GB/T 41932-2022 in English
VALIDPlastics—Determination of fracture toughness (GIC and KIC)—Linear elastic fracture mechanics (LEFM) approach
- Issued on:2022-12-30
- Implemented on:2023-04-01
- File Format:PDF
- Delivery:Via email within 5 business days
$301.00
《GB/T 41932-2022塑料 断裂韧性（GIC和KIC）的测定 线弹性断裂力学（LEFM）法》由TC15（全国塑料标准化技术委员会）归口，TC15SC4（全国塑料标准化技术委员会通用方法和产品分会）执行，主管部门为中国石油和化学工业联合会。
Introduction
Overview of GB/T41932-2022 Plastic Fracture Toughness Determination Standard
This standard specifies in detail the test method for determining the fracture toughness of plastic materials by linear elastic fracture mechanics under given conditions and crack opening mode (mode I). It is applicable to rigid and semi-rigid thermoplastic and thermosetting molding materials.
Comparison of standard frameworks
| Dimensions | GB/T41932-2022 | ISO13586:2018 | Difference analysis |
|---|---|---|---|
| Test methods | Three-point bending test and compact specimen tensile test | Same | Symbol chapter added for easier understanding by operators |
| Reference standards | GB/T1040.1, GB/T1041, etc. | ISO5271, ISO604, etc. | Some referenced documents updated to adapt to Chinese technical conditions |
| Scope of application | Plastic materials containing short fibers (length ≤ 7.5mm) | Excluding short fiber materials | Added test provisions for materials containing short fibers |
Standard formulation background and technological evolution analysis
GB/T41932-2022 is mainly based on ISO13586:2018, and has been revised in many places according to China's actual situation. These revisions include:
- Added a symbol chapter to help operators quickly understand the standard content
- Replaced or updated several international reference standards with domestic equivalent documents
- Detailed requirements for test equipment and environment
- Added test requirements for plastic materials containing short fibers
Implementation Recommendations
To ensure the effective implementation of the standard, it is recommended that:
- Prepare specimens and calibrate equipment in strict accordance with standard requirements
- Establish a standardized test environment and data recording process
- Strengthen professional training for operators
- Perform regular maintenance and calibration of equipment
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