The Scientific World Journal / 2014 / Article / Fig 3

Research Article

Heat Removal from Bipolar Transistor by Loop Heat Pipe with Nickel and Copper Porous Structures

Figure 3

Microscopic pictures of the sintered structures from nickel powders. (a) Grain size of 10 μm, sintering temperature of 600°C, and sintering time of 30 min. (b) Grain size of 25 μm, sintering temperature of 600°C, and sintering time of 30 min. (c) Grain size of 10 μm, sintering temperature of 600°C, and sintering time of 90 min. (d) Grain size of 25 μm, sintering temperature of 600°C, and sintering time of 90 min.
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(a)
724740.fig.003b
(b)
724740.fig.003c
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724740.fig.003d
(d)

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