A Pb-0.08Ca-2Sn alloy was subjected to rolling at room temperature to different final thicknesses.Annealing treatments at temperature ranging from 80 to 120 °C led to recrystallization of the samples as shown by ...A Pb-0.08Ca-2Sn alloy was subjected to rolling at room temperature to different final thicknesses.Annealing treatments at temperature ranging from 80 to 120 °C led to recrystallization of the samples as shown by resistivity and micro-hardness measurements.The deformation texture determined through X-ray diffraction is qualitatively the Brass type.The measured Lankford anisotropy parameter R and its evolution are close to the determined one using a self consistent approach.The R value evolution with angle to rolling direction shows the presence of planar anisotropy and poor drawability.The recrystallization in annealing at 80-120 °C is achieved within time period up to 3×104 s.The recrystallization texture is a retained deformation texture with an emerging Cube component.展开更多
The density,nature of the dislocations and distribution of the domain sizes in cold-deformed Pb-Ca-Sn solid solution were determined by X-ray diffraction profile analysis.The dislocation densities are of the order of ...The density,nature of the dislocations and distribution of the domain sizes in cold-deformed Pb-Ca-Sn solid solution were determined by X-ray diffraction profile analysis.The dislocation densities are of the order of 1010 cm-2.The strain broadening of diffraction profiles was accounted for by dislocation contrast factor.The coherent domain size was determined by the recently developed PM2K software package.Assuming that the domain size distribution is log-normal,the distribution function（median μ and variance σ） was calculated from the size parameters determined from X-ray diffraction profile analysis.展开更多
文摘A Pb-0.08Ca-2Sn alloy was subjected to rolling at room temperature to different final thicknesses.Annealing treatments at temperature ranging from 80 to 120 °C led to recrystallization of the samples as shown by resistivity and micro-hardness measurements.The deformation texture determined through X-ray diffraction is qualitatively the Brass type.The measured Lankford anisotropy parameter R and its evolution are close to the determined one using a self consistent approach.The R value evolution with angle to rolling direction shows the presence of planar anisotropy and poor drawability.The recrystallization in annealing at 80-120 °C is achieved within time period up to 3×104 s.The recrystallization texture is a retained deformation texture with an emerging Cube component.
文摘The density,nature of the dislocations and distribution of the domain sizes in cold-deformed Pb-Ca-Sn solid solution were determined by X-ray diffraction profile analysis.The dislocation densities are of the order of 1010 cm-2.The strain broadening of diffraction profiles was accounted for by dislocation contrast factor.The coherent domain size was determined by the recently developed PM2K software package.Assuming that the domain size distribution is log-normal,the distribution function（median μ and variance σ） was calculated from the size parameters determined from X-ray diffraction profile analysis.
