Study on withdrawal load resistance of screw in wood-based materials: experimental and numerical

被引:19
|
作者
Hu, Wengang [1 ,2 ]
Liu, Yan [1 ]
Konucku, Arif Caglar [3 ]
机构
[1] Nanjing Forestry Univ, Coll Furnishings & Ind Design, Dept Furniture Design, Nanjing 210037, Peoples R China
[2] Nanjing Forestry Univ, Coinnovat Ctr Efficient Proc & Utilizat Forest Re, Nanjing 210037, Peoples R China
[3] Izmir Katip Celebi Univ, Fac Forestry, Dept Forest Ind Engn, Izmir, Turkey
关键词
Withdrawal load resistance; screw; FE-model; MDF; particleboard; DRIVING TORQUES; STRENGTH; PARTICLEBOARD;
D O I
10.1080/17480272.2022.2084699
中图分类号
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号
0805 ; 080502 ; 0822 ;
摘要
The effects of screw diameter, pilot hole, and material type on withdrawal load resistance (WLR) of screw driven in medium density fibreboard (MDF) and particleboard (PB) were investigated through using experimental and numerical methods. Meanwhile, the results of experimental tests and numerical analysis were compared with the empirical equations. The results showed that (1) the material type and the diameter of screw had significant effects on the WLR, but the pilot hole was not; (2) the equations proposed in Eurocode 5 had better performance in predicting WLRs of screw in both MDF and PB than the other equations; (3) density distributions of wood-based materials affected the mechanical behaviours of WLR of screw; (4) finite element model (FE-model) established could be used to simulate the WLR of screw in wood-based samples; (5) the complex FE-model considering threads of screw can reflect the stress distributions on threads in detail, which contributes to optimal design of threads geometry of screws. And the simplified FE-model without considering threads of screw had advantages in predicting the WLR with higher accuracy.
引用
收藏
页码:334 / 343
页数:10
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