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solidification

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Published: 01 June 2019
Fig. 10 Closer view of the solidification crack fracture surface. Note the Widmanstätten structure. (24×) More
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Published: 01 January 2002
Fig. 32 Redesign of castings to provide progressive solidification through the use of tapered walls. (a) Elbow design. (b) Valve fitting design. Source: Ref 31 More
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Published: 30 August 2021
Fig. 12 Redesign of castings to provide progressive solidification through the use of tapered walls. (a) Elbow design. (b) Valve fitting design. Source: Ref 15 More
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Published: 30 August 2021
Fig. 6 Effect of weld geometry on solidification cracking susceptibility. Reprinted from Ref 10 with permission from The Lincoln Electric Company More
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Published: 30 August 2021
Fig. 1 Valve-spring failure due to residual shrinkage during solidification. (a) Macrograph showing fracture, as indicated by arrow. (b) Fracture surface; pipe is indicated by arrow. Source: Ref 4 More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0089551
EISBN: 978-1-62708-218-1
... Abstract A sand-cast medium-carbon steel heavy-duty axle housing, which had been quenched and tempered to about 30 HRC, fractured after almost 5000 h of service. Investigation (0.4x magnification) revealed that the fracture had been initiated by a hot tear that formed during solidification...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001304
EISBN: 978-1-62708-215-0
... bellows (Inconel 600), and bellows intake flange (Corten). Individual segments of the failed subassemblies were examined using various methods. The analysis indicated that the weld joint in the diffuser intake flange (type 310 stainless steel to Corten steel) contained diffusion-zone solidification cracks...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001199
EISBN: 978-1-62708-235-8
... filling and solidification. However, both Schenider 6 and Smith 7 found no relation between the gating design and the occurrence of metal waves. The effect of machine operating parameters on baking have not been investigated in any great detail. Carrol 8 has recommended using as low...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0048804
EISBN: 978-1-62708-230-3
... surface were found to exhibit chevron marks typical of fatigue or raised points or tears pointing in the direction of the probable origin of failure. The characteristics of the thinwall cast iron structures like the variation in composition due to pouring from multiple ladles, variation in solidification...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0090974
EISBN: 978-1-62708-235-8
...-and-tempered microstructure contained solidification shrinkage, inherently poor ductility, and type II Mn-S inclusions that are known to reduce ductility. The macro and microscale fracture features confirmed that the casting was likely in low-temperature service at the time of failure. The composition...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047297
EISBN: 978-1-62708-235-8
... ferrite. This anomalous structure is caused by shortcomings in the foundry practice of chemical composition, solidification, and inoculation control. Judging from the microstructure, the strength of the material was lower than desired for class 30 gray iron, and the suspected heat treatment further...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001217
EISBN: 978-1-62708-235-8
... coarser network of rod-shaped and plate-shaped precipitates was found, that probably corresponded to the primary grain boundaries, or to the grain boundaries or twin planes of the austenite formed during solidification of the melt. These particles could have been aluminum nitride judging by their shape...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001718
EISBN: 978-1-62708-220-4
... or inadequate head. Corrosion pitting, crevice corrosion, and solidification cracks (casting defect) also contributed to the failure. Cavitation corrosion Hydrochloric acid Pump impellers Grade 702 UNS R60702 Crevice corrosion Casting-related failures Pitting corrosion Remnants of two...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... specific to the metal group and progress from melting to solidification, casting processing, and finally how the removal of the mold material can affect performance. aluminum casting defects castings copper ductile iron failure analysis gray iron melting solidification steel Introduction...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001641
EISBN: 978-1-62708-235-8
..., because the solubility of any dissolved gases—often hydrogen—decreases as the liquid cools, during solidification, and as the solid cools. The decrease in solubility produces conditions favorable for gas bubbles to precipitate. Gas porosity is generally quite spherical, as shown in Fig. 1 . “Shrink...
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Published: 01 June 2019
Fig. 4 Higher magnification view of Fig. 18 showing the two different solidification structures. Etched with nital. 230x More
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Published: 01 January 2002
Fig. 19 Higher magnification view of Fig. 18 showing the two different solidification structures. Etched with nital. 230× More
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Published: 30 August 2021
Fig. 7 Higher-magnification view of Fig. 6 showing the two different solidification structures. Etched with nital. Original magnification: 230× More
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Published: 01 June 2019
Fig. 4 A spherical nonmetallic inclusion in apparently a mild steel particle in the 1979 deposit. Spherical inclusions like this are found in a particle after solidification from liquid. More
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Published: 01 December 1993
Fig. 7 Fracture surface in type 310 stainless steel flange, showing separation along columnar dendrite boundaries typical of fusion-zone solidification cracks. More