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nondestructive techniques

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the use of nondestructive inspection methods, including visual, ultrasonic, radiographic, and thermographic techniques, and the types of flaws and damages they can reveal in composite parts and assemblies. It describes the basic principles behind each method...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270072
EISBN: 978-1-62708-301-0
... due to a combination of fatigue, bending stresses, and wear. It also includes a recommendation to assess the structural integrity of the bearing housing after every 100 h of service using nondestructive techniques. fractography visual examination wheel hub The main wheel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... Abstract This chapter discusses the techniques applicable to the diagnosis of corrosion failures, including visual and microscopic examination of corroded surfaces and microstructure; chemical analysis of the metal, corrosion products, and bulk environment; nondestructive evaluation methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110269
EISBN: 978-1-62708-247-1
... are 10-50 pA. For low magnifications a current up to 100 pA can be used, for special problems at high magnifications 1-10 pA may be best. An important application of Passive Voltage Contrast in SEM is the inline e-beam inspection technique. In an inline SEM a retarding field at the chuck...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110550
EISBN: 978-1-62708-247-1
... the fail in a fully packaged module has become a challenge nondestructively. Maintaining defect region integrity is critical until the fault localization has been completed successfully with a high level of confidence. Thus, several imaging techniques are used to inspect...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110209
EISBN: 978-1-62708-247-1
... invented in 1984 [7] and has been used extensively in nondestructive testing for “looking below the surface” of solid objects [8] . It is also a standard technique for investigating shunting phenomena in solar cell research and for failure analysis in integrated circuits (ICs) [9 , 10] . During LIT...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
... characterization is a subject of interest for scientists and engineers because the properties of the material are governed by its composition and structure. Over the last few decades several tools and techniques have been developed to characterize different materials, including metals and alloys. The three broad...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630001
EISBN: 978-1-62708-270-9
... providing incremental improvements for refinement of successful designs, proper failure analysis can help prevent catastrophic failures. Although failure analysis is essential, it is not typically emphasized as part of most engineering curricula. As a result, failure analysis methods and techniques are not...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
..., computed tomography, gamma-ray density determination, and ultrasonic techniques. density measurements dimensional evaluation hardness testing nondestructive evaluation powder metallurgy parts FABRICATED POWDER METALLURGY (P/M) parts are evaluated and tested at several stages during...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720345
EISBN: 978-1-62708-305-8
... Abstract Wrought tubular products are nondestructively inspected chiefly by eddy current techniques (including the magnetic flux leakage technique) and by ultrasonic techniques. The methods discussed in this chapter include eddy current inspection, flux leakage inspection, ultrasonic inspection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090359
EISBN: 978-1-62708-266-2
... Abstract This chapter describes how ultrasonic testing came to be a viable method for evaluating intergranular stress-corrosion cracking (SCC) in large-diameter stainless steel pipe welds in boiling water reactor service. Intergranular SCC can be difficult to detect using nondestructive...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780093
EISBN: 978-1-62708-268-6
... subassemblies from the failed system. There are numerous techniques and technologies available for examining and analyzing components and subassemblies, which are categorized as follows: optical approaches, dimensional inspection and related approaches, nondestructive test approaches, mechanical and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
..., represents the wide variety of features that can be evaluated by light macroscopy. Nondestructive testing (NDT) and inspection techniques are commonly used to detect and evaluate flaws (irregularities or discontinuities) or leaks in engineering systems. Of the many different NDT techniques used in...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720267
EISBN: 978-1-62708-305-8
... Abstract Ultrasonic inspection is a nondestructive method in which beams of high frequency acoustic energy are introduced into a material to detect surface and subsurface flaws, to measure the thickness of the material, and to measure the distance to a flaw. This chapter begins with an overview...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... Abstract This appendix focuses on procedures, techniques, and precautions associated with the investigation and analysis of metallurgical failures that occur in service. It describes the steps of an orderly failure analysis from collecting and examining samples to performing mechanical and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... Abstract This chapter provides an overview of the possible mechanisms of failure for heat treated steel components and discusses the techniques for examining fractures, ductile and brittle failures, intergranular failure mechanisms, and fatigue. It begins with a description of the general...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
..., and electric current perturbation methods. Each of these techniques has specific advantages and limitations. Existing codes and standards that provide guidelines for these various techniques are based on the capabilities and/or limitations of these nondestructive methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... topic with some additional information and references noted at the end of this chapter. The tool box of metallurgists also includes other types of destructive tests to determine mechanical properties (e.g., tensile strength) and various nondestructive techniques to evaluate the structure or condition of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
... collect test specimens for subsequent examination and chemical analysis. It also discusses the role of mechanical property testing, the use of nondestructive evaluation, and the final step of generating a report. failure analysis nondestructive evaluation FAILURE ANALYSIS is a...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... forging operation and the principal factors that influence the selection of a nondestructive inspection method for forgings. eddy current inspection forgings liquid penetrant inspection magnetic particle inspection radiographic inspection ultrasonic inspection visual inspection IN...