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physical aging

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001593
EISBN: 978-1-62708-234-1
... indicating low cycle fatigue associated with cyclic temperature changes from normal service. The design of the part and the material selection were significant contributing factors because of stresses induced during molding, physical aging of the amorphous polysulfone resin, and the substantial differential...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006817
EISBN: 978-1-62708-329-4
... a specified interval (age limit), regardless of its condition at the time, to a level that provides a tolerable probability of survival to the end of another specified interval Secondary functions Functions that a physical asset or system has to fulfill apart from its primary function(s), such as those...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003504
EISBN: 978-1-62708-180-1
... that restores the capability of an item at or before a specified interval (age limit), regardless of its condition at the time, to a level that provides a tolerable probability of survival to the end of another specified interval Secondary functions Functions that a physical asset or system has to fulfill...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001096
EISBN: 978-1-62708-214-3
.... Microstructural examination indicated brittle fracture caused by strain aging. Replacement of all studs on the man hole cover and examination of the boiler steel in other places were recommended. Steam engines Strain aging EN2 Brittle fracture Background Visual Examination of General Physical...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
... variation in their physical, mechanical, chemical resistance, and aging properties, the use of the wrong resin can yield detrimental results in many applications. Fourier transform infrared spectroscopy is well suited for the identification of polymers having different molecular structures...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001100
EISBN: 978-1-62708-214-3
... a transgranular mode with cleavage and ductile, dimpled shear. Hardness values as high as 35 HRC were measured in the bend area. The as-galvanized bolts fractured in a brittle manner. Failure was attributed to improper bending of the bolts, which provided a severely cold-worked bend area susceptible to strain-age...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001753
EISBN: 978-1-62708-241-9
... J.E. (ed.): Chapter 8: properties of commercial casting alloys . In: Aluminum: Properties and Physical Metallurgy , pp. 338 , 347 . ASM , Metal Park, OH ( 1984 ) 4. Mehl R.F. , Bankard M.H. , Federico A.M. , Fortin P.E. : Microstructure of aluminum alloys...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
.../Intermetallics Selection of Metallurgical Samples Ceramic Materials<xref rid="a0006757-fn2" ref-type="fn">[2]</xref> Plastic Deformation Crazing Fatigue Thermal and Residual Stress Physical Aging Moisture-Related Degradation Photolytic Degradation Degradation from Organic Chemicals...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001685
EISBN: 978-1-62708-235-8
...Abstract Abstract The U-0.8wt%Ti alloy is often used in weapon applications where high strength and fairly good ductility are necessary. Components are immersion quenched in water from the gamma phase to produce a martensitic structure that is amenable to aging. Undesirable conditions occur...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001031
EISBN: 978-1-62708-214-3
... Intergranular fracture Background Visual Examination of General Physical Features Testing Procedure and Results Discussion Conclusion and Recommendations References References 1. Sanders J.H. and Chen P.S. , “Microstructure Evaluation of Undoped and Oxygen Doped NARloy-Z...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006832
EISBN: 978-1-62708-329-4
.... The topics covered are admissibility of expert opinions, how to evaluate data, factual evidence, mandatory and voluntary standards, physical evidence, medical records, scientific literature, design decisions evaluation, environment of use, user's contribution, reports of opposing experts, report of findings...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001813
EISBN: 978-1-62708-241-9
.... , Mayorga A. : Evaluation of Aging Equipment for Continued Service, Corrosion 2005, Paper 05558 . NACE International , Houston, USA ( 2005 ) 10.1016/j.tree.2005.04.002 Selected references Selected references • King R.T. , Failures of Pressure Vessels , Failure Analysis...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006827
EISBN: 978-1-62708-329-4
... for Board Level Pad Cratering under Over-Stress and Fatigue Loading ,” Ph.D. thesis, Hong Kong University of Science and Technology , 2017 14. Evans J.W. , A Guide to Lead-Free Solders: Physical Metallurgy and Reliability , Springer Science and Business Media , 2007 15. DeVore J.A...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001346
EISBN: 978-1-62708-215-0
... fluctuations as well as restriction to movement. Fatigue cracks initiated intergranularly from both the flue gas and steam sides. Enhanced general and grain boundary oxidation coupled with age hardening of the alloy led to the formation of incipient intergranular cracks that acted as sites for the initiation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... of a Bronze Worm Gear A very large diameter worm gear that had been in service in a dam for more than 60 years exhibited cracks and was removed. It was reported that the cast bronze gear was only rarely stressed during service, associated with infrequent opening and closing of gates. Due to the age...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... assessment of components. Fig. 1 Flow diagram showing the relationship between the design phase and the investigative tasks for in-service failure, structural aging, and fitness-for-service of structural components One alternative for avoiding failures used in the past was to overdesign...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001020
EISBN: 978-1-62708-214-3
.... It was recommended that the design be modified to avoid dissimilar metal combinations of high corrosion potential. Airplanes Steels Transition joints 7014 UNS A97014 Stress-corrosion cracking Background Visual Examination of General Physical Features Testing Procedure and Results Discussion...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
.... A very large-diameter worm gear that had been in service in a dam for more than 60 years exhibited cracks and was removed. It was reported that the cast bronze gear was only rarely stressed during service, associated with infrequent opening and closing of gates. Due to the age of the gear and the time...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
... parameters cause workpiece rejection, catastrophic cutting tool failure, and/or workpiece failure during machining. Metallurgical factors contributing to (in-process) workpiece failures: Physical metallurgy effects on workpiece failures during production machining Machined part (in-service) failures...