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ultrasound testing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310091
EISBN: 978-1-62708-346-1
... the use of ultrasound to determine the depth of hardening in a metal or alloy. The chapter reviews methods used to check and calibrate hardness testing machines and indenters and the use of hardness reference blocks for verification and calibration of test machines. It also addresses conversion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
... to the A-scan. Besides the flaw detector, probes, and calibration blocks, thick liquid couplants are needed to transmit the ultrasound from the probe into the test piece. The test surface has an important bearing on coupling efficiency. It should be smooth and free from loose debris. Although ultrasonic...
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
... to be filled. Cellulose gum is especially useful on rough surfaces when good coupling is needed to minimize background noise and yield an adequate signal-to-noise ratio. Basic Inspection Methods Ultrasound can be used to measure material thickness by (a) determining resonant frequencies of a test...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
... density/conductivity relationship, suggesting that resistivity tests could be used as a rapid check for localized density variations. As with ultrasound, the elastic modulus and the toughness of porous steels can also be distinguished by resistivity checks. Radiographic Techniques X-Ray Radiography...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
... and 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
..., normal dye penetrants should never be used, because they can contaminate the internal surfaces of the delamination, making subsequent repair more difficult or impossible. Although tap testing is normally classified as a sonic test method, actually a low-frequency vibration method...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110025
EISBN: 978-1-62708-247-1
..., non-destructive testing is desired and leads to a significant variation of the overall FA process flow. Methods like X-Ray microscopy, thermal & ultrasound imaging or time-domain reflectometry are fitting alternatives that are further developed and adapted to close the gap between past, present...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310025
EISBN: 978-1-62708-346-1
... Method ” and “Determining Hardening Depth by Ultrasound” in Chapter 4 in this book) are applied to an ever increasing extent. Testing Machines for the Vickers Procedure Machines for hardness measurement according to Vickers are produced by various companies. The force is applied by hydraulic...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... are related topics such as corrosion-monitoring devices, pressure testing, vibration monitoring, and pipeline pigging. Inspection Following a discussion of the general aspects associated with inspection, this section addresses: Inspection policy Inspection planning and procedures Inspection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440189
EISBN: 978-1-62708-352-2
... techniques are also discussed. The chapter describes several evaluation procedures and tests developed to measure solderability and standards for process calibration. The chapter also describes the characteristics of reinforced solders, amalgams used as solders, and other strategies to boost the strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030147
EISBN: 978-1-62708-349-2
.... The NDI techniques, including through-transmission ultrasound (C-scan) and x-ray radiography methods, are excellent methods for determining the void area in composite materials but are limited to the through-thickness direction and lack morphological detail of the voids throughout the thickness ( Ref 16...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030193
EISBN: 978-1-62708-349-2
... ). There are a few nondestructive analytical methods used to examine composites after impact. Two methods used in the aircraft industry to analyze damage areas are ultrasound C-scan and x-radiography techniques. These analytical techniques can show the extent of damage in the composite but not the effect...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110563
EISBN: 978-1-62708-247-1
... them. The chapter also provides information on the testing of MEMS devices. It covers the two common challenges in sample preparation for MEMS: decapping, or opening up the package, without disturbing the MEMS elements; and removing MEMS elements for analysis. Finally, the chapter discusses the aspects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260187
EISBN: 978-1-62708-336-2
... specify that the following tests be conducted: Tensile/compression/shear Hardness (for process control) Intergranular-corrosion (especially for 2014 and 2024 alloys) Electrical conductivity Fracture toughness (for aerospace alloys) Nondestructive (ultrasound) Extrusion of Aluminum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110067
EISBN: 978-1-62708-247-1
... signature analysis and GHz-SAM. GHz -SAM integrated circuit inspection scanning acoustic microscope semiconductor packages spectral signature analysis Introduction The Scanning Acoustic Microscope (SAM) has been adopted by assembly and test facilities, packaging researchers and integrated...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400233
EISBN: 978-1-62708-316-4
... A mixed-mode frac- ture, often seen in tensile test specimens of a ductile material, in which the central portion undergoes plane-strain fracture and the sur- rounding region undergoes plane-stress frac- ture. One of the mating fracture surfaces looks like a miniature cup: it has a central depressed flat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390241
EISBN: 978-1-62708-459-8
... material, which is likely for rod or wire. A further complication with tensile testing is that the wire may contain residual stresses, and removal of a surface layer to create a standard specimen profile is not desirable. On the other hand, testing in axial compression introduces its own interpretation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... increasing mean compressive stress p measured by the increase in the reduction in area at fracture φ in tensile tests at room temperature The extensive variations in the extrusion process enable a wide spectrum of materials to be extruded. After rolling, extrusion can be considered to be the most...