Mechanical Alloying-assisted Coating of Fe–Al Powders on Steel Substrate

IF 0.2 Q4 ENGINEERING, MULTIDISCIPLINARY Makara Journal of Technology Pub Date : 2020-12-20 DOI:10.7454/mst.v24i3.3690
A. Noviyanto, S. Harjanto, W. Widayatno, A. Wismogroho, M. I. Amal, N. Rochman
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引用次数: 1

Abstract

The coating layer of Fe–Al powders on the steel substrate was prepared by mechanical alloying at room temperature. Fe, Al, and the steel substrates were milled with high-energy ball milling for 32 h with a ball-to-powder ratio of 8 in an argon atmosphere to prevent oxidation during milling. Although mechanical alloying was performed for 32 h, no new phases were observed after mechanical alloying, as analyzed by X-ray diffraction. However, the crystallite size of the milled powders for 32 h decreased by factor two compared with the initial powders. Scanning electron micrographs showed that the coating layers formed >8 h after mechanical alloying. The intermetallic Fe3Al formed after the substrate was annealed at 500 °C.
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机械合金化辅助铁基铝基粉末涂层
在室温下通过机械合金化在钢基体上制备了Fe–Al粉末涂层。Fe、Al和钢基材在氩气气氛中以球粉比为8的高能球磨方式研磨32小时,以防止研磨过程中的氧化。尽管机械合金化进行了32小时,但通过X射线衍射分析,在机械合金化后没有观察到新相。然而,与初始粉末相比,研磨32小时的粉末的晶粒尺寸减小了2倍。扫描电子显微照片显示,涂层在机械合金化后>8h形成。基底在500°C下退火后形成的金属间Fe3Al。
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来源期刊
Makara Journal of Technology
Makara Journal of Technology ENGINEERING, MULTIDISCIPLINARY-
自引率
0.00%
发文量
13
审稿时长
20 weeks
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