Modelling dilatometry data of isothermal ω-phase formation in a strongly β-stabilised TiV-alloy

Robert Josef Enzinger, Martin Luckabauer, Tetsu Ichitsubo, Roland Würschum

研究成果: Conference contribution

抄録

In the most relevant technical β-titanium alloys, the extensive formation of the metastable ω-phase during common heat treatments has been a long-standing problem due to the deteriorating effect of this phase on the material properties. By means of dilatometry, the formation of the isothermal ω-phase has been investigated during ageing a Ti-21at.-%V-sample at 300 °C. A model has been developed, which allows to quantitatively correlate the maximum length changes appearing upon ageing to changes occurring at the microscopic scale, i.e. variations of the lattice constants, phase fractions and concentrations of vanadium in the phases appearing. The length change predicted by the model is in very good accordance with the data measured paving the way for further kinetic discussion and ultimately for deriving kinetic parameters.

本文言語English
ホスト出版物のタイトルTHERMEC 2021 - International Conference on Processing and Manufacturing of Advanced Materials Processing, Fabrication, Properties, Applications
編集者Mihail Ionescu, Christof Sommitsch, Cecilia Poletti, Ernst Kozeschnik, Tara Chandra
出版社Trans Tech Publications Ltd
ページ1851-1856
ページ数6
ISBN(印刷版)9783035736304
DOI
出版ステータスPublished - 2021
イベントInternational Conference on Processing and Manufacturing of Advanced Materials Processing, Fabrication, Properties, Applications, THERMEC 2021 - Vienna, Austria
継続期間: 2021 5 102021 5 14

出版物シリーズ

名前Materials Science Forum
1016 MSF
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

Conference

ConferenceInternational Conference on Processing and Manufacturing of Advanced Materials Processing, Fabrication, Properties, Applications, THERMEC 2021
CountryAustria
CityVienna
Period21/5/1021/5/14

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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