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ultrasonic imaging

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
... Ultrasonic imaging, C-scan Density variations, cracks D B Sensitive to cracks; fast Coupling agent required Ultrasonic imaging, SLAM Density variations, cracks D C Fast; high resolution High initial cost; coupling agent required Resonance testing Overall density, cracks D B Low cost; fast...
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
..., and dimensional 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 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 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110067
EISBN: 978-1-62708-247-1
... ,” in Acoustical Imaging , vol. 17 , Shimizu H. C. N. , and K. J. Eds. Boston, MA : Springer , 1989 , pp. 97 - 109 . 10.1007/978-1-4613-0791-4_10 [47] Krautkrämer J. and Krautkrämer H. , Ultrasonic Testing of Materials . Springer-Verlag , 1983 . 10.1007/978-3-662-02357-0...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
... to the surface. They also index at the end of each scan pass. The ultrasonic energy is converted to digital data and stored in a file. Imaging software allows C-scan displays in either shades of gray or color. Modern units are capable of scan speeds of up to 40 in./s (1.0 m/s), and some units can record through...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500301
EISBN: 978-1-62708-317-1
... crashes, how acoustic emission, ultrasonic, and eddy current sensors detect tool breakage and part defects such as cracks, and how roller ball and optical sensors measure material flow. It also discusses the role of draw-in, wrinkle, oil-monitoring, and vision sensors and explains how material properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... or p 3 + p 4 . These paths correspond to t 1 and t 2 , respectively, in the lower figure. Source: Ref 26 Fig. 4 Schematic representation of a crack tip showing acoustic emission source mechanisms. Source: Ref 28 Fig. 3 Components of a real-time radiographic imaging...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
.... The nondestructive testing methods discussed are liquid penetrant inspection, magnetic particle inspection, eddy current inspection, radiographic inspection, and ultrasonic testing. chemical analysis coordinate measuring machines hardness testing machine vision metallography nondestructive testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
... Magnetic Particle Testing Eddy Current Inspection Radiography Using x-rays, γ-rays, and Neutrons Ultrasonic Inspection In addition to these conventional NDE techniques, there are certain other techniques that are employed under special circumstances. Acoustic Emission Computed Tomography...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310091
EISBN: 978-1-62708-346-1
...Abstract Abstract This chapter discusses the characteristics, advantages, and disadvantages of nondestructive hardness testing methods for metals, including electromagnetic impulse testing, photothermal testing, scratch hardness testing, and ultrasonic contact impedance testing. It also...
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 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110563
EISBN: 978-1-62708-247-1
... Figure 1 Examples of different MEMS microphone package implementations. The left column are the tops of the parts, and the right column are the corresponding bottoms. In the right column, the hole that admits the sound to the MEMS is apparent on each part. Figure 3 SEM image...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050245
EISBN: 978-1-62708-311-9
... of various nondestructive testing methods Test method Ultrasonics x-ray Eddy current Magnetic particle Liquid penetrant Capital cost Medium to high High Low to medium Medium Low Consumable cost Very low High Low Medium Medium Time of results Immediate Delayed Immediate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110550
EISBN: 978-1-62708-247-1
... layer. Analysis of lower layers requires further sample preparation to repeat the process. Scanning acoustic microscopy (SAM) allows non-destructive imaging of certain defect types hidden below the top surface, including the delamination of interfaces, cracks, and voids [14] . An ultrasonic wave...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270120
EISBN: 978-1-62708-301-0
... surface indicated that cracking initiated at the outer periphery of the strut and propagated inward until overload fracture occurred. SEM imaging revealed fatigue striations along the outer periphery and dimples elsewhere, indicative of tensile overload. Based on these observations, investigators...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
...) Electrochemical Impedance Spectroscopy (EIS) Electrochemical Noise (EN) Corrosion Potential Ultrasonic Thickness Measurements Ultrasonic Testing of Welds in the ByPass Lines of a Boiling Water Reactor Other NDT Techniques Tests for Stainless Steels and Nickel-Base Alloys ASTM G 48 ASTM G...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
.... Specialized equipment matched to specific application required. Interpretation moderately difficult, requiring experience or more sophisticated equipment. Resolution is operator sensitive. B.6 Ultrasonic inspection B.6.1 Longitudinal waves. Application and detection of reflection of pulsed (typically...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400215
EISBN: 978-1-62708-258-7
.... This means that this etch is ideal for image analysis. As in the 4% picral etch, the ferrite grain boundaries on the matrix are unattacked. Etching Response—to Reveal Ferrite Grain Boundaries Figure 8.1(c) shows an etchant that is used to attack or reveal ferrite grain boundaries. That etchant is 2...
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
... being inspected. There are also a number of other nondestructive testing techniques for inspection and examination. These techniques are typically used for: Inspecting the interior of components or subassemblies (with methods such as ultrasonic inspection, x-ray inspection, and neutron-beam...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720063
EISBN: 978-1-62708-305-8
...Abstract Abstract Machine vision is a means of simulating the image recognition and analysis capabilities of the human eye/brain system with electronic and electromechanical techniques. This chapter discusses four basic steps in the machine vision process, namely image formation, image...