GB/T 45474-2025

Active

Test method for mode Ⅱ interlaminar fracture toughness of carbon fiber reinforced composite materials—Three point bending method with end notched

碳纤维增强复合材料Ⅱ型层间断裂韧性的测定 端部切口三点弯曲法

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 test method for determining Mode II interlaminar fracture toughness of carbon fiber reinforced composite materials using the end-notched three-point bending method. It is applied in the aerospace, automotive, and wind energy industries to evaluate the resistance of laminated composites to shear-driven delamination under in-plane loading conditions. The standard is used during material qualification, quality control, and structural design verification for composite components.

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.