Standard No.:	GB/T 45471-2025E
English Name:	Test method for mode Ⅲ interlaminar fracture toughness of carbon fiber reinforced composite materials—Edge crack torsion method
Chinese Name:	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（英文版）
Chinese Classification:	Q53    Special carbon material
Professional Classification:	GB    National Standard
ICS Classification:	59.100.20 59.100.20    Carbon materials 59.100.20
Source Content Issued by:	SAMR; SAC
Issued on:	2025-03-28
Implemented on:	2025-10-1
Status:	valid
Target Language:	English
File Format:	PDF

本文件描述了碳纤维增强复合材料Ⅲ型层间断裂韧性测试方法的原理、试验的仪器设备、试样、试验条件、试验步骤，给出了计算公式和试验报告的编写内容。
本文件适用于碳纤维增强复合材料层合板Ⅲ型层间断裂韧性的测定。