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thermal analysis

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.9781627082327
EISBN: 978-1-62708-232-7
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0090439
EISBN: 978-1-62708-220-4
... not comply with the specified material and, as a result, was not as thermally stable as the reference material. Chemical composition Feedstock Molding resins Plasticizers Thermal analysis Tubing (nonmetal) Tubings Polyvinyl chloride (Other, general, or unspecified) processing-related failures...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
.... 7 Finite element model used in the design of a Yankee dryer. (a) Finite element analysis (FEA) model. (b) Deformed shape showing stress state resulting from thermal, pressure, and rotational loads. Source: Ref 11 Fig. 8 Finite element model showing analysis of corrosion jacking...
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
...Abstract Abstract A failure analysis was conducted on a flow-sensing device that had cracked while in service. The polysulfone sensor body cracked radially, adjacent to a molded-in steel insert. This article describes the investigative methods used to conduct the failure analysis...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0090436
EISBN: 978-1-62708-233-4
.... Contaminants Couplings Embrittlement Feedstock Molding resins Thermal analysis Glass-filled nylon 6/12 (Other, general, or unspecified) processing-related failures Brittle fracture Molded plastic couplings used in an industrial application exhibited abnormally brittle properties, as compared...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090445
EISBN: 978-1-62708-222-8
... identified, but a likely source appeared to be the use of improper regrind. Contaminants Electric appliances Embrittlement Housings Molding resins Protective covers Stress cracking Thermal analysis Acrylonitrile-butadiene-styrene Brittle fracture Numerous protective covers, used...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090433
EISBN: 978-1-62708-218-1
... properties, which produced a greater predisposition for stress relaxation. Additives Chemical composition Clips Injection moldings Molding resins Stress relaxation Thermal analysis Wire clips Nylon 6/6 (Other, general, or unspecified) processing-related failures A production lot...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... analysis of nonmetallics. Advances in chemical analysis methods for failure analysis are also covered. bulk analysis chemical analysis failure analysis microscale analysis thermal analysis CHEMICAL ANALYSIS is a critical part of any failure investigation. With the right planning and proper...
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
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001133
EISBN: 978-1-62708-214-3
... analysis indicated that a decarburized layer existed on all surfaces of the casting, which prevented bonding during the sintering thermal cycle. Bead-to-bead bonding within the coating appeared sufficient, and no decarburized layer was present on the bead surfaces. It was concluded that the decarburization...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001043
EISBN: 978-1-62708-214-3
... failure, whereas the opposite side exhibited a planar-type fracture. Sections were removed from the eroded area and from the opposite lip for microscopic studies and chemical analysis. The eroded edges exhibited river bed ditching, indicative of thermal fatigue. Microstructural analysis showed massive...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046972
EISBN: 978-1-62708-217-4
... than halfway from the leading edge to the trailing edge on the concave surface before ultimate failure occurred in dynamic tension. Analysis (including visual inspection, SEM, and 250x/500x micrographic examination) supported the conclusions that the blades failed due to thermal fatigue...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001325
EISBN: 978-1-62708-215-0
.... The failure was initially thought to be the result of thermal fatigue, and the internal surfaces exhibited the “elephant hide” pattern characteristic of thermal fatigue. However metallographic failure analysis found that this pattern was the result of corrosion rather than thermal fatigue. Corrosion caused...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048850
EISBN: 978-1-62708-229-7
... for locations before the stop valve. It was concluded using thermal stress analysis done using numerical methods and software identified as CREPLACYL that one or more severe thermal downshocks might cause the damage pattern that was found. The root cause of the failure was identified to be thermal fatigue...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001848
EISBN: 978-1-62708-241-9
... is thermal fatigue? Thermal fatigue of materials components . In: ASTM STP 612 , pp. 3 – 9 . ASTM , Philadelphia ( 1976 ) 10.1520/STP612-EB Selected References Selected References • Vander Voort G.F. , Failures of Tools and Dies , Failure Analysis and Prevention , Vol 11 , ASM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001146
EISBN: 978-1-62708-229-7
...Abstract Abstract A metallurgical failure analysis was performed on pieces of the cracked vent header pipe from the Edwin I. Hatch Unit 2 Nuclear power plant. The analysis consisted of optical microscopy, chemical analysis, mechanical Charpy impact testing, and fractography. It was found...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001595
EISBN: 978-1-62708-235-8
... of the metallurgical failure analyst. The empirical information supplied by hardenability analysis can provide additional processing and service insight to the investigator. The intent of this paper is to describe some applications of steel thermal response concepts in failure analysis, and several case studies...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001686
EISBN: 978-1-62708-220-4
.... , Lamping G. A. , and Jonas O. , “Boiler Tube Failure: Prevention, Correction, and Control,” EPRI Report 65-6467, EPRI, Palo Alto, CA , 1989 . 2. Becker W. T. , “ Thermal Fatigue Failure in a Vaporizer ,” Handbook of Case Histories in Failure Analysis , Vol. 2 , Ed. by Esaklul...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001717
EISBN: 978-1-62708-217-4
...), and was subjected to visual inspection/light optical microscopy, metallography, electron microscopy, energy dispersive spectroscopy, chemical analysis, and mechanical testing. It was observed that the vacuum cadmium coating adjacent to the fracture plane had worn off and corroded in service, thus allowing pitting...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001658
EISBN: 978-1-62708-229-7
...Abstract Abstract The intermediate pressure (IP) turbine of a thermal generating station is driven by steam from the boiler's reheater. On one particular IP turbine, a thick deposit was found on the insides of the rotor blade shrouds in two instances two years apart. The source of the deposits...