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fracture mechanics analysis

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046210
EISBN: 978-1-62708-235-8
...: Poor-quality material with low fracture and fatigue resistance Poor machining, which initiates cracks that propagate to failure by a fatigue mechanism in service Excessive stresses associated with abusive use or failure of other components in the system to operate according to design...
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Published: 01 January 2002
Fig. 10 Crack configurations considered in the fracture mechanics analysis of the turbine casing. Source: Ref 13 More
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Published: 15 January 2021
Fig. 14 Crack configurations considered in the fracture mechanics analysis of the turbine casing. Source: Ref 28 More
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Published: 15 May 2022
Fig. 32 Applicability and limitations of force-based fracture mechanics analysis for high loading rates (impact) More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... elastic fracture mechanics analysis, with some mention of elastic-plastic fracture mechanics analysis. The article describes the probabilistic aspects of fatigue and fracture. Information on crack-growth simulation of the material is also provided. crack-growth simulation elastic-plastic fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001148
EISBN: 978-1-62708-228-0
... of the pipe that did not fracture during the explosion and from piece 5-1 which contained the fracture origin site. Both pieces were found to have 0.30% carbon and 1.2% Mn with sulfur and phosphorus impurities acceptably low. Fracture mechanics analysis used in conjunction with fractographic results confirmed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001137
EISBN: 978-1-62708-228-0
... Abstract Following a fracture mechanics “fitness-for-purpose” analysis of petroleum industry cold service pressure vessels, using the British Standard PD 6493, it was realized that an analogous approach could be used for the failure analysis of a similar pressure vessel dome which had failed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003530
EISBN: 978-1-62708-180-1
... of fracture mechanics. The fracture mechanics approach is an important part of stress analysis at the tips of sharp cracks or discontinuities. The article reviews fracture mechanics concepts, including linear elastic fracture mechanics, elastic-plastic fracture mechanics, and subcritical fracture mechanics...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001790
EISBN: 978-1-62708-241-9
... of nonmetallic inclusions near the fracture initiation site. Fracture mechanics analysis indicated that, if stresses acting on the shaft were induced only by normal service loads, there was little likelihood that the inclusions served as failure initiation sites. Further examination of the bearing elements...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... and information, people interviews, laboratory investigations, stress analysis, and fracture mechanics analysis. The article concludes with information on the categories of failure and failure prevention. failure analysis failure prevention fracture mechanics analysis manufacturing-installation defects...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001126
EISBN: 978-1-62708-214-3
... was attributed to growth of the inclusions, coupled with high residual stresses. Fracture mechanics analysis showed that the residual stresses alone were high enough to cause fracture of the glass, with a flaw of the size observed. Facades Sheet glass Stress cracking Tempered glass Brittle fracture...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001081
EISBN: 978-1-62708-214-3
... under estimated, which led to low-cycle fatigue cracking earlier than expected. Fracture mechanics analysis of the disks was carried out to assess their damage tolerance and to predict safe inspection intervals. Fatigue life Fracture mechanics Gas turbine engines Jet planes Low-cycle fatigue...
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Published: 01 December 1992
Fig. 6 Different configurations of partial through-wall cracks considered for the fracture mechanics analysis. More
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Published: 15 May 2022
tip as well as the secondary cracks remain relatively sharp. Polypropylene is more suited for K -based fracture mechanics analysis. More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001056
EISBN: 978-1-62708-214-3
...” conditions using fracture mechanics and thermal fatigue simulation tests. Failure analysis indicated that cracking had been initiated by thermal fatigue. Data from the analysis were used in making the leak-before-break predictions. It was determined that the cracks could grow to two-thirds...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0090030
EISBN: 978-1-62708-217-4
... to address the anomalies, with the objective of enhancing rotor life management practices. The ongoing work involves the use of fracture mechanics and software (called DARWIN.) optimized for damage tolerant design and analysis of metallic structural components. Compressors Damage tolerance analysis...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001504
EISBN: 978-1-62708-217-4
... to illustrate: typical problems encountered, the most troublesome failure mechanisms, the role of material selection, and examples where fracture mechanics analyses provided insight into the failure. The failure analysis findings were statistically analyzed to provide a distribution of the failure mechanisms...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001841
EISBN: 978-1-62708-241-9
... stents: a fracture mechanics analysis . Biomaterials 27 , 1988 – 2000 ( 2006 ) 10.1016/j.biomaterials.2005.10.012 4. Timoshenko S. , Young D.H. , Weaver W. : Vibration Problems in Engineering , 4th edn. Wiley , NewYork ( 1974 ) 5. Handbook of Silicon Wafer Cleaning...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003546
EISBN: 978-1-62708-180-1
... stress analysis and fracture mechanics analyses of the casing. fracture mechanics residual life prediction stress analysis thermomechanical fatigue turbine casing THERMOMECHANICAL FATIGUE (TMF) refers to the process of fatigue damage under simultaneous changes in temperature and mechanical...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001114
EISBN: 978-1-62708-214-3
...—qualitative evidence that general yielding did not occur prior to failure. To obtain a more quantitative estimate of the stress at the time of failure, a simplistic fracture mechanics analysis was performed. From equations such as the one given below ( Ref 1 ), K Ic can be estimated: (Eq 1) K Ic...