scholarly journals Theoretical investigation of the thermal expansion coefficients of unidirectional carbon fiber composites.

1989 ◽  
Vol 38 (426) ◽  
pp. 307-311 ◽  
Author(s):  
Tetsuyuki KYONO ◽  
Kiyohisa TAKAHASHI
Keyword(s):  
Thermal Expansion ◽  
Carbon Fiber ◽  
Theoretical Investigation ◽  
Fiber Composites ◽  
Carbon Fiber Composites ◽  
Thermal Expansion Coefficients ◽  
Expansion Coefficients

Thermal Expansion Coefficients and Thermal Stresses in an Aligned Short Fiber Composite With Application to a Short Carbon Fiber/Aluminum

1985 ◽  
Vol 52 (4) ◽  
pp. 806-810 ◽  
Author(s):  
Y. Takao ◽  
M. Taya
Keyword(s):  
Thermal Expansion ◽  
Thermal Stress ◽  
Carbon Fiber ◽  
Thermal Stresses ◽  
Short Fiber ◽  
Short Carbon Fiber ◽  
Thermal Expansion Coefficients ◽  
Equivalent Inclusion Method ◽  
Expansion Coefficients ◽  
Short Carbon

A formulation to compute the effective thermal expansion coefficients (αc) of an anisotropic short fiber-reinforced composite and the thermal stress (σ) induced in and around the fiber is developed. The formulation is based on the Eshelby’s equivalent inclusion method. Main emphasis is placed on short Carbon fiber/Aluminum. The thermal stress due to a uniform temperature rise ΔT is computed at points just outside the fiber. The effects of various parameters on αc and σ are also investigated.

scholarly journals Theoretical Investigation of Thermal Expansion Coefficients of SiC Reinforced Copper Matrix Composites

2020 ◽  
Vol 2 (2) ◽  
pp. 22
Keyword(s):  
Thermal Expansion ◽  
Thermal Expansion Coefficient ◽  
Theoretical Investigation ◽  
Pure Copper ◽  
Copper Matrix ◽  
Electronics Industry ◽  
Matrix Composites ◽  
Thermal Expansion Coefficients ◽  
Turner Model ◽  
Expansion Coefficients

The thermal expansion coefficient (CTE) of the copper element, which is widely used in the electronics industry, is quite high. It is of great importance to decrease the CTE value in order not to deform against the heat it is exposed to. In this study, it is aimed to theoretically examine the changes in CTE value when SiC supplement is applied to pure copper. For this purpose, CTE value calculations were made according to Kerner and Turner's models for composites that were reinforced at different rates by volume. Sample studies in the literature have been utilized for percent component ratios. In this context, the amount of reinforcement was adjusted to be 5, 10, 15, and 20vol.% by volume. According to the findings, it was observed that there was ̴ %4-17 decrease in CTE value based on the Kerner model and ̴ %7-26 decrease based on the Turner model.

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