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They raise the problem of "weak link", but is it possible to improve inter-grain weak links by Ag nano-particles addition. In the referee's understanding, the direction of all the crystalline grains is not oriented in the samples, and no measurements have been made to assess them, so it is impossible to argue for weak link improved.
Yes, I think it is possible to examine the weak link effect by SEM images of the samples without measurement of crystalline grains.
The weak link effect is a phenomenon that occurs in materials with multiple crystalline grains. When the grains are not aligned, there can be weak spots in the material where the current can flow more easily. These weak spots can be seen in SEM images as areas of low conductivity. Ag Np addition can improve the week line pathway by enhancing the conductivity.
Yes, I think it is possible to examine the weak link effect by SEM images of the samples without measurement of crystalline grains. The weak link effect is a phenomenon that occurs in materials with multiple crystalline grains.
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