Home / Standards / GB/T 46201-2025 GB/T 46201-2025 Active Fiber reinforced composites—Determination of mixed mode I-mode II interlaminar fracture toughness of unidirectional reinforced materials 纤维增强复合材料 单向增强材料Ⅰ型-Ⅱ型混合层间断裂韧性的测定 Standard Type GBT ICS 83.120 CCS Q23 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A