| Damping property of piezoelectric IIR |
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| DOI： |
| Key Words: piezoelectric IIR；piezoelectric ceramic powder；acetylene black；damping property |
| Author Name | Affiliation | | LI Xi-chuan | Harbin Engineering University | | WANG Xiang | Harbin Engineering University |
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| Abstract: |
| The damping property of piezoelectric IIR filled with PZT piezoelectric ceramic powder and acetylene black was investigated.The results showed that tanδ of piezoelectric IIR increased at first，and then decreased with the increase of the addition level of PZT piezoelectric ceramic powder.Tanδ of the material increased in the beginning，and kept stable as the polarized temperature rose，polarized voltage increased and time extended.The optimized conditions for preparing piezoelectric IIR were as follows：acetylene black 8 phr，PZT piezoelectric ceramic powder 80 phr，polarized temperature 80 ℃，polarized voltage 55 kV，time 35 min. |
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