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

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

doi:10.4028/www.scientific.net/AMR.409.243

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

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

Materials Processing

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 language	English
Title of host publication	THERMEC 2011 Supplement
Pages	243-248
Number of pages	6
DOIs	https://doi.org/10.4028/www.scientific.net/AMR.409.243
Publication status	Published - Jan 4 2012
Event	7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011 - Quebec City, QC, Canada Duration: Aug 1 2011 → Aug 5 2011

Publication series

Name	Advanced Materials Research
Volume	409
ISSN (Print)	1022-6680

Other

Other	7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011
Country	Canada
City	Quebec City, QC
Period	8/1/11 → 8/5/11

All Science Journal Classification (ASJC) codes

Engineering(all)

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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

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

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