Mechanical properties of FeAlSi powders prepared by mechanical alloying from different initial feedstock materials

IF 1.3 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Materiaux & Techniques Pub Date : 2019-11-01 DOI:10.1051/MATTECH/2018063
J. Čech, P. Haušild, M. Karlík, V. Kadlecová, J. Čapek, F. Průša, P. Novák
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引用次数: 3

Abstract

FeAl20Si20 (wt.%) powders prepared by mechanical alloying from different initial feedstock materials (Fe, Al, Si, FeAl27) were investigated in this study. Scanning electron microscopy, X-ray diffraction and nanoindentation techniques were used to analyze microstructure, phase composition and mechanical properties (hardness and Young’s modulus). Finite element model was developed to account for the decrease in measured values of mechanical properties of powder particles with increasing penetration depth caused by surrounding soft resin used for embedding powder particles. Progressive homogenization of the powders’ microstructure and an increase of hardness and Young’s modulus with milling time were observed and the time for complete homogenization was estimated.
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不同原料机械合金化制备的FeAlSi粉末的力学性能
本文研究了由不同的初始原料(Fe、Al、Si、FeAl27)通过机械合金化制备的FeAl20Si20(wt.%)粉末。扫描电子显微镜、X射线衍射和纳米压痕技术用于分析微观结构、相组成和机械性能(硬度和杨氏模量)。建立了有限元模型,以解释由于周围用于嵌入粉末颗粒的软树脂导致的粉末颗粒的机械性能测量值随着穿透深度的增加而降低。观察到粉末微观结构的逐渐均匀化以及硬度和杨氏模量随研磨时间的增加,并估计了完全均匀化的时间。
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来源期刊
Materiaux & Techniques
Materiaux & Techniques MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
1.50
自引率
11.10%
发文量
20
期刊介绍: Matériaux & Techniques informs you, through high-quality and peer-reviewed research papers on research and progress in the domain of materials: physical-chemical characterization, implementation, resistance of materials in their environment (properties of use, modelling)... The journal concerns all materials, metals and alloys, nanotechnology, plastics, elastomers, composite materials, glass or ceramics. This journal for materials scientists, chemists, physicists, ceramicists, engineers, metallurgists and students provides 6 issues per year plus a special issue. Each issue, in addition to scientific articles on specialized topics, also contains selected technical news (conference announcements, new products etc.).
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