Portevin-Le Chatelier bands
Effect of Lüders and Portevin-Le Chatelier localization bands on plasticity and fracture of notched steel specimens studied by DIC and FE simulations
... the Portevin-Le Chatelier (PLC) effect on plasticity and fracture ahead of a severe notch is investi- gated by DIC field measurements for C-Mn ...localization bands is successfully reproduced ...
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Experimental studies of Portevin-Le Chatelier plastic instabilities in carbon-manganese steels by infrared pyrometry
... strain bands termed Portevin-Le Chatelier (PLC) ...of bands form: type A corres- ponds to the continuous propagation of a plastic front along the specimen, type B corresponds to a ...
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A Re-examination of the Portevin-Le Chatelier Effect in Alloy 718 in Connection with Oxidation-Assisted Intergranular Cracking
... E. Relation with Intergranular Cracking The fracture mode sharp transition previously iden- tified in this alloy fits with the boundary between DSA and inverse behavior domain. This experimental fact might be explained as ...
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A Re-examination of the Portevin-Le Chatelier Effect in Alloy 718 in Connection with Oxidation-Assisted Intergranular Cracking
... E. Relation with Intergranular Cracking The fracture mode sharp transition previously iden- tified in this alloy fits with the boundary between DSA and inverse behavior domain. This experimental fact might be explained as ...
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Influence of Portevin-Le Chatelier effect on rupture mode of alloy 718 specimens
... constant loading machine, with a constant stress rate of 1.5 MPa s ÿ1 . At this strain rate, plastic deformation bands propagate during the test. The fracture surface is fully ductile even if, thanks to the ...
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Extraction of optimal spectral bands using hierarchical band merging out of hyperspectral data
... adjacent bands are often very correlated to each ...spectral bands of a hyperspectral data ...adjacent bands according to conditional mutual infor- mation, and then perform band selection with the ...
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Representing uncertainty by possibility distributions encoding confidence bands, tolerance and prediction intervals
... In 1978, Zadeh introduced the possibility theory [31] as an extension of his theory on fuzzy sets. Possibility theory offers an alternative to the probability theory when dealing with some kinds of uncertainty. ...
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Role of discrete intra-granular slip bands on the strain-hardening of polycrystals
... slip bands occurring in the micro-plastic regime of polycrystalline metals are modeled by discrete periodic distributions of coplanar flat ellipsoidal plastic inclusions (oblate ...slip bands con- strained ...
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Classification of critical points in energy bands based on topology, scaling, and symmetry
... Under perturbation h < 0, it will split into 27 ordinary critical points: one ordinary maximum at origin, six ordinary saddle points with I = +1 at three axes, 12 ordinary saddle poin[r] ...
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Line intensities for the ν6 and 2ν3 bands of methyl iodide (12CH3I)
... 3 bands of CH 3 I at 11 µm, which should be useful for the possible detection of this species by the future IASI-NG satellite instrument (Infrared Atmospheric Sounding Interferometer New Generation), now under ...
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Similarities of the RBM and D Raman bands in double wall carbon nanotubes
... ranging from 1.7 to 4.5 eV. This energy shift as a function of excitation energy has been explained by Thomsen et al. by defect induced double resonance processes [5]. The D band is also observed for ion implanted HOPG ...
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Selection of the most efficient wavelength bands for discriminating weeds from crop
... 9 May 2006 25 Dry 6 220,771 130,255 2.3. Data pre-processing A preliminary step of the data analysis was to extract plant (crop and weed) pixels from the multispectral images and discard the background (soil and parts of ...
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Construction and performance of antenna couplers for L, S, X, and K̳u-bands
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Statistical approach to the optimisation of the technical analysis trading tools: trading bands strategies
... characterized “by appropriate sequences of local minima and/or maxima” 9 , that lead to non- linear prediction problems (Neftci, 1991). As the result, he believes that technical analysis can improve the forecasts of the ...
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On the formation of adiabatic shear bands in titanium alloy Ti17 under severe loading conditions
... shear bands are quasi- systematically ...shear bands are always oriented with an angle of ±45 ◦ with respect to the compression ...shear bands are formed are summarized in Table ...
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Coherent and incoherent bands in La and Rh doped Sr$_3$ Ir$_2$ O$_7$
... in (c)]. smaller weight than in the pure and Rh-doped cases. The much larger width is not simply due to the higher binding energy, as the peak in J = 3/2 remains relatively narrow despite its higher binding energy [full ...
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Superdeformed rotational bands in the mercury region; a cranked Skyrme-Hartree-Fock-Bogoliubov study
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Demodulation of aggregated RF Signal in three Frequencies bands with a Unique Rx Chain
... demodulator and a LO frequency equals approximately to the half of both carrier frequencies [4], [5]. However, in the case where the number of aggregated frequency bands is upper than 2, these solutions become ...
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Intensity variations of ultraviolet, visible, and near infrared bands of terrestrial solar radiation
... Therefore an integrating actinometer was employed to deter- mine the diurnal and seasonal variations in intensity of ultraviolet, visible, and near infrared bands [r] ...
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A comparison of indoor channel properties in V and E bands
... Abstract—This paper presents wideband channel measure- ments in an office environment in the 62 GHz and 83 GHz frequency bands. Measurements were performed with a VNA and the mechanical steering of directive ...
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