Sunrise Titanium Technology Co.,Ltd

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Applications

PROPERTIES OF NITINOL

Author: Date:5/16/2012 10:13:59 PM
When Nitinol actuator wire is used as in the guidelines below, it can be expected to last tens of millions of cycles. If it is stressed or overheated due to a higher current, good motion may only be obtained for a few thousand or few hundred cycles, depending upon the severity of the stresses. Care should be taken to adhere to the following current limitations:
Dia
(mm)
Resistance (Ohms/mm)
Maximum Pull Force (gms.)
Approx Current at Room Temp (mA)
Contraction Time
(sec)
Off Time 70ºC (sec)
0.1
0.12
150
180
1
1
0.15
0.05
330
400
1
2.0
0.2
0.03
590
610
1
3.5
0.25
0.02
930
1000
1
5.5
0.3
0.013
1250
1750
1
8.0
0.375
0.008
2000
2750
1
13.0