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6 publications

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    Influences of Silica Fume to Engineering Properties of High Volume Fly Ash Concrete (HVFC)

    By Nguyen Hoc Thang, Le Van Quang

    Abstract: High volume fly ash concrete (HVFC) is one kind of the most promising concrete materials in the 21st century. HVFC has special properties such as high flowability, mechanical strength meets the requirements of contruction standards, low permeability, high durability, and others. Furthermore, HVFC is able to continuously develop strength during long time because the high activity alumina-silicates in the fly ash particles are dissolved slowly and prolong. Therefore, this study …

    Published in Journal of Polymer & Composites · Vol. 9, Issue 3, 2021 · pp. 33–44 Read article

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    Engineering Properties of Alkali Activated Materials Produced from Thu Duc Water Plant Waste Sludge, Fly Ash, and Alkaline Activator by Semi-dry Pressing Method

    By Nguyen Hoc Thang, Dang Thanh Phong, Pham Minh Tan, Le Van Quang

    Abstract: Alkali activated material is a product manufactured to serve the needs of construction. Theproduction of alkali activated material has many advantages compared to other traditional bakedmaterials. The product is not heated at high temperature, so it saves energy and reduces the amountof waste impacting negatively to ecology system and human life. The raw materials for production ofalkali activated materials are re-used from other industrial solid wastes such as fly ash, …

    Published in Journal of Polymer & Composites · Vol. 9, Issue 1, 2021 · pp. 39–48 Read article

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    Eco-friendly Materials of Polymer Composites Based on Water Hyacinth Fibers/Roving

    By Nguyen Hoc Thang, Nguyen Thuc Boi Huyen

    Abstract: Overgrowth of water hyacinths will cause difficulties for water traffic in the Mekong Delta and affect the growth of other aquatic species. The water hyacinth as a raw material available in nature has been applied in production of the composite materials. The water hyacinth trees were treated in NaOH solution for 2-12 hours with concentration in the range 2.5-15.0%. The morphology of the water hyacinth before and after treatment was …

    Published in Journal of Polymer & Composites · Vol. 8, Issue 3, 2020 · pp. 62–69 Read article

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    Geopolymerization: A Review on Physico-chemical Factors Influence to the Reaction Process

    By Nguyen Hoc Thang

    Abstract: A geopolymer is one of materials belonging to an inorganic polymer group based on alumino-silicate structural networks. The material is a product of reactions among the activated alumino silicate resources and solutions of alkaline activators in various conditions. There have been many investigations conducted to produce geopolymer using different raw materials and methods. The chemical factors have a decisive role in the reaction process and the formation of the geopolymeric …

    Published in Journal of Polymer & Composites · Vol. 8, Issue 3, 2020 · pp. 1–9 Read article

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    Novel Porous Refractory Synthesized from Diatomaceous Earth and Rice Husk Ash

    By Nguyen Hoc Thang

    Abstract: Refractory materials are products used in thermal equipment to protect the fire and prevent heat loss to the outside environment. Thermal equipment such as driers, ceramic kilns, glass or metal furnaces and others always consume high heat in the combustion of the fuel. If the thermal equipments have high heat loss which cause wastes of fuel and increases production costs. Therefore, researchers are always looking for a solution to minimize …

    Published in Journal of Polymer & Composites · Vol. 8, Issue 2, 2020 · pp. 128–137 Read article

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    Development of Refractory Synthesized from Waste Ceramic Fiber and Chamotte

    By Do Quang Minh, Nguyen Vu Uyen Nhi, Nguyen Hoc Thang

    Abstract: Research on refractory materials is always essential in thermal engineering to ensure both heat savings and environmental protection. Raw materials used initially have a great influence on the production process and product properties. In addition, the refractory products are tested under conditions of high temperature and varying intensity, such as tests of thermal shock resistance. In this study, new refractory composites were prepared by mixing waste ceramic fibers with chamotte …

    Published in Journal of Polymer & Composites · Vol. 8, Issue 2, 2020 · pp. 101–109 Read article

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