Topological analysis of martensite morphology in dual-phase steels

N. Sato, M. Ojima, S. Morooka, Y. Tomota, Y. Adachi

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

Martensite morphology such as connectivity or dispersivity in ferrite (F)/martensite (M) dual-phase (DP) steels was investigated from topological viewpoint to reveal the effect of the martensite morphology on the mechanical properties. Topological analysis permits evaluation of the microstructural connectivity and dispersivity by measuring the number of handles, independent bodies and genus, etc. The topological analysis was performed on three-dimensional (3D) reconstructed images of the microstructure with different connectivity, dispersivity, volume fraction and hardness of martensite in DP steels that were prepared by changing the intercritical annealing temperature. The connectivity and the volume fraction of martensite increased while the dispersivity and hardness of it decreased with increasing annealing temperature. The effect of connectivity and dispersivity as well as volume fraction and hardness, in particular, on work hardening behavior was individually evaluated at a given strain.

本文言語English
ホスト出版物のタイトルTHERMEC 2011 Supplement
出版社Trans Tech Publications Ltd
ページ725-729
ページ数5
ISBN(印刷版)9783037853047
DOI
出版ステータスPublished - 2012
外部発表はい
イベント7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011 - Quebec City, QC, Canada
継続期間: 2011 8 12011 8 5

出版物シリーズ

名前Advanced Materials Research
409
ISSN(印刷版)1022-6680

Other

Other7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011
国/地域Canada
CityQuebec City, QC
Period11/8/111/8/5

ASJC Scopus subject areas

  • 工学(全般)

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