Thermal Expansion of Al Matrix Composites Reinforced with Hybrid Micro-/nano-sized Al
2
O
3
Particles
Lei Zhibo
1
, Zhao Ke
1
, Wang Yiguang
1,
*
, An Linan
2,
*
Fig. 1. Instantaneous coefficient of thermal expansion as a function of temperature for: a AA-1, b AA-2, c AA-3, d AA-4.