Interlaminar Fracture Toughness in a Composite Laminate Calculator

Interlaminar Fracture Toughness is a Resistance to crack propagation between laminate layers.The formula is given by:

Where:

• KIc​ is the interlaminar fracture toughness.
• Pc​ is the critical load required to propagate a crack.
• $B$ is the width of the specimen.
• $h$ is the thickness of the laminate.