GB/T 12000-1989
Replaced
GB/T 47549-2026
Pending
National standards
GB/T 47549-2026 Plastics—Determination of fracture toughness—J-R curves approach
GB/T 47549-2026 Plastics—Determination of fracture toughness—J-R curves approach
Basic Information
Standard Code:
GB/T 47549-2026
Standard Type:
National standards
Standard Status:
Pending
is_force_gb:
no
CCS Name:
Basic standards and general methods for synthetic resins and plastics
ICS Name:
Plastic Composite
Publish Date:
2026-04-30
Implement Date:
2026-11-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国塑料标准化技术委员会(SAC/TC 15)
Pages:
32 pages
Scope
本文件描述了根据J-R曲线测定塑料断裂韧性的方法。
本文件适用于韧性和半韧性聚合物及其共混物，但不适用于无法区分裂纹前沿与裂纹尖端塑性变形的材料。
本文件不适用于纤维增强材料。
注：无法通过GB/T 41932线弹性断裂力学法表征的耐裂纹扩展能力，用本方法得到的J-R曲线表征。
Development Information
Drafting Units:
中石化(北京)化工研究院有限公司、安徽天路新材料股份有限公司、丰得行(厦门)智能科技有限公司、中蓝晨光成都检测技术有限公司、深圳市骏鼎达新材料股份有限公司、香港科技大学(广州)、赣州恒信塑业有限公司、资阳众诺诚塑料制品有限责任公司、宁波方正汽车部件有限公司、宁波美琪工具有限公司 、哈敏吉(宁波)汽车新材料有限公司、重庆科聚孚新材料有限责任公司、江苏中通管业有限公司、江西省方兆科技有限公司、江苏星光发电设备有限公司、宁波瑞隆新材料科技有限公司、东莞市惟思德科技发展有限公司、宁波泰甬汽车零部件有限公司
Drafting Persons:
刘云鹏、独特、钟祥文、张彦君、潘强、吕冬、者东梅、刘张硕、曾令章、徐向阳、杨国平、葛碧霞、陈鹏、刘小林、吴佳妮、张海明、顾国庆、王波、章文福、李文斌
Referenced Standards
GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing
GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing
GB/T 12160-2002 Calibration of extensometers used in uniaxial testing
GB/T 12160-2019 Metallic materials—Calibration of extensometers systems used in uniaxial testing
GB/T 16825.1-2002 Verification of static uniaxial testing machines—Part 1:Tension/compression testing machines—Verification and calibration of the force-measuring system
GB/T 16825.1-2008 Verification of static uniaxial testing machines—Part 1:Tension/compression testing machines—Verification and calibration of the force-measuring system
GB/T 16825.1-2022 Metallic materials—Calibration and verification of static uniaxial testing machines—Part 1:Tension/compression testing machines—Calibration and verification of the force-measuring system
GB/T 39812-2021 Plastics—Preparation of test specimens by machining
GB/T 41932-2022 Plastics—Determination of fracture toughness(GIC and KIC)—Linear elastic fracture mechanics (LEFM) approach
GB/T 44535-2024 Plastics—Determination of linear dimensions of test specimens
Adopt standards
ISO/TS 28660:2022
Related Standards
GB/T 15585-1995
Abolished
GB/T 15585-1995 Determination of shrinkage for injection moulding thermoplastics
GB/T 15596-1995
Replaced
GB/T 15596-1995 Plastics—Determination of changes in Color and variations in properties after exposure to daylight under glass, natural weathering or artificial light
GB/T 15598-1995
abolished_transferred
GB/T 15598-1995 Testing methods for shear strength of plastics by punch tool
GB/T 1843-1996
Replaced
GB/T 1843-1996 Plastics—Determination of izod impact strength
GB/T 2035-1996
Replaced