Experimental and finite element analysis of some WPC profiles in bending

Öz

The bending properties of some commercially manufactured WPC profiles were analyzed using both experimental and numerical methods. First, the MOE of PVC-wood flour composites was determined on small samples using 3-point bending tests according to the ASTM D790 standard. Three WPC profiles were experimentally tested and modelled using the finite element method. Isotropic material properties were used in numerical modelling. The study results demonstrate that numerical models can accurately predict the bending behavior of WPC profiles until failure. The bending stiffness of the WPC profiles was similar however the strength properties were significantly different. The results of the study indicate that WPC profiles can be modelled using isotropic material properties.

Anahtar Kelimeler

• Bending properties
• Finite element analysis
• WPC profiles

PVC esaslı bazı OPK profillerin eğilme davranışının deneysel ve sonlu elemanlar analizi

Öz

Ticari olarak üretilen polivinil klorür (PVC) esaslı bazı odun plastik kompozit (OPK) profillerin eğilme özellikleri deneysel ve sayısal yöntemler kullanılarak analiz edilmiştir. İlk olarak, PVC-odun unu kompozitlerinin elastikiyet modülü ASTM D790 standardına göre 3 nokta eğilme testleri kullanılarak küçük numuneler üzerinde belirlenmiştir. Üç farklı OPK profili deneysel olarak test edilmiş ve sonlu elemanlar yöntemi kullanılarak modellenmiştir. Sayısal modellemede izotropik malzeme özellikleri kullanılmıştır. Çalışmanın sonuçları, sayısal modellerin OPK profillerinin eğilme davranışının gerçekçi bir şekilde tahmin edilmesinde kullanılabileceğini göstermektedir. OPK profillerinin eğilme rijitlikleri benzer, ancak direnç özellikleri önemli ölçüde farklı bulunmuştur. Çalışma sonuçları OPK profillerin izotropik malzeme özellikleri kullanılarak modellenebileceğini göstermiştir.

Anahtar Kelimeler

• Eğilme özellikleri
• OPK profil
• Sonlu elemanlar analizi

Kaynakça

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