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Experimental comparison between upsetting characteristics of porous components prepared by Fe-based sintering technology

机译:Fe基烧结技术制备多孔组分镦粗特性的实验比较

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The investigation has been undertaken to develop and study the upsetting characteristics of iron-based sintered porous components by using elemental powders through powder metallurgical techniques. The paper presents experimental results of forming Fe-based sintered porous samples and upsetting it by two methods. The first method involves upsetting between two flat plates (anvils). The second method is based on the deformation of the material in closed-die. The study compares the graphs of variation of the force vs. displacement. The aim of the article is to compare the experimental characteristics of upsetting process of samples with different porosities. Metallic porous structure was obtained as a result of sintering processes Fe-based powders mixtures with addition of copper catalyst and Fe (III) oxide as a space holder. The sintering was proceeded at the temperature of 1130°C and 50 min. long, in dissociated ammonia protective gas. Some samples were sintered with addition of powdered activated carbon to increase its porosity properties and change chemical composition.
机译:调查已经进行开发并通过粉末冶金技术使用元素粉末研究铁基烧结多孔元件的镦粗特点。本文提出形成Fe系烧结多孔样品和通过两种方法扰乱它的实验结果。第一种方法包括两个平板(砧座)之间扰乱。第二种方法是基于材料的闭合模的变形。该研究比较了力与位移的变化的曲线图。本文的目的是比较打乱孔隙率不同的样品处理的试验特性。得到的金属多孔结构作为烧结的结果处理的铁基粉末混合物在添加铜催化剂和Fe(III)氧化物作为空间保持器的。烧结在1130℃和50分钟的温度进行。长,解离的氨保护气体英寸一些样品并加入粉状活性炭的以增加其孔隙度特性和改变化学成分进行烧结。

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