head system in which the ultrasonic energy is introduced from both sides of the weldment. Production applications include wire to wire and wire to terminals for wire harnesses for appliance, automotive, and the cable industry; buss bars; circuit breakers; contacts; ignition modules...
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: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005599
EISBN: 978-1-62708-174-0
... evolution microstructure modeling multistage thermal processing non-isothermal transformation particle coarsening particle dissolution particle size distribution precipitation model recrystallization single-parameter models welded aluminum components welding weldments yield strength model...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005591
EISBN: 978-1-62708-174-0
... ( Fig. 2 ). Fig. 1 Typical thermal cycle of an electroslag weld bath relative to that of an arc welding pool Fig. 2 Macrograph showing fusion zone and heat-affected zone (HAZ) in an electroslag weldment A heat balance diagram of a typical electroslag weld ( Fig. 3 ) illustrates...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001403
EISBN: 978-1-62708-173-3
... material selection piping pressure vessels railroad systems sheet metal shipbuilding and offshore structures ships surface finishing weld thermal cycles weldments THE SELECTION of materials for welded construction applications involves a number of considerations, including design codes...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002402
EISBN: 978-1-62708-193-1
... with information on fatigue crack growth and fatigue behavior of weldments. carbon steel Charpy V-notch test corrosion resistance Cr-Mo steels fatigue fatigue crack growth fracture mechanics fracture resistance heat-resistant ferritic steels low-alloy steels low-cycle fatigue metallurgy toughness...