MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Morphology and Crystallography of Sub-Blocks in Ultra-Low Carbon Lath Martensite Steel
S. MoritoY. AdachiT. Ohba
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JOURNALS RESTRICTED ACCESS Advance online publication

Article ID: MRA2008409

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Abstract

The morphology and crystallography of sub-blocks in lath martensite were studied in an interstitial free steel. In each block the sub-blocks are classified into dominant and minor sub-blocks in terms of the volume fraction. The orientation relationship between the dominant and minor sub-blocks is [011]α′/10.5 degrees. Minor sub-blocks have a plate-like morphology and are connected to each other with the habit plane close to {111}γ, and their growth directions close to ⟨10\\bar1⟩γ.

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© 2009 The Japan Institute of Metals and Materials
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