GB/T 45471-2025

Active

Test method for mode Ⅲ interlaminar fracture toughness of carbon fiber reinforced composite materials—Edge crack torsion method

碳纤维增强复合材料Ⅲ型层间断裂韧性的测定 边缘裂纹扭转法

Standard Type
GBT
ICS
59.100.20
CCS
Q 53
Status
Active
Issue Date
2025-03-28
Implementation
2025-10-01
Centralized Committee
国家标准委
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies the edge crack torsion method for determining the Mode III interlaminar fracture toughness of carbon fiber reinforced composite materials. It is applied in the aerospace, automotive, and wind energy industries to evaluate the delamination resistance of laminated composites under out-of-plane shear loading. The test method is used for quality control, material selection, and structural design validation in manufacturing and research settings.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.