About: Optimization of Low-temperature Thermo-mechanical Treatment on 54SiCr Steel for Spheroidization of Carbides     Goto   Sponge   NotDistinct   Permalink

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  • In accordance with the current trends of economic savings efforts are also being made in the field of heat treatments to find new procedures leading to a reduction of manufacturing costs [1-3]. One option is the ASR process (Accelerated Spheroidization and Refinement) [4]. This is a progressive method of thermo- mechanical treatment with incremental deformation at a temperature around Ac1. Application of ASR leads to a spheroidization structure with distributed carbides in significantly shorter times than with conventional heat treatments. The experiment deals with the optimization of the ASR process on 54SiCr steel with ferrite- pearlite initial microstructure including pearlite of lamellar morphology. The influence of strain and cold deformation on breaking the lamellar pearlite structure at a temperature of 700°C was determined. Then the influence of the length of the hold after deformation at temperatures of 680 and 700°C was described. It was found that increasing holding time from 100 - 1000s at the deformation temperature has a positive influence on the recrystallization and distribution of spheroidized carbides. The recrystallized structures with ferrite and uniformly distributed spheroidized carbides were obtained after gradual adjustment. Hardness of this structure was only about 260 HV10 in comparison with the initial lamellar structure with 283 HV10.
  • In accordance with the current trends of economic savings efforts are also being made in the field of heat treatments to find new procedures leading to a reduction of manufacturing costs [1-3]. One option is the ASR process (Accelerated Spheroidization and Refinement) [4]. This is a progressive method of thermo- mechanical treatment with incremental deformation at a temperature around Ac1. Application of ASR leads to a spheroidization structure with distributed carbides in significantly shorter times than with conventional heat treatments. The experiment deals with the optimization of the ASR process on 54SiCr steel with ferrite- pearlite initial microstructure including pearlite of lamellar morphology. The influence of strain and cold deformation on breaking the lamellar pearlite structure at a temperature of 700°C was determined. Then the influence of the length of the hold after deformation at temperatures of 680 and 700°C was described. It was found that increasing holding time from 100 - 1000s at the deformation temperature has a positive influence on the recrystallization and distribution of spheroidized carbides. The recrystallized structures with ferrite and uniformly distributed spheroidized carbides were obtained after gradual adjustment. Hardness of this structure was only about 260 HV10 in comparison with the initial lamellar structure with 283 HV10. (en)
Title
  • Optimization of Low-temperature Thermo-mechanical Treatment on 54SiCr Steel for Spheroidization of Carbides
  • Optimization of Low-temperature Thermo-mechanical Treatment on 54SiCr Steel for Spheroidization of Carbides (en)
skos:prefLabel
  • Optimization of Low-temperature Thermo-mechanical Treatment on 54SiCr Steel for Spheroidization of Carbides
  • Optimization of Low-temperature Thermo-mechanical Treatment on 54SiCr Steel for Spheroidization of Carbides (en)
skos:notation
  • RIV/49777513:23210/13:43920394!RIV15-MSM-23210___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(ED2.1.00/03.0093)
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
  • 94476
http://linked.open...ai/riv/idVysledku
  • RIV/49777513:23210/13:43920394
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • ASR; 54SiCr; thermo-mechanical treatment; carbide spheroidization (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [DBF7E36900D2]
http://linked.open...v/mistoKonaniAkce
  • Brno
http://linked.open...i/riv/mistoVydani
  • Ostrava
http://linked.open...i/riv/nazevZdroje
  • METAL 2013
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
  • Kučerová, Ludmila
  • Pileček, Vít
http://linked.open...vavai/riv/typAkce
http://linked.open...ain/vavai/riv/wos
  • 000333163100063
http://linked.open.../riv/zahajeniAkce
number of pages
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  • Tanger s.r.o.
https://schema.org/isbn
  • 978-80-87294-41-3
http://localhost/t...ganizacniJednotka
  • 23210
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