• High pressure torsion for new hydrogen storage materials NCBI NIH

    Feb 19, 2018 . High pressure torsion (HPT) is widely used as a severe plastic . (SPD) method (see detailed definition of SPD [5]) by different groups to study the . by HPT processing [39] and nanograins by high energy ball milling [48].

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  • High pressure torsion for new hydrogen storage materials NCBI NIH

    Feb 19, 2018 . High pressure torsion (HPT) is widely used as a severe plastic . (SPD) method (see detailed definition of SPD [5]) by different groups to study the . by HPT processing [39] and nanograins by high energy ball milling [48].

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  • Effect of Strain Path in High Pressure Torsion Process . CiteSeerX

    The effect of strain path in high pressure torsion (HPT) process on hardening was investigated in commercial purity titanium (Ti 0.03Fe . nanometer grained (NG) structure which is obtained by ball milling (BM)1518) and shot peening (SP).11,19) Thus, to form . comparison of the deformation conditions in HPT, BM and.

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  • Cold compaction of metalceramic Prof. Jordi Sort Research .

    Sep 28, 2006 . Metalceramic powder mixtures consisting of Co (ferromagnetic) and NiO . high pressure torsion (HPT) both with and without a prior ball milling (BM) process. .. Interestingly, in both cases, no pronounced differences.

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  • Are processing conditions similar in ball milling and high pressure .

    Are processing conditions similar in ball milling and high pressure torsion? . Of course, the comparison concerns the steady states of the transformation.

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  • High pressure torsion for new hydrogen storage materials Taylor .

    High pressure torsion (HPT) is widely used as a severe plastic deformation technique to create .. cessing [39] and nanograins by high energy ball milling.

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  • 'Induced Supersaturation in Immiscible Material Systems during .

    Dec 19, 2016 . tion induced mixing were made in ball milling experiments more than 20 . example, high pressure torsion (HPT) deformation, and accumulative roll . ations, it is proposed that large differences in strength of the individual.

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  • Effects of ball milling and high pressure torsion for improving .

    The mixed powders were first subjected to ball milling (BM) and thereafter consolidated by high pressure torsion (HPT) at room temperature under a pressure of.

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  • Metals . Free Full Text . Effect of Ball Milling Parameters on the .

    Apr 19, 2018 . It is well known that high energy ball milling is a mechanical milling .. is also a polycrystalline powder; the difference is that it has nanocrystalline grain. ... rise on microstructural evolution during high pressure torsion. Mater.

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  • Effects of ball milling and high pressure torsion for improving .

    The mixed powders were first subjected to ball milling (BM) and thereafter consolidated by high pressure torsion (HPT) at room temperature under a pressure of.

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  • Deformation behavior of Cu composites processed by . IOPscience

    Prepared by High Pressure Torsion of Cu . Cu and Y2O3 powders in a planetary ball mill in an argon methanol .. The differences between Fe and W or Y2O3.

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  • High pressure torsion for new hydrogen storage materials Taylor .

    High pressure torsion (HPT) is widely used as a severe plastic deformation technique to create .. cessing [39] and nanograins by high energy ball milling.

    Live Chat
  • A Review on High Pressure Torsion (HPT) from 1935 to 1988 .

    Aug 23, 2018 . Bridgman pioneered application of high torsional shearing stress combined .. a pressure of 2 and 6 GPa and, for comparison, under atmospheric pressure. . the ball milling [3][4][5][6][7][8][9][10][11] and high pressure torsion.

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  • Master Thesis Experimental study of the relation between hardness .

    Mar 3, 2017 . 4.1 Grain size of nanocrystalline powder after ball milling . . 4.2 Grain size of high pressure torsion (HPT) samples . .. The main work of this thesis is the characterization and comparison of iron boron and iron carbon HPT.

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  • Comparison of Two Powder Processing Techniques on the .

    Oct 31, 2013 . The comparison between HPT and BM was carried out and compared to .. HPT: high pressure torsion, BM+SPS: ball milling followed by spark.

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  • Nanocrystalline Metal Hydrides Obtained by . Semantic Scholar

    Jan 10, 2012 . Compare to other SPD techniques, High Pressure Torsion (HPT) is a relatively . ball milling followed by High Pressure Torsion (HPT) [9].

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  • Severe plastic deformation Wikipedia

    Severe plastic deformation (SPD) is a generic term describing a group of metalworking . High pressure torsion (HPT) can be traced back to the experiments that won Percy . Mechanical alloying/milling (MA/MM) performed in a high energy ball mill .. "Comparison between shot peening and surface nanocrystallization and.

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  • Using high pressure torsion to process an aluminummagnesium .

    Nov 2, 2015 . Zhilyaev, A.P. and Langdon, T.G.: Using high pressure torsion for metal ... of Al Al3Mg2 nanocompoasites prepared by mechanical milling and.

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  • Mechanochemical Effect of Severe Plastic Deformations: Metal .

    Similar to high energy ball milling, these techniques were initially developed for the . In the case of High Pressure Torsion (HPT) processing, a powder or thin film .. effect of SPD is similar to that of mechanical milling with the major difference.

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  • Are processing conditions similar in ball milling and high pressure .

    Are processing conditions similar in ball milling and high pressure torsion? . Of course, the comparison concerns the steady states of the transformation.

    Live Chat
  • Master Thesis Experimental study of the relation between hardness .

    Mar 3, 2017 . 4.1 Grain size of nanocrystalline powder after ball milling . . 4.2 Grain size of high pressure torsion (HPT) samples . .. The main work of this thesis is the characterization and comparison of iron boron and iron carbon HPT.

    Live Chat
  • Effect of Strain Path in High Pressure Torsion Process on . J Stage

    The effect of strain path in high pressure torsion (HPT) process on hardening was investigated in commercial purity titanium (Ti 0.03Fe . nanometer grained (NG) structure which is obtained by ball milling (BM)1518) and shot peening (SP).11,19) Thus, to form . comparison of the deformation conditions in HPT, BM and.

    Live Chat
  • Cold compaction of metalceramic Prof. Jordi Sort Research .

    Sep 28, 2006 . Metalceramic powder mixtures consisting of Co (ferromagnetic) and NiO . high pressure torsion (HPT) both with and without a prior ball milling (BM) process. .. Interestingly, in both cases, no pronounced differences.

    get price>>
  • Mechanical alloying of Cu and Fe induced by severe plastic . arXiv

    been reported in powder mixtures processed by ball milling. In that case . were deformed by High Pressure and Torsion (HPT). In this paper .. (b) Comparison.

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  • Comparison of Two Powder Processing Techniques on the .

    Oct 31, 2013 . The comparison between HPT and BM was carried out and compared to .. HPT: high pressure torsion, BM+SPS: ball milling followed by spark.

    Live Chat
  • Mechanochemical Effect of Severe Plastic Deformations: Metal .

    Similar to high energy ball milling, these techniques were initially developed for the . In the case of High Pressure Torsion (HPT) processing, a powder or thin film .. effect of SPD is similar to that of mechanical milling with the major difference.

    Live Chat
  • Powder Route Synthesis and Mechanical Testing of . [email protected]

    pressure torsion to prepare a W specimen whose grain size was refined to . mesh) in a SPEX 8000 high energy ball mill. For comparison purposes, initially.

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  • A Review on High Pressure Torsion (HPT) from 1935 to 1988 .

    Aug 23, 2018 . Bridgman pioneered application of high torsional shearing stress combined .. a pressure of 2 and 6 GPa and, for comparison, under atmospheric pressure. . the ball milling [3][4][5][6][7][8][9][10][11] and high pressure torsion.

    Live Chat
  • Composed Phases and Microhardness of Aluminium Rich .

    ing (MA) and high pressure torsion (HPT), in some cases, leads to the formation . phase of RQ alloys.5). The effect of ball milling on the phases existing the RQ.

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  • Severe plastic deformation Wikipedia

    Severe plastic deformation (SPD) is a generic term describing a group of metalworking . High pressure torsion (HPT) can be traced back to the experiments that won Percy . Mechanical alloying/milling (MA/MM) performed in a high energy ball mill .. "Comparison between shot peening and surface nanocrystallization and.

    Live Chat
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