Effect of Ball Size on the Microstructure and Morphology of Mg Powders Processed by High-Energy Ball Milling

被引：21

作者：

Rios, Jesus ^{[1
]}

Restrepo, Alex ^{[1
]}

Zuleta, Alejandro ^{[2
]}

Bolivar, Francisco ^{[1
]}

Castano, Juan ^{[1
]}

Correa, Esteban ^{[3
]}

Echeverria, Felix ^{[1
]}

机构：

[1] Univ Antioquia UdeA, Fac Ingn, Ctr Invest Innovac & Desarrollo Mat CIDEMAT, Calle 70 52-21, Medellin 050010, Colombia

[2] Univ Pontificia Bolivariana, Fac Diseno Ind, Grp Invest Estudios Diseno GED, Circular 1 70-01, Medellin 050031, Colombia

[3] Univ Medellin, Fac Ingn, Grp Invest Mat Con Impacto MAT & MPAC, Carrera 87 30-65, Medellin 050026, Colombia

来源：

METALS | 2021年 / 11卷 / 10期

关键词：

milling parameters; morphological changes; microstructure; recrystallization; magnesium powders; TUNGSTEN POWDER; TI; ALLOY; TEMPERATURE; FABRICATION; MECHANISMS; NANOPOWDER; EVOLUTION; BEHAVIOR;

D O I：

10.3390/met11101621

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Commercial powders of pure magnesium were processed by high-energy ball milling. The microstructural and morphological evolution of the powders was studied using scanning electron microscopy (SEM), energy dispersive spectrometry (EDX) and X-ray diffraction (XRD). From the results obtained, it was determined that the ball size is the most influential milling parameter. This was because balls of 1 mm diameter were used after a previous stage of milling with larger balls (i.e., 10 and 3 mm). The powder particles presented an unusual morphology with respect to those observed in the Mg-milling literature and recrystallization phenomena. Moreover, the result strongly varied depending on the ball-to-powder weight ratio (BPR) used during the milling process.</p>

引用

页数：10

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