Effect of mechanical stress on magnetic properties of an exchange-biased ferromagnetic/antiferromagnetic bilayer deposited on a flexible substrate is investigated. The hysteresis loops with different magnitudes and or...Effect of mechanical stress on magnetic properties of an exchange-biased ferromagnetic/antiferromagnetic bilayer deposited on a flexible substrate is investigated. The hysteresis loops with different magnitudes and orientations of the stress can be classified into three types. The corresponding physical conditions for each type of the loop are deduced based on the principle of minimal energy. The equation of the critical stress is derived, which can judge whether the loops show hysteresis or not. Numerical calculations suggest that except for the magnitude of the mechanical stress, the relative orientation of the stress is also an important factor to tune the exchange bias effect.展开更多
The dehydration of a paper mass in an initial zone of forming of grid desktop of the paper machine is accompanied by origin of impulses of pressure and vacuum - impulse for want of interaction dewatering of elements w...The dehydration of a paper mass in an initial zone of forming of grid desktop of the paper machine is accompanied by origin of impulses of pressure and vacuum - impulse for want of interaction dewatering of elements with a grid presenting to vertical displacements a grids and origin in a stream of pressure oscillations, dispersing a paper mass.展开更多
基金Supported by the Youth Science Foundation of Shanxi Province under Grant No 2013021010-3the National Natural Science Foundation of China under Grant Nos 61434002 and 11404202
文摘Effect of mechanical stress on magnetic properties of an exchange-biased ferromagnetic/antiferromagnetic bilayer deposited on a flexible substrate is investigated. The hysteresis loops with different magnitudes and orientations of the stress can be classified into three types. The corresponding physical conditions for each type of the loop are deduced based on the principle of minimal energy. The equation of the critical stress is derived, which can judge whether the loops show hysteresis or not. Numerical calculations suggest that except for the magnitude of the mechanical stress, the relative orientation of the stress is also an important factor to tune the exchange bias effect.
文摘The dehydration of a paper mass in an initial zone of forming of grid desktop of the paper machine is accompanied by origin of impulses of pressure and vacuum - impulse for want of interaction dewatering of elements with a grid presenting to vertical displacements a grids and origin in a stream of pressure oscillations, dispersing a paper mass.