Dendrite fragmentation induced by massive-like δ–γ transformation in Fe–C alloys

Hideyuki Yasuda; Kohei Morishita; Noriaki Nakatsuka; Tomohiro Nishimura; Masato Yoshiya; Akira Sugiyama; Kentaro Uesugi; Akihisa Takeuchi

doi:10.1038/s41467-019-11079-y

Nature Communications (Jul 2019)

Dendrite fragmentation induced by massive-like δ–γ transformation in Fe–C alloys

Hideyuki Yasuda,
Kohei Morishita,
Noriaki Nakatsuka,
Tomohiro Nishimura,
Masato Yoshiya,
Akira Sugiyama,
Kentaro Uesugi,
Akihisa Takeuchi

Affiliations

Hideyuki Yasuda: Department of Materials Science and Engineering, Kyoto University
Kohei Morishita: Department of Materials Science and Engineering, Kyoto University
Noriaki Nakatsuka: Department of Adaptive Machine Systems, Osaka University
Tomohiro Nishimura: Department of Materials Science and Engineering, Kyoto University
Masato Yoshiya: Department of Adaptive Machine Systems, Osaka University
Akira Sugiyama: Department of Mechanical Engineering for Transportation, Osaka Sangyo University
Kentaro Uesugi: Japan Synchrotron Radiation Research Institute (JASRI/SPring-8)
Akihisa Takeuchi: Japan Synchrotron Radiation Research Institute (JASRI/SPring-8)

DOI: https://doi.org/10.1038/s41467-019-11079-y
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 8

Abstract

Read online

Transitioning from columnar to equiaxed grains is paramount for desired microstructures during steel casting. Here, the authors report a new fragmentation mechanism based on a phase transition at grain boundaries that can contribute to equiaxed grains.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

About the journal