Superalloy/Al2O3 type composite compacts obtained by spark plasma sintering from mechanically alloyed powders

IF 1.4 4区 材料科学 Q3 MATERIALS SCIENCE, CERAMICS Science of Sintering Pub Date : 2022-01-01 DOI:10.2298/sos2203335p
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Abstract

Fe-base Superalloy/Al2O3 type composite compacts were successfully obtained by spark plasma sintering from mechanically alloyed powders. The superalloy powders without Al2O3 and superalloy/Al2O3 type composites powders with 5 and 10 %vol. Al2O3 were synthesized from elemental powders in a high energy planetary mill. The influence of the milling process on particle size evolution has been determined using a Laser Particle Size Analyzer with an analysis field of 0.1-1000 ?m. The composite compacts were obtained by spark plasma sintering. Both, composite powders, and compacts were investigated by X-ray diffraction (XRD), high temperature X-ray diffraction (HT-XRD), scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX).
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高温合金/Al2O3型复合材料是由机械合金化粉末火花等离子烧结而成的
采用火花等离子烧结技术,成功制备了铁基高温合金/Al2O3复合材料。不含Al2O3的高温合金粉末和5%和10%体积的高温合金/Al2O3复合粉末。以单质粉末为原料,在高能行星磨机上合成了Al2O3。采用激光粒度分析仪,分析范围为0.1 ~ 1000m,测定了铣削过程对粒度演变的影响。采用火花等离子烧结法制备了复合材料。采用x射线衍射(XRD)、高温x射线衍射(HT-XRD)、扫描电镜(SEM)和能量色散x射线能谱(EDX)对复合粉末和压坯进行了研究。
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来源期刊
Science of Sintering
Science of Sintering 工程技术-材料科学:硅酸盐
CiteScore
2.50
自引率
46.70%
发文量
20
审稿时长
3.3 months
期刊介绍: Science of Sintering is a unique journal in the field of science and technology of sintering. Science of Sintering publishes papers on all aspects of theoretical and experimental studies, which can contribute to the better understanding of the behavior of powders and similar materials during consolidation processes. Emphasis is laid on those aspects of the science of materials that are concerned with the thermodynamics, kinetics and mechanism of sintering and related processes. In accordance with the significance of disperse materials for the sintering technology, papers dealing with the question of ultradisperse powders, tribochemical activation and catalysis are also published. Science of Sintering journal is published four times a year. Types of contribution: Original research papers, Review articles, Letters to Editor, Book reviews.
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