Classical Electrodynamics

Tsang, Tung

doi:10.1142/3388

Cited by 31 publications

(39 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This is a superposition of two Debye-like terms, w d1 (o) and w d2 (o), and a resonant dispersion w r (o) [30,31]. The values of the parameters a, b, c, o 0 , w N , Dw n , t n (n ¼1, 2) obtained from the fitting are reported in Table 3.…”

Section: Magnetic Properties: Results From the Datasets S 1 And Smentioning

confidence: 99%

See 1 more Smart Citation

Broadband spectroscopy of the electromagnetic properties of aqueous ferrofluids for biomedical applications

Bellizzi

Bucci

Capozzoli

2010

Journal of Magnetism and Magnetic Materials

View full text Add to dashboard Cite

Section: Magnetic Properties: Results From the Datasets S 1 And Smentioning

confidence: 99%

“…According to [24], the dielectric behavior of colloidal suspensions like the one we are considering, over the frequency range from few hundreds of Hz to tens of GHz, is well described by considering three Debye-like terms [30,31] and a conductive contribution [24] eðoÞ ¼ e 1 þ e w ðoÞþe Hf ðoÞþe Lf ðoÞþe s ðoÞ…”

Section: Dielectric Propertiesmentioning

confidence: 99%

Broadband spectroscopy of the electromagnetic properties of aqueous ferrofluids for biomedical applications

Bellizzi

Bucci

Capozzoli

2010

Journal of Magnetism and Magnetic Materials

View full text Add to dashboard Cite

“…(A.43)-(A.44)). By similar considerations, one shows that [37,. In particular, the Minkowski formulae are supposed to yield "fully relativistic constitutive relations" [32, p. 859].…”

Section: Minkowski Formulaementioning

confidence: 99%

Covariant response theory and the boost transform of the dielectric tensor

Starke

Schober

2017

Int. J. Mod. Phys. D

View full text Add to dashboard Cite

After a short critique of the Minkowski formulae for the electromagnetic constitutive laws in moving media, we argue that in actual fact the problem of Lorentz-covariant electromagnetic response theory is automatically solved within the framework of modern microscopic electrodynamics of materials. As an illustration, we first rederive the well-known relativistic transformation behavior of the microscopic conductivity tensor. Thereafter, we deduce from first principles the transformation law of the wavevector-and frequencydependent dielectric tensor under Lorentz boost transformations.

show abstract

“…First, we analyzed the simplest case of a normal plane boundary separating two conducting halfspaces. The Method of Images was used to derive the resistance equations at two orthogonal orientations either normal or tangential to the boundary [49]. The radial component of the spherical potential distribution produced by a single current source I on the surface of a…”

Section: Apparent Anisotropy Of a Normal Boundary Between Two Conductmentioning

confidence: 99%

Investigation of a Novel NDE Method for Monitoring Thermomechanical Damage and Microstructure Evolution in Ferritic-Martensitic Steels for Generation IV Nuclear Energy Systems

Nagy¹

2013

View full text Add to dashboard Cite

Page 5 of 78 It should be noted that the operating characteristics of GEN IV high temperature structural components involve long service lives (>60 years). As it is not often practical to perform longterm creep tests under these conditions and obtaining creep-fatigue test data required to determine the negligible creep condition is very challenging because of the long test times that are involved, it is a prudent strategy to compensate for the high uncertainty in the negligible creep conditions by implementing NDE procedures to achieve better health/safety management of nuclear power plants. We conducted an investigation of the feasibility of a novel NDE method that is capable of reliable, in-situ monitoring of creep damage and changes in microstructure of materials and components in the field.During creep deformation, material damage accumulates with time as a function of temperature and mechanical stress. The specific form of degradation is material dependent, but in creep-resistant steels it might follow two main types of path [3]. First, there is transformation and precipitation of carbides from the initial microstructure. These precipitations might be in the form of tempered martensite and bainite or pearlite and ferrite, depending on the heat treatment used. Second, at a later stage of the degradation process, the presence of voids and microcracks becomes more evident. For creep-resistant materials used at high temperatures, creep rupture caused by cumulative damage is a common failure mode. The process starts with the nucleation and then growth of cavities at grain boundaries. The cavities tend to gather preferentially on grain boundaries approximately perpendicular to the applied stress [4][5][6]. Eventually these cavities connect together to form microcracks that propagate and join together in a later stage of degradation that leads to ultimate failure. This process leads to anisotropic texture in electric resistivity, which can be exploited for creep monitoring. In effect, the resulting preference in damage orientation introduces small but perceivable path-length differences for electrical current. This induced anisotropy is detectable by directionally sensitive sensors.Most damage detection techniques have sufficient level of sensitivity for the purposes of damage monitoring, but the crucial issue is their selectivity, or the lack of it, to a specific material degradation mechanism. There are numerous variables to which a given sensor can be sensitive including microstructure evolution, carbide precipitation, hardening, plastic strain and elastic strain. Effective creep monitoring requires that the sensor sufficiently suppress changes that are primarily associated with thermally activated microstructural evolution. Even prior to mechanical loading, the material contains various microdefects, such as microcracks, voids, inclusions, and second-phase particles [7]. Also, most steel components used in power plants accumulate an initial amount of cold work during manufacturing. The presence of cold work ind...

show abstract

Classical Electrodynamics

Cited by 31 publications

References 0 publications

Broadband spectroscopy of the electromagnetic properties of aqueous ferrofluids for biomedical applications

Broadband spectroscopy of the electromagnetic properties of aqueous ferrofluids for biomedical applications

Covariant response theory and the boost transform of the dielectric tensor

Investigation of a Novel NDE Method for Monitoring Thermomechanical Damage and Microstructure Evolution in Ferritic-Martensitic Steels for Generation IV Nuclear Energy Systems

Contact Info

Product

Resources

About