Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/11673
Title: Precipitation, recovery, phase transition and recrystallization processes of massively transformed TiAI scrutinized by ex- and in-situ high-energy X-ray diffraction
Authors: Liss, KD
Bystrzanowski, S
Bartels, A
Buslaps, T
Clemens, H
Gerling, R
Schimansky, FP
Stark, A
Keywords: Alloys
Bremsstrahlung
Chemical reactions
Coherent scattering
Diffraction
Diffraction methods
Electromagnetic radiation
Elements
Energy range
Expansion
Mechanical properties
Metals
Physical properties
Radiations
Refractory metals
Scattering
Separation processes
Transition elements
Issue Date: 31-Jan-2005
Publisher: Australian Institute of Physics
Citation: Liss, K.-D., Bystrzanowski, S., Bartels, A., Buslaps, T., Clemens, H., Gerling, R. Schimansky, F.-P. & Stark, A(2005). Precipitation, recovery, phase transition and recrystallization processes of massively transformed TiAI scrutinized by ex- and in-situ high-energy X-ray diffraction. Paper presented to the 29th Condensed Matter and Materials Meeting, "Australian Institute of Physics Sixteenth Biennial Congress", Canberra, 2005, 31 January - 4 February 2005. Retrieved from: https://web.archive.org/web/20050615003041/http://aipcongress2005.anu.edu.au/pdf/AIPC_Handbook_V2.pdf
Abstract: High-energy synchrotron radiation above 100 keV is a novel and sophisticated probe to access the volume properties of materials. A Debye-Scherrer method is shortly presented for the measurements of textures, strain and composition. Low density, high specific yield strength, good oxidation resistance and good creep properties at elevated temperatures make intermetallic γ-TiAl-based alloys top candidates as structural materials for advanced jet and automotive engines as well as for future hypersonic vehicles. The mechanical properties depend strongly on composition, thermo mechanical processing and subsequent heat treatments. The present study examines the recrystallization processes of a massively transformed specimen of Ti45AI46Nb9 upon a heat ramp from room temperature to 1400 deg C. The registered Debye-Scherrer rings are rich of features relating to thermal expansion, phase changes, domain and phase coherences, chemical separation and much more which will be regarded in detail.
URI: https://web.archive.org/web/20050615003041/http://aipcongress2005.anu.edu.au/pdf/AIPC_Handbook_V2.pdf
https://apo.ansto.gov.au/dspace/handle/10238/11673
ISBN: 0-9598064-8-2
ISSN: CMMSP PTU 114
Appears in Collections:Conference Publications

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