MTS Axial Extensometers User Manual
Page 61
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Installation
61
Contact force
Determining the specimen contact force when using elastic bands is
difficult.
•
Greater contact force will provide a more secure attachment under
conditions where slippage may occur such as operating at high
cyclic frequencies. The knife edges can damage the specimen at
high contact forces.
•
Less contact force will reduce the possibility of damage to soft
specimens; however, the possibility of slippage increases.
The disk attachment is for
narrow, flat specimens.
The wireform attachment is
for wide, flat specimens.
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