| Issue |
MATEC Web Conf.
Volume 275, 2019
1st International Conference on Advances in Civil Engineering and Materials (ACEM1) and 1st World Symposium on Sustainable Bio-composite Materials and Structures (SBMS1) (ACEM2018 and SBMS1)
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|---|---|---|
| Article Number | 01021 | |
| Number of page(s) | 4 | |
| Section | Bio-composite Materials and Structures | |
| DOI | https://doi.org/10.1051/matecconf/201927501021 | |
| Published online | 13 March 2019 | |
Fracture toughness of CTBN modified PF particleboard based on equal deflection rigidity
Materials Science and Engineering, Nanjing Forestry University, 210037 Longpan Road, Nanjing, China
* Corresponding author: zhynjfu@njfu.edu.cn
The fracture toughness of particleboard should be evaluated when it was intended to use in the structure system. Single edge notched beam (SENB) test method was employed to measure stress intensity factor (SIF) of the internal middle layer of the PF and CTBN modified PF particleboard. Equal deflection rigidity algorithm (EDRA) was used to homogenized the sandwich bi-material beam in order to make the test procedure match ASTM E399-2017. The results shown that the optimized CTBN addition was among 8% to 12% and the improve ratio of SIF of the particleboard middle layer was 27.27 %. Owing to the different broken mechanism, the tested fracture performance show more stability compared to the traditional internal bonding (IB) test. But the fracture test strongly depend on the notched incision morphology.
© The Authors, published by EDP Sciences, 2019
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