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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001605
EISBN: 978-1-62708-217-4
... at the tips of the cracks were evaluated using electron micrograph stereo image pairs to characterize local fracture toughness. To complete the failure analysis, nondestructive evaluation, metallographic examination, and chemical investigations were carried out. No secondary cracks could be found. Most...
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Published: 01 June 2019
Fig. 6 Brittle cleavage surface of fracture toughness specimen. 500 × More
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Published: 01 June 2019
Fig. 1 Longitudinal and transverse toughness of the 1996 RMS Titanic plate compared with that of modern steel plate. Reproduced with permission of the Iron & Steelmaker. 13 More
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Published: 01 June 2019
Fig. 3 The relationship between hardness and toughness of 17-4 PH is almost linear. More
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Published: 01 June 2019
Fig. 6 Influence of carbon content on dynamic fracture toughness at different temperature More
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Published: 01 June 2019
Fig. 5 Dynamic fracture toughness date plotted versus temperature for banded and non-banded cores. More
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Published: 01 June 2019
Fig. 5 Notch impact toughness as function of impact temperature. More
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Published: 01 December 1992
Fig. 2 Fracture morphology of fracture toughness specimen (fusion line). More
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Published: 01 December 2019
Fig. 11 Charpy impact toughness versus temperature plot of the samples taken from heel and edge regions of the plate More
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Published: 01 December 2019
Fig. 1 Comparison of impact toughness at typical working hardness (source: Crucible Service Centers) More
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Published: 01 December 2019
Fig. 6 The V-notched impact toughness test specimens More
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Published: 01 December 1993
Fig. 8 Fracture toughness versus yield strength More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001815
EISBN: 978-1-62708-241-9
... macroscopically, by SEM examination ( Fig. 8 ), and metallographically. A manufacturer reported an unsatisfactory failure rate of C11000 alloy tough pitch copper feedthrough pins. Pin failure was occurring with less than one year of service in units from a specific production period. The pins were purchased...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003513
EISBN: 978-1-62708-180-1
... (i.e., toughness). The second edition of the BSI PD 6493 ( Ref 6 ) presents failure assessments in the form of FADs using CTOD to characterize both crack-driving force and fracture toughness. The British Standards Institution has issued an updated and expanded version of PD 6493 as BS 7910 ( Ref 7...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001135
EISBN: 978-1-62708-219-8
... used in structural applications. Testing showed an increase in hardness and weight percent carbon and manganese in the banded region. Further testing revealed that the area containing the segregation and coarse grain structure had a lower than expected toughness and a transition temperature 90 deg F...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001111
EISBN: 978-1-62708-214-3
...Results of Compact tension testing Table 1 Results of Compact tension testing Temperature Fracture toughness (average) °C °F MPa m ksi in. 14 58 60.3 54.9 24 75 61.8 56.2 45 113 64.4 58.6 Predicted life in a 760 mm (30 in.) wide flange...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001128
EISBN: 978-1-62708-214-3
... morphology of fracture toughness specimen (fusion line). Fig. 3 Fracture morphology of creep crack growth composite specimen (fusion line). Abstract Creep crack growth and fracture toughness tests were performed using test material machined from a seam welded ASTM A-155-66 class 1 (2.25Cr...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
... Abstract In this study, the failure modes of cartwheel and mechanical properties of materials have been analyzed. The results show that rim cracking is always initiated from stringer-type alumina cluster and driven by a combination effect of mechanical and thermal load. The strength, toughness...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001053
EISBN: 978-1-62708-214-3
... origin was a small crack at a welding arc strike associated with the toe of a nozzle weld. A fracture mechanics calculation indicated that this imperfection, although small, initiated fracture because of the local geometry and stress conditions and the low toughness of the steel. It was recommended...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001780
EISBN: 978-1-62708-241-9
... 51.5 Fracture toughness data, Ref. [<xref rid="c9001780-ref23" ref-type="bibr">23</xref>] Table 6 Fracture toughness data, Ref. [ 23 ] Added element content (wt.%) Tempering temperature ( o C) K IC (ksi-√inch) (multiple samples) 0 100 91, 83 200 129, 126 400 140...