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Book Chapter

By W. Zhang
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005579
EISBN: 978-1-62708-174-0
... Abstract Fluid flow is important because it affects weld shape and is related to the formation of a variety of weld defects in gas tungsten arc (GTA) welds. This article describes the surface-tension-driven fluid flow model and its experimental observations. The effects of mass transport on arc...
Book Chapter

By C.R. Heiple, P. Burgardt
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001334
EISBN: 978-1-62708-173-3
... result in high-velocity fluid motion. Fluid flow velocities exceeding 1 m/s (3.3 ft/s) have been observed in gas tungsten arc (GTA) welds under ordinary welding conditions, and higher velocities have been measured in submerged arc welds. Fluid flow is important because it affects weld shape...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001482
EISBN: 978-1-62708-173-3
... strain history observed in the heat-affected zone of fusion welded materials. fluid-flow calculation free surface deformation fusion welded materials fusion welding heat affect zone liquid-vapor state solid-liquid state solid-solid state validation vapor-plasma state FUSION WELDING...
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Published: 31 October 2011
Fig. 2 Schematic showing surface fluid flow (top) and subsurface fluid flow (bottom) in the weld pool. (a) Negative surface tension temperature coefficient (pure material). (b) Positive surface tension temperature coefficient (surface-active elements present) More
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Published: 01 January 1993
Fig. 2 Schematic showing surface fluid flow (top) and subsurface fluid flow (bottom) in the weld pool. (a) Negative surface tension temperature coefficient (pure material). (b) Positive surface tension temperature coefficient (surface-active elements present) More
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Published: 01 August 2013
Fig. 51 Schematic illustration of a Pitot tube used to measure fluid flow More
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Published: 01 December 2008
Fig. 7 Schematic illustrating fluid flow around right-angle and curved bends in a gating system. (a) Turbulence resulting from a sharp corner. (b) Metal damage resulting from a sharp corner. (c) Streamlined corner that minimizes turbulence and metal damage More
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Published: 01 December 2008
Fig. 7 Simulated fluid flow in a steel continuous casting tundish with (a) a conventional baffle configuration and (b) a double weir and dam configuration. Source: Ref 26 More
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Published: 30 September 2015
Fig. 4 Fluid flow pattern at the tip of a confined nozzle during atomization More
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Published: 01 December 2008
Fig. 5 Simulated fluid flow at 50 s after cooling and macrosegregation in an Fe-0.25C specimen More
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Published: 01 December 2008
Fig. 7 Simulated fluid flow at 400 s after cooling in a horizontally solidified Al-4.4Cu casting More
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Published: 01 December 2004
Fig. 58 Fluid-flow controlled microstructures in peritectic alloys. Solidification direction is upward. (a) Discrete bands of the two phases. (b) Partial bands or islands of one phase in the matrix of the other phase. (c) Single primary to peritectic phase transition. (d) Simultaneous growth More
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Published: 09 June 2014
Fig. 22 Instantaneous velocity of fluid flow as a function of time and time-averaged velocity More
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Published: 31 October 2011
Fig. 6 Schematic showing typical fluid flow generated when butt welding two heats of material with different penetration characteristics. Source: Ref 9 More
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Published: 31 October 2011
Fig. 1 (a) Schematic of fluid flow that encourages humping. (b) Example of a humped laser bead. (c) Velocity ratio calculated as a function of keyhole diameter, weld speed of 1 m/s (3.3 ft/s), and 40 µm thick stainless steel foil. Source: Ref 23 More
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Published: 01 November 2010
Fig. 9 Phase-field simulation of dendritic growth in the presence of fluid flow. Source: Ref 99 More
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Published: 01 January 1993
Fig. 6 Schematic showing typical fluid flow generated when butt welding two heats of material with different penetration characteristics. Source: Ref 8 More
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Published: 15 December 2019
Fig. 2 Schematic representation of the fluid flow paths in an SRS suppressor with the yellow lines representing the eluent flow path and the black lines representing the separate and isolated regenerant flow path. The membranes are cation-exchange membranes in anion analysis and anion-exchange More
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Published: 01 December 2009
Fig. 16 Typical boundary conditions in viscous heat-conducting fluid flow. Source: Ref 1 with permission More
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Published: 09 June 2014
Fig. 13 Shear stress in a fluid flowing between two plates. More