Title of article :
Material characterization and finite element analysis of a pressboard under press forming
Author/Authors :
A. Ghaderi، نويسنده , , M. Golzar، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2009
Pages :
8
From page :
4043
To page :
4050
Abstract :
Pressboard is a wood-based material consisting of lignin, hemicellulose and high percentage of cellulose. It is used as primary sheet in the manufacturing process of cellulose ring. The pressboard used in this study is a viscoelastic material with mechanical properties depending on time, temperature and moisture content. Using finite element method and based on nonlinear viscoelastic model, the pressboard material behavior was simulated using WLF equation and the data were obtained from material tests. The simulation results conformed to the related experiments, indicating that the approach can accurately predict spring back, stress relaxation and strain recovery within a press forming process.
Keywords :
FEM , Moisture , Stress relaxation , Spring back , Pressboard , WLF equation
Journal title :
Journal of Materials Processing Technology
Serial Year :
2009
Journal title :
Journal of Materials Processing Technology
Record number :
1183458
Link To Document :
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