1-20 of 124 Search Results for

flaw detection

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720183
EISBN: 978-1-62708-305-8
... 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, coil applied to a tube. Source: Ref 3 Fig. 14 Magnetic particle indications of cracks in a large cast splined coupling. Source: Ref 2 Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
... evaluation methods to flaw detection in P/M parts. The nondestructive evaluation methods covered are mechanical proof testing, metallography, liquid penetrant crack detection, filtered particle crack detection, magnetic particle crack inspection, direct current resistivity testing, x-ray radiography...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720321
EISBN: 978-1-62708-305-8
...Specifications of a rotating probe type eddy current flaw detection system Table 4 Specifications of a rotating probe type eddy current flaw detection system Parameter Type I Type II Dimension of material, mm (in.) 5–32 (0.197–1.260) 5–25 (0.197–0.984) Number of probes 2...
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
... and low resolution (ability to separate echoes from closely spaced defects). Source: Ref 1 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...
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
... commonly used to detect these flaws include visual, magnetic particle, liquid penetrant, ultrasonic, eddy current, and radiographic inspection. This chapter provides a detailed discussion on the characteristics, process steps, applications, advantages, and limitations of these methods. It also describes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720345
EISBN: 978-1-62708-305-8
... but requires magnetization of the tube and is limited to the inspection of ferromagnetic materials. When the tube is magnetized to near saturation, the magnetic flux passing through the flaw zone is diverted by the flaws. Detectors of various types detect the diverted flux when either the detector or the tube...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500301
EISBN: 978-1-62708-317-1
... can be derived in real time from various sensor outputs. flaw detection quality control sensors sheet metal forming IN SHEET METAL FORMING, the quality of formed parts is affected by variables such as sheet material, die material and surface, lubrication, and press characteristics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... Testing Fatigue Crack Growth Rate Testing Various nondestructive testing (NDT) and inspection techniques are commonly used to detect and evaluate flaws (irregularities or discontinuities) or defects in engineering systems. Of the many different NDT techniques used in industry, liquid penetrant...
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
... or nonmetallic inclusions, have a direct effect on radiation attenuation. These flaws create variations in material thickness, resulting in localized dark or light spots on the image. Sensitivity or the ability to detect flaws, of radiographic inspection, depends on close control of the inspection technique...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
... of cracks originating in the component from flaws that already existed or that formed during service. Nondestructive evaluation (NDE) is employed to detect at an early stage subsurface flaws and internal flaws in the component, their type, size, orientation, and location. In a failed component, there may...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... a variety of surface flaws, such as corrosion, contamination, surface finish, and surface discontinuities on joints (for example, welds, seals, and solder connections). Visual inspection is also the most widely used method for detecting and examining surface cracks that are particularly important because...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... under ultraviolet light. This method reveals surface cracks that are not visible to the naked eye. Liquid penetrant inspection is used to detect surface flaws in materials. It is used mainly, but not exclusively, with nonmagnetic materials, on which magnetic-particle inspection cannot be used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
... transmits sound and the other element receives sound. Sound waves are transmitted across the part in a plate wave mode. Unbonds and deeper defects are detected as the sound loss. Transducer is swept in a circular manner to detect flaws. Sweep frequencies of 20–40 or 30–50 kHz are normally used. No couplant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... Although visual inspection is an invaluable method, it is unreliable for detecting subsurface flaws. Therefore, judgment of weld quality must be based on information in addition to that afforded by surface indications. Additional information can be gained by observations before and during welding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060231
EISBN: 978-1-62708-343-0
... to be used as a nondestructive inspection (NDI) technique under the aforementioned circumstances. Obviously, other, far more appropriate, NDI techniques that are capable of detecting potential manufacturing flaws must be called on for this purpose. Localized plasticity induced by monotonic overpressure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050175
EISBN: 978-1-62708-311-9
...-Rolled Stock Significance on Induction Hardening Defects or Flaws Most Likely Surface Defect and Seam Detection Stress Cracks Quench Cracks Workpiece Design Workpiece Defects Heat Treating Practice For a typical 5 s heat cycle to 950 °C (1760 °F), the decarb depth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... such as material, geometry, access, temperature, light levels, and the type of flaw or degradation mechanism that the inspection is attempting to detect. Additional information on inspection techniques can be found in the Appendix to this article. Typical defects that may be encountered are shown in Fig. 1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
... and photon energy. Source: Ref 1 Fig. 1 Diagram of the basic elements of a radiographic system, showing method of detecting and recording an internal flaw in a plate of uniform thickness. Source: Ref 1 Fig. 3 Schematic diagram of the principal components of an x-ray unit. Source: Ref...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090359
EISBN: 978-1-62708-266-2
... to size flaws was even stronger for the detection course. The sizing techniques shown to be effective were not generally familiar to the examination community. In addition, the coordination plan mandated a sizing performance demonstration, an exercise that fit naturally in a training course structure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630257
EISBN: 978-1-62708-270-9
... from this material and the design stresses are 70% of the yield strength (1715 MPa, or 248.6 ksi). Assuming that the flaws must be 2.54 mm (0.1 in.) to be detectable, can the part operate safely at this stress? Assume that edge cracks are present. The stress-intensity parameter for this crack geometry...