Deformation and Fracture Behavior of 7039 Al Reinforced with B4C Particles at Elevated Temperature


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The elevated temperature deformation and fracture behavior of an 10vol%B4CP/7039 aluminum matrix composite plate was investigated by uniaxial tensile tests at temperatures ranging from573 to 773 K and at initial strain rates from 1x10-1 to 1x10-4s-1.The strain rate sensitivity exponent was found to be approximately 0.1-0.15 which was below that of a superplastic material. A maximum elongation of 116% was obtained at an initial strain rate of 10-1 s-1 and at a temperature of 773 K.



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Edited by:

Di Zhang, Jingkun Guo and Chi Y. A. Tsao




C. Z. Nie et al., "Deformation and Fracture Behavior of 7039 Al Reinforced with B4C Particles at Elevated Temperature", Key Engineering Materials, Vol. 351, pp. 65-69, 2007

Online since:

October 2007




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