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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003229
EISBN: 978-1-62708-199-3
... Abstract Leak testing is used to determine the rate at which a liquid or gas penetrates from inside a component or assembly to the outside, or vice versa. This article discusses the type of leaks, namely real leaks, and virtual leaks. It describes the leak testing of fluid systems at pressure...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005341
EISBN: 978-1-62708-187-0
... Abstract The commonly used nondestructive testing of cast products include liquid penetrant inspection, radiographic inspection, fluoroscopic inspection and automated defect recognition, ultrasonic inspection, eddy current inspection, process-controlled resonant testing (PCRT), leak test...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005757
EISBN: 978-1-62708-171-9
.... Ensure that all relevant risks/hazards have allow exhaust systems to vent rooms in case been addressed and identi ed of gas leaks, etc. Risk mitigation can be accomplished by sev- eral different means. Employee awareness and Focus on real risks and not obscure the RA training play a key role...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001478
EISBN: 978-1-62708-173-3
... and remove oxidation during the heating cycle. The entrapped flux prevents the flow of the filler metal into that particular area, thus reducing joint strength. It can also cause a false leak in vacuum service or during a proof test. Noncontinuous Fillets Noncontinuous fillets are usually found...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004121
EISBN: 978-1-62708-184-9
... installations are about 13 to 15% of the Maintenance of Real Property and Minor Construction costs. About half of these corrosion-related costs could be attributed to structural, electrical, and mechanical components in buildings and the other half to utilities. Anecdotal evidence suggests that this percentage...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006454
EISBN: 978-1-62708-190-0
... parts and loose particles ( Ref 12 ) Detecting and monitoring leaks, cavitation, and flow ( Ref 12 , 13 ) Monitoring chemical reactions, including corrosion processes, liquid-solid transformations, and phase transformations ( Ref 14 ) When processes of impact, friction, flow, and so...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006062
EISBN: 978-1-62708-172-6
... boundaries in a real mill. Temperatures in zonal descriptions are process values; typically only parts of structures around the process reach this temperature, and spills and leaks cool rapidly. Wood Handling and Debarking Raw materials (trees, logs, or chips) are unloaded, stacked, and retrieved...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005900
EISBN: 978-1-62708-167-2
... be established on a real industrial scale. New melting and refining processes such as vacuum arc remelting (VAR), electron beam melting (EBM), plasma melting, electroslag remelting (ESR), and vacuum degassing of steel were developed in parallel. Vacuum degassing became part of the secondary metallurgy...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003659
EISBN: 978-1-62708-182-5
... plant, equipment failure can lead to a leak, which can result in loss of product, a hazard potential, and possible shutdown of the plant. It is important for the monitoring apparatus to be designed to minimize the possibility of such an incident and to have a plan in place to safely deal with any leak...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003403
EISBN: 978-1-62708-195-5
... of fabrication and duplication. Tool laminates can be laid-up on compound contours and complex shapes without much difficulty. Additionally, duplicate molds can be made off of the same model with precision and accuracy. This is a real benefit when multiple molds or fixtures are required for production. The turn...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001473
EISBN: 978-1-62708-173-3
..., radiographic testing, and ultrasonic testing. Although visual inspection is not strictly a test method, it does have an important role in NDE procedures and is often the only inspection method used. Acoustic emission (AE) testing and leak testing are described separately, because they are somewhat different...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003328
EISBN: 978-1-62708-176-4
... plants, vary somewhat from country to country. However, a generally accepted standard requires that the possibility of catastrophic failure from double-ended guillotine breaks (DEGB) must be completely excluded for pressure vessels and piping. A leak-before-break (LBB) assessment is used to show...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005638
EISBN: 978-1-62708-174-0
... real-time or in-process monitoring, which is done with optical, acoustic, and/or charged-particle sensors. It highlights the advantages, applications, and selection criteria of weld monitoring system and concludes with examples of laser weld monitoring in the production of tailor-welded blanks...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006462
EISBN: 978-1-62708-190-0
... with application experience Radiographic High-energy electron beam or radio-isotope sources create x-rays that penetrate the object; variations of absorption are recorded by film or real-time detectors. Usable for volumetric defects for nearly all materials; some material property and thickness changes...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003521
EISBN: 978-1-62708-180-1
... the characteristics listed indicate the given failure mode is key to understanding the failure itself. Determining Primary and Secondary Damage Mechanisms In real world failure analyses, multiple modes and mechanisms may be present in a damaged component. A thorough investigation is critical to ensure that all...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006098
EISBN: 978-1-62708-175-7
... industry began converting the exhaust system components from low-cost plain carbon steels to stainless steels. This conversion was necessitated partly by stricter environmental guidelines (“no-leak” exhaust systems) imposed by the federal government and partly by consumer demands for extended bumper...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005719
EISBN: 978-1-62708-171-9
... discuss some of the known causes of powder-feed pulsations. Leaks The leading cause of powder pulsing is gas leaks in the carrier-gas circuit. Leaks are common in powder hose fittings at both the gun and feeder ends. Loose hose fittings and damaged seals are usually the causes of gas leaks. Leaks...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005277
EISBN: 978-1-62708-187-0
... precipitation, shrinkage cavities, and hot tears, and after being frozen into the casting become effective cracks, lowering the strength and fatigue resistance. The folded films may also create leak paths, causing leakage failures. Thus, the entrainment of the liquid surface by surface turbulence leads...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
.... These include techniques such as Barkhausen noise detection, acoustic emission, vibration analysis, leak detection, and strain gages. These applications of NDE technology in production and in-service settings also are important to recognize and understand during a failure investigation. Overview of various...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... of a structural failure caused by K Ic exceeding K and uncontrolled crack growth. The essential difference from the strength-of-materials approach is that the fracture mechanics approach explicitly introduces a new physical parameter: the size of a (real or postulated) cracklike flaw. In fracture...