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  • Cast commercial magnesium alloy AZ31 was processed by high pressure torsion (HPT) at room temperature for 1, 3, 5 and 15 rotations (strain ranged from 1 to 7). Microstructure evolution with strain imposed by HPT was observed by light and electron microscopy. HPT was shown to be a very effective method of grain refinement. The initial coarse grain structure was refined by a factor of almost 200 already after one HPT turn (ε ALMOST EQUAL TO 4). Mechanical properties were investigated by detailed 2-D microhardness measurements. HPT straining was found to introduce a radial inhomogeneity in the material which is manifested by a pronounced drop in the center and the maximum near the specimen periphery. With increasing strain due to HPT this inhomogeneity is continuously smeared out tending to saturate with increasing strain. Integrated 3-D meshes across the total surface of disks revealed the undulating character of microhardness variations. The strain imposed by HPT was shown to saturate with increasing number of HPT turns.
  • Cast commercial magnesium alloy AZ31 was processed by high pressure torsion (HPT) at room temperature for 1, 3, 5 and 15 rotations (strain ranged from 1 to 7). Microstructure evolution with strain imposed by HPT was observed by light and electron microscopy. HPT was shown to be a very effective method of grain refinement. The initial coarse grain structure was refined by a factor of almost 200 already after one HPT turn (ε ALMOST EQUAL TO 4). Mechanical properties were investigated by detailed 2-D microhardness measurements. HPT straining was found to introduce a radial inhomogeneity in the material which is manifested by a pronounced drop in the center and the maximum near the specimen periphery. With increasing strain due to HPT this inhomogeneity is continuously smeared out tending to saturate with increasing strain. Integrated 3-D meshes across the total surface of disks revealed the undulating character of microhardness variations. The strain imposed by HPT was shown to saturate with increasing number of HPT turns. (en)
Title
  • INVESTIGATION OF MICROHARDNESS AND MICROSTRUCTURE OF AZ31 ALLOY AFTER HIGH PRESSURE TORSION
  • INVESTIGATION OF MICROHARDNESS AND MICROSTRUCTURE OF AZ31 ALLOY AFTER HIGH PRESSURE TORSION (en)
skos:prefLabel
  • INVESTIGATION OF MICROHARDNESS AND MICROSTRUCTURE OF AZ31 ALLOY AFTER HIGH PRESSURE TORSION
  • INVESTIGATION OF MICROHARDNESS AND MICROSTRUCTURE OF AZ31 ALLOY AFTER HIGH PRESSURE TORSION (en)
skos:notation
  • RIV/00216208:11320/11:10108741!RIV12-GA0-11320___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/09/0482), S, Z(MSM0021620834)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 205710
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/11:10108741
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • HIGH PRESSURE TORSION; AZ31 ALLOY; MICROSTRUCTURE; MICROHARDNESS (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [53F0C6EA70D5]
http://linked.open...v/mistoKonaniAkce
  • San Diego
http://linked.open...i/riv/mistoVydani
  • Neuveden
http://linked.open...i/riv/nazevZdroje
  • Magnesium Technology 2011
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Janeček, Miloš
  • Stráský, Josef
  • Kim, Hyuong Seop
  • Vrátná, Jitka
  • Yoon, Eun-Yoo
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
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  • Wiley
https://schema.org/isbn
  • 978-1-118-02936-7
http://localhost/t...ganizacniJednotka
  • 11320
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