Effect of Thermal Mismatch Stress on Thermal Expansion Behaviors of Al18B4O33w/Al Composite Containing Fe3O4 Particle
The thermal expansion behaviors of aluminum borate whisker and Fe3O4 reinforced pure aluminum matrix composite with different thermal treatments were studied. Using transmission electron microscopy (TEM) the microstructures of the composite were investigated. The results indicated that the thermal expansion coefficient of the new composite was low. It can be found that the thermal expansion coefficient of as-cast composite is much lower than that of quenched and annealed composites. On the basis of phase transformation analysis of Fe3O4 particles in the composite, the mechanism of low CTE of the composite was discussed.
Sabine Denis, Takao Hanabusa, Bob Baoping He, Eric Mittemeijer, JunMa Nan, Ismail Cevdet Noyan, Berthold Scholtes, Keisuke Tanaka, KeWei Xu
G. Li and W. D. Fei, "Effect of Thermal Mismatch Stress on Thermal Expansion Behaviors of Al18B4O33w/Al Composite Containing Fe3O4 Particle ", Materials Science Forum, Vols. 490-491, pp. 558-563, 2005