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  • Open Access


    Fabrication of High Toughness Silk Fibroin/Tungsten Disulfide Nanoparticles Hybrid Fiber and Self-Heating Textile by Wet Spinning

    Jianjun Guo1,2, Lingling Jia3, Sandra Senyo Fometu4, Qiang Ma5, Jinjin Wang1, Hang Li1, Lei Jiang5, Guohua Wu1,*

    Journal of Renewable Materials, Vol.10, No.12, pp. 3373-3389, 2022, DOI:10.32604/jrm.2022.021087

    Abstract Traditionally, silkworm silk has been used to make high-quality textiles. Nevertheless, various wastes from silkworm silk textiles that are no longer used are increasing, which is also causing considerable waste and contamination. This issue is causing widespread concern in countries that use more silk. Regenerated silk fibroin (RSF) fibers have been shown to be fragile and tender, which prohibits RSF from being widely used as a structural component. Therefore, enriching the function of silk and enhancing the RSF mechanical properties are important directions to expand the comprehensive utilization of silk products. In the present research, wet spinning was used to… More >

  • Open Access


    Experimental Investigation on the Mechanical Properties of Natural Fiber Reinforced Concrete

    Ismail Shah1,2, Jing Li1,2,*, Shengyuan Yang1, Yubo Zhang1, Aftab Anwar1,2

    Journal of Renewable Materials, Vol.10, No.5, pp. 1307-1320, 2022, DOI:10.32604/jrm.2022.017513

    Abstract Recently, addition of various natural fibers to high strength concrete has aroused great interest in the field of building materials. This is because natural fibers are much cheaper and locally available, as compare to synthetic fibers. Keeping in view, this current research conducted mainly focuses on the static properties of hybridized (sisal/coir), sisal and coir fiber-reinforced concrete. Two types of natural fibers sisal and coir were used in the experiment with different lengths of 10, 20 and 30 mm and various natural fiber concentrations of 0.5%, 1.0%, and 1.5% by mass of cement, to investigate the static properties of sisal… More > Graphic Abstract

    Experimental Investigation on the Mechanical Properties of Natural Fiber Reinforced Concrete

  • Open Access


    Bond Behavior between BFRP Bars and Hybrid Fiber Recycled Aggregate Concrete after High Temperature

    Boheng Zhu1, Huaxin Liu1,*, Genjin Liu2, Abasal Hussain2, Xiaofei Zhang3, Xuezhi Wang1

    Journal of Renewable Materials, Vol.9, No.3, pp. 507-521, 2021, DOI:10.32604/jrm.2021.013580

    Abstract The aim of this study is to improve the bond performance of basalt fiber reinforced polymer (BFRP) bars and recycled aggregate concrete (RAC) after being exposed to high temperatures. The bond behavior (failure modes, bond strength, bond stress-slip curves) between BFRP bars and hybrid fiber recycled aggregate concrete (HFRAC) after being exposed to temperatures ranging from 20°C up to 500°C was studied by using pull-out tests. The effect of high temperatures on mechanical properties of concrete (compressive strength, splitting tensile strength) and tensile strength of BFRP bars was also investigated. The bond strength decreased as the temperature increased and the… More >

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