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The modulus of sample 1 was higher than that of sample 2, while sample 1 revealed a lower internal friction than sample 2, which may be related to the different microstructures of the two samples.  There were more defects in the sample 1 comparing with  sample 2, and it was calculated that the maximum modulus caused by defects is 2E11.

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RXMCDM: ½ð±Ò+1, ¶àлӦÖú£¡ 2014-07-26 00:12:35
wxqtjw: ½ð±Ò+5, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2014-07-28 12:24:26
Even though the modulus of sample 1 was higher than that of sample 2, sample 1 exhibited a lower internal friction than sample 2. The possible explanation was due to the different microstructures of the two samples.  There were more defects in sample 1 than those in sample 2 and the calculated maximum modulus caused by defects was 2E11.
2Â¥2014-07-25 13:12:15
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RXMCDM: ½ð±Ò+1, ¶àлӦÖú£¡ 2014-07-26 00:12:22
wxqtjw: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2014-07-28 12:24:30
Sample 1 has higher modulus, yet lower internal friction than Sample 2. This can be due to the different microstructures of the two samples. Compared with Sample 2, there are more defects in Sample 1. The maximum modulus resulted from the defects is calculated to be 2E11.
3Â¥2014-07-25 22:04:14
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