Testing

Question 1

Mode I

Answer 1

Opening mode

Tested with the double cantilever beam (DCB) test. Two piano hinges placed on either side of an insert, and applied load “opens” the specimen.

Question 2

Mode II

Answer 2

Sliding mode

Tested with End Notched Flexure (ENF) Test. Insert is placed inside the laminate. Load is applied to the middle of a simply supported laminate.

Question 3

Mode III

Answer 3

Tearing mode