Tongue and Trapezoidal Tear Methods
topic
Tongue tear uses two fabric legs pulled in opposite directions from a central cut, while trapezoidal tear clamps a trapezoid-shaped specimen to concentrate stress; both methods yield force-extension curves that reveal yarn pull-out, weave crimp interchange, and fibre failure sequences.
Role
Provides fabric-architecture-specific tear data for coated technical textiles, airbag fabrics, and protective clothing, informing weave density and yarn linear density optimisation decisions.
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