Abstract
Behaviour of 10–100 μm sized Ag and Ti metal particles was studied by employing laser light scattering microscopy while increasing the temperature at different rates. Differential area ω was defined as 2(Amax−Amin)/(Amax+Amin), and its significance as strain variation response is established. The ω versus dT/dt curves of Ag and Ti were exponential in nature, with positive and negative slopes respectively. The role of smallness of the metal particles vis-à-vis defects was considered. Systematic variation of surface activity Sa with rate of heating is noticed. A plausible reasoning is offered to explain the experimental results qualitatively.
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