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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090359
EISBN: 978-1-62708-266-2
... nondestructive evaluation (NDE) techniques because of its treelike branching pattern and its location in the heat-affected zone within the weld. As the chapter explains, by optimizing excitation and reflected waveforms, switching to dual-element sensing, properly orienting the scanning path, and using crack-tip...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
...Nondestructive evaluation techniques for suspected stress-corrosion cracking damage Table 18.1 Nondestructive evaluation techniques for suspected stress-corrosion cracking damage Material NDE method (a) Ultrasonic, shear wave Ultrasonic, longitudinal wave Ultrasonic, surface wave...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490001
EISBN: 978-1-62708-340-9
... for screening purposes. They are used in determining when and at what locations further and more detailed evaluations may be needed. In many instances where access to NDE equipment is limited, they may provide the only means of estimating expended life. Dimensional changes can often provide clues...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... techniques. Unlike magnetic particle inspection, the method is not limited to surface-breaking or near-surface flaws. Magnetic flux leakage found wide use in the NDE of tank floors because it is quick to apply and can detect material loss on both surfaces of the floor. The requirement for the sensor...
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 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
... material from the center of the rotor and permits identification of the causes of defects; (2) the bore hole facilitates magnetic-particle and ultrasonic inspection, thus supplementing NDE data obtainable by ultrasonic inspection from the periphery; (3) samples of the bore material permit characterization...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
..., such as solvents, oils, greases, rubber, and plastic, are present in a complex mixture, the mixture is first separated into its individual components by gas chromatography. Many conventional nondestructive evaluation (NDE) methods are quite useful for the detection of corrosion, even in its early stages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... requirements and standards for determining whether the item or activity is in line with these targets. Some inspection methods are destructive; however, inspections are usually nondestructive. Nondestructive examination (NDE), or nondestructive testing (NDT), are a number of technologies used to analyze...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
... to recognize that the dominant noise source in a nondestructive evaluation (NDE) process is not electronic noise that may be reduced by filtering, multiple sampling, and averaging techniques but is instead the noise due to nonrelevant signals generated in applying the NDE procedure to a specific hardware...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310201
EISBN: 978-1-62708-286-0
... Welding High-Frequency Induction Welding Thermal Cutting Soldering and Brazing Safety Nondestructive Evaluation (NDE) Recent Developments New Developments Austenitic stainless steels are readily welded by nearly all welding techniques. The characteristics of austenitic stainless...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270005
EISBN: 978-1-62708-301-0
... it interferes with the intended function and expected life of a part. In the discipline of nondestructive evaluation (NDE), for example, the following definitions are an applicable reference ( Ref 1 ): Discontinuity: A lack of continuity or cohesion; an intentional or unintentional interruption...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490059
EISBN: 978-1-62708-340-9
... initiation Crack propagation Technique Issues Calculation Inaccurate Issues: Uncertainties in interpretation of NDE results Lack of adequate crack-growth data in creep and creep-fatigue Lack of methods for characterizing crack-growth rates specific to the degraded components Lack of a clear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
..., and appropriate damage rules. Conventional nondestructive evaluation (NDE) of blades and vanes generally has included visual inspection and dye-penetrant inspection. Eddy-current probes have occasionally been used. These techniques are aimed at detecting the presence of cracks. They are adequate for vanes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... by nondestructive eddy current inspection. (a) and (b) show the same fracture surface as (a) a SEM backscatter electron image and (b) an optical microscope image. Courtesy of Marcus Brown, NDE Technology Inc. Fig. 16.22 The same fracture surface depicted in Fig. 16.21 at a higher magnification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120295
EISBN: 978-1-62708-269-3
... Excelco Developments, Inc. 4274 Mill St. Silver Creek, NY 14136-0230 Tel: 716-934-2651 Fax: 716-934-2646 Titanium: machining, fabrication, welding, NDE and testing for high-tech applications such as nuclear, aerospace, and seawater; ISO-9001/Mil specifications Express Metals Co. 5583 Parkmor Rd...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490329
EISBN: 978-1-62708-340-9
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... are not easily detectable by ordinary nondestructive evaluation (NDE) methods. Fractographic studies conducted in the 1970s showed that critical flaw sizes in ceramics range from ≈1 μm to ≈500 μm (typically 10 to 50 μm). Today’s new, toughened ceramics are somewhat improved, but their critical flaw sizes...