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Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005634
EISBN: 978-1-62708-174-0
... electrode-sheet interface fusion welding numerical modeling resistance spot welding sheet-electrode geometry sheet-sheet interaface THE RESISTANCE SPOT WELDING PROCESS involves heating two or more metallic sheets under high-amperage current for a short duration through a pair of copper electrodes...
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
... transformations in fusion welding, covering particle dissolution, growth, and coarsening of precipitates in the heat-affected zone. The article discusses the versatility of the internal state variable approach in modeling of nonisothermal transformations for various materials and processes. It describes...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005592
EISBN: 978-1-62708-174-0
... Abstract Fusion welding induces residual stresses and distortion, which may result in loss of dimensional control, costly rework, and production delays. In thermal analysis, conductive heat transfer is considered through the use of thermal transport, heat-input, and material models that provide...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005573
EISBN: 978-1-62708-174-0
... equation under conditions applicable to fusion welding are provided. The article also provides an overview of the factors affecting heat flow in a real welding situation using the analytical modeling approach because this makes it possible to derive relatively simple equations that provide the required...
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
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005636
EISBN: 978-1-62708-174-0
... Abstract This article provides a comprehensive review and critical assessment of numerical modeling of heat and mass transfer in fusion welding. The different fusion welding processes are gas tungsten arc welding, gas metal arc welding, laser welding, electron beam welding, and laser-arc hybrid...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005604
EISBN: 978-1-62708-174-0
... Abstract This article focuses on the necessary basics for thermomechanical fusion welding simulations and provides an overview of the specific aspects to be considered for a simulation project. These aspects include the required material properties, experimental data needed for validation...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005643
EISBN: 978-1-62708-174-0
... Abstract This article is a compilation of tables summarizing the fusion welding process. Included in the article is a table that presents the various fusion welding and cutting processes and their applications. Information on the general characteristics of arc welding processes is tabulated...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005589
EISBN: 978-1-62708-174-0
... fusion-zone compositions and describes the effect of fusion welding parameters on dilution. It also provides typical examples of the microstructure and property control in dissimilar weld applications. carbon steel deposition dilution dissimilar metal welding fusion welding joining low-alloy...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
... Abstract This article discusses the principles of operation, equipment needed, applications, and advantages and disadvantages of various fusion welding processes, namely, oxyfuel gas welding, electron beam welding, stud welding, laser beam welding, percussion welding, high-frequency welding...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001332
EISBN: 978-1-62708-173-3
... Abstract Welding and joining processes are essential for the development of virtually every manufactured product. This article discusses the fundamentals of fusion welding processes, with an emphasis on the underlying scientific principles. It reviews the role of energy-source intensity...
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
... Abstract During fusion welding, the thermal cycles produced by the moving heat source cause physical state changes, metallurgical phase transformation, and transient thermal stress and metal movement. This article presents an analysis of heat flow in the fusion welding process. The primary...
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Published: 31 October 2011
Fig. 3 Spectrum of practical heat intensities used for fusion welding More
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Published: 01 January 1997
Fig. 13 Schematic representations of the fusion welding process More
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Published: 01 January 1993
Fig. 2 Spectrum of practical heat intensities used for fusion welding More
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Published: 31 October 2011
Fig. 1 Types of grain morphologies that can form in fusion welds More
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Published: 31 October 2011
Fig. 13 Grain structure in a fusion weld of alloy 2014 made with transverse arc oscillation. Source: Ref 8 More
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Published: 31 October 2011
Fig. 29 (a) Microstructure of fusion weld on a Ni-Cr-Mo-Gd alloy. (b) Pseudo-binary phase diagram for the γ-gadolinium system. (c) Comparison of the measured and calculated γ/Ni 5 Gd fraction eutectic from fusion welds made on alloys with various gadolinium concentrations. Source: Ref 44 More
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Published: 31 October 2011
Fig. 30 Example of primary solidification path calculations made for fusion welds on multicomponent superalloys that form the γ/NbC and γ/Laves eutectic-type constituents at the end of solidification. Source: Ref 46 More
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Published: 31 October 2011
Fig. 32 Multicomponent Scheil calculations for fusion welds made between a superaustenitic stainless steel alloy and a nickel-base filler metal showing (a) variation in liquid composition with fraction liquid, (b) variation in k Mo with fraction solid, and (c) variation in C o , C e More