GB/T 46220-2025 Active National standards

GB/T 46220-2025 Test method for mode I fatigue delamination growth onset 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 46220-2025

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: 12 pages

Scope

This document describes the principles, testing equipment, samples, testing conditions, testing procedures, calculations, and test reports for the Type I fatigue delamination expansion initiation test of fiber-reinforced plastic composites.
This document is applicable to the determination of the Type I fatigue delamination expansion initiation performance of unidirectional fiber-reinforced plastic composites. The determination of the Type I fatigue delamination expansion initiation performance of two-dimensional fabrics and multidirectional fiber-reinforced plastic composites should be carried out in accordance with the guidelines.

Development Information

Word Count: 13 Thousand words Pages: 12 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 28891-2012 Fibre-reinforced plastic composites—Determination of modeⅠinterlaminar fracture toughness GIC for unidirectionally reinforced materials

Related Standards

GB/T 2843-1981 Abolished

GB/T 2843-1981 The method of tempered glass impact test ( 227g steel ball test)

Publish Date: 1981-12-26

GB/T 3139-1982 Replaced

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Publish Date: 1982-07-13

GB/T 3854-1983 Replaced

GB/T 3854-1983 Test method for hardness of fiber reinforced plastics by means of a Barcol impressor

Publish Date: 1983-09-14

GB/T 3855-1983 Replaced

GB/T 3855-1983 Test method for resin content of carbon fiber reinforced plastics

Publish Date: 1983-09-14

GB/T 3856-1983 Replaced

GB/T 3856-1983 Test method for compression properties of unidirectional fiber reinforced plastics

Publish Date: 1983-09-14

GB/T 6011-1985 Replaced

GB/T 6011-1985 Test method for flammability characteristics of fiber-reinforced plastics—Incandescent rod method

Publish Date: 1985-05-24