2001
DOI: 10.1016/s0921-5093(00)01411-8
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Influence of ECAP routes on the microstructure and properties of pure Ti

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Cited by 446 publications
(227 citation statements)
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“…2 shows that the H-P relation is valid down to 9 nm in commercially pure Ti where the yield stress [YS] is taken as 1/3 rd of the measured microhardness. [76] Based on five investigations, [76][77][78][79][80] the average H-P slope is ~13 MPa mm ½ . A combination of HPT at 5.0 GPa for 10 rotations followed by annealing at 523-273 K (250-300°C) gives more than 1200 MPa in pure Ti with a grain size of 120 nm and this is comparable to the reported strengths of Ti alloys.…”
Section: The Hall-petch Relationship For Ufg Materialsmentioning
confidence: 99%
See 1 more Smart Citation
“…2 shows that the H-P relation is valid down to 9 nm in commercially pure Ti where the yield stress [YS] is taken as 1/3 rd of the measured microhardness. [76] Based on five investigations, [76][77][78][79][80] the average H-P slope is ~13 MPa mm ½ . A combination of HPT at 5.0 GPa for 10 rotations followed by annealing at 523-273 K (250-300°C) gives more than 1200 MPa in pure Ti with a grain size of 120 nm and this is comparable to the reported strengths of Ti alloys.…”
Section: The Hall-petch Relationship For Ufg Materialsmentioning
confidence: 99%
“…The H-P relationship for Ti; [81] grades 1 to 4 denote increasing orders of impurities for Fe, N and O and using experimental data. [81][82][83][84][85][86][87][88][89][90][91][92][93][94][95][96][97][98][99][100] Figure 4. The H-P relationship for coarse-grained and HPT processed Al-5% Mg; [103] with increasing numbers of turns, HAGBs develop and the H-P relationship is followed so that data from coarse grain samples fall on the same line as HPT specimens.…”
Section: Figure Captionsmentioning
confidence: 99%
“…The influence of ECAE routes on the microstructure and mechanical properties of CP Ti was investigated [1]. It was found that processing routes are effective in dictating the resulting grain morphology and structural refinement.…”
Section: Introductionmentioning
confidence: 99%
“…For the past decade or so, the interest in the application of severe plastic deformation (SPD) techniques to manufacture nanostructured Ti has been motivated by several factors [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15]. First, the reports on the formation of an ultrafine-grained structure from SPD processing and its influence on the mechanical behavior have led to interesting fundamental questions [1][2][3][4][5][6][7][8][9][10][11][12][13].…”
Section: Introductionmentioning
confidence: 99%
“…Grain refinement in commercially pure Ti by various SPD methods typically leads to ultrafine grain (UFG) structures with an average grain size in the range of 100-600 nm [3][4][5][6][12][13][14][15]. However, it has been reported that the consolidation of the metal powders via SPD methods can be implemented to prepare high-density samples with grain sizes that are smaller than 50 nm [16,17].…”
Section: Introductionmentioning
confidence: 99%