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  • The experimental alloys with two nominal compositions Ti22Nb and Ti25Nb (at.%) were prepared by plasma melting. Different conditions of heat treatment were performed and consisted of homogenisation annealing at 1100°C for 12 hours in flowing Ar gas and water quenching and solution annealing at 900°C for 1 hour in flowing Ar gas and water quenching followed by precipitation aging at different temperatures (200, 400 and 600°C) for 1 hour. The microstructure of Ti22Nb and Ti25Nb samples after plasma melting was dendritic with very fine martensite needles. After solid solution annealing of plasma melted alloys, the presence of β phase and martensite in the microstructure was observed. The microhardness values showed obvious relation with heat treatment and aging. The higher Nb content in Ti25Nb alloy decreased microhardness of the samples in plasma melted as well as annealed conditions by reason of increasing amount of β phase.
  • The experimental alloys with two nominal compositions Ti22Nb and Ti25Nb (at.%) were prepared by plasma melting. Different conditions of heat treatment were performed and consisted of homogenisation annealing at 1100°C for 12 hours in flowing Ar gas and water quenching and solution annealing at 900°C for 1 hour in flowing Ar gas and water quenching followed by precipitation aging at different temperatures (200, 400 and 600°C) for 1 hour. The microstructure of Ti22Nb and Ti25Nb samples after plasma melting was dendritic with very fine martensite needles. After solid solution annealing of plasma melted alloys, the presence of β phase and martensite in the microstructure was observed. The microhardness values showed obvious relation with heat treatment and aging. The higher Nb content in Ti25Nb alloy decreased microhardness of the samples in plasma melted as well as annealed conditions by reason of increasing amount of β phase. (en)
Title
  • Properties of TiNb based shape memory alloys prepared by plasma melting
  • Properties of TiNb based shape memory alloys prepared by plasma melting (en)
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  • Properties of TiNb based shape memory alloys prepared by plasma melting
  • Properties of TiNb based shape memory alloys prepared by plasma melting (en)
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  • RIV/61989100:27360/10:86075621!RIV12-MSM-27360___
http://linked.open...avai/riv/aktivita
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  • S, Z(MSM6198910013)
http://linked.open...vai/riv/dodaniDat
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  • 282943
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  • RIV/61989100:27360/10:86075621
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  • microhardness; titanium alloys; Microstructure (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [3FC23A96F6E3]
http://linked.open...v/mistoKonaniAkce
  • Rožnov pod Radhoštěm
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  • Ostrava
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  • METAL 2010
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http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Juřica, Jan
  • Losertová, Monika
  • Štěpán, Petr
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 s.r.o.
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  • 978-80-87294-17-8
http://localhost/t...ganizacniJednotka
  • 27360
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