Phase transition and ordering temperatures of TiAl-Mo alloys investigated by in-situ diffraction experiments

Thomas Schmoelzer*, Svea Mayer, F. Haupt, G. A. Zickler, C. Sailer, L. Lottermoser, V. Güther, K. D. Liss, H. Clemens

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations

Abstract

Intermetallic TiAl alloys with a significant volume fraction of the body-centered cubic β-phase at elevated temperatures have proven to exhibit good processing characteristics during hot-working. Being a strong β stabilizer, Mo has gained importance as an alloying element for so-called β/γ-TiAl alloys. Unfortunately, the effect of Mo on the appearing phases and their temperature dependence is not well known. In this work, two sections of the Ti-Al-Mo ternary phase diagram derived from experimental data are shown. These diagrams are compared with the results of in-situ high-temperature diffraction experiments using high-energy synchrotron radiation.

Original languageEnglish
Title of host publicationPRICM7
PublisherTrans Tech Publications Ltd
Pages456-459
Number of pages4
ISBN (Print)0878492550, 9780878492558
DOIs
StatePublished - 2010
Event7th Pacific Rim International Conference on Advanced Materials and Processing, PRICM-7 - Cairns, QLD, Australia
Duration: 2 Aug 20106 Aug 2010

Publication series

NameMaterials Science Forum
Volume654-656
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference7th Pacific Rim International Conference on Advanced Materials and Processing, PRICM-7
CountryAustralia
CityCairns, QLD
Period2/08/106/08/10

Keywords

  • Diffraction
  • Phase diagram
  • Phase transformations
  • Thermodynamic calculations
  • TiAl

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