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摘要
The morphology changes of cyclic diblock polymer microphases under simple shear were studied. via DPD technique. For LAM, parallel reorientation and parallel-perpendicular orientation transition phenomena were reproduced. Moreover, the undulation instability was observed. For PL, PL-HEX transition occurs under a strong shear. For HEX, parallel reorientation was identified. A two stage reorientation mechanism involving break-up and phase reformation was proposed to describe the reorientation process for both LAM and HEX, and the PL-HEX transition. For BCC phase, shear-induced melting was found.
- 出版日期2007-3
- 单位吉林大学
