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임종국,박종건 ( J . K . Rhim,J . K . Park ) 한국열처리공학회 1993 熱處理工學會誌 Vol.6 No.3
Creep tests of the TiC particulate reinforced Al composite have been conducted in the temperature ranges from 200 to 500℃, The steady-state cree rate of the composite depended strongly on the temperature and applied stress. The stress exponent for the steady state creep rate of the composites was approximately 17.5 and the activation anergy was calculated to be 390KJ/㏖. The steady-state creep equation could be written ε`_(ss)(s^(-1))=1.5×10^(-9) σ^(17.5)exp(-390000/RT). Fracture surface examination showed that the fracture mode of the particulate reinforced composite was ductile by plastic tearing of the aluminum matrix and TiC particle interfaces were offered as sites for crack.