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DOI:
有色金属工程:2020,(9):-
本文二维码信息
Fe-Al-Si金属间化合物多孔材料的制备及抗氧化性能研究
文雄, 黄本生, 余鸿雁, 张顺顺, 肖晓华
(西南石油大学)
Preparation and Antioxidation Properties of Fe-Al-Si Intermetallic Compound Porous Materials
Wen Xiong, Huang Ben Sheng, Yu Hong Yan, Zhang Shun Shun, Xiao Xiao Hua
(Southwest Petroleum University)
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投稿时间:2019-11-23    修订日期:2019-11-28
中文摘要: 采用Fe、Al元素粉末通过反应合成多孔FeAl金属间化合物,但在特定的加热速率下为了防止Fe与Al间的自蔓延反应带来的不利影响,采用添加不同比列的Si来实现其控制,并研究了添加Si前后的孔隙率、不同烧结温度下的物相组成以及抗氧化性能。结果发现:FeAl金属间化合物多孔材料最高孔隙率为60.31%,并且添加Si对孔隙率影响不大;另外通过高温烧结可获得成分均匀单一的FeAl;通过热分析发现添加Si对Fe、Al间的自蔓延反应有抑制作用,并且添加Si后的多孔材料抗氧化性能均优于未添加的,在烧结温度为1000℃,添加4%Si时,FeAl多孔材料抗氧化性能最优。
Abstract:Porous FeAl intermetallic compound is synthesized by reaction of Fe and Al element powders, but in order to prevent the adverse effects of Self-propagating high-temperature synthesis between Fe and Al at a specific heating rate, Si is added with different ratios to achieve its control. The porosity before and after the addition of Si, the phase composition at different sintering temperatures and the oxidation resistance were investigated. The results show that the highest porosity of FeAl intermetallic porous material is 60.31%, and the addition of Si has little effect on the porosity. In addition, a uniform single FeAl can be obtained by high temperature sintering. It is found by thermal analysis that the addition of Si inhibited the self-propagation reaction between Fe and Al, and the oxidation resistance of the porous material after Si addition is better than that of the unadded. At the sintering temperature of 1000 ° C, when adding 4% Si, FeAl Porous materials have the best oxidation resistance.
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基金项目:四川省大学生创新创业训练计划(S201910615106);西南石油大学大学生课外开放性实验重点项目(KSZ18G07)
引用文本:
文雄,黄本生,余鸿雁,张顺顺,肖晓华.Fe-Al-Si金属间化合物多孔材料的制备及抗氧化性能研究[J].有色金属工程,2020,(9):.

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