Ramachandra, P. and Ramani, R. and Ramgopal, G. and Ranganathaiah, C. and Murthy, N.S. (1998) Effect of stress on the free volume content of poly(chlorotrifluoroethylene). Polymer, 39 (13). pp. 2987-2990.
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The effect of stress (hydrostatic compression) on the free volume of poly(chlorotrifluoroethylene) has been investigated using the positron annihilation lifetime (PAL) technique in the pressure range of 0-14 kbar at room temperature. The variation of the annihilation parameters indicates that the free volume compression occurs at a higher pressure (>8 kbar) compared to molecular compression (4 kbar). The measured free volume size decreases from 95 to 73 Angstrom(3) under the influence of compression. The results also indicate a crystalline-amorphous transformation. The free volume compressibility (beta(f)) is found to be maximum around 9 kbar (10(-3) atm(-1)). (C) 1998 Elsevier Science Ltd. All rights reserved.
| Item Type: | Article |
|---|---|
| Subjects: | D Physical Science > Physics |
| Divisions: | Department of > Physics |
| Depositing User: | Users 23 not found. |
| Date Deposited: | 07 Jun 2021 04:52 |
| Last Modified: | 07 Jun 2021 04:52 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/16714 |
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