GB/T 46222-2025 Active National standards

GB/T 46222-2025 Test method for mixed mode Ⅰ-Ⅲ interlaminar fracture toughness of fiber-reinforced plastic composites

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46222-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Fiber-reinforced composites

ICS Name: Enhanced plastics

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 20 pages

Scope

This document describes the principles, samples, testing equipment, testing conditions, testing procedures, result calculation, and testing reports for determining the fracture toughness of fiber-reinforced plastic composites with Type I-III hybrid layers.
This document is applicable to the determination of the fracture toughness of fiber-reinforced plastic composite laminates prepared by the hot press molding process of prepregs. Samples of fiber-reinforced composite laminates prepared by other molding processes may be used for reference.

Development Information

Word Count: 23 Thousand words Pages: 20 pages

Referenced Standards

GB/T 1446-2005 Fiber-reinforced plastics composites—The generals for determination of properties GB/T 3961-1993 Terms for fiber reinforced plastics GB/T 3961-2009 Terms for fibre reinforced plastics GB/T 28889-2012 Test method for in-plane shear properties of composite materials GB/T 28891-2012 Fibre-reinforced plastic composites—Determination of modeⅠinterlaminar fracture toughness GIC for unidirectionally reinforced materials GB/T 38537-2020 Ultrasonic testing method for fiber reinforced resin matrix composites—C-scan method GB/T 41762.1-2025 Fibre-reinforced plastic composites—Determination of laminate through-thickness properties—Part 1:Direct tension and compression tests GB/T 46221-2025 Test method for mode Ⅲ interlaminar fracture toughness of fiber-reinforced plastic composites

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