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structural leaks

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780131
EISBN: 978-1-62708-268-6
... Abstract Leaks can occur as the result of several failure causes. This chapter reviews the causes, features, and impact of various types of leaks, namely gasket leaks, O-ring leaks, bond-joint leaks, weld leaks, polyvinyl chloride leaks, valve leaks, and structural leaks. bond-joint leaks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
.... There is clearly a microstructural dependence, and studies on HAZs show corrosion to be appreciably more severe when the material composition and welding parameters are such that hardened structures are formed. It has been known for many years that hardened steel may corrode more rapidly in acid conditions than...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870101
EISBN: 978-1-62708-314-0
... of the basics of bond tools for composites, primarily for autoclave curing. As other composite manufacturing processes are introduced in later chapters, additional tooling information specific to those processes will be presented. Tooling for composite structures is a complex discipline in its own right...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... of nondestructive inspection of weldments including visual inspection, liquid penetrant inspection, magnetic particle inspection, radiographic inspection, ultrasonic inspection, leak testing, and eddy current and electric current perturbation inspection. The chapter also describes the properties of brazing filler...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270126
EISBN: 978-1-62708-301-0
... Abstract A test flight was cut short after a fire warning came on indicating a problem with one of the four engines on an aircraft. A visual examination following the precautionary landing revealed several burned hoses, a melted bolt, and fuel leaking from the base of the main burner. The fuel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930217
EISBN: 978-1-62708-359-1
... in the HAZ and the selection of the proper filler metal. The article provides a comparison between single-pass and multipass welding and describes the effect of welding procedures on weldment properties and the effects of residual stresses on the service behavior of welded structures. It also describes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110563
EISBN: 978-1-62708-247-1
.... The commonality in MEMS devices with respect to FA is that the structures are free moving and have some electrical function. A useful framework for proceeding down a failure analysis flow is to first try to isolate the source of the failure to a) the MEMS, b) the electronics (ASIC or integrated circuitry), or c...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... are often performed to predict when the next internal or external inspection should be performed. Typical life-limiting mechanisms include stress-corrosion cracking, fatigue, and thermal fatigue. Welded structures that could initiate a crack are often susceptible to these mechanisms. The leak-before-break...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
... inspection. Casting defects including porosity, oxide films, inclusions, hot tears, metal penetration, and surface defects are reviewed. Liquid penetrant inspection, magnetic particle inspection, eddy current inspection, radiographic inspection, ultrasonic inspection, and leak testing for castings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
... frequent checks for leaks. The same can be accomplished by providing multiple load paths (e.g., parallel redundant members). When properly designed, the structure can still sustain σ p when one member fails. Inspection for cracks would not be required, but regular checks for failed members would...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110269
EISBN: 978-1-62708-247-1
... Contrast (VC) localization method is based on brightness differences of conducting structures in SEM and FIB images [1 - 10] and can be used for failure localization issues. The Active Voltage Contrast method (AVC) as it was described as Biased Voltage Contrast by Campbell and Soden [11...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930163
EISBN: 978-1-62708-359-1
... Abstract Depending on the operating environment and the nature of the applied loading, a structure can fail by a number of different modes, including brittle fracture, ductile fracture, plastic collapse, fatigue, creep, corrosion, and buckling. These failure modes can be broken down...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the advantages and disadvantages of sandwich and integral cocured structures, and the methods by which they are made. It begins by explaining where and how sandwich construction is used and why it is so efficient. It then describes the design and fabrication...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
... levels of joint restraint. Much of the steel in this carbon range is used for rolled structural plate and tubular products. These steels are generally killed or semi-killed and are usually supplied in the hot-rolled condition. The presence of surface scale (iron oxide) from the high-temperature rolling...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270059
EISBN: 978-1-62708-301-0
..., and the damages to the plant and the community were inevitable. It may be recalled that the court of inquiry concluded that when the leaking reactor No. 5 was replaced by a dog-leg pipe with bellows at the two ends, to bridge reactors 4 and 6, there was no proper design study, no proper consideration...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
... parameters along the length of the structure. A summary of some of the defects detected by x-ray in honeycomb bonded assemblies is shown in Fig. 12.13 . Blown core is usually caused by a vacuum bag leak during bonding. Small leaks can result in small areas of blown core, while large leaks, for example...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000185
EISBN: 978-1-62708-312-6
... Abstract This chapter discusses the growing use of sintered stainless steels in automotive applications and various types of filters and filtering media. It also describes how these materials are produced in the form of metal foams and cellular structures and how they serve as flake pigments...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
.... Corrosion will win—eventually—unless all possible means are taken to prevent its occurrence. Attempts to prevent corrosion may be compared to sticking a finger into a hole in a dike to prevent a leak; it may be possible to stop that leak, but inevitably there will be other leaks. Basic Nature of Corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430351
EISBN: 978-1-62708-253-2
... Abstract Boiler tube failures associated with material defects are often the result of poor quality control, whether in primary production, on-site fabrication, storage and handling, or installation. This chapter examines quality-related failures stemming from compositional and structural...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
... Abstract Welded joints in any component or structure require a thorough inspection. The role of nondestructive evaluation (NDE) in the inspection of welds is very important, and the technology has become highly developed as a result. This article describes the applications, methods, evaluation...