For example, the calculated kL at 325 K is 0.39 Wm1 K1,<br>which is close to the experimental value of 0.36 Wm1 K1. Our<br>results conrm that the phonon scattering from precipitates in<br>the composites is the main reason which reduces kL in the<br>composite samples as compared to the matrix.
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