Initial Permeability
Simulation analysis and experimental research on stress concentration of test technique based on initial permeability
... Simulation analysis of test technology based on initial permeability According to the measuring principle of the initial permeability detection technique, the yoke and ferromagnetic work[r] ...
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The effect of precipitation of non-magnetic inclusions on the coercive field and the initial permeability of alpha-iron.
... the initial stages occurs in steps called Barkhausen jumps, where the domain walls move under the influ ence of the applied ...the initial permeability, which are properties of technical ...
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Magnetic Hysteresis and Complex Initial Permeability of Cr3+ Substituted Mn Zn Ferrites
... P = ρ − ρ ρ × . The samples were visualized under a high-resolution optical microscope (Olym- pus DP-70) and then photographed. Average grain sizes of the samples were determined from optical micro- graphs by linear ...
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Structural and Magnetic Properties of Cr3+ Doped Mg Ferrites
... The initial permeability remains almost constant up to a frequency 1 MHz and increases ...observed permeability spectra indicate that the expected resonance peaks are likely to appear at higher ...
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Magnetic Characterization of Amorphous/Nanostructured Phase Evolved in Fe73.5Cu1Mo1.5V1.5Si13.5B9
... of initial permeability by two orders of magnitude and very low value of relative loss factor of the order of 10 -5 has been observed with the variation of annealing temperature, which shows that Fe-based ...
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Effect of Sintering Time on the Structural, Magnetic and Electrical Transport Properties of Mg0 35Cu0 20Zn0 45Fe1 94O4 Ferrites
... higher initial permea- bility is achieved through the control of both the density and microstructure, which depends on the sintering con- ...to initial permeability is mainly due to reversible domain ...
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Synthesis, Structural and Physical Properties of Cu1–xZnxFe2O4 Ferrites
... All the data of the samples were analyzed using com- puter software “X PERT HIGHSCORE”. X-ray diffrac- tion patterns were carried out to confirm the crystal struc- ture, where no extra lines were found indicating the ...
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Structural and Magnetic Properties of Mn0 50 xZn0 50CuxFe2O4
... high permeability, high magnetization, relatively high Néel temperature, low losses, low cost and envi- ronmental ...consequently initial permeability can be enhanced by the substitution of Cu ...
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Study of the Bulk Magnetic and Electrical Properties of MgFe2O4 Synthesized by Chemical Method
... mixed in required molar ratio and added to 8 M NaOH solution with constant stirring at room temperature. The precipitate was heated to 80˚C with constant stirring. When reaction was completed the precipitate was centri- ...
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Non destructive characterisation of N/Al level in P91 steels using electromagnetic sensors
... the initial permeability values for P9 and T22 steels in different heat treatment/ex-service conditions, measured by the EM sensors, increase with the mean free path for domain wall motion approximately by ...
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Osmotic Conditions During the Embryonic and Early Larval Life of the Brook Lamprey (Lampetra Planeri)
... In view of the rate of water uptake by the whole egg it is quite clear that the initial permeability of the outer membranes is altogether greater than that of the surface of the ovum, bu[r] ...
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STRUCTURAL AND MAGNETIC STUDIES OF COBALT SUBSTITUTED NICKEL ZINC FERRITES
... the permeability measurements, it is observed that with increasing cobalt content, the domain wall energy increases and the value of initial permeability μi ...
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Investigations on the Durability Parameters of Different Grades of Concrete
... oxygen) permeability, water permeability, carbonation depth, chloride permeability, and/or resistivity are often conducted to develop correlations among these ...
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The permeability of composite soils
... This study of composite soils shows that they can be either matrix dominated soils in which the fine grained component dictates the engineering behaviour or clast dominated soils in which the coarse grained component ...
24
PERMEABILITY OF DENTINE
... in permeability over time (46). Elsewhere the decrease in permeability due to type of storage medium used was due to dissolution and redeposition of either mineral or organic components of the dentine into ...
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The Relation of Spirostomum Ambiguum to the Hydrogen Ion Concentration (Alkaline Range)
... It is therefore suggested that increased permeability of the cell wall causes the destruction of Spirostomum ambiguum and that, in the present experiments, this increase in permeability [r] ...
13
Prediction of Hemorrhage in Acute Ischemic Stroke Using Permeability MR Imaging
... using permeability MR imaging. Sig- nificantly increased permeability was only found in patients who subsequently developed HT, implying a causal predictive ...then permeability could augment time of ...
5
Quantitative Characterization and Dynamic Law of Interlayer Interference for Multilayer Commingled Production in Heavy Oil Reservoirs by Numerical Simulation
... high permeability and low ...high permeability, medium permeability and low permeability re- servoirs are different in water absorption capacity, water line propulsion speed, formation ...
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A Study on the Thermal Properties Of 100% Modal Fabric
... vapour permeability of fabric samples was determined using an SDL Atlas instrument (M261, USA) according to ISO ...vapour permeability (WVP) in g/m²/day was calculated by the equation; 𝑊𝑊𝑊𝑊𝑊𝑊=24×𝑀𝑀 𝐴𝐴×𝑡𝑡 ...
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Micromagnetic Investigation of Microwave Permeability of Magnetic Artificial Spin Ice
... wave permeability spectra are obtained following the field-pulse processes ...the initial state, the susceptibility is obtained by exciting the system with a small external field having a time dependence ...
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