Fatigue in PZT Thin Films
- PDF / 525,237 Bytes
- 6 Pages / 595 x 842 pts (A4) Page_size
- 46 Downloads / 251 Views
)DWLJXHLQ3=77KLQ)LOPV 96KXU(1LNRODHYD(6KLVKNLQ,%DWXULQ'%ROWHQ2/RKVHDQG5:DVHU ,QVWLWXWHRI3K\VLFVDQG$SSOLHG0DWKHPDWLFV8UDO6WDWH8QLYHUVLW\ /HQLQ$YH(NDWHULQEXUJ5XVVLD ,QVWLWXWIXHU:HUNVWRIIHGHU(OHNWURWHFKQLN5:7+$DFKHQ'$DFKHQ*HUPDQ\
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³IUR]HQ´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±97KHF\FOLQJ IUHTXHQF\IF\FUDQJHGIURP+]WR0+]7KHK\VWHUHVLVORRSV )LJD DQGGHSHQGHQFLHVRI VZLWFKLQJFXUUHQWRQILHOG )LJF DQGRQWLPH )LJG ZHUHPHDVXUHGLQWULDQJXODUZDYHIRUP I ±+]8 ±9 DIWHUDFHUWDLQQXPEHURIVZLWFKLQJF\FOHV0HDVXUHPHQWVDQG F\FOLQJKDYHEHHQGRQHLQWHPSHUDWXUHUDQJH± &XVLQJWKHDL[$&&77)$QDO\]HU
2
CC10.8.1
D
E
F
G
)LJXUH
D +\VWHUHVLV ORRS E YROWDJH GHSHQGHQFH RI
Hc DQG Hcc F YROWDJH GHSHQGHQFH RI VZLWFKLQJ FXUUHQW DQG
G WLPH GHSHQGHQFH RI VZLWFKLQJ FXUUHQW DQG DSSOLHG YROWDJH
5HYHUVLEOHFRPSOH[GLHOHFWULFSHUPLWWLYLW\
Data Loading...
