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Hot tears

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Published: 01 December 2008
Fig. 43 Redesign of a casting to eliminate hot tears. Mold restraint coupled with nonuniform freezing of the various sections of this aluminum alloy 356 casting resulted in hot tears. Moving the wall and increasing its thickness corrected the problem. Part dimensions in inches. Source: Ref 28 More
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Published: 01 January 1997
Fig. 5 Redesign of a casting to eliminate hot tears. Mold restraint coupled with nonuniform freezing of the various sections of this aluminum alloy 356 casting resulted in hot tears. Moving the wall and increasing its thickness corrected the problem. Part dimensions in inches. Source: Ref 33 More
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Published: 01 January 1987
Fig. 105 Two examples of hot tears in the HAZ of gas-metal arc welded HY-80 steel. Note the crack associated with the manganese sulfide inclusion (b). Both etched with 1% nital. (a) 370×. (b) 740×. Courtesy of C.F. Meitzner, Bethlehem Steel Corporation More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005223
EISBN: 978-1-62708-187-0
... designed for measuring the hot tearing tendency in alloys are discussed. The article also discusses the temperature dependence, criteria, and modeling of hot tearing. castability fluidity hot tearing modeling CASTABILITY of alloys is a measure of their ability to be cast to a given shape...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005238
EISBN: 978-1-62708-187-0
... Abstract This article summarizes some issues and approaches in performing computational analyses of mechanical behavior, distortion, and hot tearing during solidification. It presents the governing equations and describes the methods used to solve them. The article reviews the finite element...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005420
EISBN: 978-1-62708-196-2
... Abstract This article focuses on the concepts involved in heat-transfer modeling, thermomechanical modeling, and microsegregation modeling of hot tearing. It discusses the modeling of solidification defects, namely, inclusion entrapment, segregation, shrinkage cavities, gas porosity, mold-wall...
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Published: 01 December 2008
Fig. 13 Optical micrograph of a hot tear in a casting. Original magnification: 200× More
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Published: 01 December 2008
Fig. 4 Influence of alloy composition on hot tearing susceptibility in aluminum-copper alloys. Source: Ref 2 More
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Published: 01 December 2008
Fig. 16 Comparison of critical casting speeds, based on hot-tearing criterion ( Ref 46 ), and typical plant practice ( Ref 87 ) More
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Published: 01 January 2002
Fig. 61 SEM of hot tear in region A of Fig. 60 More
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Published: 01 January 2002
Fig. 62 SEM of hot tear in region B of Fig. 60 More
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Published: 01 November 2010
Fig. 29 Hot tearing indicator for a Mg-2Al alloy casting More
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Published: 01 November 2010
Fig. 30 Close-up views of hot tearing (cracks) in the bottom rods near the sprue. (a) Mg-2Al. (b) Mg-4Al. (c) Mg-8Al More
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Published: 01 November 2010
Fig. 31 Hot tearing indicator in the bottom rods near the sprue developed in simulation. (a) Mg-2Al. (b) Mg-4Al. (c) Mg-8Al More
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Published: 01 November 2010
Fig. 32 Comparison between hot tearing indicator (HTI) and crack susceptibility coefficient (CSC) for various aluminum contents in a magnesium alloy More
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Published: 01 November 2010
Fig. 33 Comparison between hot tearing indicator (HTI) and crack susceptibility coefficient (CSC) for various magnesium alloy compositions More
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Published: 30 August 2021
Fig. 40 Scanning electron microscopy of hot tear in region A of Fig. 39 More
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Published: 30 August 2021
Fig. 41 Scanning electron microscopy of hot tear in region B of Fig. 39 More
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Published: 01 December 2009
Fig. 2 Relating the location of hot-tear crack formation to results of a transient thermal simulation. (a) Measure crack location in casting. (b) Predict shell thickness history More
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Published: 01 December 2009
Fig. 10 Off-corner internal hot-tear crack in break-out shell from a 175 mm square bloom More