نتایج جستجو برای: short fibre composites

تعداد نتایج: 505128  

2012
Giuseppe Cristaldi

In the latest years industry is attempting to decrease the dependence on petroleum based fuels and products due to the increased environmental consciousness. This is leading to the need to investigate environmentally friendly, sustainable materials to replace existing ones. The tremendous increase of production and use of plastics in every sector of our life lead to huge plastic wastes. Disposa...

Journal: :Journal of Polymer Research 2021

The benefit of using alkali-treated hemp fibre as the reinforcement for rotationally moulded polyethylene composites was evaluated in this research. Untreated and were characterised different techniques such scanning electron microscopy (SEM), thermal analysis, Fourier transform infrared spectroscopy (FT-IR). These showed that alkali treatment removed non-cellulosic components from fibres, whic...

Journal: :علوم و تکنولوژی پلیمر 0
حامد غفارزاده زارع احمد غضنفری مقدم حسن هاشمی پور رفسنجانی

during the past two decades the use of lignocellouse fibers in reinforcing composites has attracted much research activities. in the present work, date palm fiber was used for production of composites compatible withliving environment. the fibers were pre-treated chemically to remove impurities. in order to verify and compare the effectiveness of the pretreatment methods, lignin, ash, moisture ...

2009
Zhijian Li Xungai Wang Lijing Wang

This research is concerned with the mechanical and physical properties of hemp fibre reinforced concrete (HFRC). An experimental program was developed based on the statistical method of fractional factors design. The variables for the experimental study were: 1) mixing method; 2) fibre content by weight; 3) aggregate size; and 4) fibre length. Their effects on the compressive and flexural perfo...

2008
Vladimir Kompis Qing-Hua Qin

Fibres are the most effective reinforcing material. Simulation of the interaction of matrix with fibres and fibre with other fibres is a most important problem for understanding the behaviour of fibre-reinforced composites (FRC). Large gradients in all displacement, stress and strain fields and their correct simulation for near and far field action are essential for effective computational mode...

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