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  • The severe plastic deformation (SPD) was demonstrated as an effective approach to produce ultrafine grained materials. ECAP has emerged as effective deformation method to refine grain size in bulk metallic materials. Aluminium alloys AlMgSi1 was processed by SPD at room temperature to the effective strain εef = 4. Development of deformation substructure and grain refinement after different effective true strain by TEM of thin foils. Deformed substructure analysis showed progressive effect of different processing condition on deformation structure development. The microstructural changes are mainly characterized by evolution of high density dislocation substructure (subgrains) with relative low misorientations at strain below εef = 2. The higher fraction of high angle boundaries were observed at strain εef = 4. A new grains with random crystal orientation are them more frequently developed. Hardness measurement was used to evaluate the mechanical properties of deformed materials.
  • The severe plastic deformation (SPD) was demonstrated as an effective approach to produce ultrafine grained materials. ECAP has emerged as effective deformation method to refine grain size in bulk metallic materials. Aluminium alloys AlMgSi1 was processed by SPD at room temperature to the effective strain εef = 4. Development of deformation substructure and grain refinement after different effective true strain by TEM of thin foils. Deformed substructure analysis showed progressive effect of different processing condition on deformation structure development. The microstructural changes are mainly characterized by evolution of high density dislocation substructure (subgrains) with relative low misorientations at strain below εef = 2. The higher fraction of high angle boundaries were observed at strain εef = 4. A new grains with random crystal orientation are them more frequently developed. Hardness measurement was used to evaluate the mechanical properties of deformed materials. (en)
Title
  • Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature.
  • Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature. (en)
skos:prefLabel
  • Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature.
  • Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature. (en)
skos:notation
  • RIV/26316919:_____/09:#0000188!RIV10-MSM-26316919
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM2631691901)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...dnocenehoVysledku
  • 316630
http://linked.open...ai/riv/idVysledku
  • RIV/26316919:_____/09:#0000188
http://linked.open...riv/jazykVysledku
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  • Aluminium alloy, severe plastic deformation, ECAP, structure, ultrafine grains, orientation, hardness (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [BFBD9F888F63]
http://linked.open...v/mistoKonaniAkce
  • Hradec nad Moravicí, ČR
http://linked.open...i/riv/mistoVydani
  • Ostrava, ČR
http://linked.open...i/riv/nazevZdroje
  • 18th International Metallurgical and Materials Conference METAL 2009
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Zrník, Jozef
  • Kovařík, Tomáš
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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  • TANGER, spol s.r.o.
https://schema.org/isbn
  • 978-80-87294-04-8
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