The Study of Magnetorheology of Iron Oxide Nanowires

Figure 15

(a)~(c) The TEM images of a MR fluid containing 12 wt% Fe₃O₄ nanowires, which were stored at various periods of time: (a) 1 month, (b) 2 months, and (c) 3 months.

(a)

(b)

(c)