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harmonic distortion analysis

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Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005940
EISBN: 978-1-62708-166-5
... changes. Figure 14 shows a detailed analysis of its influence on the second harmonic of the Fourier analysis of the outer roundness plots (this kind of data presentation is explained in the article “Basics of Distortion and Stress Generation during Heat Treatment” in this Volume). The loading tool...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006662
EISBN: 978-1-62708-213-6
... accessories necessary in obtaining the infrared spectrum of a material are then discussed. The article presents various techniques and methods involved in IR qualitative analysis and quantitative analysis. It ends with a few examples of the applications of IR spectroscopy. infrared spectroscopy...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006442
EISBN: 978-1-62708-190-0
... used in combination with other methods, such as incremental permeability and upper harmonics analysis of the tangential magnetic field, to characterize material properties such as hardness, hardening depth, and yield and tensile strength ( Ref 1 , 2 ). The domain structure and its...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0006540
EISBN: 978-1-62708-183-2
...· electron hole H enthalpy H 0 null hypothesis HAZ heat-affected zone HB Brinell hardness hcp hexagonal close-packed HIC hydrogen-induced cracking HDA harmonic distortion analysis HR Rockwell hardness; requires scale designation, such as...
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
... damage and predicting remaining service life of critical components. Nonlinear distortion is a generic term used in numerous fields of science and engineering to describe phenomena of harmonics generation caused by a nonlinear relationship between a harmonic sinusoidal input signal and the...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006445
EISBN: 978-1-62708-190-0
... sensor Signal analysis/signal evaluation Physical attribute checked Detection of cracks Detection of inclusions Advantages and limitations Resonance manual Resonance/physical ear Brain of the individual Total volume Limit varies widely with geometry. Mostly not possible Very flexible...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005418
EISBN: 978-1-62708-196-2
... elastic problem around an ellipsoidal inclusion via a Green's function analysis ( Ref 2 ) then allowed a revolution, with the invention of the self-consistent method elaborated by Kröner ( Ref 3 ) for elasticity and then for plasticity by Hill ( Ref 4 ) and Hutchinson ( Ref 5 ). The foundation-stone of...
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
... other advances that are leading to increased confidence in this technology. Nonlinear ultrasound exploits nonlinear waveform distortion of the primary excitation frequency that typically manifests in a first harmonic or 2× the primary frequency. Filtering for this harmonic response can enhance...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006457
EISBN: 978-1-62708-190-0
... inspect bonded assemblies so that all discrepancies are identified. Once the flaws are located, engineering judgment and analysis can determine if adequate strength exists or if the parts must be reworked or scrapped. When very large and costly assemblies have been bonded, the importance of good...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005659
EISBN: 978-1-62708-198-6
... quantitative analysis of the material demonstrates the presence of a known toxic molecule, it is necessary to show that the amount which may be released into the patient, that is, dose, is below the toxicity threshold for the duration of the device. This includes both local and systemic ( Ref 2 ) effects. The...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005435
EISBN: 978-1-62708-196-2
... Morris Cohen ( Ref 2 ) eloquently argued the importance of reciprocity between the deductive cause/effect logic of reductionist analysis and the inductive goal/means logic of systems synthesis, whereby useful insights such as structure/property relations can be distilled from natural complexity by...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005431
EISBN: 978-1-62708-196-2
... geometric distortion. The traditional criteria ( Fig. 7 ) are aspect ratio, taper, skew, warping, and edge curvature. Because even these traditional metrics are defined differently in different analysis codes, the user needs some control over their definition, their values, or the strategies imposed by the...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006469
EISBN: 978-1-62708-190-0
... oscilloscope or computer screen when utilized. Analog units also will have controls to correct for distortion or astigmatism that may be introduced as the electron beam sweeps across the oscilloscope screen when utilized. A control for the display of a measuring grid Timing controls to provide...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005234
EISBN: 978-1-62708-187-0
... )       + ∇ · ( g l ρ l D 1 ∇ C l ) The derivation of Eq 9 neglects interdiffusion among elements and diffusion in the solid phase. These assumptions are justified by noting that a scaling analysis shows that advection dominates species transport throughout the process ( Ref 9 ) and that...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003041
EISBN: 978-1-62708-200-6
... and R.C. Adams, Elastomeric Tooling, p 590–594 B.D. Harmon, Graphite-Epoxy Tooling, p 586–589 T.W. McGann and E.R. Crilly, Preparation for Cure, p 642–644 D.L. Sheldon, Electroformed Nickel Tooling, p 582–585 T. Taricco, Autoclave Cure Systems, p 645–648 The peel ply, if used, is...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005429
EISBN: 978-1-62708-196-2
... not all the atomic sites ( Ref 64 ). At finite temperatures, all alloys show deviations from perfect ordering; however, the composition of the studied δ-MoNi phase was Mo49.2-Ni, and x-ray analysis could not unambiguously determine the chemistry on at least one of the sites. The electronic structure...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004028
EISBN: 978-1-62708-185-6
... represented as a continuum or as a discrete function. A frequently used continuum representation due to Bunge ( Ref 9 ) is a series expansion in (symmetrized) spherical harmonics, function of the three Euler angles, giving the intensity of the distribution at every point in Euler space. In the discrete...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006287
EISBN: 978-1-62708-169-6
... old oxides. Oxides that form during filling of the ingot or casting are called young oxides. Typically, old oxides are much thicker than young oxides and can be identified by microscopy and x-ray analysis. Old oxides are generally filtered from the melt. Young oxide films are generally introduced...