ISO 15024:2023 — Mode I interlaminar fracture toughness (GIC) using DCB testing

← Back to all standards

ISO 15024 is the test method for the Mode I interlaminar fracture toughness of unidirectional fibre-reinforced composites. To match this to your program, talk with our team.

What ISO 15024 Covers

It measures the Mode I fracture toughness (G_IC), the energy to propagate an opening delamination, a central damage-tolerance property.

How the Test Is Run

A double-cantilever-beam specimen with a starter crack is loaded to open the crack while load, displacement, and crack growth are recorded, and G_IC is calculated.

Why It Matters

Mode I toughness underpins composite damage tolerance; accurate load, displacement, and crack tracking are required.

Reading the Designation

Cited as ISO 15024 with its edition. Confirm the version and specimen or fixture requirements before finalizing setup. To configure a composite testing setup, request a quote.

Related Standards

ASTM D5528 is the ASTM Mode I method and EN 6033 is the aerospace Mode I method.

Request a Quote

Setting up Mode I fracture toughness testing to ISO 15024? Request a quote and our team will help you build a system matched to your laminate layup and fixturing.


TensileMill CNC products for ISO 15024

Our specimen-preparation systems and testing equipment compatible with ISO 15024:


Get ready for ISO 15024 with TensileMill CNC

From specimen preparation to the test itself, TensileMill CNC supports the full ISO 15024 testing chain. That typically means universal testing machines with composite grips and fixtures for tension, compression, and shear coupons. Send us your specimen types and target standards, and we will help you spec the right system.