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elevated temperature applications

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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
... Abstract A section of clear polymeric tubing failed while in service. The failed sample had been used in a chemical transport application. The tubing had also been exposed to periods of elevated temperature as part of the operation. The tubing was specified to be a polyvinyl chloride (PVC...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
... is a mechanism-specific activation energy for creep. The activation energy may take a value of 0 depending on the creep mechanism. Subsurface microstructural evolution may occur as a function of exposure to elevated temperature, application of mechanical load, or a combination of the two. While subsurface...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... in high-temperature applications. The complex effects of creep-fatigue interaction are also discussed, although more detail on this is described in the article “Thermomechanical Fatigue: Mechanisms and Practical Life Analysis” in this Volume. Life assessment is also covered in the article “Elevated...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006807
EISBN: 978-1-62708-329-4
... Abstract This article provides some new developments in elevated-temperature and life assessments. It is aimed at providing an overview of the damage mechanisms of concern, with a focus on creep, and the methodologies for design and in-service assessment of components operating at elevated...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
... 650 1200 0.56 T M Refractory metals and alloys 980–1540 1800–2800 0.4–0.45 T M Typical elevated temperatures in engineering applications Table 2 Typical elevated temperatures in engineering applications Application Typical materials Typical temperatures, K Homologous...
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
... examination of a longitudinal specimen cut through the fracture-origin area revealed several oxide-filled cracks (characteristic thermal fatigue cracks) below the fracture surface ( Fig. 1a ). In high-temperature alloys, surface oxidation at elevated temperatures can deplete alloying elements (notably...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090442
EISBN: 978-1-62708-218-1
... properties of the sleeves. The cause of the degradation was not evident, but the likely source appears to be the molding operation and exposure to elevated temperature for an extended period of time. Automotive components Cracking (fracturing) Glass fiber reinforced composites Injection molding...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001559
EISBN: 978-1-62708-229-7
... of environment, elevated temperatures, and tensile stresses on unsensitized stainless steels are complex. The critical concentration of chloride ions necessary for SCC can vary from thousands of ppm at ambient temperatures to less than 1 ppm at 500°F. Chloride SCC is not normally considered a problem below 200°F...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006909
EISBN: 978-1-62708-395-9
... a good understanding of the accumulative effects of service and environmental conditions on degradation and failure mechanisms. There are several ways to accelerate material degradation, including exposure to elevated temperature, pressure, or humidity; increasing stresses and strain levels (i.e...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
..., and temper embrittlement reduce the life expectancy of a component. Steel-Based Alloys Steel-based alloys, such as carbon steels, low-alloy steels, and stainless steels, are used at elevated-temperature applications for tubing and piping. The steel-based alloys perform well if operated within...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006871
EISBN: 978-1-62708-395-9
... factors. Outdoor degradation factors affect some materials more than others because of their chemical composition. Weather factors act synergistically on polymer degradation. They influence each other and can amplify their destructive effects. For example, elevated temperatures will increase the rate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001901
EISBN: 978-1-62708-218-1
... failure of the part. POM should not be selected for automotive applications where elevated temperatures and acidic environments can exist. If exposure to acid is suspected, sodium bicarbonate should be applied to neutralize the surrounding environment, followed by copious quantities of water, and repeated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047010
EISBN: 978-1-62708-234-1
... Abstract When bulging occurred in mortar tubes made of British I steel during elevated-temperature test firing, a test program was formulated to evaluate the high-temperature properties (at 540 to 650 deg C, or 1000 to 1200 deg F) of the British I steel and of several alternative alloys...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001852
EISBN: 978-1-62708-241-9
... and elevated temperature have not received much attention even though such properties should be known for the design and application of electroformed nickel parts. Monotonic and cyclic testing, metallographic testing, and finite element analysis of an electroformed pure nickel mould under cyclic thermal...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001821
EISBN: 978-1-62708-241-9
... Abstract A fire in a storage yard engulfed several propane delivery trucks, causing one of them to explode. A series of elevated-temperature stress-rupture tears developed along the top of the truck-mounted tank as it was heated by the fire. Unstable fracture then occurred suddenly along...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001827
EISBN: 978-1-62708-241-9
... Abstract Gas turbines and other types of combustion turbomachinery are susceptible to hot corrosion at elevated temperatures. Two such cases resulting in the failure of a gas turbine component were investigated to learn more about the hot corrosion process and the underlying failure mechanisms...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047998
EISBN: 978-1-62708-225-9
... in the inner-ring raceway which had been softened by the elevated temperatures reached during the failure. Broken retainers and worn and bent out of shape seals were found. Penetration of gritty particles, water and other corrosive agents and leakage of lubricant out of the bearing permitted by the worn seals...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
... of the fasteners at elevated temperatures and concludes with a discussion on fastener failures in composites. atmospheric corrosion blind fasteners composites fastener failures fatigue fracture fretting hydrogen embrittlement liquid-immersion corrosion liquid-metal embrittlement mechanical fasteners...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006921
EISBN: 978-1-62708-395-9
... and often at temperatures below room temperature. Dimensional stability under stress is essential in many applications, so creep can be a significant problem. Creep will ultimately lead to rupture, either by ductile or brittle failure. Brittle creep failure occurs when a crack initiates at a localized...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... environmental effects, manufacturing discrepancies, improper use, or incorrect installation. Next, it describes fastener failure origins and fretting. Types of corrosion in threaded fasteners and their preventive measures are then covered. The performance of fasteners at elevated temperatures is addressed...