Based on the study of strain distribution in short fiber/whisker reinforced metal matrix composites, a deformation characteristic parameter λ is defined as the ratio of the root mean square strain of reinforcers to t...Based on the study of strain distribution in short fiber/whisker reinforced metal matrix composites, a deformation characteristic parameter λ is defined as the ratio of the root mean square strain of reinforcers to the macro linear strain along the same direction. Quantitative relation between λ and microstructure parameters of the composite is obtained. As an example of applying and verifying λ , the stress strain curve of [AlBO]w/Al composite under tensile loading is predicted and favorably compared with experiments. By using λ , the stiffness modulus of the composite with arbitrary reinforcer orientation under any loading condition is predicted from the microstructure parameters of material.展开更多
基金National Natural Science Foundation of China (19872 0 6 5 19732 0 6 0 ) Chinese Academy of Sciences Foundation (KJ95 1-1-2
文摘Based on the study of strain distribution in short fiber/whisker reinforced metal matrix composites, a deformation characteristic parameter λ is defined as the ratio of the root mean square strain of reinforcers to the macro linear strain along the same direction. Quantitative relation between λ and microstructure parameters of the composite is obtained. As an example of applying and verifying λ , the stress strain curve of [AlBO]w/Al composite under tensile loading is predicted and favorably compared with experiments. By using λ , the stiffness modulus of the composite with arbitrary reinforcer orientation under any loading condition is predicted from the microstructure parameters of material.
