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flaw detection

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Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006443
EISBN: 978-1-62708-190-0
... with an example that illustrates the integration of an ultrasonic reliability model with a CAD system. non-destructive evaluation process control reliability ultrasonic inspection model eddy current inspection model radiographic inspection model ultrasonic reliability model CAD system flaw detection...
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Published: 01 August 2018
Fig. 5 Schematic of a typical rotating-type ultrasonic flaw-detection system. Source: Ref 1 More
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Published: 01 August 2018
Fig. 7 Principle of ultrasonic flaw detection for cold-drawn wires using three detection-mode probes. Source: Ref 1 More
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Published: 01 August 2018
Fig. 12 Eddy-current flaw-detection method for cold-drawn hexagonal bars. (a) Location of artificial flaws ranging from 0.5 to 19 mm (0.020 to 3 4 in.) below probe position. (b) Schematic of setup for standard voltage comparison (encircling coil) method (left) and plot of signals More
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Published: 01 August 2018
Fig. 16 Schematic of eddy-current flaw-detection system used to inspect sheared bolt illustrated in Fig. 15 . Source: Ref 1 More
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006438
EISBN: 978-1-62708-190-0
... Abstract This article provides a discussion on general nondestructive evaluation (NDE) science and considerations for specific technique selection. It explains the basic concept of flaw detection and evaluation and probability of detection. The article provides an overview of NDE methods...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006460
EISBN: 978-1-62708-190-0
... and photorefractive two-wave mixing interferometer. The article concludes with information on the industrial applications of laser-ultrasonics, including thickness measurement, flaw detection, and material characterization. ultrasonic nondestructive inspection thermoelastic ablation thermoelastic vaporization...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006446
EISBN: 978-1-62708-190-0
... of intrinsic nonlinearity in intact solids, and the main mechanisms of excess nonlinearity in damaged metals. It describes the measurement methods for nonlinear ultrasonic materials characterization and flaw-detection. The article schematically illustrates the instrumentation used for measurements...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003045
EISBN: 978-1-62708-200-6
... Abstract Ultrasonic inspection is a nondestructive technique that is useful in both quality control and research applications for flaw detection in fiber-reinforced composite materials. This article describes ultrasonic nondestructive analysis by outlining its three basic types of scans...
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Published: 01 August 2018
Fig. 3 Use of scanning acoustical holography for the examination of flaws in the butt welding of a 152 mm (6 in.) thick steel plate. (a) Transducer locations above plate surface. (b) Flaw detected with +45° shear sound wave. (c) Flaw detected with 0° longitudinal sound wave. (d) Flaw detected More
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006467
EISBN: 978-1-62708-190-0
... provides a discussion on electromagnetic systems, eddy-current systems, and magnetic permeability systems for detection of flaws on steel bars. It concludes with a description of nondestructive inspection of steel billets. cracks eddy-current system electromagnetic inspection inclusions liquid...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003233
EISBN: 978-1-62708-199-3
.... All magnetic flaw-detection methods rely in some way on the detection and measurement of the magnetic flux leakage field near the surface of the material, which is caused by the presence of the flaw. Material properties characterization methods rely on bulk measurements of the hysteretic properties...
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Published: 01 August 2018
Fig. 4 Schematic showing position of probe relative to flaw inside of bar and resulting wave display obtained for two methods of ultrasonic flaw detection. (a) Normal-beam method. (b) Angle-beam method. Wave display nomenclature: T, transmit pulse; S, surface reflection echo; F 1 , flaw echo More
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Published: 01 December 1998
Fig. 9 Types and applications of coils used in eddy-current inspection. (a) Probe-type coil applied to a flat plate for crack detection. (b) Horseshoe-shape, or U-shape, coil applied to a flat plate for laminar-flaw detection. (c) Encircling coil applied to a tube. (d) Internal, or bobbin-type More
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Published: 01 August 2018
Fig. 2 Matrix of four possible outcomes from a nondestructive examination procedure for flaw detection More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003228
EISBN: 978-1-62708-199-3
... Abstract This article reviews nondestructive testing (NDT) and inspection techniques, namely liquid penetrant, magnetic particle, ultrasonics, X-ray, eddy current, visual and radiography that are commonly used to detect and evaluate flaws or leaks in an engineering system. This article compares...
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Published: 01 August 2018
Fig. 11 Schematic of flaws and their x-ray images. Defect types that can be detected by x-ray radiography are those that change the attenuation of the transmitted x-rays. Source: Ref 11 More
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Published: 01 August 2018
Fig. 11 Plot of eddy-current signal output versus flaw depth to gage detectability of flaws in cold-drawn bars. Source: Ref 1 More
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Published: 01 August 2018
Fig. 20 Coil assembly used for the simultaneous detection of flaws and of variation in composition, structure, and hardness in steel bars. Dimension given in inches More
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Published: 01 August 2018
Fig. 28 Detectability of different ellipsoidal flaws as a function of their orientation and shape. The shape of the ellipsoid is changed by varying the aspect ratio, where two of the major axes are kept equal and the third is decreased. The ratio of the constant major axes to the smaller More