而对载荷频率与塑性区域尺寸之间关系仅有定性描述。
And the relation between plastic zone size and load frequency is only qualitatively analyzed up to now.
磁信号在弹塑性区域发生变化的主要原因是磁畴在应力作用下的定向分布和位错对磁畴转向的阻碍作用。
The main reason of change in magnetic signal is the directional distribution of the magnetic domain on the stress and the impediment by the dislocation to the domain's turn.
然而，有时我们也能利用塑性变形。汽车上压皱的区域在它们断裂前通过经历塑性变形来吸收能量。
However, sometimes we can take advantage of plastic deformation. The crumple zones in a car absorb energy by undergoing plastic deformation before they break.
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