Effects of pressures on the mechanical properties of corn straw bio-board
2015
Wu, Tingting | Wang, Xiulun | Kito, Koji
An environment friendly biodegradable board called Bio-board using corn straws was introduced. Five main board making processes were proposed. To investigate the effect of pressure on the strength of Bio-board, five pressures were applied in forming process. Board making results showed that under all experimental conditions, it is successful in making board using corn straw. Density of five bio-boards is in the range of 0.87 g/cm3–1.02 g/cm3. The moisture contents of Bio-board showed a range of 3%–6% in wet base. Strength test resulted that remarkable variety of rupture stress under different pressures could not been observed. Under the condition of 8 MPa, bio-board has bending strength as high as 29.37 MPa. Meanwhile Bio-board has tensile strength as high as 10.89 MPa resulted in the pressure of 10 MPa.
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