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Solidification characteristics of the remnant liquid in a sheared semisolid slurry of Sn-15 wt.%Pb alloy is reported. A high shear rate and shear duration combination may promote fine spherical morphology of the secondary solidification product. Resting prior to solidification following shearing appears to wear off the effects of shearing.
A systematic assessment of the grain size dependence of ductile fracture toughness has been made using available experimental data from various metals and alloys. Based on this assessment the following semiempirical equation has been proposed: K IC = K IC ° + k F d -1 where K IC ° andk F are experimental constants and d is the average...
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