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摘要
The effects of FSP (friction stirring processing) on microstructure and properties of the Al3Zr/6063Al composite were investigated, which was obtained in 6063-5wt%(K2ZrF6) system. OM, XRD and SEM were used to observe the morphology, distribution and dimensions of in-situ Al3Zr particles, and then the properties were analyzed. It is found that reinforcement particles of the composite are finer and more uniform after FSP; matrix grains crush and grain shape changes; tensile strength and elongation become larger; the composite shows superplastic deformation, especially when the deformation temperature is 500 degrees C and strain rate 1.67x10(-2) s(-1), it achieves 348.16% elongation rate.
- 出版日期2014-7
- 单位江苏大学
