Vickers and Knoop Micro-hardness Behavior of Coarse-and Ultrafine-grained Titanium

被引：23
|
作者：
Sanosh, K. P. [1 ]
Balakrishnan, A. [2 ]
Francis, L. [3 ]
Kim, T. N. [1 ]
机构：
[1] Paichai Univ, Coll Engn, Dept Informat & Elect Mat Engn, Taejon 302735, South Korea
[2] CNRS, UJF, Grenoble INP GPM2, Lab SIMAP, F-38402 St Martin Dheres, France
[3] Univ Genoa, Dept Chem & Ind Chem, I-16146 Genoa, Italy
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2010年 / 26卷 / 10期
关键词：
Vickers; Knoop; Hardness; Ultrafine-grained; Titanium; SEVERE PLASTIC-DEFORMATION; ALLOYS; TI; CERAMICS;
D O I：
10.1016/S1005-0302(10)60145-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present study focuses on the relationship of hardness with grain size for commercially pure titanium (Cp-Ti) and ultra fine grained titanium (UFG-Ti) produced by equal channel angular process (ECAP) of Cp-Ti) Vickers and Knoop indentations of UFG-Ti at different loads was similar to 2 5 times harder than those of Cp-Ti X-ray diffraction (XRD) analysis showed peak broadening in UFG-Ti due to reduced grain size and micro-lattice strains Scanning electron microscopy (SEM) revealed that ECAP had reduced the grain size of Cp-Ti by similar to 10 times Weibull statistics showed UFG-Ti with lower dispersion in hardness values compare to Cp-Ti indicating a more uniform microstructure
引用
收藏
页码：904 / 907
页数：4
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