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首页> 外文会议>Biennial Worldwide Conference on Refractories >LOW EMISSION BINDERS BASED ON PHENOLIC RESINS WITH CARBO-RESIN ADDITIONS FOR IMPROVED MGO-C REFRACTORIES
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LOW EMISSION BINDERS BASED ON PHENOLIC RESINS WITH CARBO-RESIN ADDITIONS FOR IMPROVED MGO-C REFRACTORIES

机译：基于酚醛树脂的低发射粘合剂，用于改进的MgO-C耐火材料

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In the last years several attempts have been made in order to lower the emissions by carbon bonded refractories by keeping or improving the mechanical, thermal and chemical properties. The introduction of carbo-resins opens the horizon for a low emission binder system in the so called cold processing of carbon bonded refractories. In terms of this work a variety of phenolic resin binders has been combined with carbo-resin in order to improve the anisotropic structure for advanced chemical and thermomechanical properties with 14 wt.% residual carbon. Samples produced in laboratory scale and out of industrial bricks have been used in order to measure the cold crushing strength, the hot modulus of rupture and the oxidation behaviour. The microstrucrure has been evaluated due to SEM-micrographs and porosimetry. In a further step corrosion finger tests have been carried out by simulating the oscillation of the mould and relative movement of the steel and the slag against the refractory component. The investigations have been completed by flexibility measurements in a special device by defining the stress/strain behaviour. Due to the new binder combinations the tasks of lowering emissions as well as improving the mechanical and thermal performance have been achieved.
机译：在过去几年中，已经进行了几次尝试，以通过保持或改善机械，热和化学性能来降低碳粘合耐火材料的排放。碳树脂的引入开启了低排放粘合剂系统的地平线，即所谓的碳粘合耐火材料。就此工作而言，各种酚醛树脂粘合剂已与碳树脂组合，以改善具有14重量％的高级化学和热机理的各向异性结构。％残留碳。已经使用实验室规模和从工业砖中产生的样品以测量冷碎强度，热破裂模量和氧化行为。由于SEM显微照片和孔隙率测定，已经评估了MicroStrurecrure。在另一种步骤中，通过模拟模具的振荡和钢的相对运动和熔渣对耐火元件来进行腐蚀手指测试。通过定义应力/应变行为，通过特殊装置中的灵活测量完成了调查。由于新的粘合剂组合降低排放的任务以及改善机械和热性能的任务。

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