The brittle-to-ductile transition behaviour in Fe-Al single crystalline alloys

Keiki Maeno, Masaki Tanaka, Kenji Higashida, Masahiro Fujikura, Kohsaku Ushioda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The morphology of deformation twinning, which influences a brittle fracture at low temperatures, was investigated in Fe-8mass%Al. Tensile tests were performed at 129K and room temperature. The specimen tested at room temperature showed yielding and kept deformed by usual slip while the specimen tested at 129K fractured in a brittle manner in an elastic regime with a number of straight markings due to deformation twinning. Detail analysis of those deformation twins suggests that the collision of deformation twinning is the initiation site of the brittle fracture.

Original languageEnglish
Title of host publicationTHERMEC 2011 Supplement
Pages243-248
Number of pages6
DOIs
Publication statusPublished - Jan 4 2012
Event7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011 - Quebec City, QC, Canada
Duration: Aug 1 2011Aug 5 2011

Publication series

NameAdvanced Materials Research
Volume409
ISSN (Print)1022-6680

Other

Other7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011
CountryCanada
CityQuebec City, QC
Period8/1/118/5/11

Fingerprint

Twinning
Crystalline materials
Brittle fracture
Temperature

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Maeno, K., Tanaka, M., Higashida, K., Fujikura, M., & Ushioda, K. (2012). The brittle-to-ductile transition behaviour in Fe-Al single crystalline alloys. In THERMEC 2011 Supplement (pp. 243-248). (Advanced Materials Research; Vol. 409). https://doi.org/10.4028/www.scientific.net/AMR.409.243

The brittle-to-ductile transition behaviour in Fe-Al single crystalline alloys. / Maeno, Keiki; Tanaka, Masaki; Higashida, Kenji; Fujikura, Masahiro; Ushioda, Kohsaku.

THERMEC 2011 Supplement. 2012. p. 243-248 (Advanced Materials Research; Vol. 409).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Maeno, K, Tanaka, M, Higashida, K, Fujikura, M & Ushioda, K 2012, The brittle-to-ductile transition behaviour in Fe-Al single crystalline alloys. in THERMEC 2011 Supplement. Advanced Materials Research, vol. 409, pp. 243-248, 7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011, Quebec City, QC, Canada, 8/1/11. https://doi.org/10.4028/www.scientific.net/AMR.409.243
Maeno K, Tanaka M, Higashida K, Fujikura M, Ushioda K. The brittle-to-ductile transition behaviour in Fe-Al single crystalline alloys. In THERMEC 2011 Supplement. 2012. p. 243-248. (Advanced Materials Research). https://doi.org/10.4028/www.scientific.net/AMR.409.243
Maeno, Keiki ; Tanaka, Masaki ; Higashida, Kenji ; Fujikura, Masahiro ; Ushioda, Kohsaku. / The brittle-to-ductile transition behaviour in Fe-Al single crystalline alloys. THERMEC 2011 Supplement. 2012. pp. 243-248 (Advanced Materials Research).
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