Characterization of titanium powders processed in n-hexane by high-energy ball milling

被引：13

作者：

Restrepo, A. H. ^{[1
]}

Rios, J. M. ^{[1
]}

Arango, F. ^{[1
]}

Correa, E. ^{[2
]}

Zuleta, A. A. ^{[3
]}

Valencia-Escobar, A. ^{[3
]}

Bolivar, F. J. ^{[1
]}

Castano, J. G. ^{[1
]}

Echeverria, F. E. ^{[1
]}

机构：

[1] Univ Antioquia, Ctr Invest Innovac & Desarrollo Mat CIDEMAT, POB 1226,Calle 62 52-59, Medellin, Colombia

[2] Univ Medellin, Fac Ingn, Grp Invest Mat Con Impacto Mat & MPAC, Camera 87 30-65, Medellin, Colombia

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

来源：

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2020年 / 110卷 / 7-8期

关键词：

Titanium; High-energy ball milling; Allotropic transformation; Microstructural analysis; CENTERED-CUBIC TITANIUM; COMMERCIAL PURE TI; X-RAY-DIFFRACTION; STRUCTURAL-PROPERTIES; MICROSTRUCTURE; ALLOYS; DEFORMATION; METALLURGY; CARBIDE;

D O I：

10.1007/s00170-020-05991-7

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The effect of speed and milling time on the morphology, crystallite size, and phase composition of Ti Cp powders processed in n-hexane by high-energy ball milling (HEBM) using a E-max Retsch equipment was studied by scanning electron microscopy (SEM), X-ray diffraction (XRD), and transmission electron microscopy (TEM). Lattice parameters, mean crystallite size, lattice strain, and dislocation density were obtained from Rietveld analysis. The XRD and TEM results show that the HEBM process of the Ti Cp promotes the transition from HCP to FCC after 6 h of milling at 1400 rpm. The transformation process could be attributed to the energy generated in the milling process which induces high deformation and presence of high-density dislocations in the powder.

引用

页码：1681 / 1690

页数：10

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