نتایج جستجو برای: coercivity field
تعداد نتایج: 788311 فیلتر نتایج به سال:
This paper presents a novel variable flux memory motor (VFMM) with series–parallel configuration that employs constant-magnetization permanent magnet (CPM) high coercivity and variable-magnetization (VPM) low coercivity. The CPMs in the proposed VFMM are arranged parallel. Therefore, they share an air gap. Meanwhile, VPMs series respect to CPMs, as well each other. CPM-induced magnetic field no...
this research study aimed to investigate the relationship between field-dependence/independence cognitive style and vocabulary learning strategies among iranian efl learners. ninety participants majoring in english translation at arak university were chosen. the participants were classified into two groups of field-dependent and independent based on the results of group embedded figure test (ge...
In this note we prove compactness for the Cahn-Hilliard functional without assuming coercivity of the multi-well potential.
The high-temperature coercivity of mechanically alloyed and subsequently annealed RCo5 (R= Sm and Y) is studied. The annealed materials have the hexagonal CaCu5 structure with 2 : 17 (or 1 : 7) regions as a minor phase. High-temperature magnetic measurements show that the coercivities of materials decrease with increasing temperature from room-temperature to 873 K, but that the temperature coef...
The effect of maghemization on the magnetic properties of magnetite (Fe3O4) grains in the pseudo-single-domain (PSD) size range is investigated as a function of annealing temperature. X-ray diffraction and transmission electron microscopy confirm the precursor grains as Fe3O4 ranging from 150 to 250 nm in diameter, whilst M€ ossbauer spectrometry suggests the grains are initially near-stoichiom...
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