Effect of Thermal Mismatch Stress on Thermal Expansion Behaviors of Al18B4O33w/Al Composite Containing Fe3O4 Particle

2005 ◽  
pp. 558-563
Author(s):  
Gang Li ◽  
Wei Dong Fei
Keyword(s):  
Thermal Expansion ◽  
Thermal Mismatch ◽  
Al Composite ◽  
Mismatch Stress ◽  
Thermal Mismatch Stress

Thermal-mismatch-stress induced deformation zone on primary-carbide/austenite interface

2019 ◽  
Vol 248 ◽  
pp. 55-59 ◽  
Author(s):  
Sha Liu ◽  
Zhijie Wang ◽  
Jing Guo ◽  
Zhijun Shi ◽  
Xuejun Ren ◽  
...  
Keyword(s):  
Deformation Zone ◽  
Primary Carbide ◽  
Thermal Mismatch ◽  
Mismatch Stress ◽  
Thermal Mismatch Stress

Effect of Thermal Mismatch Stress on Thermal Expansion Behaviors of Al18B4O33w/Al Composite Containing Fe3O4 Particle

2005 ◽  
Vol 490-491 ◽  
pp. 558-563
Author(s):  
Gang Li ◽  
Wei Dong Fei
Keyword(s):  
Thermal Expansion ◽  
Thermal Expansion Coefficient ◽  
Expansion Coefficient ◽  
Pure Aluminum ◽  
Aluminum Matrix ◽  
Aluminum Matrix Composite ◽  
Thermal Treatments ◽  
Transmission Electron ◽  
Al Composite ◽  
Mismatch Stress

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.

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