SYMPOSIA PAPER Published: 01 January 1997
STP11890S

An Extensometer for Soft Material Strain Measurement

Source

The criteria for the design of a device for measuring strain in flexible materials, particularly soft tissues, are described. An extensometer is described which meets the design criteria. The resolution of the extensometer depends on its gage length. With a gage length of 5 mm, a resolution of 20–50 microstrain can easily be obtained. Some preliminary results are presented showing the sensitivity of the results obtained to the contact force between the extensometer and the specimen.

Author Information

Shrive, N
The University of Calgary, Calgary, Alberta, Canada
Damson, E
The University of Calgary, Calgary, Alberta, Canada
Frank, C
The University of Calgary, Calgary, Alberta, Canada
Meyer, R
Transducer Products, MTS Systems Corp., Minnesota, MN, USA
Mejig, L
MTS Systems Corp., Minnesota, MN, USA
Lucas, G
MTS Systems Corp., Minnesota, MN, USA
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Details
Developed by Committee: E08
Pages: 29–40
DOI: 10.1520/STP11890S
ISBN-EB: 978-0-8031-5371-4
ISBN-13: 978-0-8031-2403-5