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Study on Internal Friction of Dislocation Density in Bake-Hardening Steel
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Abstract
This study investigates internal friction of dislocation density in bake-hardening steel. The experiment was conducted as follows: pre-deformation being set at 2%, 5% and 10% with the baking set at 170°C×20min. The curve of internal friction and the configuration of transmissivity were also observed. It can be concluded that with the increase of the pre-deformation value, the Snoek peak of the experimental steel decreased. Moreover, both of the SKK peak and the dislocation density grew at first and then dropped. It is noted that while the pre-deformation was set at 5%, its SKK value and the dislocation density reached their respective peak value, whereas both decreased while the pre-deformation at 2% and 10%. This study investigates the changing mechanisms of dislocation density in bake-hardening steel in relation to different degree of pre-deformation.
Title: Study on Internal Friction of Dislocation Density in Bake-Hardening Steel
Description:
Abstract
This study investigates internal friction of dislocation density in bake-hardening steel.
The experiment was conducted as follows: pre-deformation being set at 2%, 5% and 10% with the baking set at 170°C×20min.
The curve of internal friction and the configuration of transmissivity were also observed.
It can be concluded that with the increase of the pre-deformation value, the Snoek peak of the experimental steel decreased.
Moreover, both of the SKK peak and the dislocation density grew at first and then dropped.
It is noted that while the pre-deformation was set at 5%, its SKK value and the dislocation density reached their respective peak value, whereas both decreased while the pre-deformation at 2% and 10%.
This study investigates the changing mechanisms of dislocation density in bake-hardening steel in relation to different degree of pre-deformation.
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